gentoo auto-resync : 28:08:2023 - 10:02:11

2 files changed, 785 insertions, 0 deletions

diff --git a/dev-lang/rust/Manifest b/dev-lang/rust/Manifest
index 8c7b8304291a..e25243f44b4f 100644
--- a/dev-lang/rust/Manifest
+++ b/dev-lang/rust/Manifest
@@ -246,6 +246,42 @@ DIST rust-1.70.0-x86_64-unknown-linux-gnu.tar.xz 163456784 BLAKE2B 49a8397a7129a
 DIST rust-1.70.0-x86_64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B e5fae8b3c87f54b39d922fe0c7694e0ba115ae34a668cc873390fc9e4638baaff5b6d1b4c67228c6bfc57b4da9bf77d6a452ca12bf6653d5610895b8ba19d64d SHA512 352749df741287107b966fd603113c51e82a426a7151e224e3a8d1cc7bd4658ef86147f6fce62caccd7b5779d9961be72cbb618db79a2850e8a8c4b0bc229ad3
 DIST rust-1.70.0-x86_64-unknown-linux-musl.tar.xz 233692884 BLAKE2B 295e815bbee6dc135ad17dd78801999afa7880a7a8f5ad4932a7580f1b03d50b850bcc3eb68e9d679e0a2d68392d446423ea752e47bb22d64823bf3222e0b377 SHA512 5e42224e109d525a321c107005660059ddcb0414392abc660b80fb09a55c936c79215989646be0aff6b0427b2f5d82a2a19ec3bd3235883a2037575808aeb69b
 DIST rust-1.70.0-x86_64-unknown-linux-musl.tar.xz.asc 801 BLAKE2B 7c5be81109607f191f339cfef87c736e2d35d4a045511036ee6e9bd68f22fbaae825ad5c463b0a5bf29606a8b9cf488172d1338aa4d034767b0f59243613c250 SHA512 241863164ee1a0d702080c9967e2ec5bb7af9222236316c8857b89b517fcbdc362b26ff3e362c4be7fd2989d3fd2aad0a0476feacecd2604855dfa53f5f1af27
+DIST rust-1.71.1-aarch64-unknown-linux-gnu.tar.xz 209839296 BLAKE2B da65e966a6bd8c6a8a13e5ab747da2a8d9b55f90fc20c1bd041ccc1a2f4e2d11d50d2ed9cc7f3a470e7f886ec8b891ef98ea1295491414d5afeae7f83fa3a555 SHA512 a2ea1383a6ea965e4b0c3a7c648bb357fb531a6984418756abcff3c526ccd9221a28aeedd11b65180fd166575e07a00151460dbc15e3b132a0bcac643911d242
+DIST rust-1.71.1-aarch64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 52d1fbdba32db7ac2578615fd10a3db1da84441274bb190624e517aec67279c7330f7c6b7fa0835d8e1cd8f578d34952813228a6a221e41c4193e9a079cc6fb6 SHA512 63cbbdd9a73f0223444565b60f59765a734633ef8e93843639969b96fb67550b85fe58079d486a927174f95619f0d6fdfe3f3b84d871f776bc48986be7965238
+DIST rust-1.71.1-aarch64-unknown-linux-musl.tar.xz 193170880 BLAKE2B 26384119108f4503d35f79fc5401c46e1eee326eca4dc6cc282949d2f195928fda5d3bf56c0509b04fdaa3e7c3c47f4ba44b2b82a60b02f7bc520360b0433efe SHA512 3e79692cd4dba512516eb48970dc9711448c33e1d7a5ebe7c5fadaed7f053ae9c1a8e6efcd1713f87dd84107a37b0fb21b1246e0d5c3e0dab677e5c7ed210825
+DIST rust-1.71.1-aarch64-unknown-linux-musl.tar.xz.asc 801 BLAKE2B 223d21586b07645d5860a3a023f42a191fc2490ad9e5736c3b2335565227780aa1f87174060cd6f87c4c873b965bb32b1556fb60fe70a7dc0f753409adabb024 SHA512 197197752e5ce110a1a96ecab8d1ae3aa82769a199c51b42a14b1f0749045a280f00aea0dd0653211bb941b80fbf43960d1e11766cf2dc35be3a34445e336423
+DIST rust-1.71.1-arm-unknown-linux-gnueabi.tar.xz 173870064 BLAKE2B 3c2e440e22199e081f6121513cf2a86b22ba0da08569d0b95edd1a69d890e191bda150429f4329c9932d45c44d49e8dfe1902513bb379b039dabfeb8bca36a44 SHA512 c59b1ba5d8bc29a2d1bb57f19e584af28ac92d8bbf889b80d443684e09a6249453bea429226078c9ffcc4d04a7a03f3605d82e3d8b412ca83720cabf5595a8e5
+DIST rust-1.71.1-arm-unknown-linux-gnueabi.tar.xz.asc 801 BLAKE2B 38a5fe9e5e67298909d6a36e625b990128649975d47e544847a2d6067ff88fa63cc0c3e1c8e2c8697f0a0f39584b4e60cb8f29390cc6abad721c681a4cf183e2 SHA512 a7230aa7f507e5e4d71d2701fd5c1abe29e3c53109d67a5133fc32ea32018c6ea6dfe512a0e58acfa8d2c39dbaeee2cafe420aef4979e95ce9d62b7520b9b01c
+DIST rust-1.71.1-arm-unknown-linux-gnueabihf.tar.xz 174277632 BLAKE2B c317f946f4fa7b4e5c4e39bf4035108ff1a6085420f932eaa532cb89f15babf4b80a5c231f9980300d4ea18b6dd369bcda33bdceeb7065b03fdde41a01165e76 SHA512 ff4b6ac0e6691820f525a84505a3556a729cb189700209c084e9fe981bd076ad7ec30fb748666b7f51ee901ac039d596670bf782c60018590980ff1e61cd396b
+DIST rust-1.71.1-arm-unknown-linux-gnueabihf.tar.xz.asc 801 BLAKE2B 2fa6e24ac4cd9ec4772655c5e8b135a0118c38ebb41462940669df0c65c0091e60306a5a09cb020dcdaf06aca7b2c8cdff904dd2a5f4ca87acfbc5775adf2b6c SHA512 c9cf9c1f8e19fe0576dd805f21ed8afd1d3536fa8ba00fcd39d6e6638198fca51114a8d99cd62164d8a0aee6bdf37831e678f08241fb8ba63ccdd6e8c7225717
+DIST rust-1.71.1-armv7-unknown-linux-gnueabihf.tar.xz 178239136 BLAKE2B ae0ca46260aa4bb60760812f50e606ecc18fc14b3dfa56135cb6a83249c0cd5e0544d29ef5eb34d3ce45e53552f736c8db2928b3d65d847a9b3d61be7e863ee2 SHA512 56c63d4e9dd99ba3604bec5c0f0d8c2a51a93c0d11beed721d99cca05b20310f4439c049ee5b3ddb6e723381e315ac991d9a7327cea86e852b6cfca4cc7f9a0d
+DIST rust-1.71.1-armv7-unknown-linux-gnueabihf.tar.xz.asc 801 BLAKE2B d5cea850a1930a316574c977542e7026eed67dc244d8857c720d9de168f39b5437912634cd5ebefb63e8d58200e7b11d69b8c6ea0e257642a0df7c1ae8026c80 SHA512 2d06f90f916e4f184d536b695d123628a28f452ad4fb3da53dd3fcf5e013df594e8ee6eb1819268bc5b20ceb1c05d6d3b68a4021e60c73c7da934fc05014d2c1
+DIST rust-1.71.1-i686-unknown-linux-gnu.tar.xz 202188608 BLAKE2B 153f94771d68ab8bc25d1e38afea206cdd182a1ca0b7ea8616b932617c2368acaffda959ce3220506d7b2601b5120ce65ab83fbef167429b1b8a76108f3137b6 SHA512 e835354cee992f751d994943718d8908bc687a540b91b4b296962ceb0047d447e5b12a7cfc6661de8a4ee9c90722f8274c3e6a37f6842e8012f883cff32ac2aa
+DIST rust-1.71.1-i686-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B d2e47ce2eaf7d8c16a12630778cffb25fdbbe23d978ff46d02fb6363f6ce45a6295cb948f7b20c9a966d14f832a38e3c53018188b54fcfaac7b2df85508990a9 SHA512 2e5d191ba550965de6962c595c5dd063f96603522eff467433f3cffb31539e3406c1a62e3fd37a66c4eeaff2c1200a33439c6ca5133dc00930c89c7713ecb0ee
+DIST rust-1.71.1-loongarch64-unknown-linux-gnu.tar.xz 158000652 BLAKE2B 6ca5a251202330755f53eff6151abb724cbfbdf190e19d15df009e33cb17795b74a491e8a6c040ea69fcb603d19b7baf6f1f47afb5a984bcbb6239640748e003 SHA512 be33401e6f02669102e51524ecb2a4bcb75a539084ed0e04f80bd389be8432a7f3952304b21397fc1d6894d86a263da40831625a04b72536dd2af79b0d2e1845
+DIST rust-1.71.1-loongarch64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 5b744b2bd11ff69ac0c66af93a80c0c9f4d6aec465109033a8ffc63d2a1a8bb0e9cde1d3e9aa65e27287105673230acd07511e58112b7c5beb0c452323cea72a SHA512 a5d71f2555bfda22c0366a35032ab902071e3c75e781d1b1c5d090b6b6dac78046b31b789f71f9ed4adf80523903add324c1eb8e8f8a7b744d6a7d8cc6d3be68
+DIST rust-1.71.1-mips-unknown-linux-gnu.tar.xz 152451900 BLAKE2B 86804480dec985aecedec561707ce7dd2dff5e85b25da940051c2d89ae905b630ed7bb0df9e9bf6373917c5f6f513049b8be4b0b673d7c0dd77d8095700e6103 SHA512 0d3069e17c23e6651bc6dc2f7dd4de6b5b54e24ade5aa81a8ddbaa5f4f13c26084c3a04d246181d49fbb15cedede2a5d8f3e4a21080654a257c1b4285dcdef27
+DIST rust-1.71.1-mips-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 217ca15420e4ccce2ea287913eaee07b90a1ec534a805b899032a8ba18f7b6a75feba873b8fa773efef32cbb0b265da08ff026e6d387c824e63000b04e7419b5 SHA512 2e0355d8364a9e6b711012fc8e1f227c76290804d967def666ae30e899f52197da06dc1498191f6b9de6868730eb8883ca0849351981efd82a5b9d12da9681d0
+DIST rust-1.71.1-mips64-unknown-linux-gnuabi64.tar.xz 150685836 BLAKE2B 90496f5f9b3af09d9da3b45913a57ac2b1035838cf4940d3a6d4c2fb6bd1c5dacc86b144e8be851a35bcce19100ed2cc800d840c3182b01ea1954353060d56d4 SHA512 af97988af615c7cfe08db0424169cb133f97914fcc75a76356ae3b0eeac2c8eed436208694d218a75879db163963d87523d23d6ce5ccc91688679950536c13df
+DIST rust-1.71.1-mips64-unknown-linux-gnuabi64.tar.xz.asc 801 BLAKE2B 04665afa887c047d2e888ee4275faab1efda5f7dbeb4222c056af53c756a00ccfa5cd0f5a792df4bff325cb870f50ce6cb09e713afeeec201050eaa14dd6b0da SHA512 560d1e474e177cdc28cf94b10f72785ccc0db748a185b5bee8ab0c9598d3ef7152f79bffa7f11594be06ae07c3d56bc8176bfbd40284a6888d20e77bd036b9e6
+DIST rust-1.71.1-mips64el-unknown-linux-gnuabi64.tar.xz 153800316 BLAKE2B 63787c2fd44406d45de5f153259237df8116aa5419d241c92c5e9509db1fdea6fbfa0b119bca83cbc23a2abdfd50365de7c7e3f37bb0f7d402382657c97ad226 SHA512 a6c8399f2f4e56340d1712c71f03ac87ecb8f3694f0c4f1ce64a1f810de850f5ece7361cd93e8881d83cea2094a82a51f0d54cb795c4d02a5a1d94ed49b8f0cf
+DIST rust-1.71.1-mips64el-unknown-linux-gnuabi64.tar.xz.asc 801 BLAKE2B b69e13a4dd21447d7a39c24f96e9416c7b68bdb4af08c1ee7e312d78d2b064d1d67e397c0f04f9f8c68498ff3934350729021c9a4ee521967bdb63f53ab08c17 SHA512 9bcf27125cdf776719c87adb2947b1b9965dd3dcb231293a225e2424906e759f97ce2972d2f7ecaf69d708266303b8dc776c3e119c070e1c21ef59fb90405050
+DIST rust-1.71.1-mipsel-unknown-linux-gnu.tar.xz 155924032 BLAKE2B a4862cfd02053dc8303de9158929da634980c15d8fe32b7b51b316e6aa83de1f0d075ea4acd250d5bb210cb269bff373613bd45eba003f38439e22831b433dc2 SHA512 96708e1481c4790d5c2938ce7664cf83c2b9295023af017345ab0c9afa37bd43c2db93b9e8097d8d1aa6c913bab0db9324f057ecb25aa65bc16295cc625f2bdd
+DIST rust-1.71.1-mipsel-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 90063d27ffb9071f6c10cc54d17073ea79436dab947b7f8f0a8f2d7c0671edc66f7e45d5954af77f30f8c3a005d2951af56f129d311cf328c9987bd5a5ea9802 SHA512 a2bc87f7c1baaf6f245b1d008162a1e5f52b6f949a3e06f69a7ae22315fc7770403ace7289830cfa60f6e66fabbb23352fabb5f0c24be05d58f4f891a8d6e956
+DIST rust-1.71.1-powerpc-unknown-linux-gnu.tar.xz 172809692 BLAKE2B dd6e3c96d168dc2ad4b3bca38a42a2b3c5c0ec5555f042ffb9a7e1d6430bce3659953c2c6c5454843ab41e648e479c5cef2645f2ce0bafe72892ff1ed014787d SHA512 bc2a8b9fc8494cdbab89364c15212f7f8e9af416639f9dd05cc57f0ffe18288be7ec489d18061387c43a2f8f4ab1273bcd7de58126546b59a42ae80e9a2c45d8
+DIST rust-1.71.1-powerpc-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 620a63d1732cc0cccdc3bf6b141e2467c0ba50668d72be44cf04becfa9e0c30e5a5a4a7f5ae39fd1321130703bc6522c78e9bfdb23e7b3354fd760eb4d118991 SHA512 f6467c3ab3694fb89db06c67e6fb8afde75b4ab86752d9c918c89ca6bcc8914bf45da71076142eeea2dd10910edea42ab0d8144ff7b769b22edcf9bdb447e381
+DIST rust-1.71.1-powerpc64-unknown-linux-gnu.tar.xz 172399116 BLAKE2B ebc82664a4e9f651e9111e862a9cc341615526c6e7af2b181a653eb7d6a0c52156bf1cd35671c6e5aea41fa2653f042a9c865212bef6e8844a88fb9bb7a8891a SHA512 94395abdeb1615f594e4fc86d8bad85a01bbab05893bc8af7890ec509a2006d51c1a8723d3cc8082a214ee851fe4ba06707e01c3f009ed340d791d35e034341a
+DIST rust-1.71.1-powerpc64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 6d3565b8d9ec5b6d719dbe06120469e2a6f1ac42708bd7ef9705e796f0a4c528929a3984a7090a4da6521b09a53b48db119dc388d66f782f01a1ebfa61c8df21 SHA512 847fa662ddf9234a4a6b73e9d515b06fd0af0f098a826463ddb7df406dfdb25ca7b37110e90ff07f0a58cdf2c42755ccac70f057243b44f3b733ddc449cbde2a
+DIST rust-1.71.1-powerpc64le-unknown-linux-gnu.tar.xz 183620460 BLAKE2B f8c562813364a2ddcad26287f227ea93af4d91fb083998835e469a676c9be1c0262e88d0cb7e06cdd1293ba8807334744d4e4000c58d9f34c07fc851b0e31e5b SHA512 f8f627d847e405c9960a01f59eb1e14aa647e42004cbeaabe734c110827921f019cc01bea13f2ea0b5b3c2e4391f60b6ccbe4298182593564169cce0db6c9ae6
+DIST rust-1.71.1-powerpc64le-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 2c09621ed09918bcebc6561f7f12e387be7919568929d0215a6bc5333610c158acca2998ff8c918956d8289da2f3e2ed4850c0ce45a9f1d85a304063eb8d5671 SHA512 5f5361a954d4b0510d48cf5b2f2bd0722f9d99a7b28aab8f3dfea9303489d9b60f6e20ee4fc61b74619d3c0fd298ab9bb903b3509f55c448886e428ba9e28d71
+DIST rust-1.71.1-riscv64gc-unknown-linux-gnu.tar.xz 164813572 BLAKE2B f86f7443da64afd416ea3119933a05a7638ee41576e9d761f491376b781e9362992223186109a6b930ee8a012dac5c37547448dcb903bd5bc480b66f8fef3123 SHA512 525a345dcb09141e4f4f5ef911c8f8dd63180fab956752ce0e9f5e2821c89603a2896e7042e019f61ae8807052e96b52bec492f49508dad2a351ce1a9c6de79b
+DIST rust-1.71.1-riscv64gc-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 6d37bd643caa5780e80a51876228bd12175132af89f1fd35dbd55f8c5544afd21c3e844027083d9cd5ba48bd41c3dc8c1427b400c2141dc3e1d128a6f5672ba2 SHA512 ee22b054810c12dbd48e9ac4006d74f2545c5fa090b80f831673e0850e16122569376380d1edea6c6195bf76441c0751ab52c6a143a643e656af0880c12578c5
+DIST rust-1.71.1-s390x-unknown-linux-gnu.tar.xz 195515792 BLAKE2B e8618c69ccc350c7e63461080a3768bf4d7b26f57e75a98a6e62625cb0deed8cf93dc00e485051d01b9996c6b48d3d1a84f88d5194b618d06e926c5543524071 SHA512 7915806421c07b70acf31bab86086981dcabee08e826668c8225db68c4f895fd16ba3e16b710416d2b96de3c30a9dcd137107a04ced21972d3fe52500e56178e
+DIST rust-1.71.1-s390x-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 4266dea5182a07d4ea1f28e6a362a2233df684836af9b5d2b78e87aea2626575d3af6716868b1cc10d2f38d77910d845c3997da7bf93fe865d8486d63dbc9e1b SHA512 a70d2d4592021294734ca9e069ce1f22e2531323524e4bc6477efae074026e0685e31c1d06328e2b17eb87a27dd7ec6793804c87280a002733b87a676c374729
+DIST rust-1.71.1-x86_64-unknown-linux-gnu.tar.xz 161080376 BLAKE2B 40bf80551c032dd62e19bae5a235575c5d8894ea75f77dd34510499b4f4e779e27da0faa98aaeacb57f73e9632ee90ff0f60f167108529ade67198841215d109 SHA512 15c5ff75b02357beefe717a36e7755d2841778ce4e39020d2b920239e4c8d0adfc17ee65de7bf42493d287bdfca194189f3276adc0374ac3d1a6af63270ef954
+DIST rust-1.71.1-x86_64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B ce029d9af59f26535a3fa121f20672f7eaad5019934457ac7ddc059dafcb2c3a37e5683923d4bba3f3a735805f11092189cf84d0a6352a5f9f475bd3eb00cdf5 SHA512 0376b16b9c845738c3c291ab2a73a3ecb20cbb8bdd0820568a0683c84b211e639413b3046d756e607a0f1b23695c9dcb351711fcc474e6faa8fe3098b1fefefd
+DIST rust-1.71.1-x86_64-unknown-linux-musl.tar.xz 232096648 BLAKE2B 7f4deafa57baa300f037ce3d9dbd101d5d28cf29368c4b2fc8e51799e59382155076aa0a3c0b6fa0c076693fd43dfaf80ad7685cd44233d7c31037c091a90224 SHA512 55b507a30d62a36aece4a2c2cab985e09d9552ae331c1cab51d949777261600e61d4f05ca1e81fe8b37591fb91939b1cdb55e6930d70e5126eea1a78caa74eb4
+DIST rust-1.71.1-x86_64-unknown-linux-musl.tar.xz.asc 801 BLAKE2B d4a9f89274bf4b0004248764c07c7f82f8708f81a826d7509611b75e51d280707a75ff2c9d6b372e79259f7086b3e962afe51c3f0b98dd3fdd4feb683783c9fb SHA512 8be13b63b48740bec80772a826f06a012de58b1294f87374d7b4c844c90f3093ffe86bd3f1d989987696aa095302cc4644e3137fa2c9e1363c9ae8c3e1a05268
 DIST rustc-1.65.0-src.tar.xz 139674928 BLAKE2B a218263fb67e306b153f5a6dae95b5ec653acaa5eb4b833862d6f0fd4685a8cec097dadc1b8a934e1bf6055672c7a617f9a0ad4a7dbf2e78084297f10b7ada04 SHA512 3d0369ed3028209c4ecb9b9e7b5f5e3a20be8cc05199675df4f091d62a96c0734bc1dbd7630928fe162792392ec6d0daf9ceed10771531ce022200c7b631e3be
 DIST rustc-1.65.0-src.tar.xz.asc 801 BLAKE2B 43ff92011cd6f7f34ce0495fa341379e5907d032ea90f91e533e5edaec6ad518aad50a9d8b2694074d6909ee96aa779403b16e95792e962e79c1b967542ae26f SHA512 75b9be53363022c81333117876cbcc573bbd4733edf767cbb164218644efb1a9c4bfc2aa73aaa1e39f248a84f1adacb1930a94a6e63f60093ff760fb9ae02efc
 DIST rustc-1.66.1-src.tar.xz 141692940 BLAKE2B 3fae45345998386fda1b11ec896fac4613b8e3f0092bc0df29c9685f4a4012c0bd1b600911c2d19bcfa8f5a84b8a3c39d4c9e062a62cd61925b59129e1cd72b9 SHA512 1944c024c603140d0a9236043a3bd1d0d211dd8d368d6d82a3a620f1ff43b29624755b0943f2b38b40a188c7eee77a840238ea757eaf435e2a3fa6a0e6b82832
@@ -262,6 +298,8 @@ DIST rustc-1.71.0-src.tar.xz 151962928 BLAKE2B da8d83cd6621947816630ae487efe7d08
 DIST rustc-1.71.0-src.tar.xz.asc 801 BLAKE2B e5ddc4b18a6caeeb63c5aed5b5d15989d086f408787d2e603e50e7b8548dc078683062627280fd2a0393bec01c314eb1cc59f9b0e3146abf07b8365a0b44c640 SHA512 cb1b208c8b2bfccf02c73c4246fb238edb0dd10e292c1ef781920964e54e40add3089d988769982c0ce06b719014685b1c37daa2d08b513d86ad73808f4ce3ac
 DIST rustc-1.71.1-src.tar.xz 151983068 BLAKE2B 3dfdbc246feb84a79ae94c2de978c5585ee06cf6b683d2245869b62e28f7c79f89cc589f5431537713bf088236a0b824acefc1b68e418e9eb72e1eea98054e3f SHA512 fd0e5a16bdbeb539184513583089e55f681cb772810df357b6b1464853f7022ac02edab3dd155b2262ed0047e2a25dea3808dd078dcdfce9d399384465009db4
 DIST rustc-1.71.1-src.tar.xz.asc 801 BLAKE2B a88c073a70552d73e2d7695eceabdaa478f34501b7271fabf7f4a09f3efa545181f34353e45776b05918e6aeba88adb02f9731454f7085a7abf1602fc6589983 SHA512 9dd0406cf22f1daa7fcfd015fc1c6f8d36586aa99bf14c1491ee464c1f892ab759feb83e8b55b64713170fb777fdbe038fb5fd01a59c911b6599223baaba0677
+DIST rustc-1.72.0-src.tar.xz 151630408 BLAKE2B 7b26e5a9335f9262567b2a6aaf3b8ad6dc813688f532c54502c12c7b59d02082a082fe49ae370b0748fb13f8245dad13a58927d8563ba96fdf3639d4a128f236 SHA512 aed27c1babfec7f9b0815bc395302cff4f8e8ed83d8d3bde202f6c86fba4aec14ad2d3e99f4e22618c6727d876262511bfbcd83513731ea4b9c664462c97945b
+DIST rustc-1.72.0-src.tar.xz.asc 801 BLAKE2B 7f0c94f9961edd6ad48372ef768ac69e39b6b7ef0514dc099510d7b53b336d12ac20092e52fbff0c524a6dcfd8c9c69542ae081aaa16ffc3a7ac8fe2ae70e8f8 SHA512 6c8776ddb5050ce29538d9845156cdf370b99d09051fa8c42c68a4d71ff0a6163abc029ac1355af55f1b9b371549e98ebb7e76535d76b77be548fdf917ed6195
 EBUILD rust-1.65.0.ebuild 23827 BLAKE2B f330d742e32b084703753ab2dd57990b544aedb779fc180479530a70ad87678953d06248c5968a856913a20188442c48c0e46af2ffcee43a7b56801683a3f8ac SHA512 f4bc4c680406c749bab96217a755d7a56477223dcd09ff3ffda57583b902d9f85a891ce56afb62068e0da23e9fcc6bb3e0f7f50cc120fa82af0334ff980a8677
 EBUILD rust-1.66.1.ebuild 23722 BLAKE2B 7c99a2d1ed2007b030e2cd8e8d470890d594824d96d81165c3b6efff555c9a98956594a87aa6fea2d680bfdfc1f7146aa5434fa5a5033c37332238dc7f220aa3 SHA512 8e3395eab6c1508dd59590cbdbd961c2cdd0a265986a967a3318d9680f424f720d54deab72eb61f3ed81e85e561b338f2e53b3478e71e980277f5a092eb45a6c
 EBUILD rust-1.67.1-r1.ebuild 23189 BLAKE2B 7df71d29df716223ca65a4a518cba58caf896ededc8b3f558485d2453b472dc7420ac1cfb7f6a51eed0ba39b9f32f17ba92317686babe5d1c748f88c9b7266b4 SHA512 7153922a0d5006a10fd8fc68c85d0fcafb514c267d65c8e87846e99ae2bb6e11227fd799d2216b031cdb349c562bb30c459c3196981c49a44fd2cf07a2cf34ce
@@ -270,4 +308,5 @@ EBUILD rust-1.69.0-r1.ebuild 23206 BLAKE2B d0b67d4beeeef63e701b032d1b42a1a7500ba
 EBUILD rust-1.70.0.ebuild 23321 BLAKE2B 4550ae6d02af7539c43eb0925c38b5a5f60fa752f769828028b934b71cf1056737ed4809e098b8a7dbf3002879ab212acc130ed91a7b45312400bc5cf9d05a02 SHA512 1f58200e8af3d6171e9b53f560b0268f6c9c26de4d6af5aa9bb17191a8a0d28849b1c377a27164771fee93d94188e156b9ccb50b22efaf25c81ea04039905254
 EBUILD rust-1.71.0.ebuild 23421 BLAKE2B 3e465c4e49908c9ba4c006ca3dcf82cedf32b24551ae0026f8d35b8b9beec93e74c4e71d890e0163690fbc538b8b8638f6720493bca7db2dd001b3c736a30f14 SHA512 270ce6ac5c64bf51506bdba5e0ff031104ea72184f3cadb3820272e1947cc5eab7d7d2a563d02ac64fc6d4ee45f87477cac6699e7255178423c15db918ea3525
 EBUILD rust-1.71.1.ebuild 23389 BLAKE2B 7bf504997142782b65f10109565e46741d2b89d8d93798753c3398c30564b6d9cd55d6c6b9fea4bf96e02015ba54ecc1232420dcc86597ad2790966ba46409f1 SHA512 3523565b343c6108e1f898e32dd5a7cbe973fb8ed0a58c24a51bf2adb645075474b1295ddfc9b0d2d13433ab1c344b4db6985f0046819250120886ee6207c81f
+EBUILD rust-1.72.0.ebuild 23328 BLAKE2B 2bfe40455982dc4b13b8556753ca6de00370912803feebdcfbec2b7952ce1067017ac361ac4e4b6168ec67dfca8058ca5ddcc014c304f9bdd1aabcb80535ca43 SHA512 36eac5c11e07684d2688a3dcfd7a4bb7cbfc4d7d75da01e59967305acf8fe487293aaf639eda0f16a68c5878c8946644976453be889f80172aba905a81debff6
 MISC metadata.xml 1756 BLAKE2B fab29aa03373b0c47de798165a4cac03501da57e38b686917794a961c7e0491b87c7eabe2613883f7c05b6a5ea2ab225f409599e281b57c26ca8a2a22bbfa795 SHA512 a73f76a803fa7be46e30e87c939fab1ac5514daf15f5ef2800045bd30403a2fb2c69fd776becbc2bce61c67544228f7ddd4b87455982ad38dfb368c620bfb317
diff --git a/dev-lang/rust/rust-1.72.0.ebuild b/dev-lang/rust/rust-1.72.0.ebuild
new file mode 100644
index 000000000000..e3b54cff3de9
--- /dev/null
+++ b/dev-lang/rust/rust-1.72.0.ebuild
@@ -0,0 +1,746 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{9..12} )
+
+inherit bash-completion-r1 check-reqs estack flag-o-matic llvm multiprocessing \
+	multilib multilib-build python-any-r1 rust-toolchain toolchain-funcs verify-sig
+
+if [[ ${PV} = *beta* ]]; then
+	betaver=${PV//*beta}
+	BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
+	MY_P="rustc-beta"
+	SLOT="beta/${PV}"
+	SRC="${BETA_SNAPSHOT}/rustc-beta-src.tar.xz -> rustc-${PV}-src.tar.xz"
+else
+	ABI_VER="$(ver_cut 1-2)"
+	SLOT="stable/${ABI_VER}"
+	MY_P="rustc-${PV}"
+	SRC="${MY_P}-src.tar.xz"
+	KEYWORDS="~amd64 ~arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+fi
+
+RUST_STAGE0_VERSION="1.$(($(ver_cut 2) - 1)).1"
+
+DESCRIPTION="Systems programming language from Mozilla"
+HOMEPAGE="https://www.rust-lang.org/"
+
+SRC_URI="
+	https://static.rust-lang.org/dist/${SRC}
+	verify-sig? ( https://static.rust-lang.org/dist/${SRC}.asc )
+	!system-bootstrap? ( $(rust_all_arch_uris rust-${RUST_STAGE0_VERSION}) )
+"
+
+# keep in sync with llvm ebuild of the same version as bundled one.
+ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM AVR BPF Hexagon Lanai LoongArch Mips MSP430
+	NVPTX PowerPC RISCV Sparc SystemZ VE WebAssembly X86 XCore )
+ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
+LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/(-)?}
+
+LICENSE="|| ( MIT Apache-2.0 ) BSD BSD-1 BSD-2 BSD-4 UoI-NCSA"
+
+IUSE="big-endian clippy cpu_flags_x86_sse2 debug dist doc llvm-libunwind +lto miri nightly parallel-compiler profiler rustfmt rust-analyzer rust-src system-bootstrap system-llvm test wasm ${ALL_LLVM_TARGETS[*]}"
+
+# Please keep the LLVM dependency block separate. Since LLVM is slotted,
+# we need to *really* make sure we're not pulling more than one slot
+# simultaneously.
+
+# How to use it:
+# List all the working slots in LLVM_VALID_SLOTS, newest first.
+LLVM_VALID_SLOTS=( 16 )
+LLVM_MAX_SLOT="${LLVM_VALID_SLOTS[0]}"
+
+# splitting usedeps needed to avoid CI/pkgcheck's UncheckableDep limitation
+# (-) usedep needed because we may build with older llvm without that target
+LLVM_DEPEND="|| ( "
+for _s in ${LLVM_VALID_SLOTS[@]}; do
+	LLVM_DEPEND+=" ( "
+	for _x in ${ALL_LLVM_TARGETS[@]}; do
+		LLVM_DEPEND+="
+			${_x}? ( sys-devel/llvm:${_s}[${_x}(-)] )
+			wasm? ( sys-devel/lld:${_s} )"
+	done
+	LLVM_DEPEND+=" )"
+done
+unset _s _x
+LLVM_DEPEND+=" )
+	<sys-devel/llvm-$(( LLVM_MAX_SLOT + 1 )):=
+"
+
+# to bootstrap we need at least exactly previous version, or same.
+# most of the time previous versions fail to bootstrap with newer
+# for example 1.47.x, requires at least 1.46.x, 1.47.x is ok,
+# but it fails to bootstrap with 1.48.x
+# https://github.com/rust-lang/rust/blob/${PV}/src/stage0.json
+RUST_DEP_PREV="$(ver_cut 1).$(($(ver_cut 2) - 1))*"
+RUST_DEP_CURR="$(ver_cut 1).$(ver_cut 2)*"
+BOOTSTRAP_DEPEND="||
+	(
+		=dev-lang/rust-"${RUST_DEP_PREV}"
+		=dev-lang/rust-bin-"${RUST_DEP_PREV}"
+		=dev-lang/rust-"${RUST_DEP_CURR}"
+		=dev-lang/rust-bin-"${RUST_DEP_CURR}"
+	)
+"
+
+BDEPEND="${PYTHON_DEPS}
+	app-eselect/eselect-rust
+	|| (
+		>=sys-devel/gcc-4.7
+		>=sys-devel/clang-3.5
+	)
+	system-bootstrap? ( ${BOOTSTRAP_DEPEND} )
+	!system-llvm? (
+		>=dev-util/cmake-3.13.4
+		dev-util/ninja
+	)
+	test? ( sys-devel/gdb )
+	verify-sig? ( sec-keys/openpgp-keys-rust )
+"
+
+DEPEND="
+	>=app-arch/xz-utils-5.2
+	net-misc/curl:=[http2,ssl]
+	sys-libs/zlib:=
+	dev-libs/openssl:0=
+	system-llvm? (
+		${LLVM_DEPEND}
+		llvm-libunwind? ( sys-libs/llvm-libunwind:= )
+	)
+	!system-llvm? (
+		!llvm-libunwind? (
+			elibc_musl? ( sys-libs/libunwind:= )
+		)
+	)
+"
+
+RDEPEND="${DEPEND}
+	app-eselect/eselect-rust
+	sys-apps/lsb-release
+"
+
+REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
+	miri? ( nightly )
+	parallel-compiler? ( nightly )
+	rust-analyzer? ( rust-src )
+	test? ( ${ALL_LLVM_TARGETS[*]} )
+	wasm? ( llvm_targets_WebAssembly )
+	x86? ( cpu_flags_x86_sse2 )
+"
+
+# we don't use cmake.eclass, but can get a warning
+CMAKE_WARN_UNUSED_CLI=no
+
+QA_FLAGS_IGNORED="
+	usr/lib/${PN}/${PV}/bin/.*
+	usr/lib/${PN}/${PV}/libexec/.*
+	usr/lib/${PN}/${PV}/lib/lib.*.so
+	usr/lib/${PN}/${PV}/lib/rustlib/.*/bin/.*
+	usr/lib/${PN}/${PV}/lib/rustlib/.*/lib/lib.*.so
+"
+
+QA_SONAME="
+	usr/lib/${PN}/${PV}/lib/lib.*.so.*
+	usr/lib/${PN}/${PV}/lib/rustlib/.*/lib/lib.*.so
+"
+
+QA_PRESTRIPPED="
+	usr/lib/${PN}/${PV}/lib/rustlib/.*/bin/rust-llvm-dwp
+	usr/lib/${PN}/${PV}/lib/rustlib/.*/lib/self-contained/crtn.o
+"
+
+# An rmeta file is custom binary format that contains the metadata for the crate.
+# rmeta files do not support linking, since they do not contain compiled object files.
+# so we can safely silence the warning for this QA check.
+QA_EXECSTACK="usr/lib/${PN}/${PV}/lib/rustlib/*/lib*.rlib:lib.rmeta"
+
+# causes double bootstrap
+RESTRICT="test"
+
+VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/rust.asc
+
+PATCHES=(
+	"${FILESDIR}"/1.70.0-ignore-broken-and-non-applicable-tests.patch
+	"${FILESDIR}"/1.62.1-musl-dynamic-linking.patch
+	"${FILESDIR}"/1.67.0-doc-wasm.patch
+)
+
+S="${WORKDIR}/${MY_P}-src"
+
+toml_usex() {
+	usex "${1}" true false
+}
+
+bootstrap_rust_version_check() {
+	# never call from pkg_pretend. eselect-rust may be not installed yet.
+	[[ ${MERGE_TYPE} == binary ]] && return
+	local rustc_wanted="$(ver_cut 1).$(($(ver_cut 2) - 1))"
+	local rustc_toonew="$(ver_cut 1).$(($(ver_cut 2) + 1))"
+	local rustc_version=( $(eselect --brief rust show 2>/dev/null) )
+	rustc_version=${rustc_version[0]#rust-bin-}
+	rustc_version=${rustc_version#rust-}
+
+	[[ -z "${rustc_version}" ]] && die "Failed to determine rust version, check 'eselect rust' output"
+
+	if ver_test "${rustc_version}" -lt "${rustc_wanted}" ; then
+		eerror "Rust >=${rustc_wanted} is required"
+		eerror "please run 'eselect rust' and set correct rust version"
+		die "selected rust version is too old"
+	elif ver_test "${rustc_version}" -ge "${rustc_toonew}" ; then
+		eerror "Rust <${rustc_toonew} is required"
+		eerror "please run 'eselect rust' and set correct rust version"
+		die "selected rust version is too new"
+	else
+		einfo "Using rust ${rustc_version} to build"
+	fi
+}
+
+pre_build_checks() {
+	local M=8192
+	# multiply requirements by 1.3 if we are doing x86-multilib
+	if use amd64; then
+		M=$(( $(usex abi_x86_32 13 10) * ${M} / 10 ))
+	fi
+	M=$(( $(usex clippy 128 0) + ${M} ))
+	M=$(( $(usex miri 128 0) + ${M} ))
+	M=$(( $(usex rustfmt 256 0) + ${M} ))
+	# add 2G if we compile llvm and 256M per llvm_target
+	if ! use system-llvm; then
+		M=$(( 2048 + ${M} ))
+		local ltarget
+		for ltarget in ${ALL_LLVM_TARGETS[@]}; do
+			M=$(( $(usex ${ltarget} 256 0) + ${M} ))
+		done
+	fi
+	M=$(( $(usex wasm 256 0) + ${M} ))
+	M=$(( $(usex debug 2 1) * ${M} ))
+	eshopts_push -s extglob
+	if is-flagq '-g?(gdb)?([1-9])'; then
+		M=$(( 15 * ${M} / 10 ))
+	fi
+	eshopts_pop
+	M=$(( $(usex system-bootstrap 0 1024) + ${M} ))
+	M=$(( $(usex doc 256 0) + ${M} ))
+	CHECKREQS_DISK_BUILD=${M}M check-reqs_pkg_${EBUILD_PHASE}
+}
+
+llvm_check_deps() {
+	has_version -r "sys-devel/llvm:${LLVM_SLOT}[${LLVM_TARGET_USEDEPS// /,}]"
+}
+
+# Is LLVM being linked against libc++?
+is_libcxx_linked() {
+	local code='#include <ciso646>
+#if defined(_LIBCPP_VERSION)
+	HAVE_LIBCXX
+#endif
+'
+	local out=$($(tc-getCXX) ${CXXFLAGS} ${CPPFLAGS} -x c++ -E -P - <<<"${code}") || return 1
+	[[ ${out} == *HAVE_LIBCXX* ]]
+}
+
+pkg_pretend() {
+	pre_build_checks
+}
+
+pkg_setup() {
+	pre_build_checks
+	python-any-r1_pkg_setup
+
+	export LIBGIT2_NO_PKG_CONFIG=1 #749381
+
+	use system-bootstrap && bootstrap_rust_version_check
+
+	if use system-llvm; then
+		llvm_pkg_setup
+
+		local llvm_config="$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
+		export LLVM_LINK_SHARED=1
+		export RUSTFLAGS="${RUSTFLAGS} -Lnative=$("${llvm_config}" --libdir)"
+	fi
+}
+
+esetup_unwind_hack() {
+	# https://bugs.gentoo.org/870280
+	# this is a hack needed to bootstrap with libgcc_s linked tarball on llvm-libunwind system.
+	# it should trigger for internal bootstrap or system-bootstrap with rust-bin.
+	# the whole idea is for stage0 to bootstrap with fake libgcc_s.
+	# final stage will receive -L${T}/lib but not -lgcc_s args, producing clean compiler.
+	local fakelib="${T}/fakelib"
+	mkdir -p "${fakelib}" || die
+	# we need both symlinks, one for cargo runtime, other for linker.
+	ln -s "${ESYSROOT}/usr/lib/libunwind.so" "${fakelib}/libgcc_s.so.1" || die
+	ln -s "${ESYSROOT}/usr/lib/libunwind.so" "${fakelib}/libgcc_s.so" || die
+	export LD_LIBRARY_PATH="${fakelib}"
+	export RUSTFLAGS+=" -L${fakelib}"
+	# this is a literally magic variable that gets through cargo cache, without it some
+	# crates ignore RUSTFLAGS.
+	# this variable can not contain leading space.
+	export MAGIC_EXTRA_RUSTFLAGS+="${MAGIC_EXTRA_RUSTFLAGS:+ }-L${fakelib}"
+}
+
+src_prepare() {
+	if ! use system-bootstrap; then
+		has_version sys-devel/gcc || esetup_unwind_hack
+		local rust_stage0_root="${WORKDIR}"/rust-stage0
+		local rust_stage0="rust-${RUST_STAGE0_VERSION}-$(rust_abi)"
+
+		"${WORKDIR}/${rust_stage0}"/install.sh --disable-ldconfig \
+			--without=rust-docs-json-preview,rust-docs --destdir="${rust_stage0_root}" --prefix=/ || die
+	fi
+
+	default
+}
+
+src_configure() {
+	filter-lto # https://bugs.gentoo.org/862109 https://bugs.gentoo.org/866231
+
+	local rust_target="" rust_targets="" arch_cflags
+
+	# Collect rust target names to compile standard libs for all ABIs.
+	for v in $(multilib_get_enabled_abi_pairs); do
+		rust_targets+=",\"$(rust_abi $(get_abi_CHOST ${v##*.}))\""
+	done
+	if use wasm; then
+		rust_targets+=",\"wasm32-unknown-unknown\""
+		if use system-llvm; then
+			# un-hardcode rust-lld linker for this target
+			# https://bugs.gentoo.org/715348
+			sed -i '/linker:/ s/rust-lld/wasm-ld/' compiler/rustc_target/src/spec/wasm_base.rs || die
+		fi
+	fi
+	rust_targets="${rust_targets#,}"
+
+	# cargo and rustdoc are mandatory and should always be included
+	local tools='"cargo","rustdoc"'
+	use clippy && tools+=',"clippy"'
+	use miri && tools+=',"miri"'
+	use profiler && tools+=',"rust-demangler"'
+	use rustfmt && tools+=',"rustfmt"'
+	use rust-analyzer && tools+=',"rust-analyzer"'
+	use rust-src && tools+=',"src"'
+
+	local rust_stage0_root
+	if use system-bootstrap; then
+		local printsysroot
+		printsysroot="$(rustc --print sysroot || die "Can't determine rust's sysroot")"
+		rust_stage0_root="${printsysroot}"
+	else
+		rust_stage0_root="${WORKDIR}"/rust-stage0
+	fi
+	# in case of prefix it will be already prefixed, as --print sysroot returns full path
+	[[ -d ${rust_stage0_root} ]] || die "${rust_stage0_root} is not a directory"
+
+	rust_target="$(rust_abi)"
+
+	local cm_btype="$(usex debug DEBUG RELEASE)"
+	cat <<- _EOF_ > "${S}"/config.toml
+		changelog-seen = 2
+		[llvm]
+		download-ci-llvm = false
+		optimize = $(toml_usex !debug)
+		release-debuginfo = $(toml_usex debug)
+		assertions = $(toml_usex debug)
+		ninja = true
+		targets = "${LLVM_TARGETS// /;}"
+		experimental-targets = ""
+		link-shared = $(toml_usex system-llvm)
+		$(if is_libcxx_linked; then
+			# https://bugs.gentoo.org/732632
+			echo "use-libcxx = true"
+			echo "static-libstdcpp = false"
+		fi)
+		$(case "${rust_target}" in
+			i586-*-linux-*)
+				# https://github.com/rust-lang/rust/issues/93059
+				echo 'cflags = "-fcf-protection=none"'
+				echo 'cxxflags = "-fcf-protection=none"'
+				echo 'ldflags = "-fcf-protection=none"'
+				;;
+			*)
+				;;
+		esac)
+		enable-warnings = false
+		[llvm.build-config]
+		CMAKE_VERBOSE_MAKEFILE = "ON"
+		CMAKE_C_FLAGS_${cm_btype} = "${CFLAGS}"
+		CMAKE_CXX_FLAGS_${cm_btype} = "${CXXFLAGS}"
+		CMAKE_EXE_LINKER_FLAGS_${cm_btype} = "${LDFLAGS}"
+		CMAKE_MODULE_LINKER_FLAGS_${cm_btype} = "${LDFLAGS}"
+		CMAKE_SHARED_LINKER_FLAGS_${cm_btype} = "${LDFLAGS}"
+		CMAKE_STATIC_LINKER_FLAGS_${cm_btype} = "${ARFLAGS}"
+		[build]
+		build-stage = 2
+		test-stage = 2
+		build = "${rust_target}"
+		host = ["${rust_target}"]
+		target = [${rust_targets}]
+		cargo = "${rust_stage0_root}/bin/cargo"
+		rustc = "${rust_stage0_root}/bin/rustc"
+		rustfmt = "${rust_stage0_root}/bin/rustfmt"
+		docs = $(toml_usex doc)
+		compiler-docs = false
+		submodules = false
+		python = "${EPYTHON}"
+		locked-deps = true
+		vendor = true
+		extended = true
+		tools = [${tools}]
+		verbose = 2
+		sanitizers = false
+		profiler = $(toml_usex profiler)
+		cargo-native-static = false
+		[install]
+		prefix = "${EPREFIX}/usr/lib/${PN}/${PV}"
+		sysconfdir = "etc"
+		docdir = "share/doc/rust"
+		bindir = "bin"
+		libdir = "lib"
+		mandir = "share/man"
+		[rust]
+		# https://github.com/rust-lang/rust/issues/54872
+		codegen-units-std = 1
+		optimize = true
+		debug = $(toml_usex debug)
+		debug-assertions = $(toml_usex debug)
+		debug-assertions-std = $(toml_usex debug)
+		debuginfo-level = $(usex debug 2 0)
+		debuginfo-level-rustc = $(usex debug 2 0)
+		debuginfo-level-std = $(usex debug 2 0)
+		debuginfo-level-tools = $(usex debug 2 0)
+		debuginfo-level-tests = 0
+		backtrace = true
+		incremental = false
+		default-linker = "$(tc-getCC)"
+		parallel-compiler = $(toml_usex parallel-compiler)
+		channel = "$(usex nightly nightly stable)"
+		description = "gentoo"
+		rpath = false
+		verbose-tests = true
+		optimize-tests = $(toml_usex !debug)
+		codegen-tests = true
+		dist-src = false
+		remap-debuginfo = true
+		lld = $(usex system-llvm false $(toml_usex wasm))
+		# only deny warnings if doc+wasm are NOT requested, documenting stage0 wasm std fails without it
+		# https://github.com/rust-lang/rust/issues/74976
+		# https://github.com/rust-lang/rust/issues/76526
+		deny-warnings = $(usex wasm $(usex doc false true) true)
+		backtrace-on-ice = true
+		jemalloc = false
+		lto = "$(usex lto fat off)"
+		[dist]
+		src-tarball = false
+		compression-formats = ["xz"]
+		compression-profile = "balanced"
+	_EOF_
+
+	for v in $(multilib_get_enabled_abi_pairs); do
+		rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
+		arch_cflags="$(get_abi_CFLAGS ${v##*.})"
+
+		export CFLAGS_${rust_target//-/_}="${arch_cflags}"
+
+		cat <<- _EOF_ >> "${S}"/config.toml
+			[target.${rust_target}]
+			ar = "$(tc-getAR)"
+			cc = "$(tc-getCC)"
+			cxx = "$(tc-getCXX)"
+			linker = "$(tc-getCC)"
+			ranlib = "$(tc-getRANLIB)"
+			llvm-libunwind = "$(usex llvm-libunwind $(usex system-llvm system in-tree) no)"
+		_EOF_
+		if use system-llvm; then
+			cat <<- _EOF_ >> "${S}"/config.toml
+				llvm-config = "$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
+			_EOF_
+		fi
+		# by default librustc_target/spec/linux_musl_base.rs sets base.crt_static_default = true;
+		# but we patch it and set to false here as well
+		if use elibc_musl; then
+			cat <<- _EOF_ >> "${S}"/config.toml
+				crt-static = false
+			_EOF_
+		fi
+	done
+	if use wasm; then
+		cat <<- _EOF_ >> "${S}"/config.toml
+			[target.wasm32-unknown-unknown]
+			linker = "$(usex system-llvm lld rust-lld)"
+			# wasm target does not have profiler_builtins https://bugs.gentoo.org/848483
+			profiler = false
+		_EOF_
+	fi
+
+	if [[ -n ${I_KNOW_WHAT_I_AM_DOING_CROSS} ]]; then # whitespace intentionally shifted below
+	# experimental cross support
+	# discussion: https://bugs.gentoo.org/679878
+	# TODO: c*flags, clang, system-llvm, cargo.eclass target support
+	# it would be much better if we could split out stdlib
+	# complilation to separate ebuild and abuse CATEGORY to
+	# just install to /usr/lib/rustlib/<target>
+
+	# extra targets defined as a bash array
+	# spec format:  <LLVM target>:<rust-target>:<CTARGET>
+	# best place would be /etc/portage/env/dev-lang/rust
+	# Example:
+	# RUST_CROSS_TARGETS=(
+	#	"AArch64:aarch64-unknown-linux-gnu:aarch64-unknown-linux-gnu"
+	# )
+	# no extra hand holding is done, no target transformations, all
+	# values are passed as-is with just basic checks, so it's up to user to supply correct values
+	# valid rust targets can be obtained with
+	# 	rustc --print target-list
+	# matching cross toolchain has to be installed
+	# matching LLVM_TARGET has to be enabled for both rust and llvm (if using system one)
+	# only gcc toolchains installed with crossdev are checked for now.
+
+	# BUG: we can't pass host flags to cross compiler, so just filter for now
+	# BUG: this should be more fine-grained.
+	filter-flags '-mcpu=*' '-march=*' '-mtune=*'
+
+	local cross_target_spec
+	for cross_target_spec in "${RUST_CROSS_TARGETS[@]}";do
+		# extracts first element form <LLVM target>:<rust-target>:<CTARGET>
+		local cross_llvm_target="${cross_target_spec%%:*}"
+		# extracts toolchain triples, <rust-target>:<CTARGET>
+		local cross_triples="${cross_target_spec#*:}"
+		# extracts first element after before : separator
+		local cross_rust_target="${cross_triples%%:*}"
+		# extracts last element after : separator
+		local cross_toolchain="${cross_triples##*:}"
+		use llvm_targets_${cross_llvm_target} || die "need llvm_targets_${cross_llvm_target} target enabled"
+		command -v ${cross_toolchain}-gcc > /dev/null 2>&1 || die "need ${cross_toolchain} cross toolchain"
+
+		cat <<- _EOF_ >> "${S}"/config.toml
+			[target.${cross_rust_target}]
+			ar = "${cross_toolchain}-ar"
+			cc = "${cross_toolchain}-gcc"
+			cxx = "${cross_toolchain}-g++"
+			linker = "${cross_toolchain}-gcc"
+			ranlib = "${cross_toolchain}-ranlib"
+		_EOF_
+		if use system-llvm; then
+			cat <<- _EOF_ >> "${S}"/config.toml
+				llvm-config = "$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
+			_EOF_
+		fi
+		if [[ "${cross_toolchain}" == *-musl* ]]; then
+			cat <<- _EOF_ >> "${S}"/config.toml
+				musl-root = "$(${cross_toolchain}-gcc -print-sysroot)/usr"
+			_EOF_
+		fi
+
+		# append cross target to "normal" target list
+		# example 'target = ["powerpc64le-unknown-linux-gnu"]'
+		# becomes 'target = ["powerpc64le-unknown-linux-gnu","aarch64-unknown-linux-gnu"]'
+
+		rust_targets="${rust_targets},\"${cross_rust_target}\""
+		sed -i "/^target = \[/ s#\[.*\]#\[${rust_targets}\]#" config.toml || die
+
+		ewarn
+		ewarn "Enabled ${cross_rust_target} rust target"
+		ewarn "Using ${cross_toolchain} cross toolchain"
+		ewarn
+		if ! has_version -b 'sys-devel/binutils[multitarget]' ; then
+			ewarn "'sys-devel/binutils[multitarget]' is not installed"
+			ewarn "'strip' will be unable to strip cross libraries"
+			ewarn "cross targets will be installed with full debug information"
+			ewarn "enable 'multitarget' USE flag for binutils to be able to strip object files"
+			ewarn
+			ewarn "Alternatively llvm-strip can be used, it supports stripping any target"
+			ewarn "define STRIP=\"llvm-strip\" to use it (experimental)"
+			ewarn
+		fi
+	done
+	fi # I_KNOW_WHAT_I_AM_DOING_CROSS
+
+	einfo "Rust configured with the following flags:"
+	echo
+	echo RUSTFLAGS="\"${RUSTFLAGS}\""
+	echo RUSTFLAGS_BOOTSTRAP="\"${RUSTFLAGS_BOOTSTRAP}\""
+	echo RUSTFLAGS_NOT_BOOTSTRAP="\"${RUSTFLAGS_NOT_BOOTSTRAP}\""
+	echo MAGIC_EXTRA_RUSTFLAGS="\"${MAGIC_EXTRA_RUSTFLAGS}\""
+	env | grep "CARGO_TARGET_.*_RUSTFLAGS="
+	env | grep "CFLAGS_.*"
+	echo
+	einfo "config.toml contents:"
+	cat "${S}"/config.toml || die
+	echo
+}
+
+src_compile() {
+	RUST_BACKTRACE=1 "${EPYTHON}" ./x.py build -vv --config="${S}"/config.toml -j$(makeopts_jobs) || die
+}
+
+src_test() {
+	# https://rustc-dev-guide.rust-lang.org/tests/intro.html
+
+	# those are basic and codegen tests.
+	local tests=(
+		codegen
+		codegen-units
+		compile-fail
+		incremental
+		mir-opt
+		pretty
+		run-make
+	)
+
+	# fails if llvm is not built with ALL targets.
+	# and known to fail with system llvm sometimes.
+	use system-llvm || tests+=( assembly )
+
+	# fragile/expensive/less important tests
+	# or tests that require extra builds
+	# TODO: instead of skipping, just make some nonfatal.
+	if [[ ${ERUST_RUN_EXTRA_TESTS:-no} != no ]]; then
+		tests+=(
+			rustdoc
+			rustdoc-js
+			rustdoc-js-std
+			rustdoc-ui
+			run-make-fulldeps
+			ui
+			ui-fulldeps
+		)
+	fi
+
+	local i failed=()
+	einfo "rust_src_test: enabled tests ${tests[@]/#/src/test/}"
+	for i in "${tests[@]}"; do
+		local t="src/test/${i}"
+		einfo "rust_src_test: running ${t}"
+		if ! RUST_BACKTRACE=1 "${EPYTHON}" ./x.py test -vv --config="${S}"/config.toml \
+				-j$(makeopts_jobs) --no-doc --no-fail-fast "${t}"
+		then
+				failed+=( "${t}" )
+				eerror "rust_src_test: ${t} failed"
+		fi
+	done
+
+	if [[ ${#failed[@]} -ne 0 ]]; then
+		eerror "rust_src_test: failure summary: ${failed[@]}"
+		die "aborting due to test failures"
+	fi
+}
+
+src_install() {
+	DESTDIR="${D}" "${EPYTHON}" ./x.py install -vv --config="${S}"/config.toml -j$(makeopts_jobs) || die
+
+	# bug #689562, #689160
+	rm -v "${ED}/usr/lib/${PN}/${PV}/etc/bash_completion.d/cargo" || die
+	rmdir -v "${ED}/usr/lib/${PN}/${PV}"/etc{/bash_completion.d,} || die
+	newbashcomp src/tools/cargo/src/etc/cargo.bashcomp.sh cargo
+
+	local symlinks=(
+		cargo
+		rustc
+		rustdoc
+		rust-gdb
+		rust-gdbgui
+		rust-lldb
+	)
+
+	use clippy && symlinks+=( clippy-driver cargo-clippy )
+	use miri && symlinks+=( miri cargo-miri )
+	use profiler && symlinks+=( rust-demangler )
+	use rustfmt && symlinks+=( rustfmt cargo-fmt )
+	use rust-analyzer && symlinks+=( rust-analyzer )
+
+	einfo "installing eselect-rust symlinks and paths: ${symlinks[@]}"
+	local i
+	for i in "${symlinks[@]}"; do
+		# we need realpath on /usr/bin/* symlink return version-appended binary path.
+		# so /usr/bin/rustc should point to /usr/lib/rust/<ver>/bin/rustc-<ver>
+		# need to fix eselect-rust to remove this hack.
+		local ver_i="${i}-${PV}"
+		if [[ -f "${ED}/usr/lib/${PN}/${PV}/bin/${i}" ]]; then
+			einfo "Installing ${i} symlink"
+			ln -v "${ED}/usr/lib/${PN}/${PV}/bin/${i}" "${ED}/usr/lib/${PN}/${PV}/bin/${ver_i}" || die
+		else
+			ewarn "${i} symlink requested, but source file not found"
+			ewarn "please report this"
+		fi
+		dosym "../lib/${PN}/${PV}/bin/${ver_i}" "/usr/bin/${ver_i}"
+	done
+
+	# symlinks to switch components to active rust in eselect
+	dosym "${PV}/lib" "/usr/lib/${PN}/lib-${PV}"
+	dosym "${PV}/libexec" "/usr/lib/${PN}/libexec-${PV}"
+	dosym "${PV}/share/man" "/usr/lib/${PN}/man-${PV}"
+	dosym "rust/${PV}/lib/rustlib" "/usr/lib/rustlib-${PV}"
+	dosym "../../lib/${PN}/${PV}/share/doc/rust" "/usr/share/doc/${P}"
+
+	newenvd - "50${P}" <<-_EOF_
+		LDPATH="${EPREFIX}/usr/lib/rust/lib"
+		MANPATH="${EPREFIX}/usr/lib/rust/man"
+	_EOF_
+
+	rm -rf "${ED}/usr/lib/${PN}/${PV}"/*.old || die
+	rm -rf "${ED}/usr/lib/${PN}/${PV}/doc"/*.old || die
+
+	# note: eselect-rust adds EROOT to all paths below
+	cat <<-_EOF_ > "${T}/provider-${P}"
+		/usr/bin/cargo
+		/usr/bin/rustdoc
+		/usr/bin/rust-gdb
+		/usr/bin/rust-gdbgui
+		/usr/bin/rust-lldb
+		/usr/lib/rustlib
+		/usr/lib/rust/lib
+		/usr/lib/rust/libexec
+		/usr/lib/rust/man
+		/usr/share/doc/rust
+	_EOF_
+
+	if use clippy; then
+		echo /usr/bin/clippy-driver >> "${T}/provider-${P}"
+		echo /usr/bin/cargo-clippy >> "${T}/provider-${P}"
+	fi
+	if use miri; then
+		echo /usr/bin/miri >> "${T}/provider-${P}"
+		echo /usr/bin/cargo-miri >> "${T}/provider-${P}"
+	fi
+	if use profiler; then
+		echo /usr/bin/rust-demangler >> "${T}/provider-${P}"
+	fi
+	if use rustfmt; then
+		echo /usr/bin/rustfmt >> "${T}/provider-${P}"
+		echo /usr/bin/cargo-fmt >> "${T}/provider-${P}"
+	fi
+	if use rust-analyzer; then
+		echo /usr/bin/rust-analyzer >> "${T}/provider-${P}"
+	fi
+
+	insinto /etc/env.d/rust
+	doins "${T}/provider-${P}"
+
+	if use dist; then
+		insinto "/usr/lib/${PN}/${PV}/dist"
+		doins -r "${S}/build/dist/."
+	fi
+}
+
+pkg_postinst() {
+	eselect rust update
+
+	if has_version sys-devel/gdb || has_version dev-util/lldb; then
+		elog "Rust installs a helper script for calling GDB and LLDB,"
+		elog "for your convenience it is installed under /usr/bin/rust-{gdb,lldb}-${PV}."
+	fi
+
+	if has_version app-editors/emacs; then
+		elog "install app-emacs/rust-mode to get emacs support for rust."
+	fi
+
+	if has_version app-editors/gvim || has_version app-editors/vim; then
+		elog "install app-vim/rust-vim to get vim support for rust."
+	fi
+}
+
+pkg_postrm() {
+	eselect rust cleanup
+}