Added Rust 1.84.0

[UebelAndre]

https://blog.rust-lang.org/2025/01/09/Rust-1.84.0.html

[UebelAndre]

Currently this fails to repin with

+ cd examples/crate_universe/vendor_external/
+ CARGO_BAZEL_REPIN=true
+ bazel run :crates_vendor
Error: Failed to write registry URLs and feature map

Caused by:
    0: Failed to get crate from cache for Package { name: Name("ahash"), version: Version { major: 0, minor: 7, patch: 6 }, source: Some(SourceId { url: Url { scheme: "https", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("github.com")), port: None, path: "/rust-lang/crates.io-index", query: None, fragment: None }, kind: Registry, precise: Some("locked"), name: None }), checksum: Some(Sha256(fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47)), dependencies: [Dependency { name: Name("getrandom"), version: Version { major: 0, minor: 2, patch: 10 }, source: Some(SourceId { url: Url { scheme: "https", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("github.com")), port: None, path: "/rust-lang/crates.io-index", query: None, fragment: None }, kind: Registry, precise: Some("locked"), name: None }) }, Dependency { name: Name("once_cell"), version: Version { major: 1, minor: 18, patch: 0 }, source: Some(SourceId { url: Url { scheme: "https", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("github.com")), port: None, path: "/rust-lang/crates.io-index", query: None, fragment: None }, kind: Registry, precise: Some("locked"), name: None }) }, Dependency { name: Name("version_check"), version: Version { major: 0, minor: 9, patch: 4 }, source: Some(SourceId { url: Url { scheme: "https", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("github.com")), port: None, path: "/rust-lang/crates.io-index", query: None, fragment: None }, kind: Registry, precise: Some("locked"), name: None }) }], replace: None }
    1: No such file or directory (os error 2)
ERROR: /private/var/tmp/_bazel_user/5f9b22deab82162fb4591147bb665052/external/rules_rust~/crate_universe/private/common_utils.bzl:55:13: Traceback (most recent call last):
	File "/private/var/tmp/_bazel_user/5f9b22deab82162fb4591147bb665052/external/rules_rust~/crate_universe/extensions.bzl", line 949, column 37, in _crate_impl
		_generate_hub_and_spokes(
	File "/private/var/tmp/_bazel_user/5f9b22deab82162fb4591147bb665052/external/rules_rust~/crate_universe/extensions.bzl", line 585, column 51, in _generate_hub_and_spokes
		splice_outputs = splice_workspace_manifest(
	File "/private/var/tmp/_bazel_user/5f9b22deab82162fb4591147bb665052/external/rules_rust~/crate_universe/private/splicing_utils.bzl", line 170, column 19, in splice_workspace_manifest
		cargo_bazel_fn(
	File "/private/var/tmp/_bazel_user/5f9b22deab82162fb4591147bb665052/external/rules_rust~/crate_universe/private/common_utils.bzl", line 88, column 23, in _execute
		return execute(
	File "/private/var/tmp/_bazel_user/5f9b22deab82162fb4591147bb665052/external/rules_rust~/crate_universe/private/common_utils.bzl", line 55, column 13, in execute
		fail(_EXECUTE_ERROR_MESSAGE.format(
Error in fail: Command [/private/var/tmp/_bazel_user/5f9b22deab82162fb4591147bb665052/external/rules_rust~~cu_nr~cargo_bazel_bootstrap/cargo-bazel, "splice", "--output-dir", /private/var/tmp/_bazel_user/5f9b22deab82162fb4591147bb665052/modextwd/rules_rust~~crate/crate_index_cargo_bindeps/splicing-output, "--splicing-manifest", /private/var/tmp/_bazel_user/5f9b22deab82162fb4591147bb665052/modextwd/rules_rust~~crate/crate_index_cargo_bindeps/splicing_manifest.json, "--config", /private/var/tmp/_bazel_user/5f9b22deab82162fb4591147bb665052/modextwd/rules_rust~~crate/crate_index_cargo_bindeps/config.json, "--cargo-lockfile", /Users/user/Code/rules_rust/examples/crate_universe/cargo_bindeps/Cargo.lock, "--cargo", "/private/var/tmp/_bazel_user/5f9b22deab82162fb4591147bb665052/external/rules_rust~~rust_host_tools~rust_host_tools_nightly/bin/cargo", "--rustc", "/private/var/tmp/_bazel_user/5f9b22deab82162fb4591147bb665052/external/rules_rust~~rust_host_tools~rust_host_tools_nightly/bin/rustc"] failed with exit code 1.
STDOUT ------------------------------------------------------------------------

STDERR ------------------------------------------------------------------------
Error: Failed to write registry URLs and feature map

Caused by:
    0: Failed to get crate from cache for Package { name: Name("ahash"), version: Version { major: 0, minor: 7, patch: 6 }, source: Some(SourceId { url: Url { scheme: "https", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("github.com")), port: None, path: "/rust-lang/crates.io-index", query: None, fragment: None }, kind: Registry, precise: Some("locked"), name: None }), checksum: Some(Sha256(fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47)), dependencies: [Dependency { name: Name("getrandom"), version: Version { major: 0, minor: 2, patch: 10 }, source: Some(SourceId { url: Url { scheme: "https", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("github.com")), port: None, path: "/rust-lang/crates.io-index", query: None, fragment: None }, kind: Registry, precise: Some("locked"), name: None }) }, Dependency { name: Name("once_cell"), version: Version { major: 1, minor: 18, patch: 0 }, source: Some(SourceId { url: Url { scheme: "https", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("github.com")), port: None, path: "/rust-lang/crates.io-index", query: None, fragment: None }, kind: Registry, precise: Some("locked"), name: None }) }, Dependency { name: Name("version_check"), version: Version { major: 0, minor: 9, patch: 4 }, source: Some(SourceId { url: Url { scheme: "https", cannot_be_a_base: false, username: "", password: None, host: Some(Domain("github.com")), port: None, path: "/rust-lang/crates.io-index", query: None, fragment: None }, kind: Registry, precise: Some("locked"), name: None }) }], replace: None }
    1: No such file or directory (os error 2)

@illicitonion I haven't yet dug too deeply into this but does this error seem familiar to you somehow?

[UebelAndre]

re #3179 (comment)

Found the root cause and filed frewsxcv/rust-crates-index#182

[UebelAndre]

This is not being updated due to frewsxcv/rust-crates-index#182