[INFO] fetching crate llml 0.2.3...
[INFO] documenting llml-0.2.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate llml 0.2.3 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate llml 0.2.3 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate llml 0.2.3
[INFO] finished tweaking crates.io crate llml 0.2.3
[INFO] tweaked toml for crates.io crate llml 0.2.3 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded randerive v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 187eaf6f7b0ab09672dfba6043f8357ed91c5cf7deb041e627455f347810383d
[INFO] running `Command { std: "docker" "start" "-a" "187eaf6f7b0ab09672dfba6043f8357ed91c5cf7deb041e627455f347810383d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "187eaf6f7b0ab09672dfba6043f8357ed91c5cf7deb041e627455f347810383d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "187eaf6f7b0ab09672dfba6043f8357ed91c5cf7deb041e627455f347810383d", kill_on_drop: false }`
[INFO] [stdout] 187eaf6f7b0ab09672dfba6043f8357ed91c5cf7deb041e627455f347810383d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9ccfa0b2dd1af1c652e683817ba189c33e9d79d665774283a28de321b258fa5
[INFO] running `Command { std: "docker" "start" "-a" "d9ccfa0b2dd1af1c652e683817ba189c33e9d79d665774283a28de321b258fa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]  Documenting llml v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell, concat_idents, core_intrinsics, set_ptr_value, portable_simd, trivial_bounds, stdsimd, generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:63
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(any(target_arch = "x86", target_arch = "x86_64"), feature(stdarch))]
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:1:110
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell, concat_idents, core_intrinsics, set_ptr_value, portable_simd, trivial_bounds, stdsimd, generic_const_exprs)]
[INFO] [stdout]   |                                                                                                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `__m128s` should have an upper camel case name
[INFO] [stdout]   --> src/x86/mod.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |         type __m128s = __m128;
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to upper camel case: `M128s`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/x86/vec2.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl_arith_sse!(EucVecf2, f32);
[INFO] [stdout]    | ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_arith` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `__m128s` should have an upper camel case name
[INFO] [stdout]   --> src/x86/mod.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |         type __m128s = __m128;
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to upper camel case: `M128s`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/x86/vec3.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl_arith_sse!(EucVecf3, f32);
[INFO] [stdout]    | ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_arith` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `__m128s` should have an upper camel case name
[INFO] [stdout]   --> src/x86/mod.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |         type __m128s = __m128;
[INFO] [stdout]    |              ^^^^^^^ help: convert the identifier to upper camel case: `M128s`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/x86/vec4.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl_arith_sse!(EucVecf4, f32);
[INFO] [stdout]    | ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_arith` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `llml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name llml src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7e2171a50b980857 -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-dcce77079dd8fe1e.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-ae1f45806efe266e.so --cap-lints=warn --crate-version 0.2.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d9ccfa0b2dd1af1c652e683817ba189c33e9d79d665774283a28de321b258fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ccfa0b2dd1af1c652e683817ba189c33e9d79d665774283a28de321b258fa5", kill_on_drop: false }`
[INFO] [stdout] d9ccfa0b2dd1af1c652e683817ba189c33e9d79d665774283a28de321b258fa5