[INFO] fetching crate argminmax 0.6.1...
[INFO] testing argminmax-0.6.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate argminmax 0.6.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate argminmax 0.6.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate argminmax 0.6.1
[INFO] finished tweaking crates.io crate argminmax 0.6.1
[INFO] tweaked toml for crates.io crate argminmax 0.6.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v2.1.0
[INFO] [stderr]   Downloaded num-complex v0.4.5
[INFO] [stderr]   Downloaded foreign_vec v0.1.0
[INFO] [stderr]   Downloaded half v2.3.1
[INFO] [stderr]   Downloaded ciborium-io v0.2.2
[INFO] [stderr]   Downloaded codspeed v1.1.0
[INFO] [stderr]   Downloaded dyn-clone v1.0.16
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded arrow-schema v50.0.0
[INFO] [stderr]   Downloaded rstest_reuse v0.5.0
[INFO] [stderr]   Downloaded lexical-util v0.8.5
[INFO] [stderr]   Downloaded arrow2 v0.18.0
[INFO] [stderr]   Downloaded arrow-cast v50.0.0
[INFO] [stderr]   Downloaded arrow-array v50.0.0
[INFO] [stderr]   Downloaded arrow-buffer v50.0.0
[INFO] [stderr]   Downloaded ciborium v0.2.2
[INFO] [stderr]   Downloaded lexical-parse-float v0.8.5
[INFO] [stderr]   Downloaded lexical-write-float v0.8.5
[INFO] [stderr]   Downloaded arrow v50.0.0
[INFO] [stderr]   Downloaded ethnum v1.5.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.8
[INFO] [stderr]   Downloaded lexical-write-integer v0.8.5
[INFO] [stderr]   Downloaded lexical-core v0.8.5
[INFO] [stderr]   Downloaded arrow-arith v50.0.0
[INFO] [stderr]   Downloaded lexical-parse-integer v0.8.6
[INFO] [stderr]   Downloaded arrow-data v50.0.0
[INFO] [stderr]   Downloaded criterion v0.4.0
[INFO] [stderr]   Downloaded arrow-select v50.0.0
[INFO] [stderr]   Downloaded rstest_macros v0.16.0
[INFO] [stderr]   Downloaded num v0.4.1
[INFO] [stderr]   Downloaded arrow-string v50.0.0
[INFO] [stderr]   Downloaded hash_hasher v2.0.3
[INFO] [stderr]   Downloaded simdutf8 v0.1.4
[INFO] [stderr]   Downloaded ciborium-ll v0.2.2
[INFO] [stderr]   Downloaded rstest v0.16.0
[INFO] [stderr]   Downloaded arrow-ord v50.0.0
[INFO] [stderr]   Downloaded arrow-row v50.0.0
[INFO] [stderr]   Downloaded codspeed-criterion-compat v1.1.0
[INFO] [stderr]   Downloaded criterion-plot v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0da18ca2a220922780a60d2bda18721632fede71f49c7cadae55bcfe251ef31
[INFO] running `Command { std: "docker" "start" "-a" "d0da18ca2a220922780a60d2bda18721632fede71f49c7cadae55bcfe251ef31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0da18ca2a220922780a60d2bda18721632fede71f49c7cadae55bcfe251ef31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0da18ca2a220922780a60d2bda18721632fede71f49c7cadae55bcfe251ef31", kill_on_drop: false }`
[INFO] [stdout] d0da18ca2a220922780a60d2bda18721632fede71f49c7cadae55bcfe251ef31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9922ef2e8095b1a5c1b439fa7c2fe7a18b913bc08a9c98503de48e4aec98b5e
[INFO] running `Command { std: "docker" "start" "-a" "a9922ef2e8095b1a5c1b439fa7c2fe7a18b913bc08a9c98503de48e4aec98b5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling argminmax v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:72:39
[INFO] [stdout]    |
[INFO] [stdout] 72 | #![cfg_attr(feature = "nightly_simd", feature(stdsimd))]
[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:73:39
[INFO] [stdout]    |
[INFO] [stdout] 73 | #![cfg_attr(feature = "nightly_simd", feature(avx512_target_feature))]
[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:74:39
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![cfg_attr(feature = "nightly_simd", feature(arm_target_feature))]
[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:72:47
[INFO] [stdout]    |
[INFO] [stdout] 72 | #![cfg_attr(feature = "nightly_simd", feature(stdsimd))]
[INFO] [stdout]    |                                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `argminmax` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "a9922ef2e8095b1a5c1b439fa7c2fe7a18b913bc08a9c98503de48e4aec98b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9922ef2e8095b1a5c1b439fa7c2fe7a18b913bc08a9c98503de48e4aec98b5e", kill_on_drop: false }`
[INFO] [stdout] a9922ef2e8095b1a5c1b439fa7c2fe7a18b913bc08a9c98503de48e4aec98b5e
