[INFO] fetching crate slice_math 0.1.31...
[INFO] testing slice_math-0.1.31 against 1.90.0 for beta-1.91-3
[INFO] extracting crate slice_math 0.1.31 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate slice_math 0.1.31
[INFO] finished tweaking crates.io crate slice_math 0.1.31
[INFO] tweaked toml for crates.io crate slice_math 0.1.31 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slice_math 0.1.31 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slice_math 0.1.31 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slice_trait v0.1.1
[INFO] [stderr]   Downloaded moddef v0.2.2
[INFO] [stderr]   Downloaded slice_ops v0.1.12
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.7
[INFO] [stderr]   Downloaded bytemuck v1.20.0
[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded getset v0.1.3
[INFO] [stderr]   Downloaded ocipkg v0.2.9
[INFO] [stderr]   Downloaded intel-mkl-tool v0.8.1
[INFO] [stderr]   Downloaded lax v0.16.0
[INFO] [stderr]   Downloaded anyhow v1.0.94
[INFO] [stderr]   Downloaded oci-spec v0.6.8
[INFO] [stderr]   Downloaded tar v0.4.43
[INFO] [stderr]   Downloaded toml_edit v0.22.22
[INFO] [stderr]   Downloaded cc v1.2.3
[INFO] [stderr]   Downloaded png v0.17.15
[INFO] [stderr]   Downloaded ttf-parser v0.20.0
[INFO] [stderr]   Downloaded winnow v0.6.20
[INFO] [stderr]   Downloaded ndarray-linalg v0.16.0
[INFO] [stderr]   Downloaded dwrote v0.11.2
[INFO] [stderr]   Downloaded rustversion v1.0.18
[INFO] [stderr]   Downloaded xattr v1.3.1
[INFO] [stderr]   Downloaded webpki-roots v0.26.7
[INFO] [stderr]   Downloaded intel-mkl-src v0.8.1
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded katexit v0.1.4
[INFO] [stderr]   Downloaded rustls v0.23.20
[INFO] [stderr]   Downloaded rustfft v6.2.0
[INFO] [stderr]   Downloaded gif v0.12.0
[INFO] [stderr]   Downloaded lapack-sys v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2b33568a14213b2b89e8dd2e79773b6817f8ace2d10267d333faa16e04fafe0
[INFO] running `Command { std: "docker" "start" "-a" "e2b33568a14213b2b89e8dd2e79773b6817f8ace2d10267d333faa16e04fafe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2b33568a14213b2b89e8dd2e79773b6817f8ace2d10267d333faa16e04fafe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b33568a14213b2b89e8dd2e79773b6817f8ace2d10267d333faa16e04fafe0", kill_on_drop: false }`
[INFO] [stdout] e2b33568a14213b2b89e8dd2e79773b6817f8ace2d10267d333faa16e04fafe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f15ecb5a5ab431dbafcbc533e9b3821c46726ab827353d0b85b986d71cc3f879
[INFO] running `Command { std: "docker" "start" "-a" "f15ecb5a5ab431dbafcbc533e9b3821c46726ab827353d0b85b986d71cc3f879", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling moddef v0.2.2
[INFO] [stderr]    Compiling slice_trait v0.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.1/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slice_trait-0.1.1/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(const_trait_impl)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slice_trait` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f15ecb5a5ab431dbafcbc533e9b3821c46726ab827353d0b85b986d71cc3f879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15ecb5a5ab431dbafcbc533e9b3821c46726ab827353d0b85b986d71cc3f879", kill_on_drop: false }`
[INFO] [stdout] f15ecb5a5ab431dbafcbc533e9b3821c46726ab827353d0b85b986d71cc3f879