Dec 04 08:04:25.738 INFO checking tuvistavie/rust-simple-nn against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 08:04:25.738 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 08:04:26.224 INFO [stdout] 4aa8dde34aa686f6b3e7d91eef8cf1e9eadce21ea878f9435f6e0fce6f478556
Dec 04 08:04:26.227 INFO running `"docker" "start" "-a" "4aa8dde34aa686f6b3e7d91eef8cf1e9eadce21ea878f9435f6e0fce6f478556"`
Dec 04 08:04:28.106 INFO [stderr] usermod: no changes
Dec 04 08:04:28.211 INFO [stderr]     Checking rand v0.3.15
Dec 04 08:04:29.679 INFO [stderr]     Checking simple_nn v0.1.0 (/source)
Dec 04 08:04:32.351 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 04 08:04:32.351 INFO [stderr]   --> tests/linalg_matrix.rs:35:5
Dec 04 08:04:32.351 INFO [stderr]    |
Dec 04 08:04:32.351 INFO [stderr] 35 |     &matrix + &other;
Dec 04 08:04:32.351 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 08:04:32.351 INFO [stderr]    |
Dec 04 08:04:32.351 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 08:04:32.351 INFO [stderr] 
Dec 04 08:04:33.023 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.89s
Dec 04 08:04:33.023 INFO [stderr] su: No module specific data is present
Dec 04 08:04:34.067 INFO running `"docker" "inspect" "4aa8dde34aa686f6b3e7d91eef8cf1e9eadce21ea878f9435f6e0fce6f478556"`
Dec 04 08:04:34.379 INFO running `"docker" "rm" "-f" "4aa8dde34aa686f6b3e7d91eef8cf1e9eadce21ea878f9435f6e0fce6f478556"`
Dec 04 08:04:34.791 INFO [stdout] 4aa8dde34aa686f6b3e7d91eef8cf1e9eadce21ea878f9435f6e0fce6f478556