Dec 04 08:04:22.230 INFO checking tuvistavie/rust-simple-nn against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 08:04:22.230 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 08:04:22.848 INFO [stdout] eb86e19206f54c4b1446d65cff78b7f207a76474563ac77a78c60177cc26cdec
Dec 04 08:04:22.850 INFO running `"docker" "start" "-a" "eb86e19206f54c4b1446d65cff78b7f207a76474563ac77a78c60177cc26cdec"`
Dec 04 08:04:24.971 INFO [stderr] usermod: no changes
Dec 04 08:04:25.055 INFO [stderr]     Checking simple_nn v0.1.0 (/source)
Dec 04 08:04:28.439 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 04 08:04:28.439 INFO [stderr]   --> tests/linalg_matrix.rs:35:5
Dec 04 08:04:28.439 INFO [stderr]    |
Dec 04 08:04:28.439 INFO [stderr] 35 |     &matrix + &other;
Dec 04 08:04:28.439 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 08:04:28.439 INFO [stderr]    |
Dec 04 08:04:28.439 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 08:04:28.439 INFO [stderr] 
Dec 04 08:04:28.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
Dec 04 08:04:28.996 INFO [stderr] su: No module specific data is present
Dec 04 08:04:30.395 INFO running `"docker" "inspect" "eb86e19206f54c4b1446d65cff78b7f207a76474563ac77a78c60177cc26cdec"`
Dec 04 08:04:30.659 INFO running `"docker" "rm" "-f" "eb86e19206f54c4b1446d65cff78b7f207a76474563ac77a78c60177cc26cdec"`
Dec 04 08:04:30.921 INFO [stdout] eb86e19206f54c4b1446d65cff78b7f207a76474563ac77a78c60177cc26cdec