Dec 17 13:03:09.617 INFO checking tuvistavie/rust-simple-nn against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 13:03:09.617 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/tuvistavie/rust-simple-nn:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:03:10.168 INFO [stdout] eb3675f698c1c5af916f2c9400411111fd9c431e525ec12d8deb21331471f2f8
Dec 17 13:03:10.174 INFO running `"docker" "start" "-a" "eb3675f698c1c5af916f2c9400411111fd9c431e525ec12d8deb21331471f2f8"`
Dec 17 13:03:12.365 INFO [stderr]     Checking simple_nn v0.1.0 (/opt/crater/workdir)
Dec 17 13:03:15.729 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 17 13:03:15.729 INFO [stderr]   --> tests/linalg_matrix.rs:35:5
Dec 17 13:03:15.729 INFO [stderr]    |
Dec 17 13:03:15.729 INFO [stderr] 35 |     &matrix + &other;
Dec 17 13:03:15.729 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 13:03:15.729 INFO [stderr]    |
Dec 17 13:03:15.729 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 13:03:15.729 INFO [stderr] 
Dec 17 13:03:15.770 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.47s
Dec 17 13:03:17.002 INFO running `"docker" "inspect" "eb3675f698c1c5af916f2c9400411111fd9c431e525ec12d8deb21331471f2f8"`
Dec 17 13:03:17.364 INFO running `"docker" "rm" "-f" "eb3675f698c1c5af916f2c9400411111fd9c431e525ec12d8deb21331471f2f8"`
Dec 17 13:03:17.686 INFO [stdout] eb3675f698c1c5af916f2c9400411111fd9c431e525ec12d8deb21331471f2f8