Oct 12 11:41:29.094 INFO checking tuvistavie/rust-simple-nn against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 11:41:29.096 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 11:41:29.606 INFO blam! c049fc98243b22b115a6fe87b9ac40762ba58e5a915e295adaf6567082775c13
Oct 12 11:41:29.609 INFO running `"docker" "start" "-a" "c049fc98243b22b115a6fe87b9ac40762ba58e5a915e295adaf6567082775c13"`
Oct 12 11:41:31.920 INFO kablam! usermod: no changes
Oct 12 11:41:32.024 INFO kablam!     Checking simple_nn v0.1.0 (/source)
Oct 12 11:41:35.764 INFO kablam! warning: unused arithmetic operation which must be used
Oct 12 11:41:35.765 INFO kablam!   --> tests/linalg_matrix.rs:35:5
Oct 12 11:41:35.766 INFO kablam!    |
Oct 12 11:41:35.767 INFO kablam! 35 |     &matrix + &other;
Oct 12 11:41:35.767 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 12 11:41:35.768 INFO kablam!    |
Oct 12 11:41:35.769 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 11:41:35.769 INFO kablam! 
Oct 12 11:41:36.232 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.28s
Oct 12 11:41:36.244 INFO kablam! su: No module specific data is present
Oct 12 11:41:37.614 INFO running `"docker" "rm" "-f" "c049fc98243b22b115a6fe87b9ac40762ba58e5a915e295adaf6567082775c13"`
Oct 12 11:41:37.953 INFO blam! c049fc98243b22b115a6fe87b9ac40762ba58e5a915e295adaf6567082775c13