Oct 26 18:55:46.594 INFO checking tuvistavie/rust-simple-nn against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 26 18:55:46.594 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-1/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 26 18:55:47.171 INFO blam! 3d95acdb237326bc7040790b64c2e589334a74dfd15232a248d9b72feeeea1fb
Oct 26 18:55:47.173 INFO running `"docker" "start" "-a" "3d95acdb237326bc7040790b64c2e589334a74dfd15232a248d9b72feeeea1fb"`
Oct 26 18:55:48.991 INFO kablam! usermod: no changes
Oct 26 18:55:49.079 INFO kablam!     Checking simple_nn v0.1.0 (/source)
Oct 26 18:55:52.743 INFO kablam! warning: unused arithmetic operation that must be used
Oct 26 18:55:52.743 INFO kablam!   --> tests/linalg_matrix.rs:35:5
Oct 26 18:55:52.743 INFO kablam!    |
Oct 26 18:55:52.743 INFO kablam! 35 |     &matrix + &other;
Oct 26 18:55:52.743 INFO kablam!    |     ^^^^^^^^^^^^^^^^
Oct 26 18:55:52.743 INFO kablam!    |
Oct 26 18:55:52.743 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 26 18:55:52.743 INFO kablam! 
Oct 26 18:55:52.944 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
Oct 26 18:55:52.949 INFO kablam! su: No module specific data is present
Oct 26 18:55:54.316 INFO running `"docker" "rm" "-f" "3d95acdb237326bc7040790b64c2e589334a74dfd15232a248d9b72feeeea1fb"`
Oct 26 18:55:54.560 INFO blam! 3d95acdb237326bc7040790b64c2e589334a74dfd15232a248d9b72feeeea1fb