Dec 19 07:11:45.045 INFO checking thomwiggers/decoder against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 07:11:45.046 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/thomwiggers/decoder:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:11:45.421 INFO [stdout] f4af3259488082dca4d1f7822da7afcfd79d11812e8569ee7048e19b09d23783
Dec 19 07:11:45.426 INFO running `"docker" "start" "-a" "f4af3259488082dca4d1f7822da7afcfd79d11812e8569ee7048e19b09d23783"`
Dec 19 07:11:47.224 INFO [stderr]     Checking zero_one v0.1.0 (/opt/crater/workdir/zero_one)
Dec 19 07:11:47.504 INFO [stderr]     Checking bit_vector v0.1.0 (/opt/crater/workdir/bit_vector)
Dec 19 07:11:47.864 INFO [stderr]     Checking matrix v0.1.0 (/opt/crater/workdir/matrix)
Dec 19 07:11:49.281 INFO [stderr]     Checking decoder v0.1.0 (/opt/crater/workdir)
Dec 19 07:11:49.948 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 19 07:11:49.948 INFO [stderr]    --> matrix/src/vector.rs:240:9
Dec 19 07:11:49.948 INFO [stderr]     |
Dec 19 07:11:49.948 INFO [stderr] 240 |         &Vector::from_vec(vec![0]) + &Vector::from_vec(vec![0, 1]);
Dec 19 07:11:49.948 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:11:49.948 INFO [stderr]     |
Dec 19 07:11:49.948 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 07:11:49.948 INFO [stderr] 
Dec 19 07:11:49.948 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 19 07:11:49.948 INFO [stderr]    --> matrix/src/vector.rs:246:9
Dec 19 07:11:49.948 INFO [stderr]     |
Dec 19 07:11:49.948 INFO [stderr] 246 |         &Vector::from_vec(vec![0]) - &Vector::from_vec(vec![0, 1]);
Dec 19 07:11:49.948 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:11:49.948 INFO [stderr] 
Dec 19 07:11:49.955 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 19 07:11:49.955 INFO [stderr]    --> matrix/src/matrix.rs:471:9
Dec 19 07:11:49.955 INFO [stderr]     |
Dec 19 07:11:49.955 INFO [stderr] 471 |         m1 + m2;
Dec 19 07:11:49.955 INFO [stderr]     |         ^^^^^^^
Dec 19 07:11:49.955 INFO [stderr] 
Dec 19 07:11:49.955 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 19 07:11:49.955 INFO [stderr]    --> matrix/src/matrix.rs:479:9
Dec 19 07:11:49.956 INFO [stderr]     |
Dec 19 07:11:49.956 INFO [stderr] 479 |         m1 + m2;
Dec 19 07:11:49.956 INFO [stderr]     |         ^^^^^^^
Dec 19 07:11:49.956 INFO [stderr] 
Dec 19 07:11:49.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
Dec 19 07:11:50.998 INFO running `"docker" "inspect" "f4af3259488082dca4d1f7822da7afcfd79d11812e8569ee7048e19b09d23783"`
Dec 19 07:11:51.268 INFO running `"docker" "rm" "-f" "f4af3259488082dca4d1f7822da7afcfd79d11812e8569ee7048e19b09d23783"`
Dec 19 07:11:51.512 INFO [stdout] f4af3259488082dca4d1f7822da7afcfd79d11812e8569ee7048e19b09d23783