Nov 29 16:37:07.887 INFO checking thomwiggers/decoder against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 16:37:07.887 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 29 16:37:08.288 INFO [stdout] 7a16dcc9705381c99cc53be60ea4d1c4113e99ca2627a77b0ac8b2e18d39446e
Nov 29 16:37:08.296 INFO running `"docker" "start" "-a" "7a16dcc9705381c99cc53be60ea4d1c4113e99ca2627a77b0ac8b2e18d39446e"`
Nov 29 16:37:09.656 INFO [stderr] usermod: no changes
Nov 29 16:37:09.744 INFO [stderr]     Checking zero_one v0.1.0 (/source/zero_one)
Nov 29 16:37:10.116 INFO [stderr]     Checking bit_vector v0.1.0 (/source/bit_vector)
Nov 29 16:37:10.552 INFO [stderr]     Checking matrix v0.1.0 (/source/matrix)
Nov 29 16:37:11.996 INFO [stderr]     Checking decoder v0.1.0 (/source)
Nov 29 16:37:12.720 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 29 16:37:12.720 INFO [stderr]    --> matrix/src/vector.rs:240:9
Nov 29 16:37:12.720 INFO [stderr]     |
Nov 29 16:37:12.720 INFO [stderr] 240 |         &Vector::from_vec(vec![0]) + &Vector::from_vec(vec![0, 1]);
Nov 29 16:37:12.720 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:37:12.721 INFO [stderr]     |
Nov 29 16:37:12.721 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 16:37:12.721 INFO [stderr] 
Nov 29 16:37:12.721 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 29 16:37:12.721 INFO [stderr]    --> matrix/src/vector.rs:246:9
Nov 29 16:37:12.721 INFO [stderr]     |
Nov 29 16:37:12.721 INFO [stderr] 246 |         &Vector::from_vec(vec![0]) - &Vector::from_vec(vec![0, 1]);
Nov 29 16:37:12.721 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 16:37:12.721 INFO [stderr] 
Nov 29 16:37:12.721 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 29 16:37:12.721 INFO [stderr]    --> matrix/src/matrix.rs:471:9
Nov 29 16:37:12.721 INFO [stderr]     |
Nov 29 16:37:12.721 INFO [stderr] 471 |         m1 + m2;
Nov 29 16:37:12.721 INFO [stderr]     |         ^^^^^^^
Nov 29 16:37:12.721 INFO [stderr] 
Nov 29 16:37:12.721 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 29 16:37:12.721 INFO [stderr]    --> matrix/src/matrix.rs:479:9
Nov 29 16:37:12.721 INFO [stderr]     |
Nov 29 16:37:12.721 INFO [stderr] 479 |         m1 + m2;
Nov 29 16:37:12.721 INFO [stderr]     |         ^^^^^^^
Nov 29 16:37:12.721 INFO [stderr] 
Nov 29 16:37:12.760 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
Nov 29 16:37:12.760 INFO [stderr] su: No module specific data is present
Nov 29 16:37:13.400 INFO running `"docker" "inspect" "7a16dcc9705381c99cc53be60ea4d1c4113e99ca2627a77b0ac8b2e18d39446e"`
Nov 29 16:37:13.704 INFO running `"docker" "rm" "-f" "7a16dcc9705381c99cc53be60ea4d1c4113e99ca2627a77b0ac8b2e18d39446e"`
Nov 29 16:37:13.972 INFO [stdout] 7a16dcc9705381c99cc53be60ea4d1c4113e99ca2627a77b0ac8b2e18d39446e