Dec 11 07:50:07.709 INFO checking thomwiggers/decoder against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 07:50:07.709 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 07:50:08.280 INFO [stdout] a5896bec32dbd513f6f7fe53706a181a46ca105991b6a4d7e2cf65924687630d
Dec 11 07:50:08.282 INFO running `"docker" "start" "-a" "a5896bec32dbd513f6f7fe53706a181a46ca105991b6a4d7e2cf65924687630d"`
Dec 11 07:50:09.736 INFO [stderr] usermod: no changes
Dec 11 07:50:09.852 INFO [stderr]     Checking zero_one v0.1.0 (/source/zero_one)
Dec 11 07:50:10.256 INFO [stderr]     Checking bit_vector v0.1.0 (/source/bit_vector)
Dec 11 07:50:10.672 INFO [stderr]     Checking matrix v0.1.0 (/source/matrix)
Dec 11 07:50:12.080 INFO [stderr]     Checking decoder v0.1.0 (/source)
Dec 11 07:50:12.624 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 07:50:12.624 INFO [stderr]    --> matrix/src/vector.rs:240:9
Dec 11 07:50:12.624 INFO [stderr]     |
Dec 11 07:50:12.624 INFO [stderr] 240 |         &Vector::from_vec(vec![0]) + &Vector::from_vec(vec![0, 1]);
Dec 11 07:50:12.624 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:12.624 INFO [stderr]     |
Dec 11 07:50:12.624 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 07:50:12.624 INFO [stderr] 
Dec 11 07:50:12.624 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 07:50:12.624 INFO [stderr]    --> matrix/src/vector.rs:246:9
Dec 11 07:50:12.624 INFO [stderr]     |
Dec 11 07:50:12.624 INFO [stderr] 246 |         &Vector::from_vec(vec![0]) - &Vector::from_vec(vec![0, 1]);
Dec 11 07:50:12.624 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:50:12.624 INFO [stderr] 
Dec 11 07:50:12.628 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 07:50:12.628 INFO [stderr]    --> matrix/src/matrix.rs:471:9
Dec 11 07:50:12.628 INFO [stderr]     |
Dec 11 07:50:12.628 INFO [stderr] 471 |         m1 + m2;
Dec 11 07:50:12.628 INFO [stderr]     |         ^^^^^^^
Dec 11 07:50:12.628 INFO [stderr] 
Dec 11 07:50:12.628 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 07:50:12.628 INFO [stderr]    --> matrix/src/matrix.rs:479:9
Dec 11 07:50:12.628 INFO [stderr]     |
Dec 11 07:50:12.628 INFO [stderr] 479 |         m1 + m2;
Dec 11 07:50:12.628 INFO [stderr]     |         ^^^^^^^
Dec 11 07:50:12.628 INFO [stderr] 
Dec 11 07:50:12.779 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
Dec 11 07:50:12.793 INFO [stderr] su: No module specific data is present
Dec 11 07:50:13.948 INFO running `"docker" "inspect" "a5896bec32dbd513f6f7fe53706a181a46ca105991b6a4d7e2cf65924687630d"`
Dec 11 07:50:14.238 INFO running `"docker" "rm" "-f" "a5896bec32dbd513f6f7fe53706a181a46ca105991b6a4d7e2cf65924687630d"`
Dec 11 07:50:14.576 INFO [stdout] a5896bec32dbd513f6f7fe53706a181a46ca105991b6a4d7e2cf65924687630d