Dec 12 11:45:26.585 INFO checking luther-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 11:45:26.585 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 11:45:26.908 INFO [stdout] b9a7b5ffe352075d500c9ca582f7f1c0ccf531f86ebaaa38a56b7f08106094a4
Dec 12 11:45:26.910 INFO running `"docker" "start" "-a" "b9a7b5ffe352075d500c9ca582f7f1c0ccf531f86ebaaa38a56b7f08106094a4"`
Dec 12 11:45:27.690 INFO [stderr] usermod: no changes
Dec 12 11:45:27.824 INFO [stderr]     Checking luther v0.1.0 (/source)
Dec 12 11:45:31.787 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 12 11:45:31.787 INFO [stderr]    --> src/span.rs:132:9
Dec 12 11:45:31.787 INFO [stderr]     |
Dec 12 11:45:31.788 INFO [stderr] 132 |         Location::new(usize::max_value()) + 3;
Dec 12 11:45:31.788 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:45:31.788 INFO [stderr]     |
Dec 12 11:45:31.789 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 11:45:31.789 INFO [stderr] 
Dec 12 11:45:32.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.57s
Dec 12 11:45:32.293 INFO [stderr] su: No module specific data is present
Dec 12 11:45:33.161 INFO running `"docker" "inspect" "b9a7b5ffe352075d500c9ca582f7f1c0ccf531f86ebaaa38a56b7f08106094a4"`
Dec 12 11:45:33.526 INFO running `"docker" "rm" "-f" "b9a7b5ffe352075d500c9ca582f7f1c0ccf531f86ebaaa38a56b7f08106094a4"`
Dec 12 11:45:33.852 INFO [stdout] b9a7b5ffe352075d500c9ca582f7f1c0ccf531f86ebaaa38a56b7f08106094a4