Dec 18 12:39:44.739 INFO checking quantum-0.1.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:39:44.739 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/quantum/0.1.2:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:39:44.973 INFO [stdout] bfc2805a8fb2f5b8206c3b45e30ebe9c9b320f7b9a7ac5a33a89e6c6630d0c06
Dec 18 12:39:44.973 INFO running `"docker" "start" "-a" "bfc2805a8fb2f5b8206c3b45e30ebe9c9b320f7b9a7ac5a33a89e6c6630d0c06"`
Dec 18 12:39:45.643 INFO [stderr]     Checking float-cmp v0.2.5
Dec 18 12:39:46.003 INFO [stderr]     Checking quantum v0.1.2 (/opt/crater/workdir)
Dec 18 12:39:47.020 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:39:47.021 INFO [stderr]    --> src/matrix.rs:193:8
Dec 18 12:39:47.021 INFO [stderr]     |
Dec 18 12:39:47.021 INFO [stderr] 193 |    let mut m = m_real![1, 2; 3, 4];
Dec 18 12:39:47.022 INFO [stderr]     |        ----^
Dec 18 12:39:47.022 INFO [stderr]     |        |
Dec 18 12:39:47.022 INFO [stderr]     |        help: remove this `mut`
Dec 18 12:39:47.023 INFO [stderr]     |
Dec 18 12:39:47.023 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 12:39:47.023 INFO [stderr] 
Dec 18 12:39:47.024 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:39:47.024 INFO [stderr]    --> src/matrix.rs:203:9
Dec 18 12:39:47.024 INFO [stderr]     |
Dec 18 12:39:47.024 INFO [stderr] 203 |     let mut added = m_real![2, 4; 6, 8];
Dec 18 12:39:47.025 INFO [stderr]     |         ----^^^^^
Dec 18 12:39:47.025 INFO [stderr]     |         |
Dec 18 12:39:47.025 INFO [stderr]     |         help: remove this `mut`
Dec 18 12:39:47.026 INFO [stderr] 
Dec 18 12:39:47.026 INFO [stderr] warning: variable does not need to be mutable
Dec 18 12:39:47.026 INFO [stderr]    --> src/matrix.rs:205:9
Dec 18 12:39:47.026 INFO [stderr]     |
Dec 18 12:39:47.026 INFO [stderr] 205 |     let mut squared = m_real![7, 10; 15, 22];
Dec 18 12:39:47.026 INFO [stderr]     |         ----^^^^^^^
Dec 18 12:39:47.026 INFO [stderr]     |         |
Dec 18 12:39:47.026 INFO [stderr]     |         help: remove this `mut`
Dec 18 12:39:47.026 INFO [stderr] 
Dec 18 12:39:47.159 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
Dec 18 12:39:48.224 INFO running `"docker" "inspect" "bfc2805a8fb2f5b8206c3b45e30ebe9c9b320f7b9a7ac5a33a89e6c6630d0c06"`
Dec 18 12:39:48.598 INFO running `"docker" "rm" "-f" "bfc2805a8fb2f5b8206c3b45e30ebe9c9b320f7b9a7ac5a33a89e6c6630d0c06"`
Dec 18 12:39:48.893 INFO [stdout] bfc2805a8fb2f5b8206c3b45e30ebe9c9b320f7b9a7ac5a33a89e6c6630d0c06