Dec 05 13:57:15.264 INFO checking fastcgi-1.0.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 13:57:15.264 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 13:57:15.739 INFO [stdout] c86d6449da8be64cfb246c2737a3f08064d21807993b54deeb1a4d4bfbb8c1e5
Dec 05 13:57:15.747 INFO running `"docker" "start" "-a" "c86d6449da8be64cfb246c2737a3f08064d21807993b54deeb1a4d4bfbb8c1e5"`
Dec 05 13:57:17.311 INFO [stderr] usermod: no changes
Dec 05 13:57:17.427 INFO [stderr]     Checking fastcgi v1.0.0 (/source)
Dec 05 13:57:18.679 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:57:18.679 INFO [stderr]    --> src/lib.rs:132:24
Dec 05 13:57:18.679 INFO [stderr]     |
Dec 05 13:57:18.679 INFO [stderr] 132 | fn write_len<W: Write>(mut w: &mut W, n: u32) -> io::Result<()> {
Dec 05 13:57:18.679 INFO [stderr]     |                        ----^
Dec 05 13:57:18.679 INFO [stderr]     |                        |
Dec 05 13:57:18.679 INFO [stderr]     |                        help: remove this `mut`
Dec 05 13:57:18.679 INFO [stderr]     |
Dec 05 13:57:18.695 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 13:57:18.695 INFO [stderr] 
Dec 05 13:57:19.027 INFO [stderr] warning: variable does not need to be mutable
Dec 05 13:57:19.027 INFO [stderr]    --> src/lib.rs:132:24
Dec 05 13:57:19.027 INFO [stderr]     |
Dec 05 13:57:19.027 INFO [stderr] 132 | fn write_len<W: Write>(mut w: &mut W, n: u32) -> io::Result<()> {
Dec 05 13:57:19.027 INFO [stderr]     |                        ----^
Dec 05 13:57:19.027 INFO [stderr]     |                        |
Dec 05 13:57:19.027 INFO [stderr]     |                        help: remove this `mut`
Dec 05 13:57:19.027 INFO [stderr]     |
Dec 05 13:57:19.027 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 13:57:19.027 INFO [stderr] 
Dec 05 13:57:19.599 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
Dec 05 13:57:19.602 INFO [stderr] su: No module specific data is present
Dec 05 13:57:20.510 INFO running `"docker" "inspect" "c86d6449da8be64cfb246c2737a3f08064d21807993b54deeb1a4d4bfbb8c1e5"`
Dec 05 13:57:20.775 INFO running `"docker" "rm" "-f" "c86d6449da8be64cfb246c2737a3f08064d21807993b54deeb1a4d4bfbb8c1e5"`
Dec 05 13:57:21.055 INFO [stdout] c86d6449da8be64cfb246c2737a3f08064d21807993b54deeb1a4d4bfbb8c1e5