Dec 18 16:35:15.868 INFO checking fastcgi-1.0.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:35:15.869 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/fastcgi/1.0.0:/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 16:35:16.352 INFO [stdout] 462c846cf8385c3d666df23f51e216ee313963de02d84390cac9ab17af78d9bc
Dec 18 16:35:16.368 INFO running `"docker" "start" "-a" "462c846cf8385c3d666df23f51e216ee313963de02d84390cac9ab17af78d9bc"`
Dec 18 16:35:17.304 INFO [stderr]     Checking fastcgi v1.0.0 (/opt/crater/workdir)
Dec 18 16:35:17.825 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:35:17.825 INFO [stderr]    --> src/lib.rs:132:24
Dec 18 16:35:17.825 INFO [stderr]     |
Dec 18 16:35:17.825 INFO [stderr] 132 | fn write_len<W: Write>(mut w: &mut W, n: u32) -> io::Result<()> {
Dec 18 16:35:17.825 INFO [stderr]     |                        ----^
Dec 18 16:35:17.825 INFO [stderr]     |                        |
Dec 18 16:35:17.825 INFO [stderr]     |                        help: remove this `mut`
Dec 18 16:35:17.825 INFO [stderr]     |
Dec 18 16:35:17.825 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 16:35:17.825 INFO [stderr] 
Dec 18 16:35:17.940 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:35:17.942 INFO [stderr]    --> src/lib.rs:132:24
Dec 18 16:35:17.942 INFO [stderr]     |
Dec 18 16:35:17.942 INFO [stderr] 132 | fn write_len<W: Write>(mut w: &mut W, n: u32) -> io::Result<()> {
Dec 18 16:35:17.942 INFO [stderr]     |                        ----^
Dec 18 16:35:17.942 INFO [stderr]     |                        |
Dec 18 16:35:17.942 INFO [stderr]     |                        help: remove this `mut`
Dec 18 16:35:17.942 INFO [stderr]     |
Dec 18 16:35:17.942 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 16:35:17.942 INFO [stderr] 
Dec 18 16:35:18.213 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Dec 18 16:35:18.554 INFO running `"docker" "inspect" "462c846cf8385c3d666df23f51e216ee313963de02d84390cac9ab17af78d9bc"`
Dec 18 16:35:18.629 INFO running `"docker" "rm" "-f" "462c846cf8385c3d666df23f51e216ee313963de02d84390cac9ab17af78d9bc"`
Dec 18 16:35:18.789 INFO [stdout] 462c846cf8385c3d666df23f51e216ee313963de02d84390cac9ab17af78d9bc