Dec 18 16:35:16.382 INFO checking fastcgi-1.0.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:35:16.382 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:35:16.784 INFO [stdout] ee5035fb512d19cd1b032193f340d460945f3a73eef50c700777972a7d92627f
Dec 18 16:35:16.786 INFO running `"docker" "start" "-a" "ee5035fb512d19cd1b032193f340d460945f3a73eef50c700777972a7d92627f"`
Dec 18 16:35:17.566 INFO [stderr]     Checking fastcgi v1.0.0 (/opt/crater/workdir)
Dec 18 16:35:18.228 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:35:18.228 INFO [stderr]    --> src/lib.rs:132:24
Dec 18 16:35:18.228 INFO [stderr]     |
Dec 18 16:35:18.228 INFO [stderr] 132 | fn write_len<W: Write>(mut w: &mut W, n: u32) -> io::Result<()> {
Dec 18 16:35:18.228 INFO [stderr]     |                        ----^
Dec 18 16:35:18.228 INFO [stderr]     |                        |
Dec 18 16:35:18.228 INFO [stderr]     |                        help: remove this `mut`
Dec 18 16:35:18.228 INFO [stderr]     |
Dec 18 16:35:18.228 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 16:35:18.228 INFO [stderr] 
Dec 18 16:35:18.320 INFO [stderr] warning: variable does not need to be mutable
Dec 18 16:35:18.320 INFO [stderr]    --> src/lib.rs:132:24
Dec 18 16:35:18.320 INFO [stderr]     |
Dec 18 16:35:18.320 INFO [stderr] 132 | fn write_len<W: Write>(mut w: &mut W, n: u32) -> io::Result<()> {
Dec 18 16:35:18.320 INFO [stderr]     |                        ----^
Dec 18 16:35:18.320 INFO [stderr]     |                        |
Dec 18 16:35:18.320 INFO [stderr]     |                        help: remove this `mut`
Dec 18 16:35:18.326 INFO [stderr]     |
Dec 18 16:35:18.326 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 16:35:18.326 INFO [stderr] 
Dec 18 16:35:18.545 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 18 16:35:18.821 INFO running `"docker" "inspect" "ee5035fb512d19cd1b032193f340d460945f3a73eef50c700777972a7d92627f"`
Dec 18 16:35:18.910 INFO running `"docker" "rm" "-f" "ee5035fb512d19cd1b032193f340d460945f3a73eef50c700777972a7d92627f"`
Dec 18 16:35:19.059 INFO [stdout] ee5035fb512d19cd1b032193f340d460945f3a73eef50c700777972a7d92627f