Dec 17 21:27:35.867 INFO checking kimikan/miox-plus against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 21:27:35.867 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/kimikan/miox-plus:/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 17 21:27:36.133 INFO [stdout] 3418d73e5e415aa5aac68a2039e0fde7be35aaf2e83642c0f2eb344cbf8fc6f8
Dec 17 21:27:36.135 INFO running `"docker" "start" "-a" "3418d73e5e415aa5aac68a2039e0fde7be35aaf2e83642c0f2eb344cbf8fc6f8"`
Dec 17 21:27:37.229 INFO [stderr]     Checking miox v0.1.0 (/opt/crater/workdir)
Dec 17 21:27:37.848 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:27:37.848 INFO [stderr]    --> src/server.rs:158:25
Dec 17 21:27:37.848 INFO [stderr]     |
Dec 17 21:27:37.848 INFO [stderr] 158 |             if let Some(mut c) = client_op {
Dec 17 21:27:37.848 INFO [stderr]     |                         ----^
Dec 17 21:27:37.848 INFO [stderr]     |                         |
Dec 17 21:27:37.848 INFO [stderr]     |                         help: remove this `mut`
Dec 17 21:27:37.848 INFO [stderr]     |
Dec 17 21:27:37.848 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 21:27:37.848 INFO [stderr] 
Dec 17 21:27:37.871 INFO [stderr] warning: variable does not need to be mutable
Dec 17 21:27:37.871 INFO [stderr]    --> src/server.rs:158:25
Dec 17 21:27:37.871 INFO [stderr]     |
Dec 17 21:27:37.871 INFO [stderr] 158 |             if let Some(mut c) = client_op {
Dec 17 21:27:37.871 INFO [stderr]     |                         ----^
Dec 17 21:27:37.871 INFO [stderr]     |                         |
Dec 17 21:27:37.871 INFO [stderr]     |                         help: remove this `mut`
Dec 17 21:27:37.871 INFO [stderr]     |
Dec 17 21:27:37.871 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 17 21:27:37.871 INFO [stderr] 
Dec 17 21:27:37.992 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 17 21:27:39.054 INFO running `"docker" "inspect" "3418d73e5e415aa5aac68a2039e0fde7be35aaf2e83642c0f2eb344cbf8fc6f8"`
Dec 17 21:27:39.284 INFO running `"docker" "rm" "-f" "3418d73e5e415aa5aac68a2039e0fde7be35aaf2e83642c0f2eb344cbf8fc6f8"`
Dec 17 21:27:39.563 INFO [stdout] 3418d73e5e415aa5aac68a2039e0fde7be35aaf2e83642c0f2eb344cbf8fc6f8