Dec 19 14:21:00.883 INFO checking kimikan/miox-plus against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:21:00.883 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:21:01.184 INFO [stdout] 305a15e48160185325c3de19dd51a3f8b025a81b84a0e47b1cec671ccecb5ef0
Dec 19 14:21:01.190 INFO running `"docker" "start" "-a" "305a15e48160185325c3de19dd51a3f8b025a81b84a0e47b1cec671ccecb5ef0"`
Dec 19 14:21:02.152 INFO [stderr]     Checking miox v0.1.0 (/opt/crater/workdir)
Dec 19 14:21:02.693 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:21:02.693 INFO [stderr]    --> src/server.rs:158:25
Dec 19 14:21:02.693 INFO [stderr]     |
Dec 19 14:21:02.693 INFO [stderr] 158 |             if let Some(mut c) = client_op {
Dec 19 14:21:02.693 INFO [stderr]     |                         ----^
Dec 19 14:21:02.693 INFO [stderr]     |                         |
Dec 19 14:21:02.693 INFO [stderr]     |                         help: remove this `mut`
Dec 19 14:21:02.693 INFO [stderr]     |
Dec 19 14:21:02.693 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 14:21:02.693 INFO [stderr] 
Dec 19 14:21:02.748 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:21:02.748 INFO [stderr]    --> src/server.rs:158:25
Dec 19 14:21:02.748 INFO [stderr]     |
Dec 19 14:21:02.748 INFO [stderr] 158 |             if let Some(mut c) = client_op {
Dec 19 14:21:02.748 INFO [stderr]     |                         ----^
Dec 19 14:21:02.748 INFO [stderr]     |                         |
Dec 19 14:21:02.749 INFO [stderr]     |                         help: remove this `mut`
Dec 19 14:21:02.749 INFO [stderr]     |
Dec 19 14:21:02.749 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 14:21:02.749 INFO [stderr] 
Dec 19 14:21:02.816 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 19 14:21:03.106 INFO running `"docker" "inspect" "305a15e48160185325c3de19dd51a3f8b025a81b84a0e47b1cec671ccecb5ef0"`
Dec 19 14:21:03.258 INFO running `"docker" "rm" "-f" "305a15e48160185325c3de19dd51a3f8b025a81b84a0e47b1cec671ccecb5ef0"`
Dec 19 14:21:03.411 INFO [stdout] 305a15e48160185325c3de19dd51a3f8b025a81b84a0e47b1cec671ccecb5ef0