Dec 19 19:22:51.122 INFO checking by77er/umbreon against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:22:51.122 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/by77er/umbreon:/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 19:22:51.388 INFO [stdout] fa5b9bc783f91550fbe364894a85836da6b6c3861563fcf03d14838f3c396eeb
Dec 19 19:22:51.394 INFO running `"docker" "start" "-a" "fa5b9bc783f91550fbe364894a85836da6b6c3861563fcf03d14838f3c396eeb"`
Dec 19 19:22:52.428 INFO [stderr]    Compiling sys-info v0.5.6
Dec 19 19:22:53.974 INFO [stderr]     Checking umbreon v0.1.0 (/opt/crater/workdir)
Dec 19 19:22:54.938 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:22:54.938 INFO [stderr]   --> src/main.rs:95:9
Dec 19 19:22:54.938 INFO [stderr]    |
Dec 19 19:22:54.938 INFO [stderr] 95 |     let mut ip = String::from(orig_ip);
Dec 19 19:22:54.938 INFO [stderr]    |         ----^^
Dec 19 19:22:54.938 INFO [stderr]    |         |
Dec 19 19:22:54.938 INFO [stderr]    |         help: remove this `mut`
Dec 19 19:22:54.938 INFO [stderr]    |
Dec 19 19:22:54.938 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 19:22:54.944 INFO [stderr] 
Dec 19 19:22:54.944 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:22:54.944 INFO [stderr]   --> src/main.rs:96:9
Dec 19 19:22:54.944 INFO [stderr]    |
Dec 19 19:22:54.944 INFO [stderr] 96 |     let mut port = String::from(orig_port);
Dec 19 19:22:54.944 INFO [stderr]    |         ----^^^^
Dec 19 19:22:54.944 INFO [stderr]    |         |
Dec 19 19:22:54.944 INFO [stderr]    |         help: remove this `mut`
Dec 19 19:22:54.944 INFO [stderr] 
Dec 19 19:22:54.944 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:22:54.944 INFO [stderr]   --> src/main.rs:97:9
Dec 19 19:22:54.944 INFO [stderr]    |
Dec 19 19:22:54.944 INFO [stderr] 97 |     let mut sleep = orig_sleep;
Dec 19 19:22:54.944 INFO [stderr]    |         ----^^^^^
Dec 19 19:22:54.944 INFO [stderr]    |         |
Dec 19 19:22:54.945 INFO [stderr]    |         help: remove this `mut`
Dec 19 19:22:54.945 INFO [stderr] 
Dec 19 19:22:54.998 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:22:54.999 INFO [stderr]   --> src/main.rs:95:9
Dec 19 19:22:54.999 INFO [stderr]    |
Dec 19 19:22:54.999 INFO [stderr] 95 |     let mut ip = String::from(orig_ip);
Dec 19 19:22:54.999 INFO [stderr]    |         ----^^
Dec 19 19:22:54.999 INFO [stderr]    |         |
Dec 19 19:22:54.999 INFO [stderr]    |         help: remove this `mut`
Dec 19 19:22:54.999 INFO [stderr]    |
Dec 19 19:22:54.999 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 19:22:54.999 INFO [stderr] 
Dec 19 19:22:54.999 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:22:54.999 INFO [stderr]   --> src/main.rs:96:9
Dec 19 19:22:54.999 INFO [stderr]    |
Dec 19 19:22:54.999 INFO [stderr] 96 |     let mut port = String::from(orig_port);
Dec 19 19:22:54.999 INFO [stderr]    |         ----^^^^
Dec 19 19:22:54.999 INFO [stderr]    |         |
Dec 19 19:22:54.999 INFO [stderr]    |         help: remove this `mut`
Dec 19 19:22:54.999 INFO [stderr] 
Dec 19 19:22:54.999 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:22:54.999 INFO [stderr]   --> src/main.rs:97:9
Dec 19 19:22:54.999 INFO [stderr]    |
Dec 19 19:22:54.999 INFO [stderr] 97 |     let mut sleep = orig_sleep;
Dec 19 19:22:54.999 INFO [stderr]    |         ----^^^^^
Dec 19 19:22:54.999 INFO [stderr]    |         |
Dec 19 19:22:54.999 INFO [stderr]    |         help: remove this `mut`
Dec 19 19:22:54.999 INFO [stderr] 
Dec 19 19:22:55.043 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
Dec 19 19:22:56.320 INFO running `"docker" "inspect" "fa5b9bc783f91550fbe364894a85836da6b6c3861563fcf03d14838f3c396eeb"`
Dec 19 19:22:56.595 INFO running `"docker" "rm" "-f" "fa5b9bc783f91550fbe364894a85836da6b6c3861563fcf03d14838f3c396eeb"`
Dec 19 19:22:56.907 INFO [stdout] fa5b9bc783f91550fbe364894a85836da6b6c3861563fcf03d14838f3c396eeb