Dec 17 14:38:56.612 INFO checking steveklabnik/echo against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 14:38:56.612 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/steveklabnik/echo:/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 14:38:57.014 INFO [stdout] 209ffe4338633cc2b1bbd5454b0ba963dec33a0d119ba71e28a9db6daee4935d
Dec 17 14:38:57.024 INFO running `"docker" "start" "-a" "209ffe4338633cc2b1bbd5454b0ba963dec33a0d119ba71e28a9db6daee4935d"`
Dec 17 14:38:59.633 INFO [stderr]     Checking echo v0.1.0 (/opt/crater/workdir)
Dec 17 14:38:59.856 INFO [stderr] warning: unused variable: `e`
Dec 17 14:38:59.856 INFO [stderr]   --> src/main.rs:44:17
Dec 17 14:38:59.856 INFO [stderr]    |
Dec 17 14:38:59.856 INFO [stderr] 44 |             Err(e) => { /* connection failed */ }
Dec 17 14:38:59.856 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 17 14:38:59.856 INFO [stderr]    |
Dec 17 14:38:59.856 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 14:38:59.856 INFO [stderr] 
Dec 17 14:38:59.976 INFO [stderr] warning: unused variable: `e`
Dec 17 14:38:59.976 INFO [stderr]   --> src/main.rs:44:17
Dec 17 14:38:59.976 INFO [stderr]    |
Dec 17 14:38:59.976 INFO [stderr] 44 |             Err(e) => { /* connection failed */ }
Dec 17 14:38:59.976 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 17 14:38:59.976 INFO [stderr]    |
Dec 17 14:38:59.976 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 14:38:59.976 INFO [stderr] 
Dec 17 14:39:00.023 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Dec 17 14:39:01.178 INFO running `"docker" "inspect" "209ffe4338633cc2b1bbd5454b0ba963dec33a0d119ba71e28a9db6daee4935d"`
Dec 17 14:39:01.516 INFO running `"docker" "rm" "-f" "209ffe4338633cc2b1bbd5454b0ba963dec33a0d119ba71e28a9db6daee4935d"`
Dec 17 14:39:01.852 INFO [stdout] 209ffe4338633cc2b1bbd5454b0ba963dec33a0d119ba71e28a9db6daee4935d