Dec 18 00:57:23.328 INFO checking edidada/iron against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 00:57:23.328 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/gh/edidada/iron:/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 00:57:23.800 INFO [stdout] c3ade77903ee88ed0e9661f74d777ad1301c39d6451642d9ca7cfbedae98377e
Dec 18 00:57:23.804 INFO running `"docker" "start" "-a" "c3ade77903ee88ed0e9661f74d777ad1301c39d6451642d9ca7cfbedae98377e"`
Dec 18 00:57:26.432 INFO [stderr]    Compiling mime_guess v1.8.6
Dec 18 00:57:31.132 INFO [stderr]     Checking iron v0.6.0
Dec 18 00:57:32.061 INFO [stderr]     Checking testiron v0.1.0 (/opt/crater/workdir)
Dec 18 00:57:32.391 INFO [stderr] warning: variant is never constructed: `East`
Dec 18 00:57:32.391 INFO [stderr]  --> src/main.rs:7:5
Dec 18 00:57:32.392 INFO [stderr]   |
Dec 18 00:57:32.392 INFO [stderr] 7 |     East,
Dec 18 00:57:32.392 INFO [stderr]   |     ^^^^
Dec 18 00:57:32.393 INFO [stderr]   |
Dec 18 00:57:32.393 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 00:57:32.393 INFO [stderr] 
Dec 18 00:57:32.394 INFO [stderr] warning: variant is never constructed: `West`
Dec 18 00:57:32.394 INFO [stderr]  --> src/main.rs:8:5
Dec 18 00:57:32.394 INFO [stderr]   |
Dec 18 00:57:32.394 INFO [stderr] 8 |     West,
Dec 18 00:57:32.394 INFO [stderr]   |     ^^^^
Dec 18 00:57:32.394 INFO [stderr] 
Dec 18 00:57:32.395 INFO [stderr] warning: variant is never constructed: `North`
Dec 18 00:57:32.395 INFO [stderr]  --> src/main.rs:9:5
Dec 18 00:57:32.395 INFO [stderr]   |
Dec 18 00:57:32.395 INFO [stderr] 9 |     North,
Dec 18 00:57:32.395 INFO [stderr]   |     ^^^^^
Dec 18 00:57:32.395 INFO [stderr] 
Dec 18 00:57:32.416 INFO [stderr] warning: variant is never constructed: `East`
Dec 18 00:57:32.416 INFO [stderr]  --> src/main.rs:7:5
Dec 18 00:57:32.416 INFO [stderr]   |
Dec 18 00:57:32.416 INFO [stderr] 7 |     East,
Dec 18 00:57:32.416 INFO [stderr]   |     ^^^^
Dec 18 00:57:32.416 INFO [stderr]   |
Dec 18 00:57:32.416 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 00:57:32.417 INFO [stderr] 
Dec 18 00:57:32.417 INFO [stderr] warning: variant is never constructed: `West`
Dec 18 00:57:32.417 INFO [stderr]  --> src/main.rs:8:5
Dec 18 00:57:32.417 INFO [stderr]   |
Dec 18 00:57:32.417 INFO [stderr] 8 |     West,
Dec 18 00:57:32.417 INFO [stderr]   |     ^^^^
Dec 18 00:57:32.417 INFO [stderr] 
Dec 18 00:57:32.417 INFO [stderr] warning: variant is never constructed: `North`
Dec 18 00:57:32.417 INFO [stderr]  --> src/main.rs:9:5
Dec 18 00:57:32.417 INFO [stderr]   |
Dec 18 00:57:32.417 INFO [stderr] 9 |     North,
Dec 18 00:57:32.417 INFO [stderr]   |     ^^^^^
Dec 18 00:57:32.417 INFO [stderr] 
Dec 18 00:57:32.452 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.18s
Dec 18 00:57:33.472 INFO running `"docker" "inspect" "c3ade77903ee88ed0e9661f74d777ad1301c39d6451642d9ca7cfbedae98377e"`
Dec 18 00:57:33.802 INFO running `"docker" "rm" "-f" "c3ade77903ee88ed0e9661f74d777ad1301c39d6451642d9ca7cfbedae98377e"`
Dec 18 00:57:34.128 INFO [stdout] c3ade77903ee88ed0e9661f74d777ad1301c39d6451642d9ca7cfbedae98377e