Dec 18 16:44:50.754 INFO checking env-lang-1.0.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:44:50.754 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/reg/env-lang/1.0.0:/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 16:44:50.943 INFO [stdout] 1c6d854197fb015e2fded18803bd7f49bf2b4c6d0955ca229d8cf65bf43aadff
Dec 18 16:44:50.945 INFO running `"docker" "start" "-a" "1c6d854197fb015e2fded18803bd7f49bf2b4c6d0955ca229d8cf65bf43aadff"`
Dec 18 16:44:51.451 INFO [stderr]     Checking env-lang v1.0.0 (/opt/crater/workdir)
Dec 18 16:44:52.060 INFO [stderr] warning: unused import: `failure::Fail`
Dec 18 16:44:52.060 INFO [stderr]   --> src/lib.rs:37:5
Dec 18 16:44:52.060 INFO [stderr]    |
Dec 18 16:44:52.060 INFO [stderr] 37 | use failure::Fail;
Dec 18 16:44:52.060 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 16:44:52.060 INFO [stderr]    |
Dec 18 16:44:52.060 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 16:44:52.060 INFO [stderr] 
Dec 18 16:44:52.112 INFO [stderr] warning: unused import: `failure::Fail`
Dec 18 16:44:52.112 INFO [stderr]   --> src/lib.rs:37:5
Dec 18 16:44:52.112 INFO [stderr]    |
Dec 18 16:44:52.112 INFO [stderr] 37 | use failure::Fail;
Dec 18 16:44:52.112 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 16:44:52.112 INFO [stderr]    |
Dec 18 16:44:52.112 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 16:44:52.112 INFO [stderr] 
Dec 18 16:44:52.624 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Dec 18 16:44:52.853 INFO running `"docker" "inspect" "1c6d854197fb015e2fded18803bd7f49bf2b4c6d0955ca229d8cf65bf43aadff"`
Dec 18 16:44:52.907 INFO running `"docker" "rm" "-f" "1c6d854197fb015e2fded18803bd7f49bf2b4c6d0955ca229d8cf65bf43aadff"`
Dec 18 16:44:53.006 INFO [stdout] 1c6d854197fb015e2fded18803bd7f49bf2b4c6d0955ca229d8cf65bf43aadff