Dec 18 11:11:24.015 INFO checking singleton-derive-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:11:24.015 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/singleton-derive/0.1.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:11:24.365 INFO [stdout] 251c220f86e2774f94d42ec3850e288ac7c23d2bf03db4c49e0e59f7e54fd002
Dec 18 11:11:24.370 INFO running `"docker" "start" "-a" "251c220f86e2774f94d42ec3850e288ac7c23d2bf03db4c49e0e59f7e54fd002"`
Dec 18 11:11:25.624 INFO [stderr]     Checking singleton-derive v0.1.0 (/opt/crater/workdir)
Dec 18 11:11:26.048 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 11:11:26.048 INFO [stderr]  --> src/lib.rs:5:1
Dec 18 11:11:26.048 INFO [stderr]   |
Dec 18 11:11:26.048 INFO [stderr] 5 | #[macro_use]
Dec 18 11:11:26.048 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 11:11:26.048 INFO [stderr]   |
Dec 18 11:11:26.048 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:11:26.048 INFO [stderr] 
Dec 18 11:11:26.048 INFO [stderr] warning: unused import: `failure::Error`
Dec 18 11:11:26.048 INFO [stderr]  --> src/lib.rs:9:5
Dec 18 11:11:26.048 INFO [stderr]   |
Dec 18 11:11:26.048 INFO [stderr] 9 | use failure::Error;
Dec 18 11:11:26.048 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 18 11:11:26.048 INFO [stderr] 
Dec 18 11:11:26.188 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 11:11:26.188 INFO [stderr]  --> src/lib.rs:5:1
Dec 18 11:11:26.188 INFO [stderr]   |
Dec 18 11:11:26.188 INFO [stderr] 5 | #[macro_use]
Dec 18 11:11:26.188 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 11:11:26.188 INFO [stderr]   |
Dec 18 11:11:26.188 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:11:26.188 INFO [stderr] 
Dec 18 11:11:26.188 INFO [stderr] warning: unused import: `failure::Error`
Dec 18 11:11:26.188 INFO [stderr]  --> src/lib.rs:9:5
Dec 18 11:11:26.188 INFO [stderr]   |
Dec 18 11:11:26.188 INFO [stderr] 9 | use failure::Error;
Dec 18 11:11:26.188 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 18 11:11:26.188 INFO [stderr] 
Dec 18 11:11:26.257 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 18 11:11:26.566 INFO running `"docker" "inspect" "251c220f86e2774f94d42ec3850e288ac7c23d2bf03db4c49e0e59f7e54fd002"`
Dec 18 11:11:26.708 INFO running `"docker" "rm" "-f" "251c220f86e2774f94d42ec3850e288ac7c23d2bf03db4c49e0e59f7e54fd002"`
Dec 18 11:11:26.855 INFO [stdout] 251c220f86e2774f94d42ec3850e288ac7c23d2bf03db4c49e0e59f7e54fd002