Dec 18 11:11:22.725 INFO checking singletonum-derive-0.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:11:22.725 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/reg/singletonum-derive/0.2.0:/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 11:11:22.935 INFO [stdout] 0f5813f3c18334796fc645edffb2ac2b3c3514f70661587a781b3d7f77e41cb5
Dec 18 11:11:22.938 INFO running `"docker" "start" "-a" "0f5813f3c18334796fc645edffb2ac2b3c3514f70661587a781b3d7f77e41cb5"`
Dec 18 11:11:23.612 INFO [stderr]     Checking singletonum-derive v0.2.0 (/opt/crater/workdir)
Dec 18 11:11:24.147 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 11:11:24.147 INFO [stderr]  --> src/lib.rs:5:1
Dec 18 11:11:24.147 INFO [stderr]   |
Dec 18 11:11:24.147 INFO [stderr] 5 | #[macro_use]
Dec 18 11:11:24.147 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 11:11:24.147 INFO [stderr]   |
Dec 18 11:11:24.147 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:11:24.147 INFO [stderr] 
Dec 18 11:11:24.147 INFO [stderr] warning: unused import: `failure::Error`
Dec 18 11:11:24.147 INFO [stderr]  --> src/lib.rs:9:5
Dec 18 11:11:24.147 INFO [stderr]   |
Dec 18 11:11:24.147 INFO [stderr] 9 | use failure::Error;
Dec 18 11:11:24.147 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 18 11:11:24.147 INFO [stderr] 
Dec 18 11:11:24.181 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 11:11:24.181 INFO [stderr]  --> src/lib.rs:5:1
Dec 18 11:11:24.181 INFO [stderr]   |
Dec 18 11:11:24.181 INFO [stderr] 5 | #[macro_use]
Dec 18 11:11:24.181 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 11:11:24.181 INFO [stderr]   |
Dec 18 11:11:24.181 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:11:24.181 INFO [stderr] 
Dec 18 11:11:24.181 INFO [stderr] warning: unused import: `failure::Error`
Dec 18 11:11:24.181 INFO [stderr]  --> src/lib.rs:9:5
Dec 18 11:11:24.181 INFO [stderr]   |
Dec 18 11:11:24.181 INFO [stderr] 9 | use failure::Error;
Dec 18 11:11:24.181 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 18 11:11:24.181 INFO [stderr] 
Dec 18 11:11:24.272 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 18 11:11:24.666 INFO running `"docker" "inspect" "0f5813f3c18334796fc645edffb2ac2b3c3514f70661587a781b3d7f77e41cb5"`
Dec 18 11:11:24.864 INFO running `"docker" "rm" "-f" "0f5813f3c18334796fc645edffb2ac2b3c3514f70661587a781b3d7f77e41cb5"`
Dec 18 11:11:25.066 INFO [stdout] 0f5813f3c18334796fc645edffb2ac2b3c3514f70661587a781b3d7f77e41cb5