Dec 18 10:50:28.787 INFO checking stacktrace-0.2.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:50:28.787 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/stacktrace/0.2.1:/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 10:50:29.256 INFO [stdout] dee4b0cbbbbdcea802ed27f5df78c3c5c095950d78a55a80a64de06499443708
Dec 18 10:50:29.264 INFO running `"docker" "start" "-a" "dee4b0cbbbbdcea802ed27f5df78c3c5c095950d78a55a80a64de06499443708"`
Dec 18 10:50:31.184 INFO [stderr]     Checking backtrace v0.2.3
Dec 18 10:50:31.988 INFO [stderr]     Checking stacktrace v0.2.1 (/opt/crater/workdir)
Dec 18 10:50:33.336 INFO [stderr] warning: unused import: `std::fmt::Debug`
Dec 18 10:50:33.336 INFO [stderr]  --> examples/using_result/main.rs:3:5
Dec 18 10:50:33.336 INFO [stderr]   |
Dec 18 10:50:33.336 INFO [stderr] 3 | use std::fmt::Debug;
Dec 18 10:50:33.336 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 18 10:50:33.336 INFO [stderr]   |
Dec 18 10:50:33.336 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 10:50:33.336 INFO [stderr] 
Dec 18 10:50:33.464 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
Dec 18 10:50:34.318 INFO running `"docker" "inspect" "dee4b0cbbbbdcea802ed27f5df78c3c5c095950d78a55a80a64de06499443708"`
Dec 18 10:50:34.602 INFO running `"docker" "rm" "-f" "dee4b0cbbbbdcea802ed27f5df78c3c5c095950d78a55a80a64de06499443708"`
Dec 18 10:50:35.072 INFO [stdout] dee4b0cbbbbdcea802ed27f5df78c3c5c095950d78a55a80a64de06499443708