Dec 17 11:20:23.032 INFO checking yoshuawuyts/exponential-backoff against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 11:20:23.036 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/yoshuawuyts/exponential-backoff:/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 17 11:20:23.424 INFO [stdout] 1fd10db18693e8bae6bbe090c164da9e932cb10339ef4c4dd02fef16b6ba3c99
Dec 17 11:20:23.426 INFO running `"docker" "start" "-a" "1fd10db18693e8bae6bbe090c164da9e932cb10339ef4c4dd02fef16b6ba3c99"`
Dec 17 11:20:25.306 INFO [stderr]     Checking rand v0.5.3
Dec 17 11:20:27.582 INFO [stderr]     Checking exponential-backoff v0.2.3-alpha.0 (/opt/crater/workdir)
Dec 17 11:20:28.157 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
Dec 17 11:20:29.736 INFO running `"docker" "inspect" "1fd10db18693e8bae6bbe090c164da9e932cb10339ef4c4dd02fef16b6ba3c99"`
Dec 17 11:20:30.015 INFO running `"docker" "rm" "-f" "1fd10db18693e8bae6bbe090c164da9e932cb10339ef4c4dd02fef16b6ba3c99"`
Dec 17 11:20:30.442 INFO [stdout] 1fd10db18693e8bae6bbe090c164da9e932cb10339ef4c4dd02fef16b6ba3c99