Dec 18 08:19:16.371 INFO checking BurntSushi/rust-error-handling-case-study against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:19:16.371 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/BurntSushi/rust-error-handling-case-study:/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 08:19:16.716 INFO [stdout] 7eb131bd7e9960900030e007d60390314a0d6e7c7b870d76d1daccf911f43fda
Dec 18 08:19:16.718 INFO running `"docker" "start" "-a" "7eb131bd7e9960900030e007d60390314a0d6e7c7b870d76d1daccf911f43fda"`
Dec 18 08:19:18.328 INFO [stderr]     Checking docopt v0.6.86
Dec 18 08:19:19.732 INFO [stderr]     Checking city-pop v0.1.0 (/opt/crater/workdir)
Dec 18 08:19:20.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
Dec 18 08:19:21.220 INFO running `"docker" "inspect" "7eb131bd7e9960900030e007d60390314a0d6e7c7b870d76d1daccf911f43fda"`
Dec 18 08:19:21.414 INFO running `"docker" "rm" "-f" "7eb131bd7e9960900030e007d60390314a0d6e7c7b870d76d1daccf911f43fda"`
Dec 18 08:19:21.510 INFO [stdout] 7eb131bd7e9960900030e007d60390314a0d6e7c7b870d76d1daccf911f43fda