Dec 18 14:45:37.834 INFO checking json_config-0.1.4 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:45:37.835 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/json_config/0.1.4:/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 14:45:38.426 INFO [stdout] 4b62a55071ce4ce5b1c244d428a549c0fc069b6904f4fb6f8ff76a8ab3d6138d
Dec 18 14:45:38.432 INFO running `"docker" "start" "-a" "4b62a55071ce4ce5b1c244d428a549c0fc069b6904f4fb6f8ff76a8ab3d6138d"`
Dec 18 14:45:39.557 INFO [stderr]     Checking json_config v0.1.4 (/opt/crater/workdir)
Dec 18 14:45:40.007 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 18 14:45:40.318 INFO running `"docker" "inspect" "4b62a55071ce4ce5b1c244d428a549c0fc069b6904f4fb6f8ff76a8ab3d6138d"`
Dec 18 14:45:40.425 INFO running `"docker" "rm" "-f" "4b62a55071ce4ce5b1c244d428a549c0fc069b6904f4fb6f8ff76a8ab3d6138d"`
Dec 18 14:45:40.546 INFO [stdout] 4b62a55071ce4ce5b1c244d428a549c0fc069b6904f4fb6f8ff76a8ab3d6138d