Dec 19 15:37:00.828 INFO checking ischaaf/rust-sandbox against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:37:00.828 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ischaaf/rust-sandbox:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:37:01.203 INFO [stdout] e437a80ab419152b22d91dc148cdf436b9fba16c6f1c6be61c112db74f6149cb
Dec 19 15:37:01.205 INFO running `"docker" "start" "-a" "e437a80ab419152b22d91dc148cdf436b9fba16c6f1c6be61c112db74f6149cb"`
Dec 19 15:37:03.536 INFO [stderr]    Compiling serde_derive v1.0.71
Dec 19 15:37:15.888 INFO [stderr]     Checking rust-sandbox v0.1.0 (/opt/crater/workdir)
Dec 19 15:37:16.624 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.17s
Dec 19 15:37:17.222 INFO running `"docker" "inspect" "e437a80ab419152b22d91dc148cdf436b9fba16c6f1c6be61c112db74f6149cb"`
Dec 19 15:37:17.338 INFO running `"docker" "rm" "-f" "e437a80ab419152b22d91dc148cdf436b9fba16c6f1c6be61c112db74f6149cb"`
Dec 19 15:37:17.672 INFO [stdout] e437a80ab419152b22d91dc148cdf436b9fba16c6f1c6be61c112db74f6149cb