Dec 19 15:54:03.634 INFO checking ibabushkin/gardengnomes against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:54:03.634 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ibabushkin/gardengnomes:/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 15:54:03.920 INFO [stdout] 54439302b07ef3db75e1aae6daec25e48d8ceda3343cdf0effb002e2bb0087f0
Dec 19 15:54:03.922 INFO running `"docker" "start" "-a" "54439302b07ef3db75e1aae6daec25e48d8ceda3343cdf0effb002e2bb0087f0"`
Dec 19 15:54:05.700 INFO [stderr]     Checking zero v0.1.2
Dec 19 15:54:05.908 INFO [stderr]     Checking xmas-elf v0.3.0
Dec 19 15:54:06.750 INFO [stderr]     Checking gardengnomes v0.1.0 (/opt/crater/workdir)
Dec 19 15:54:07.173 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Dec 19 15:54:07.455 INFO running `"docker" "inspect" "54439302b07ef3db75e1aae6daec25e48d8ceda3343cdf0effb002e2bb0087f0"`
Dec 19 15:54:07.542 INFO running `"docker" "rm" "-f" "54439302b07ef3db75e1aae6daec25e48d8ceda3343cdf0effb002e2bb0087f0"`
Dec 19 15:54:07.628 INFO [stdout] 54439302b07ef3db75e1aae6daec25e48d8ceda3343cdf0effb002e2bb0087f0