Dec 19 15:41:43.704 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-generics-impl against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:41:43.704 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/intrepion/example-x-rust-x-rustbyexample-com-x-generics-impl:/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 15:41:43.893 INFO [stdout] 96042b7c21e6fe37c4cfddee33c30a8e456c8ba185ce7dc90dd32c2a8858eb66
Dec 19 15:41:43.895 INFO running `"docker" "start" "-a" "96042b7c21e6fe37c4cfddee33c30a8e456c8ba185ce7dc90dd32c2a8858eb66"`
Dec 19 15:41:44.571 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-generics-impl v0.1.0 (/opt/crater/workdir)
Dec 19 15:41:44.738 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
Dec 19 15:41:44.978 INFO running `"docker" "inspect" "96042b7c21e6fe37c4cfddee33c30a8e456c8ba185ce7dc90dd32c2a8858eb66"`
Dec 19 15:41:45.083 INFO running `"docker" "rm" "-f" "96042b7c21e6fe37c4cfddee33c30a8e456c8ba185ce7dc90dd32c2a8858eb66"`
Dec 19 15:41:45.197 INFO [stdout] 96042b7c21e6fe37c4cfddee33c30a8e456c8ba185ce7dc90dd32c2a8858eb66