Dec 19 09:54:54.454 INFO checking royaltm/example_mockup_internal against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:54:54.454 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/royaltm/example_mockup_internal:/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 09:54:55.019 INFO [stdout] 257dd2d0e67e7714181ed358d529d0696755a51627dc84af3524921112501398
Dec 19 09:54:55.028 INFO running `"docker" "start" "-a" "257dd2d0e67e7714181ed358d529d0696755a51627dc84af3524921112501398"`
Dec 19 09:54:56.616 INFO [stderr]     Checking bincode v1.0.1
Dec 19 09:54:56.616 INFO [stderr]    Compiling syn v0.15.8
Dec 19 09:55:06.691 INFO [stderr]    Compiling serde_derive v1.0.79
Dec 19 09:55:16.960 INFO [stderr]     Checking mhc v0.1.0 (/opt/crater/workdir)
Dec 19 09:55:17.279 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.75s
Dec 19 09:55:17.531 INFO running `"docker" "inspect" "257dd2d0e67e7714181ed358d529d0696755a51627dc84af3524921112501398"`
Dec 19 09:55:17.660 INFO running `"docker" "rm" "-f" "257dd2d0e67e7714181ed358d529d0696755a51627dc84af3524921112501398"`
Dec 19 09:55:17.764 INFO [stdout] 257dd2d0e67e7714181ed358d529d0696755a51627dc84af3524921112501398