Dec 19 18:28:12.044 INFO checking dan-f/blockchain against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:28:12.044 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/dan-f/blockchain:/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 18:28:12.534 INFO [stdout] 7192032a5a8681f026702eba3b267aca082347f0e221626fb472d1c79d0472cf
Dec 19 18:28:12.541 INFO running `"docker" "start" "-a" "7192032a5a8681f026702eba3b267aca082347f0e221626fb472d1c79d0472cf"`
Dec 19 18:28:14.061 INFO [stderr]    Compiling openssl v0.10.10
Dec 19 18:28:14.066 INFO [stderr]     Checking bincode v1.0.0
Dec 19 18:28:18.616 INFO [stderr]     Checking crypto-hash v0.3.1
Dec 19 18:28:18.940 INFO [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
Dec 19 18:28:19.978 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
Dec 19 18:28:20.490 INFO running `"docker" "inspect" "7192032a5a8681f026702eba3b267aca082347f0e221626fb472d1c79d0472cf"`
Dec 19 18:28:20.774 INFO running `"docker" "rm" "-f" "7192032a5a8681f026702eba3b267aca082347f0e221626fb472d1c79d0472cf"`
Dec 19 18:28:20.958 INFO [stdout] 7192032a5a8681f026702eba3b267aca082347f0e221626fb472d1c79d0472cf