Dec 19 11:55:26.400 INFO checking nethad/rust-api-example against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 11:55:26.401 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/nethad/rust-api-example:/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 11:55:26.922 INFO [stdout] a6e1405e7608fc7d7254ede0e51032b312b739192b4950ac87e472d6cf11c5cc
Dec 19 11:55:26.924 INFO running `"docker" "start" "-a" "a6e1405e7608fc7d7254ede0e51032b312b739192b4950ac87e472d6cf11c5cc"`
Dec 19 11:55:29.476 INFO [stderr]     Checking hyper v0.10.10
Dec 19 11:55:33.029 INFO [stderr]     Checking iron v0.5.1
Dec 19 11:55:33.770 INFO [stderr]     Checking api-test v0.1.0 (/opt/crater/workdir)
Dec 19 11:55:34.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.52s
Dec 19 11:55:36.321 INFO running `"docker" "inspect" "a6e1405e7608fc7d7254ede0e51032b312b739192b4950ac87e472d6cf11c5cc"`
Dec 19 11:55:36.578 INFO running `"docker" "rm" "-f" "a6e1405e7608fc7d7254ede0e51032b312b739192b4950ac87e472d6cf11c5cc"`
Dec 19 11:55:36.960 INFO [stdout] a6e1405e7608fc7d7254ede0e51032b312b739192b4950ac87e472d6cf11c5cc