Dec 19 19:55:05.663 INFO checking benwebber/tunnelblickctl against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:55:05.663 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/benwebber/tunnelblickctl:/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 19:55:06.122 INFO [stdout] f78f1be41fd597f9777447bf10726b360a3f4d4b94f8caf2a7e3e3b75bb020c1
Dec 19 19:55:06.124 INFO running `"docker" "start" "-a" "f78f1be41fd597f9777447bf10726b360a3f4d4b94f8caf2a7e3e3b75bb020c1"`
Dec 19 19:55:07.906 INFO [stderr]     Checking term_size v0.2.3
Dec 19 19:55:07.910 INFO [stderr]     Checking tabwriter v1.1.0
Dec 19 19:55:08.293 INFO [stderr]     Checking clap v2.19.3
Dec 19 19:55:13.046 INFO [stderr]     Checking tunnelblickctl v0.1.0 (/opt/crater/workdir)
Dec 19 19:55:14.088 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.27s
Dec 19 19:55:14.947 INFO running `"docker" "inspect" "f78f1be41fd597f9777447bf10726b360a3f4d4b94f8caf2a7e3e3b75bb020c1"`
Dec 19 19:55:15.394 INFO running `"docker" "rm" "-f" "f78f1be41fd597f9777447bf10726b360a3f4d4b94f8caf2a7e3e3b75bb020c1"`
Dec 19 19:55:15.728 INFO [stdout] f78f1be41fd597f9777447bf10726b360a3f4d4b94f8caf2a7e3e3b75bb020c1