Dec 17 21:17:31.285 INFO checking kojole/benchmark-concurrent-io against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 21:17:31.285 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/kojole/benchmark-concurrent-io:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:17:31.955 INFO [stdout] 6fa8ab0b43c3b2ca82bab46d3928aa51051bfa2521d79a7e418dcb6b75763258
Dec 17 21:17:31.958 INFO running `"docker" "start" "-a" "6fa8ab0b43c3b2ca82bab46d3928aa51051bfa2521d79a7e418dcb6b75763258"`
Dec 17 21:17:34.477 INFO [stderr]     Checking docopt v1.0.0
Dec 17 21:17:35.916 INFO [stderr]     Checking conio v0.1.0 (/opt/crater/workdir)
Dec 17 21:17:37.304 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
Dec 17 21:17:37.887 INFO running `"docker" "inspect" "6fa8ab0b43c3b2ca82bab46d3928aa51051bfa2521d79a7e418dcb6b75763258"`
Dec 17 21:17:38.063 INFO running `"docker" "rm" "-f" "6fa8ab0b43c3b2ca82bab46d3928aa51051bfa2521d79a7e418dcb6b75763258"`
Dec 17 21:17:38.380 INFO [stdout] 6fa8ab0b43c3b2ca82bab46d3928aa51051bfa2521d79a7e418dcb6b75763258