Dec 12 05:34:23.225 INFO checking ucg-0.2.6 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 05:34:23.225 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 05:34:23.720 INFO [stdout] ad85c926291842287876130336dc7130d069783d02c3b7f09506962db9be3f68
Dec 12 05:34:23.728 INFO running `"docker" "start" "-a" "ad85c926291842287876130336dc7130d069783d02c3b7f09506962db9be3f68"`
Dec 12 05:34:25.360 INFO [stderr] usermod: no changes
Dec 12 05:34:25.532 INFO [stderr]     Checking simple-error v0.1.13
Dec 12 05:34:25.533 INFO [stderr]     Checking textwrap v0.8.0
Dec 12 05:34:25.533 INFO [stderr]     Checking backtrace v0.2.3
Dec 12 05:34:27.192 INFO [stderr]     Checking error-chain v0.5.0
Dec 12 05:34:27.224 INFO [stderr]     Checking clap v2.26.2
Dec 12 05:34:28.405 INFO [stderr]     Checking cpuprofiler v0.0.3
Dec 12 05:34:34.896 INFO [stderr]     Checking ucg v0.2.6 (/source)
Dec 12 05:34:46.611 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.22s
Dec 12 05:34:46.618 INFO [stderr] su: No module specific data is present
Dec 12 05:34:47.932 INFO running `"docker" "inspect" "ad85c926291842287876130336dc7130d069783d02c3b7f09506962db9be3f68"`
Dec 12 05:34:48.302 INFO running `"docker" "rm" "-f" "ad85c926291842287876130336dc7130d069783d02c3b7f09506962db9be3f68"`
Dec 12 05:34:48.600 INFO [stdout] ad85c926291842287876130336dc7130d069783d02c3b7f09506962db9be3f68