Dec 05 06:00:04.638 INFO checking structopt-flags-0.2.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 06:00:04.638 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 06:00:05.082 INFO [stdout] ec6e9879a95aa67278f59a35e4c25145e0ccfdcbe22647afd0d749472c769266
Dec 05 06:00:05.084 INFO running `"docker" "start" "-a" "ec6e9879a95aa67278f59a35e4c25145e0ccfdcbe22647afd0d749472c769266"`
Dec 05 06:00:06.232 INFO [stderr] usermod: no changes
Dec 05 06:00:06.471 INFO [stderr]    Compiling serde v1.0.80
Dec 05 06:00:06.472 INFO [stderr]     Checking semver v0.9.0
Dec 05 06:00:08.299 INFO [stderr]     Checking cargo_metadata v0.6.3
Dec 05 06:00:11.731 INFO [stderr]     Checking skeptic v0.13.4
Dec 05 06:00:20.087 INFO [stderr]    Compiling serde_json v1.0.33
Dec 05 06:00:34.539 INFO [stderr]    Compiling structopt-flags v0.2.1 (/source)
Dec 05 06:00:50.599 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.34s
Dec 05 06:00:50.611 INFO [stderr] su: No module specific data is present
Dec 05 06:00:51.203 INFO running `"docker" "inspect" "ec6e9879a95aa67278f59a35e4c25145e0ccfdcbe22647afd0d749472c769266"`
Dec 05 06:00:51.471 INFO running `"docker" "rm" "-f" "ec6e9879a95aa67278f59a35e4c25145e0ccfdcbe22647afd0d749472c769266"`
Dec 05 06:00:51.719 INFO [stdout] ec6e9879a95aa67278f59a35e4c25145e0ccfdcbe22647afd0d749472c769266