Dec 05 08:15:12.252 INFO checking rgm-0.2.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 08:15:12.252 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 08:15:12.703 INFO [stdout] dca5d8c44d36b0c1063c6f6b2236867e8e81e50213c4bf0ee0fd53cd00a6518d
Dec 05 08:15:12.708 INFO running `"docker" "start" "-a" "dca5d8c44d36b0c1063c6f6b2236867e8e81e50213c4bf0ee0fd53cd00a6518d"`
Dec 05 08:15:14.223 INFO [stderr] usermod: no changes
Dec 05 08:15:14.359 INFO [stderr]    Compiling num-bigint v0.2.1
Dec 05 08:15:14.371 INFO [stderr]    Compiling structopt-derive v0.2.13
Dec 05 08:15:18.550 INFO [stderr]     Checking structopt v0.2.13
Dec 05 08:15:19.579 INFO [stderr]     Checking rgm v0.2.1 (/source)
Dec 05 08:15:22.927 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.67s
Dec 05 08:15:22.934 INFO [stderr] su: No module specific data is present
Dec 05 08:15:24.532 INFO running `"docker" "inspect" "dca5d8c44d36b0c1063c6f6b2236867e8e81e50213c4bf0ee0fd53cd00a6518d"`
Dec 05 08:15:24.827 INFO running `"docker" "rm" "-f" "dca5d8c44d36b0c1063c6f6b2236867e8e81e50213c4bf0ee0fd53cd00a6518d"`
Dec 05 08:15:25.119 INFO [stdout] dca5d8c44d36b0c1063c6f6b2236867e8e81e50213c4bf0ee0fd53cd00a6518d