Dec 04 17:03:54.189 INFO checking jD91mZM2/numcoder against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:03:54.189 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 17:03:54.496 INFO [stdout] 97bbeabc774a3e282b24eeffd400e5f34b605354bf5458cd000f4e28832b3cf4
Dec 04 17:03:54.498 INFO running `"docker" "start" "-a" "97bbeabc774a3e282b24eeffd400e5f34b605354bf5458cd000f4e28832b3cf4"`
Dec 04 17:03:56.123 INFO [stderr] usermod: no changes
Dec 04 17:03:56.251 INFO [stderr]     Checking num-complex v0.1.37
Dec 04 17:03:56.255 INFO [stderr]     Checking num-bigint v0.1.37
Dec 04 17:03:57.787 INFO [stderr]     Checking num-rational v0.1.36
Dec 04 17:03:58.483 INFO [stderr]     Checking num v0.1.37
Dec 04 17:03:58.843 INFO [stderr]     Checking numcoder v0.1.0 (/source)
Dec 04 17:03:59.787 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
Dec 04 17:03:59.790 INFO [stderr] su: No module specific data is present
Dec 04 17:04:00.736 INFO running `"docker" "inspect" "97bbeabc774a3e282b24eeffd400e5f34b605354bf5458cd000f4e28832b3cf4"`
Dec 04 17:04:01.103 INFO running `"docker" "rm" "-f" "97bbeabc774a3e282b24eeffd400e5f34b605354bf5458cd000f4e28832b3cf4"`
Dec 04 17:04:01.416 INFO [stdout] 97bbeabc774a3e282b24eeffd400e5f34b605354bf5458cd000f4e28832b3cf4