Dec 05 13:50:51.437 INFO checking finalfrontier-0.2.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 13:50:51.437 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 13:50:51.894 INFO [stdout] 5b7c527a664a1f41bc1695af4c3d176cbd045a5303d4d2e64d94cee12ee7093d
Dec 05 13:50:51.896 INFO running `"docker" "start" "-a" "5b7c527a664a1f41bc1695af4c3d176cbd045a5303d4d2e64d94cee12ee7093d"`
Dec 05 13:50:54.470 INFO [stderr] usermod: no changes
Dec 05 13:50:54.671 INFO [stderr]     Checking zipf v3.0.0
Dec 05 13:50:54.671 INFO [stderr]     Checking ndarray v0.11.2
Dec 05 13:51:03.266 INFO [stderr]     Checking ndarray-rand v0.7.0
Dec 05 13:51:03.266 INFO [stderr]     Checking hogwild v0.2.0
Dec 05 13:51:04.859 INFO [stderr]     Checking finalfrontier v0.2.0 (/source)
Dec 05 13:51:08.183 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.69s
Dec 05 13:51:08.191 INFO [stderr] su: No module specific data is present
Dec 05 13:51:08.633 INFO running `"docker" "inspect" "5b7c527a664a1f41bc1695af4c3d176cbd045a5303d4d2e64d94cee12ee7093d"`
Dec 05 13:51:08.807 INFO running `"docker" "rm" "-f" "5b7c527a664a1f41bc1695af4c3d176cbd045a5303d4d2e64d94cee12ee7093d"`
Dec 05 13:51:08.948 INFO [stdout] 5b7c527a664a1f41bc1695af4c3d176cbd045a5303d4d2e64d94cee12ee7093d