Dec 04 17:36:03.335 INFO checking howeih/Day-44-Gradient-Approximation against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:36:03.336 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 17:36:03.525 INFO [stdout] 38b35072551a921e5b847f211a79d3dad5b1ef28b61be9b450cc7ef2c4d5a507
Dec 04 17:36:03.526 INFO running `"docker" "start" "-a" "38b35072551a921e5b847f211a79d3dad5b1ef28b61be9b450cc7ef2c4d5a507"`
Dec 04 17:36:04.038 INFO [stderr] usermod: no changes
Dec 04 17:36:04.108 INFO [stderr]    Compiling ndarray v0.11.2
Dec 04 17:36:04.108 INFO [stderr]     Checking itertools v0.7.8
Dec 04 17:36:12.555 INFO [stderr]     Checking gradient_approximation v0.1.0 (/source)
Dec 04 17:36:13.075 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.01s
Dec 04 17:36:13.093 INFO [stderr] su: No module specific data is present
Dec 04 17:36:13.621 INFO running `"docker" "inspect" "38b35072551a921e5b847f211a79d3dad5b1ef28b61be9b450cc7ef2c4d5a507"`
Dec 04 17:36:13.874 INFO running `"docker" "rm" "-f" "38b35072551a921e5b847f211a79d3dad5b1ef28b61be9b450cc7ef2c4d5a507"`
Dec 04 17:36:14.022 INFO [stdout] 38b35072551a921e5b847f211a79d3dad5b1ef28b61be9b450cc7ef2c4d5a507