Dec 04 17:36:26.558 INFO checking howeih/Day-25-Conjugate-gradients against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:36:26.558 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 17:36:26.746 INFO [stdout] b787349c815424e6a5d12b1fb336f1e1d9b3b8344a1a65c417a574e1ef49dbf1
Dec 04 17:36:26.748 INFO running `"docker" "start" "-a" "b787349c815424e6a5d12b1fb336f1e1d9b3b8344a1a65c417a574e1ef49dbf1"`
Dec 04 17:36:27.803 INFO [stderr] usermod: no changes
Dec 04 17:36:27.859 INFO [stderr]    Compiling ndarray v0.11.2
Dec 04 17:36:27.868 INFO [stderr]     Checking itertools v0.7.8
Dec 04 17:36:36.044 INFO [stderr]     Checking conjugate_gradients v0.1.0 (/source)
Dec 04 17:36:36.725 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.91s
Dec 04 17:36:36.728 INFO [stderr] su: No module specific data is present
Dec 04 17:36:36.977 INFO running `"docker" "inspect" "b787349c815424e6a5d12b1fb336f1e1d9b3b8344a1a65c417a574e1ef49dbf1"`
Dec 04 17:36:37.049 INFO running `"docker" "rm" "-f" "b787349c815424e6a5d12b1fb336f1e1d9b3b8344a1a65c417a574e1ef49dbf1"`
Dec 04 17:36:37.136 INFO [stdout] b787349c815424e6a5d12b1fb336f1e1d9b3b8344a1a65c417a574e1ef49dbf1