Dec 04 23:43:06.281 INFO checking TropicSapling/rust-number-guesser against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 23:43:06.281 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 23:43:06.572 INFO [stdout] d8d78eaa75d80d089ad60e9f0ee54cb0448d89d8623547696b1a1ff66f5d38ce
Dec 04 23:43:06.572 INFO running `"docker" "start" "-a" "d8d78eaa75d80d089ad60e9f0ee54cb0448d89d8623547696b1a1ff66f5d38ce"`
Dec 04 23:43:07.371 INFO [stderr] usermod: no changes
Dec 04 23:43:07.467 INFO [stderr]     Checking rand_core v0.1.0-pre.0
Dec 04 23:43:08.111 INFO [stderr]     Checking rand v0.5.0-pre.0
Dec 04 23:43:10.879 INFO [stderr]     Checking rust-number-guesser v0.1.0 (/source)
Dec 04 23:43:11.929 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
Dec 04 23:43:11.943 INFO [stderr] su: No module specific data is present
Dec 04 23:43:12.785 INFO running `"docker" "inspect" "d8d78eaa75d80d089ad60e9f0ee54cb0448d89d8623547696b1a1ff66f5d38ce"`
Dec 04 23:43:13.029 INFO running `"docker" "rm" "-f" "d8d78eaa75d80d089ad60e9f0ee54cb0448d89d8623547696b1a1ff66f5d38ce"`
Dec 04 23:43:13.333 INFO [stdout] d8d78eaa75d80d089ad60e9f0ee54cb0448d89d8623547696b1a1ff66f5d38ce