Dec 05 10:27:17.042 INFO checking microserver-0.1.4 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 10:27:17.042 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 10:27:17.439 INFO [stdout] 3a1ef35b9c4008f941b3166981be71f880fb08cceed3c8f9da1259bf03ea96b2
Dec 05 10:27:17.439 INFO running `"docker" "start" "-a" "3a1ef35b9c4008f941b3166981be71f880fb08cceed3c8f9da1259bf03ea96b2"`
Dec 05 10:27:18.653 INFO [stderr] usermod: no changes
Dec 05 10:27:18.971 INFO [stderr]    Compiling headers-derive v0.0.1
Dec 05 10:27:21.151 INFO [stderr]     Checking headers-ext v0.0.3
Dec 05 10:27:24.151 INFO [stderr]     Checking warp v0.1.9
Dec 05 10:27:32.463 INFO [stderr]     Checking microserver v0.1.4 (/source)
Dec 05 10:27:43.724 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.05s
Dec 05 10:27:43.739 INFO [stderr] su: No module specific data is present
Dec 05 10:27:44.075 INFO running `"docker" "inspect" "3a1ef35b9c4008f941b3166981be71f880fb08cceed3c8f9da1259bf03ea96b2"`
Dec 05 10:27:44.223 INFO running `"docker" "rm" "-f" "3a1ef35b9c4008f941b3166981be71f880fb08cceed3c8f9da1259bf03ea96b2"`
Dec 05 10:27:44.341 INFO [stdout] 3a1ef35b9c4008f941b3166981be71f880fb08cceed3c8f9da1259bf03ea96b2