Dec 04 18:03:23.456 INFO checking golddranks/tokio-loop against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 18:03:23.456 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 18:03:23.892 INFO [stdout] 041b15927b23f40d8207ebf8f3c118faa317e122423e41f051daf8c47e0df3e0
Dec 04 18:03:23.895 INFO running `"docker" "start" "-a" "041b15927b23f40d8207ebf8f3c118faa317e122423e41f051daf8c47e0df3e0"`
Dec 04 18:03:25.123 INFO [stderr] usermod: no changes
Dec 04 18:03:25.243 INFO [stderr]     Checking net2 v0.2.29
Dec 04 18:03:25.251 INFO [stderr]     Checking env_logger v0.4.2
Dec 04 18:03:26.473 INFO [stderr]     Checking mio v0.6.7
Dec 04 18:03:28.288 INFO [stderr]     Checking tokio-core v0.1.7
Dec 04 18:03:29.975 INFO [stderr]     Checking tokio_loop v0.1.0 (/source)
Dec 04 18:03:32.994 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.84s
Dec 04 18:03:32.999 INFO [stderr] su: No module specific data is present
Dec 04 18:03:34.035 INFO running `"docker" "inspect" "041b15927b23f40d8207ebf8f3c118faa317e122423e41f051daf8c47e0df3e0"`
Dec 04 18:03:34.379 INFO running `"docker" "rm" "-f" "041b15927b23f40d8207ebf8f3c118faa317e122423e41f051daf8c47e0df3e0"`
Dec 04 18:03:34.727 INFO [stdout] 041b15927b23f40d8207ebf8f3c118faa317e122423e41f051daf8c47e0df3e0