Dec 05 03:16:02.130 INFO checking BrendanBall/rusty-mirror against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 03:16:02.130 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 03:16:02.376 INFO [stdout] 20c8b7e6230a7991190386940b2ebb3991dc27e3861ee61437a9f1f9405f19bc
Dec 05 03:16:02.380 INFO running `"docker" "start" "-a" "20c8b7e6230a7991190386940b2ebb3991dc27e3861ee61437a9f1f9405f19bc"`
Dec 05 03:16:03.671 INFO [stderr] usermod: no changes
Dec 05 03:16:03.794 INFO [stderr]     Checking mio v0.6.11
Dec 05 03:16:03.794 INFO [stderr]     Checking tokio-io v0.1.4
Dec 05 03:16:05.675 INFO [stderr]     Checking tokio-core v0.1.11
Dec 05 03:16:07.390 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 05 03:16:10.180 INFO [stderr]     Checking rusty-mirror v0.1.0 (/source)
Dec 05 03:16:13.751 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.05s
Dec 05 03:16:13.755 INFO [stderr] su: No module specific data is present
Dec 05 03:16:14.595 INFO running `"docker" "inspect" "20c8b7e6230a7991190386940b2ebb3991dc27e3861ee61437a9f1f9405f19bc"`
Dec 05 03:16:14.839 INFO running `"docker" "rm" "-f" "20c8b7e6230a7991190386940b2ebb3991dc27e3861ee61437a9f1f9405f19bc"`
Dec 05 03:16:15.127 INFO [stdout] 20c8b7e6230a7991190386940b2ebb3991dc27e3861ee61437a9f1f9405f19bc