Nov 28 14:22:35.708 INFO checking BrendanBall/rusty-mirror against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:22:35.709 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 14:22:36.056 INFO [stdout] 63d3049ebc79a3a67867ba0402daa253d749ea37cd9f821364c042f42d43f237
Nov 28 14:22:36.059 INFO running `"docker" "start" "-a" "63d3049ebc79a3a67867ba0402daa253d749ea37cd9f821364c042f42d43f237"`
Nov 28 14:22:37.020 INFO [stderr] usermod: no changes
Nov 28 14:22:37.128 INFO [stderr]     Checking mio v0.6.11
Nov 28 14:22:37.129 INFO [stderr]     Checking tokio-io v0.1.4
Nov 28 14:22:39.619 INFO [stderr]     Checking tokio-core v0.1.11
Nov 28 14:22:41.432 INFO [stderr]     Checking tokio-proto v0.1.1
Nov 28 14:22:44.126 INFO [stderr]     Checking rusty-mirror v0.1.0 (/source)
Nov 28 14:22:47.342 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.29s
Nov 28 14:22:47.349 INFO [stderr] su: No module specific data is present
Nov 28 14:22:47.725 INFO running `"docker" "inspect" "63d3049ebc79a3a67867ba0402daa253d749ea37cd9f821364c042f42d43f237"`
Nov 28 14:22:47.886 INFO running `"docker" "rm" "-f" "63d3049ebc79a3a67867ba0402daa253d749ea37cd9f821364c042f42d43f237"`
Nov 28 14:22:48.184 INFO [stdout] 63d3049ebc79a3a67867ba0402daa253d749ea37cd9f821364c042f42d43f237