Nov 28 04:16:52.915 INFO checking hustshawn/rust-tokio-echo-server against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 04:16:52.915 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 04:16:53.192 INFO [stdout] 399c64565f68eebd8919eccfb3733e896466fb328bf8674c7faf984ed2fcdf52
Nov 28 04:16:53.194 INFO running `"docker" "start" "-a" "399c64565f68eebd8919eccfb3733e896466fb328bf8674c7faf984ed2fcdf52"`
Nov 28 04:16:54.077 INFO [stderr] usermod: no changes
Nov 28 04:16:54.219 INFO [stderr]     Checking net2 v0.2.30
Nov 28 04:16:55.028 INFO [stderr]     Checking mio v0.6.10
Nov 28 04:16:56.586 INFO [stderr]     Checking tokio-core v0.1.9
Nov 28 04:16:57.748 INFO [stderr]     Checking tokio-proto v0.1.1
Nov 28 04:17:00.111 INFO [stderr]     Checking echo-proto v0.1.0 (/source)
Nov 28 04:17:00.976 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
Nov 28 04:17:00.978 INFO [stderr] su: No module specific data is present
Nov 28 04:17:01.278 INFO running `"docker" "inspect" "399c64565f68eebd8919eccfb3733e896466fb328bf8674c7faf984ed2fcdf52"`
Nov 28 04:17:01.359 INFO running `"docker" "rm" "-f" "399c64565f68eebd8919eccfb3733e896466fb328bf8674c7faf984ed2fcdf52"`
Nov 28 04:17:01.433 INFO [stdout] 399c64565f68eebd8919eccfb3733e896466fb328bf8674c7faf984ed2fcdf52