Dec 04 20:06:20.491 INFO checking dbarella/echo_server against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 20:06:20.492 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 04 20:06:20.808 INFO [stdout] e0fd26abced2cd235702c9ba3e98967e1f412bf8ce9b5577a69f8b8a6d7cbcf1
Dec 04 20:06:20.813 INFO running `"docker" "start" "-a" "e0fd26abced2cd235702c9ba3e98967e1f412bf8ce9b5577a69f8b8a6d7cbcf1"`
Dec 04 20:06:21.827 INFO [stderr] usermod: no changes
Dec 04 20:06:21.915 INFO [stderr]     Checking tokio-io v0.1.4
Dec 04 20:06:23.022 INFO [stderr]     Checking tokio-core v0.1.12
Dec 04 20:06:24.594 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 04 20:06:27.499 INFO [stderr]     Checking hello-server v0.1.0 (/source)
Dec 04 20:06:29.367 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.51s
Dec 04 20:06:29.375 INFO [stderr] su: No module specific data is present
Dec 04 20:06:30.223 INFO running `"docker" "inspect" "e0fd26abced2cd235702c9ba3e98967e1f412bf8ce9b5577a69f8b8a6d7cbcf1"`
Dec 04 20:06:30.515 INFO running `"docker" "rm" "-f" "e0fd26abced2cd235702c9ba3e98967e1f412bf8ce9b5577a69f8b8a6d7cbcf1"`
Dec 04 20:06:30.767 INFO [stdout] e0fd26abced2cd235702c9ba3e98967e1f412bf8ce9b5577a69f8b8a6d7cbcf1