Dec 11 19:31:58.978 INFO checking dominikdosoudil/rpc-server-example against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 19:31:58.978 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 19:31:59.417 INFO [stdout] a23e0a0047500df38a52ab19cb611bbe80c163a75fb34a013bb3961870ace9cc
Dec 11 19:31:59.419 INFO running `"docker" "start" "-a" "a23e0a0047500df38a52ab19cb611bbe80c163a75fb34a013bb3961870ace9cc"`
Dec 11 19:32:01.012 INFO [stderr] usermod: no changes
Dec 11 19:32:01.204 INFO [stderr]     Checking mio v0.6.11
Dec 11 19:32:01.204 INFO [stderr]     Checking tokio-io v0.1.4
Dec 11 19:32:03.646 INFO [stderr]     Checking tokio-core v0.1.11
Dec 11 19:32:05.271 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 11 19:32:07.784 INFO [stderr]     Checking hyper v0.11.9
Dec 11 19:32:12.834 INFO [stderr]     Checking hello_cargo v0.1.0 (/source)
Dec 11 19:32:14.544 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.49s
Dec 11 19:32:14.548 INFO [stderr] su: No module specific data is present
Dec 11 19:32:14.808 INFO running `"docker" "inspect" "a23e0a0047500df38a52ab19cb611bbe80c163a75fb34a013bb3961870ace9cc"`
Dec 11 19:32:14.980 INFO running `"docker" "rm" "-f" "a23e0a0047500df38a52ab19cb611bbe80c163a75fb34a013bb3961870ace9cc"`
Dec 11 19:32:15.336 INFO [stdout] a23e0a0047500df38a52ab19cb611bbe80c163a75fb34a013bb3961870ace9cc