Dec 12 19:31:37.247 INFO testing zhenhuanlee/simple_server against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 12 19:31:37.247 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 12 19:31:37.435 INFO [stdout] 45302b641cf8828867fd5cb7c38d18587a3a911a5eed7ee95ab547cadfedf5c4
Dec 12 19:31:37.440 INFO running `"docker" "start" "-a" "45302b641cf8828867fd5cb7c38d18587a3a911a5eed7ee95ab547cadfedf5c4"`
Dec 12 19:31:37.819 INFO [stderr] usermod: no changes
Dec 12 19:31:37.844 INFO [stderr]    Compiling simple_server v0.1.0 (/source)
Dec 12 19:31:37.964 INFO [stderr] warning: field is never used: `workers`
Dec 12 19:31:37.964 INFO [stderr]  --> src/hello/lib.rs:8:3
Dec 12 19:31:37.964 INFO [stderr]   |
Dec 12 19:31:37.964 INFO [stderr] 8 |   workers: Vec<Worker>,
Dec 12 19:31:37.964 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 12 19:31:37.964 INFO [stderr]   |
Dec 12 19:31:37.964 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 19:31:37.964 INFO [stderr] 
Dec 12 19:31:37.964 INFO [stderr] warning: field is never used: `id`
Dec 12 19:31:37.964 INFO [stderr]   --> src/hello/lib.rs:15:3
Dec 12 19:31:37.964 INFO [stderr]    |
Dec 12 19:31:37.964 INFO [stderr] 15 |   id: usize,
Dec 12 19:31:37.964 INFO [stderr]    |   ^^^^^^^^^
Dec 12 19:31:37.964 INFO [stderr] 
Dec 12 19:31:37.964 INFO [stderr] warning: field is never used: `thread`
Dec 12 19:31:37.964 INFO [stderr]   --> src/hello/lib.rs:16:3
Dec 12 19:31:37.964 INFO [stderr]    |
Dec 12 19:31:37.964 INFO [stderr] 16 |   thread: thread::JoinHandle<()>,
Dec 12 19:31:37.964 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:31:37.964 INFO [stderr] 
Dec 12 19:31:38.908 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 12 19:31:38.910 INFO [stderr] su: No module specific data is present
Dec 12 19:31:39.157 INFO running `"docker" "inspect" "45302b641cf8828867fd5cb7c38d18587a3a911a5eed7ee95ab547cadfedf5c4"`
Dec 12 19:31:39.256 INFO running `"docker" "rm" "-f" "45302b641cf8828867fd5cb7c38d18587a3a911a5eed7ee95ab547cadfedf5c4"`
Dec 12 19:31:39.395 INFO [stdout] 45302b641cf8828867fd5cb7c38d18587a3a911a5eed7ee95ab547cadfedf5c4
Dec 12 19:31:39.400 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 12 19:31:39.809 INFO [stdout] 7eeec02661c652424053e10b7c032df58b3d9986281a23f61c43821dd035c6e5
Dec 12 19:31:39.815 INFO running `"docker" "start" "-a" "7eeec02661c652424053e10b7c032df58b3d9986281a23f61c43821dd035c6e5"`
Dec 12 19:31:41.171 INFO [stderr] usermod: no changes
Dec 12 19:31:41.223 INFO [stderr]    Compiling simple_server v0.1.0 (/source)
Dec 12 19:31:41.366 INFO [stderr] warning: field is never used: `workers`
Dec 12 19:31:41.367 INFO [stderr]  --> src/hello/lib.rs:8:3
Dec 12 19:31:41.367 INFO [stderr]   |
Dec 12 19:31:41.367 INFO [stderr] 8 |   workers: Vec<Worker>,
Dec 12 19:31:41.367 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 12 19:31:41.367 INFO [stderr]   |
Dec 12 19:31:41.367 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 19:31:41.367 INFO [stderr] 
Dec 12 19:31:41.367 INFO [stderr] warning: field is never used: `id`
Dec 12 19:31:41.367 INFO [stderr]   --> src/hello/lib.rs:15:3
Dec 12 19:31:41.367 INFO [stderr]    |
Dec 12 19:31:41.367 INFO [stderr] 15 |   id: usize,
Dec 12 19:31:41.367 INFO [stderr]    |   ^^^^^^^^^
Dec 12 19:31:41.367 INFO [stderr] 
Dec 12 19:31:41.367 INFO [stderr] warning: field is never used: `thread`
Dec 12 19:31:41.367 INFO [stderr]   --> src/hello/lib.rs:16:3
Dec 12 19:31:41.367 INFO [stderr]    |
Dec 12 19:31:41.367 INFO [stderr] 16 |   thread: thread::JoinHandle<()>,
Dec 12 19:31:41.367 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:31:41.367 INFO [stderr] 
Dec 12 19:31:41.582 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Dec 12 19:31:41.584 INFO [stderr] su: No module specific data is present
Dec 12 19:31:41.873 INFO running `"docker" "inspect" "7eeec02661c652424053e10b7c032df58b3d9986281a23f61c43821dd035c6e5"`
Dec 12 19:31:41.964 INFO running `"docker" "rm" "-f" "7eeec02661c652424053e10b7c032df58b3d9986281a23f61c43821dd035c6e5"`
Dec 12 19:31:42.037 INFO [stdout] 7eeec02661c652424053e10b7c032df58b3d9986281a23f61c43821dd035c6e5
Dec 12 19:31:42.039 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 12 19:31:42.231 INFO [stdout] 239248f114e7d9e75c19d05f7af14a27e4c941249bc2465952ccaa407a451235
Dec 12 19:31:42.232 INFO running `"docker" "start" "-a" "239248f114e7d9e75c19d05f7af14a27e4c941249bc2465952ccaa407a451235"`
Dec 12 19:31:42.730 INFO [stderr] usermod: no changes
Dec 12 19:31:42.752 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 12 19:31:42.753 INFO [stderr]      Running /target/debug/deps/hello-f1f1be3bed4c5371
Dec 12 19:31:42.754 INFO [stdout] 
Dec 12 19:31:42.754 INFO [stdout] running 0 tests
Dec 12 19:31:42.754 INFO [stdout] 
Dec 12 19:31:42.754 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 19:31:42.754 INFO [stdout] 
Dec 12 19:31:42.755 INFO [stderr]      Running /target/debug/deps/simple_server-b3db3691c9f738ef
Dec 12 19:31:42.756 INFO [stdout] 
Dec 12 19:31:42.756 INFO [stdout] running 0 tests
Dec 12 19:31:42.756 INFO [stdout] 
Dec 12 19:31:42.756 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 19:31:42.756 INFO [stdout] 
Dec 12 19:31:42.756 INFO [stderr]    Doc-tests hello
Dec 12 19:31:42.821 INFO [stdout] 
Dec 12 19:31:42.821 INFO [stdout] running 0 tests
Dec 12 19:31:42.821 INFO [stdout] 
Dec 12 19:31:42.821 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 19:31:42.821 INFO [stdout] 
Dec 12 19:31:42.825 INFO [stderr] su: No module specific data is present
Dec 12 19:31:43.084 INFO running `"docker" "inspect" "239248f114e7d9e75c19d05f7af14a27e4c941249bc2465952ccaa407a451235"`
Dec 12 19:31:43.163 INFO running `"docker" "rm" "-f" "239248f114e7d9e75c19d05f7af14a27e4c941249bc2465952ccaa407a451235"`
Dec 12 19:31:43.307 INFO [stdout] 239248f114e7d9e75c19d05f7af14a27e4c941249bc2465952ccaa407a451235