Dec 04 23:59:15.823 INFO testing zhenhuanlee/simple_server against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 04 23:59:15.823 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 04 23:59:16.020 INFO [stdout] dc725ccf7ffc6deddf3b530935b595b7f567c588a2909943cc346e3fc0e1dbf3
Dec 04 23:59:16.022 INFO running `"docker" "start" "-a" "dc725ccf7ffc6deddf3b530935b595b7f567c588a2909943cc346e3fc0e1dbf3"`
Dec 04 23:59:16.884 INFO [stderr] usermod: no changes
Dec 04 23:59:16.920 INFO [stderr]    Compiling simple_server v0.1.0 (/source)
Dec 04 23:59:17.100 INFO [stderr] warning: field is never used: `workers`
Dec 04 23:59:17.101 INFO [stderr]  --> src/hello/lib.rs:8:3
Dec 04 23:59:17.101 INFO [stderr]   |
Dec 04 23:59:17.101 INFO [stderr] 8 |   workers: Vec<Worker>,
Dec 04 23:59:17.101 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 04 23:59:17.102 INFO [stderr]   |
Dec 04 23:59:17.102 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 23:59:17.102 INFO [stderr] 
Dec 04 23:59:17.102 INFO [stderr] warning: field is never used: `id`
Dec 04 23:59:17.102 INFO [stderr]   --> src/hello/lib.rs:15:3
Dec 04 23:59:17.103 INFO [stderr]    |
Dec 04 23:59:17.103 INFO [stderr] 15 |   id: usize,
Dec 04 23:59:17.103 INFO [stderr]    |   ^^^^^^^^^
Dec 04 23:59:17.103 INFO [stderr] 
Dec 04 23:59:17.103 INFO [stderr] warning: field is never used: `thread`
Dec 04 23:59:17.104 INFO [stderr]   --> src/hello/lib.rs:16:3
Dec 04 23:59:17.104 INFO [stderr]    |
Dec 04 23:59:17.104 INFO [stderr] 16 |   thread: thread::JoinHandle<()>,
Dec 04 23:59:17.104 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:59:17.104 INFO [stderr] 
Dec 04 23:59:18.591 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
Dec 04 23:59:18.598 INFO [stderr] su: No module specific data is present
Dec 04 23:59:19.128 INFO running `"docker" "inspect" "dc725ccf7ffc6deddf3b530935b595b7f567c588a2909943cc346e3fc0e1dbf3"`
Dec 04 23:59:19.360 INFO running `"docker" "rm" "-f" "dc725ccf7ffc6deddf3b530935b595b7f567c588a2909943cc346e3fc0e1dbf3"`
Dec 04 23:59:19.572 INFO [stdout] dc725ccf7ffc6deddf3b530935b595b7f567c588a2909943cc346e3fc0e1dbf3
Dec 04 23:59:19.574 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 04 23:59:19.787 INFO [stdout] df0e0e9f24de05f1d3f680fe3938ee194859d788283ab9e4781cca9530647460
Dec 04 23:59:19.790 INFO running `"docker" "start" "-a" "df0e0e9f24de05f1d3f680fe3938ee194859d788283ab9e4781cca9530647460"`
Dec 04 23:59:20.127 INFO [stderr] usermod: no changes
Dec 04 23:59:20.154 INFO [stderr]    Compiling simple_server v0.1.0 (/source)
Dec 04 23:59:20.272 INFO [stderr] warning: field is never used: `workers`
Dec 04 23:59:20.272 INFO [stderr]  --> src/hello/lib.rs:8:3
Dec 04 23:59:20.272 INFO [stderr]   |
Dec 04 23:59:20.272 INFO [stderr] 8 |   workers: Vec<Worker>,
Dec 04 23:59:20.272 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Dec 04 23:59:20.272 INFO [stderr]   |
Dec 04 23:59:20.272 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 23:59:20.272 INFO [stderr] 
Dec 04 23:59:20.272 INFO [stderr] warning: field is never used: `id`
Dec 04 23:59:20.272 INFO [stderr]   --> src/hello/lib.rs:15:3
Dec 04 23:59:20.272 INFO [stderr]    |
Dec 04 23:59:20.272 INFO [stderr] 15 |   id: usize,
Dec 04 23:59:20.272 INFO [stderr]    |   ^^^^^^^^^
Dec 04 23:59:20.272 INFO [stderr] 
Dec 04 23:59:20.272 INFO [stderr] warning: field is never used: `thread`
Dec 04 23:59:20.273 INFO [stderr]   --> src/hello/lib.rs:16:3
Dec 04 23:59:20.273 INFO [stderr]    |
Dec 04 23:59:20.273 INFO [stderr] 16 |   thread: thread::JoinHandle<()>,
Dec 04 23:59:20.273 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:59:20.273 INFO [stderr] 
Dec 04 23:59:20.556 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Dec 04 23:59:20.558 INFO [stderr] su: No module specific data is present
Dec 04 23:59:20.757 INFO running `"docker" "inspect" "df0e0e9f24de05f1d3f680fe3938ee194859d788283ab9e4781cca9530647460"`
Dec 04 23:59:20.945 INFO running `"docker" "rm" "-f" "df0e0e9f24de05f1d3f680fe3938ee194859d788283ab9e4781cca9530647460"`
Dec 04 23:59:21.152 INFO [stdout] df0e0e9f24de05f1d3f680fe3938ee194859d788283ab9e4781cca9530647460
Dec 04 23:59:21.158 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 04 23:59:21.484 INFO [stdout] 3307c342dbaa377f73a8209664952474341341c43da489a5beeca9613ba2cb46
Dec 04 23:59:21.487 INFO running `"docker" "start" "-a" "3307c342dbaa377f73a8209664952474341341c43da489a5beeca9613ba2cb46"`
Dec 04 23:59:22.334 INFO [stderr] usermod: no changes
Dec 04 23:59:22.383 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 04 23:59:22.385 INFO [stderr]      Running /target/debug/deps/hello-2433edc6b030d0f2
Dec 04 23:59:22.398 INFO [stdout] 
Dec 04 23:59:22.398 INFO [stdout] running 0 tests
Dec 04 23:59:22.398 INFO [stdout] 
Dec 04 23:59:22.398 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 04 23:59:22.398 INFO [stdout] 
Dec 04 23:59:22.400 INFO [stderr]      Running /target/debug/deps/simple_server-ef309f2f95400499
Dec 04 23:59:22.403 INFO [stderr]    Doc-tests hello
Dec 04 23:59:22.403 INFO [stdout] 
Dec 04 23:59:22.403 INFO [stdout] running 0 tests
Dec 04 23:59:22.403 INFO [stdout] 
Dec 04 23:59:22.403 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 04 23:59:22.403 INFO [stdout] 
Dec 04 23:59:22.488 INFO [stdout] 
Dec 04 23:59:22.488 INFO [stdout] running 0 tests
Dec 04 23:59:22.488 INFO [stdout] 
Dec 04 23:59:22.488 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 04 23:59:22.488 INFO [stdout] 
Dec 04 23:59:22.508 INFO [stderr] su: No module specific data is present
Dec 04 23:59:23.227 INFO running `"docker" "inspect" "3307c342dbaa377f73a8209664952474341341c43da489a5beeca9613ba2cb46"`
Dec 04 23:59:23.478 INFO running `"docker" "rm" "-f" "3307c342dbaa377f73a8209664952474341341c43da489a5beeca9613ba2cb46"`
Dec 04 23:59:23.623 INFO [stdout] 3307c342dbaa377f73a8209664952474341341c43da489a5beeca9613ba2cb46