Nov 16 06:49:54.819 INFO testing zhenhuanlee/simple_server against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 06:49:54.819 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 06:49:54.966 INFO [stdout] 9332691db477124af55ed1cea3572f5a16ef8a18b39f39fe1b2a046059521bbd
Nov 16 06:49:54.969 INFO running `"docker" "start" "-a" "9332691db477124af55ed1cea3572f5a16ef8a18b39f39fe1b2a046059521bbd"`
Nov 16 06:49:55.464 INFO [stderr] usermod: no changes
Nov 16 06:49:55.507 INFO [stderr]    Compiling simple_server v0.1.0 (/source)
Nov 16 06:49:55.655 INFO [stderr] warning: field is never used: `workers`
Nov 16 06:49:55.655 INFO [stderr]  --> src/hello/lib.rs:8:3
Nov 16 06:49:55.655 INFO [stderr]   |
Nov 16 06:49:55.655 INFO [stderr] 8 |   workers: Vec<Worker>,
Nov 16 06:49:55.655 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Nov 16 06:49:55.655 INFO [stderr]   |
Nov 16 06:49:55.655 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 06:49:55.655 INFO [stderr] 
Nov 16 06:49:55.655 INFO [stderr] warning: field is never used: `id`
Nov 16 06:49:55.655 INFO [stderr]   --> src/hello/lib.rs:15:3
Nov 16 06:49:55.655 INFO [stderr]    |
Nov 16 06:49:55.655 INFO [stderr] 15 |   id: usize,
Nov 16 06:49:55.655 INFO [stderr]    |   ^^^^^^^^^
Nov 16 06:49:55.655 INFO [stderr] 
Nov 16 06:49:55.655 INFO [stderr] warning: field is never used: `thread`
Nov 16 06:49:55.655 INFO [stderr]   --> src/hello/lib.rs:16:3
Nov 16 06:49:55.655 INFO [stderr]    |
Nov 16 06:49:55.655 INFO [stderr] 16 |   thread: thread::JoinHandle<()>,
Nov 16 06:49:55.655 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:49:55.655 INFO [stderr] 
Nov 16 06:49:56.632 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Nov 16 06:49:56.634 INFO [stderr] su: No module specific data is present
Nov 16 06:49:56.848 INFO running `"docker" "inspect" "9332691db477124af55ed1cea3572f5a16ef8a18b39f39fe1b2a046059521bbd"`
Nov 16 06:49:56.932 INFO running `"docker" "rm" "-f" "9332691db477124af55ed1cea3572f5a16ef8a18b39f39fe1b2a046059521bbd"`
Nov 16 06:49:57.000 INFO [stdout] 9332691db477124af55ed1cea3572f5a16ef8a18b39f39fe1b2a046059521bbd
Nov 16 06:49:57.003 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 06:49:57.151 INFO [stdout] 2f42ad0e3a2e4c13a997c0e0303c0a1616f74592b025bd3e4507ab28c20da905
Nov 16 06:49:57.154 INFO running `"docker" "start" "-a" "2f42ad0e3a2e4c13a997c0e0303c0a1616f74592b025bd3e4507ab28c20da905"`
Nov 16 06:49:57.565 INFO [stderr] usermod: no changes
Nov 16 06:49:57.590 INFO [stderr]    Compiling simple_server v0.1.0 (/source)
Nov 16 06:49:57.699 INFO [stderr] warning: field is never used: `workers`
Nov 16 06:49:57.699 INFO [stderr]  --> src/hello/lib.rs:8:3
Nov 16 06:49:57.699 INFO [stderr]   |
Nov 16 06:49:57.699 INFO [stderr] 8 |   workers: Vec<Worker>,
Nov 16 06:49:57.699 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^
Nov 16 06:49:57.699 INFO [stderr]   |
Nov 16 06:49:57.699 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 06:49:57.699 INFO [stderr] 
Nov 16 06:49:57.699 INFO [stderr] warning: field is never used: `id`
Nov 16 06:49:57.699 INFO [stderr]   --> src/hello/lib.rs:15:3
Nov 16 06:49:57.699 INFO [stderr]    |
Nov 16 06:49:57.699 INFO [stderr] 15 |   id: usize,
Nov 16 06:49:57.699 INFO [stderr]    |   ^^^^^^^^^
Nov 16 06:49:57.699 INFO [stderr] 
Nov 16 06:49:57.699 INFO [stderr] warning: field is never used: `thread`
Nov 16 06:49:57.699 INFO [stderr]   --> src/hello/lib.rs:16:3
Nov 16 06:49:57.699 INFO [stderr]    |
Nov 16 06:49:57.699 INFO [stderr] 16 |   thread: thread::JoinHandle<()>,
Nov 16 06:49:57.699 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 06:49:57.699 INFO [stderr] 
Nov 16 06:49:57.915 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Nov 16 06:49:57.918 INFO [stderr] su: No module specific data is present
Nov 16 06:49:58.123 INFO running `"docker" "inspect" "2f42ad0e3a2e4c13a997c0e0303c0a1616f74592b025bd3e4507ab28c20da905"`
Nov 16 06:49:58.204 INFO running `"docker" "rm" "-f" "2f42ad0e3a2e4c13a997c0e0303c0a1616f74592b025bd3e4507ab28c20da905"`
Nov 16 06:49:58.325 INFO [stdout] 2f42ad0e3a2e4c13a997c0e0303c0a1616f74592b025bd3e4507ab28c20da905
Nov 16 06:49:58.327 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 06:49:58.491 INFO [stdout] 63400e8bae1a886c2a865a79339cd6b093fc43775d71a12293e5dd92eee38129
Nov 16 06:49:58.494 INFO running `"docker" "start" "-a" "63400e8bae1a886c2a865a79339cd6b093fc43775d71a12293e5dd92eee38129"`
Nov 16 06:49:58.874 INFO [stderr] usermod: no changes
Nov 16 06:49:58.899 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 16 06:49:58.899 INFO [stderr]      Running /target/debug/deps/hello-fc8d49b1a4b48820
Nov 16 06:49:58.901 INFO [stdout] 
Nov 16 06:49:58.901 INFO [stdout] running 0 tests
Nov 16 06:49:58.901 INFO [stdout] 
Nov 16 06:49:58.901 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 06:49:58.901 INFO [stdout] 
Nov 16 06:49:58.901 INFO [stderr]      Running /target/debug/deps/simple_server-2b3df21d89a59457
Nov 16 06:49:58.902 INFO [stdout] 
Nov 16 06:49:58.902 INFO [stdout] running 0 tests
Nov 16 06:49:58.902 INFO [stdout] 
Nov 16 06:49:58.902 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 06:49:58.902 INFO [stdout] 
Nov 16 06:49:58.903 INFO [stderr]    Doc-tests hello
Nov 16 06:49:58.962 INFO [stdout] 
Nov 16 06:49:58.962 INFO [stdout] running 0 tests
Nov 16 06:49:58.962 INFO [stdout] 
Nov 16 06:49:58.962 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 06:49:58.962 INFO [stdout] 
Nov 16 06:49:58.968 INFO [stderr] su: No module specific data is present
Nov 16 06:49:59.156 INFO running `"docker" "inspect" "63400e8bae1a886c2a865a79339cd6b093fc43775d71a12293e5dd92eee38129"`
Nov 16 06:49:59.251 INFO running `"docker" "rm" "-f" "63400e8bae1a886c2a865a79339cd6b093fc43775d71a12293e5dd92eee38129"`
Nov 16 06:49:59.305 INFO [stdout] 63400e8bae1a886c2a865a79339cd6b093fc43775d71a12293e5dd92eee38129