Dec 05 08:08:07.611 INFO testing sebasmagri/rust-concurrency-patterns against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 08:08:07.611 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 08:08:07.993 INFO [stdout] 512cc83a6348a8cf8bb14caf0ede195e60f27ba363ec0b0a95a0263d817490ce
Dec 05 08:08:07.997 INFO running `"docker" "start" "-a" "512cc83a6348a8cf8bb14caf0ede195e60f27ba363ec0b0a95a0263d817490ce"`
Dec 05 08:08:08.466 INFO [stderr] usermod: no changes
Dec 05 08:08:08.491 INFO [stderr]    Compiling concurrency-patterns v0.1.0 (/source)
Dec 05 08:08:08.799 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
Dec 05 08:08:08.802 INFO [stderr] su: No module specific data is present
Dec 05 08:08:09.110 INFO running `"docker" "inspect" "512cc83a6348a8cf8bb14caf0ede195e60f27ba363ec0b0a95a0263d817490ce"`
Dec 05 08:08:09.266 INFO running `"docker" "rm" "-f" "512cc83a6348a8cf8bb14caf0ede195e60f27ba363ec0b0a95a0263d817490ce"`
Dec 05 08:08:09.412 INFO [stdout] 512cc83a6348a8cf8bb14caf0ede195e60f27ba363ec0b0a95a0263d817490ce
Dec 05 08:08:09.412 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 08:08:09.629 INFO [stdout] 3dce50266853b05a0b13d6bcc81649c80a5dafd081b816578c1397768d4a31b2
Dec 05 08:08:09.631 INFO running `"docker" "start" "-a" "3dce50266853b05a0b13d6bcc81649c80a5dafd081b816578c1397768d4a31b2"`
Dec 05 08:08:10.156 INFO [stderr] usermod: no changes
Dec 05 08:08:10.190 INFO [stderr]    Compiling concurrency-patterns v0.1.0 (/source)
Dec 05 08:08:10.592 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 08:08:10.592 INFO [stderr]   --> examples/04-fan-in.rs:32:5
Dec 05 08:08:10.592 INFO [stderr]    |
Dec 05 08:08:10.592 INFO [stderr] 32 |     consumer(Arc::new(Mutex::new(rx))).join();
Dec 05 08:08:10.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 08:08:10.592 INFO [stderr]    |
Dec 05 08:08:10.592 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 08:08:10.592 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 08:08:10.592 INFO [stderr] 
Dec 05 08:08:13.468 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
Dec 05 08:08:13.468 INFO [stderr] su: No module specific data is present
Dec 05 08:08:14.274 INFO running `"docker" "inspect" "3dce50266853b05a0b13d6bcc81649c80a5dafd081b816578c1397768d4a31b2"`
Dec 05 08:08:14.623 INFO running `"docker" "rm" "-f" "3dce50266853b05a0b13d6bcc81649c80a5dafd081b816578c1397768d4a31b2"`
Dec 05 08:08:14.888 INFO [stdout] 3dce50266853b05a0b13d6bcc81649c80a5dafd081b816578c1397768d4a31b2
Dec 05 08:08:14.894 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 08:08:15.296 INFO [stdout] af02956810203158d85e0920a8d7af958d2ef3344b64cf65bad7b2664049e1c7
Dec 05 08:08:15.302 INFO running `"docker" "start" "-a" "af02956810203158d85e0920a8d7af958d2ef3344b64cf65bad7b2664049e1c7"`
Dec 05 08:08:16.140 INFO [stderr] usermod: no changes
Dec 05 08:08:16.168 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 08:08:16.168 INFO [stderr]      Running /target/debug/deps/concurrency_patterns-6c2535e4992a05d3
Dec 05 08:08:16.169 INFO [stdout] 
Dec 05 08:08:16.169 INFO [stdout] running 0 tests
Dec 05 08:08:16.169 INFO [stdout] 
Dec 05 08:08:16.169 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 08:08:16.169 INFO [stdout] 
Dec 05 08:08:16.171 INFO [stderr] su: No module specific data is present
Dec 05 08:08:16.575 INFO running `"docker" "inspect" "af02956810203158d85e0920a8d7af958d2ef3344b64cf65bad7b2664049e1c7"`
Dec 05 08:08:16.787 INFO running `"docker" "rm" "-f" "af02956810203158d85e0920a8d7af958d2ef3344b64cf65bad7b2664049e1c7"`
Dec 05 08:08:16.997 INFO [stdout] af02956810203158d85e0920a8d7af958d2ef3344b64cf65bad7b2664049e1c7