Nov 27 20:48:57.555 INFO checking sebasmagri/rust-concurrency-patterns against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 20:48:57.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 20:48:58.324 INFO [stdout] 4d8af0aaf6f4dfaa52228f08eb74949b5fd6c9b678cd91c77e4f455be8a45d1c
Nov 27 20:48:58.332 INFO running `"docker" "start" "-a" "4d8af0aaf6f4dfaa52228f08eb74949b5fd6c9b678cd91c77e4f455be8a45d1c"`
Nov 27 20:48:59.476 INFO [stderr] usermod: no changes
Nov 27 20:48:59.532 INFO [stderr]     Checking concurrency-patterns v0.1.0 (/source)
Nov 27 20:49:00.553 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 20:49:00.553 INFO [stderr]   --> examples/04-fan-in.rs:32:5
Nov 27 20:49:00.553 INFO [stderr]    |
Nov 27 20:49:00.553 INFO [stderr] 32 |     consumer(Arc::new(Mutex::new(rx))).join();
Nov 27 20:49:00.554 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 20:49:00.554 INFO [stderr]    |
Nov 27 20:49:00.554 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 20:49:00.554 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 20:49:00.555 INFO [stderr] 
Nov 27 20:49:00.576 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Nov 27 20:49:00.579 INFO [stderr] su: No module specific data is present
Nov 27 20:49:01.336 INFO running `"docker" "inspect" "4d8af0aaf6f4dfaa52228f08eb74949b5fd6c9b678cd91c77e4f455be8a45d1c"`
Nov 27 20:49:01.719 INFO running `"docker" "rm" "-f" "4d8af0aaf6f4dfaa52228f08eb74949b5fd6c9b678cd91c77e4f455be8a45d1c"`
Nov 27 20:49:01.928 INFO [stdout] 4d8af0aaf6f4dfaa52228f08eb74949b5fd6c9b678cd91c77e4f455be8a45d1c