Sep 05 17:25:25.328 INFO checking sebasmagri/rust-concurrency-patterns against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 05 17:25:25.328 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 05 17:25:25.328 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-3/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 17:25:25.778 INFO blam! 110b8e4abf667b74fa6ce18ff7ad57e6d064a1886209066b96bc2236eef4e7ef
Sep 05 17:25:25.780 INFO running `"docker" "start" "-a" "110b8e4abf667b74fa6ce18ff7ad57e6d064a1886209066b96bc2236eef4e7ef"`
Sep 05 17:25:28.534 INFO kablam! usermod: no changes
Sep 05 17:25:28.602 INFO kablam!     Checking concurrency-patterns v0.1.0 (file:///source)
Sep 05 17:25:29.621 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 05 17:25:29.621 INFO kablam!   --> examples/04-fan-in.rs:32:5
Sep 05 17:25:29.621 INFO kablam!    |
Sep 05 17:25:29.622 INFO kablam! 32 |     consumer(Arc::new(Mutex::new(rx))).join();
Sep 05 17:25:29.622 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 17:25:29.622 INFO kablam!    |
Sep 05 17:25:29.622 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 05 17:25:29.622 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 05 17:25:29.622 INFO kablam! 
Sep 05 17:25:29.649 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Sep 05 17:25:29.649 INFO kablam! su: No module specific data is present
Sep 05 17:25:30.748 INFO running `"docker" "rm" "-f" "110b8e4abf667b74fa6ce18ff7ad57e6d064a1886209066b96bc2236eef4e7ef"`
Sep 05 17:25:31.050 INFO blam! 110b8e4abf667b74fa6ce18ff7ad57e6d064a1886209066b96bc2236eef4e7ef