Sep 03 20:11:59.317 INFO checking sebasmagri/rust-concurrency-patterns against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 03 20:11:59.317 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 03 20:11:59.318 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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=500" "-e" "CMD=cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 20:11:59.538 INFO blam! 801e59eebf4fa4a27fec54f33be9310691b8a0ce545e9fd24629b9269dc0072a
Sep 03 20:11:59.539 INFO running `"docker" "start" "-a" "801e59eebf4fa4a27fec54f33be9310691b8a0ce545e9fd24629b9269dc0072a"`
Sep 03 20:12:00.150 INFO kablam!     Checking concurrency-patterns v0.1.0 (file:///source)
Sep 03 20:12:00.635 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 03 20:12:00.635 INFO kablam!   --> examples/04-fan-in.rs:32:5
Sep 03 20:12:00.635 INFO kablam!    |
Sep 03 20:12:00.635 INFO kablam! 32 |     consumer(Arc::new(Mutex::new(rx))).join();
Sep 03 20:12:00.635 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 03 20:12:00.635 INFO kablam!    |
Sep 03 20:12:00.635 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 03 20:12:00.635 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 03 20:12:00.636 INFO kablam! 
Sep 03 20:12:00.645 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Sep 03 20:12:00.648 INFO kablam! su: No module specific data is present
Sep 03 20:12:01.107 INFO running `"docker" "rm" "-f" "801e59eebf4fa4a27fec54f33be9310691b8a0ce545e9fd24629b9269dc0072a"`
Sep 03 20:12:01.197 INFO blam! 801e59eebf4fa4a27fec54f33be9310691b8a0ce545e9fd24629b9269dc0072a