Sep 20 21:12:57.111 INFO checking sebasmagri/rust-concurrency-patterns against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 20 21:12:57.111 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 20 21:12:57.111 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-3/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 21:12:57.329 INFO blam! 6741d84f1bfc81524ac8b038599b5a9b37740d8088e740fe5be2d17d65eff535
Sep 20 21:12:57.332 INFO running `"docker" "start" "-a" "6741d84f1bfc81524ac8b038599b5a9b37740d8088e740fe5be2d17d65eff535"`
Sep 20 21:12:58.456 INFO kablam! usermod: no changes
Sep 20 21:12:58.539 INFO kablam!     Checking concurrency-patterns v0.1.0 (/source)
Sep 20 21:12:59.607 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 20 21:12:59.607 INFO kablam!   --> examples/04-fan-in.rs:32:5
Sep 20 21:12:59.607 INFO kablam!    |
Sep 20 21:12:59.607 INFO kablam! 32 |     consumer(Arc::new(Mutex::new(rx))).join();
Sep 20 21:12:59.607 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 20 21:12:59.618 INFO kablam!    |
Sep 20 21:12:59.618 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 20 21:12:59.618 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 20 21:12:59.618 INFO kablam! 
Sep 20 21:12:59.658 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Sep 20 21:12:59.662 INFO kablam! su: No module specific data is present
Sep 20 21:13:00.583 INFO running `"docker" "rm" "-f" "6741d84f1bfc81524ac8b038599b5a9b37740d8088e740fe5be2d17d65eff535"`
Sep 20 21:13:00.697 INFO blam! 6741d84f1bfc81524ac8b038599b5a9b37740d8088e740fe5be2d17d65eff535