Sep 01 12:59:55.126 INFO checking sebasmagri/rust-concurrency-patterns against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 12:59:55.126 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 12:59:55.126 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 12:59:55.341 INFO blam! 0e72a862ebf6b096089f5772b74e2f77286da66c6d17107a253bdd59b5fa0173
Sep 01 12:59:55.343 INFO running `"docker" "start" "-a" "0e72a862ebf6b096089f5772b74e2f77286da66c6d17107a253bdd59b5fa0173"`
Sep 01 12:59:55.948 INFO kablam!     Checking concurrency-patterns v0.1.0 (file:///source)
Sep 01 12:59:56.204 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 01 12:59:56.204 INFO kablam!   --> examples/04-fan-in.rs:32:5
Sep 01 12:59:56.204 INFO kablam!    |
Sep 01 12:59:56.205 INFO kablam! 32 |     consumer(Arc::new(Mutex::new(rx))).join();
Sep 01 12:59:56.205 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 12:59:56.205 INFO kablam!    |
Sep 01 12:59:56.205 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 01 12:59:56.205 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 01 12:59:56.205 INFO kablam! 
Sep 01 12:59:56.317 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Sep 01 12:59:56.320 INFO kablam! su: No module specific data is present
Sep 01 12:59:56.821 INFO running `"docker" "rm" "-f" "0e72a862ebf6b096089f5772b74e2f77286da66c6d17107a253bdd59b5fa0173"`
Sep 01 12:59:56.906 INFO blam! 0e72a862ebf6b096089f5772b74e2f77286da66c6d17107a253bdd59b5fa0173