Aug 29 16:54:55.225 INFO checking sebasmagri/rust-concurrency-patterns against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 29 16:54:55.225 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 29 16:54:55.225 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/master#ede55518431154bc761f7b2438cce9078c162700:/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 +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 16:54:55.374 INFO blam! 18e20fec012b1eee42281716457a89daadba80af3251e5786d956eb57ea0ac03
Aug 29 16:54:55.376 INFO running `"docker" "start" "-a" "18e20fec012b1eee42281716457a89daadba80af3251e5786d956eb57ea0ac03"`
Aug 29 16:54:55.961 INFO kablam!     Checking concurrency-patterns v0.1.0 (file:///source)
Aug 29 16:54:56.324 INFO kablam! warning: unused `std::result::Result` which must be used
Aug 29 16:54:56.324 INFO kablam!   --> examples/04-fan-in.rs:32:5
Aug 29 16:54:56.324 INFO kablam!    |
Aug 29 16:54:56.324 INFO kablam! 32 |     consumer(Arc::new(Mutex::new(rx))).join();
Aug 29 16:54:56.324 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 29 16:54:56.324 INFO kablam!    |
Aug 29 16:54:56.324 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 29 16:54:56.324 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Aug 29 16:54:56.324 INFO kablam! 
Aug 29 16:54:56.549 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Aug 29 16:54:56.552 INFO kablam! su: No module specific data is present
Aug 29 16:54:57.009 INFO running `"docker" "rm" "-f" "18e20fec012b1eee42281716457a89daadba80af3251e5786d956eb57ea0ac03"`
Aug 29 16:54:57.140 INFO blam! 18e20fec012b1eee42281716457a89daadba80af3251e5786d956eb57ea0ac03