Sep 05 17:25:24.512 INFO checking sebasmagri/rust-concurrency-patterns against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 17:25:24.512 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 17:25:24.512 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-5/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 17:25:24.853 INFO blam! 161c0b08f593d2473722090a73fc81b15e17b7f4252431608c55b96e0ec28a0a
Sep 05 17:25:24.855 INFO running `"docker" "start" "-a" "161c0b08f593d2473722090a73fc81b15e17b7f4252431608c55b96e0ec28a0a"`
Sep 05 17:25:26.877 INFO kablam! usermod: no changes
Sep 05 17:25:26.954 INFO kablam!     Checking concurrency-patterns v0.1.0 (file:///source)
Sep 05 17:25:27.682 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 05 17:25:27.682 INFO kablam!   --> examples/04-fan-in.rs:32:5
Sep 05 17:25:27.682 INFO kablam!    |
Sep 05 17:25:27.682 INFO kablam! 32 |     consumer(Arc::new(Mutex::new(rx))).join();
Sep 05 17:25:27.682 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 05 17:25:27.682 INFO kablam!    |
Sep 05 17:25:27.682 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 05 17:25:27.682 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 05 17:25:27.682 INFO kablam! 
Sep 05 17:25:28.054 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Sep 05 17:25:28.060 INFO kablam! su: No module specific data is present
Sep 05 17:25:29.505 INFO running `"docker" "rm" "-f" "161c0b08f593d2473722090a73fc81b15e17b7f4252431608c55b96e0ec28a0a"`
Sep 05 17:25:29.783 INFO blam! 161c0b08f593d2473722090a73fc81b15e17b7f4252431608c55b96e0ec28a0a