Sep 10 02:31:16.115 INFO checking sebasmagri/rust-concurrency-patterns against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 02:31:16.115 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 02:31:16.115 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 02:31:16.307 INFO blam! 2f17bc06b2d0ebec522564bdb7149358e85c7dab323f97d097c733651af5cbff
Sep 10 02:31:16.309 INFO running `"docker" "start" "-a" "2f17bc06b2d0ebec522564bdb7149358e85c7dab323f97d097c733651af5cbff"`
Sep 10 02:31:18.469 INFO kablam! usermod: no changes
Sep 10 02:31:18.594 INFO kablam!     Checking concurrency-patterns v0.1.0 (file:///source)
Sep 10 02:31:19.395 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 10 02:31:19.395 INFO kablam!   --> examples/04-fan-in.rs:32:5
Sep 10 02:31:19.395 INFO kablam!    |
Sep 10 02:31:19.395 INFO kablam! 32 |     consumer(Arc::new(Mutex::new(rx))).join();
Sep 10 02:31:19.395 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 02:31:19.402 INFO kablam!    |
Sep 10 02:31:19.403 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 10 02:31:19.403 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Sep 10 02:31:19.403 INFO kablam! 
Sep 10 02:31:19.559 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Sep 10 02:31:19.561 INFO kablam! su: No module specific data is present
Sep 10 02:31:21.210 INFO running `"docker" "rm" "-f" "2f17bc06b2d0ebec522564bdb7149358e85c7dab323f97d097c733651af5cbff"`
Sep 10 02:31:21.333 INFO blam! 2f17bc06b2d0ebec522564bdb7149358e85c7dab323f97d097c733651af5cbff