Nov 29 18:35:43.601 INFO checking sebasmagri/rust-concurrency-patterns against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 18:35:43.601 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 29 18:35:44.056 INFO [stdout] 1049c6b76a0777c01eb0383db0a716b1580fbfe51ad3e4b99e6db380b9f17036
Nov 29 18:35:44.056 INFO running `"docker" "start" "-a" "1049c6b76a0777c01eb0383db0a716b1580fbfe51ad3e4b99e6db380b9f17036"`
Nov 29 18:35:45.372 INFO [stderr] usermod: no changes
Nov 29 18:35:45.415 INFO [stderr]     Checking concurrency-patterns v0.1.0 (/source)
Nov 29 18:35:46.240 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 18:35:46.240 INFO [stderr]   --> examples/04-fan-in.rs:32:5
Nov 29 18:35:46.240 INFO [stderr]    |
Nov 29 18:35:46.240 INFO [stderr] 32 |     consumer(Arc::new(Mutex::new(rx))).join();
Nov 29 18:35:46.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 18:35:46.240 INFO [stderr]    |
Nov 29 18:35:46.240 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 18:35:46.240 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 18:35:46.240 INFO [stderr] 
Nov 29 18:35:46.373 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Nov 29 18:35:46.379 INFO [stderr] su: No module specific data is present
Nov 29 18:35:46.936 INFO running `"docker" "inspect" "1049c6b76a0777c01eb0383db0a716b1580fbfe51ad3e4b99e6db380b9f17036"`
Nov 29 18:35:47.126 INFO running `"docker" "rm" "-f" "1049c6b76a0777c01eb0383db0a716b1580fbfe51ad3e4b99e6db380b9f17036"`
Nov 29 18:35:47.432 INFO [stdout] 1049c6b76a0777c01eb0383db0a716b1580fbfe51ad3e4b99e6db380b9f17036