[INFO] crate stoppable_listener 0.1.0 is already in cache [INFO] extracting crate stoppable_listener 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/stoppable_listener/0.1.0 [INFO] extracting crate stoppable_listener 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/stoppable_listener/0.1.0 [INFO] validating manifest of stoppable_listener-0.1.0 on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of stoppable_listener-0.1.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing stoppable_listener-0.1.0 [INFO] finished frobbing stoppable_listener-0.1.0 [INFO] frobbed toml for stoppable_listener-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/stoppable_listener/0.1.0/Cargo.toml [INFO] started frobbing stoppable_listener-0.1.0 [INFO] finished frobbing stoppable_listener-0.1.0 [INFO] frobbed toml for stoppable_listener-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/stoppable_listener/0.1.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting stoppable_listener-0.1.0 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/stoppable_listener/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 59952d308819fd9f834dc07914e902887eb6346dd82940d976a2ae44fe99faa8 [INFO] running `"docker" "start" "-a" "59952d308819fd9f834dc07914e902887eb6346dd82940d976a2ae44fe99faa8"` [INFO] [stderr] Checking stoppable_listener v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let thread_result =` [INFO] [stderr] --> src/lib.rs:108:9 [INFO] [stderr] | [INFO] [stderr] 108 | let thread_result = listen_thread.join().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::let_unit_value)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let thread_result =` [INFO] [stderr] --> src/lib.rs:147:9 [INFO] [stderr] | [INFO] [stderr] 147 | let thread_result = listen_thread.join().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.72s [INFO] running `"docker" "inspect" "59952d308819fd9f834dc07914e902887eb6346dd82940d976a2ae44fe99faa8"` [INFO] running `"docker" "rm" "-f" "59952d308819fd9f834dc07914e902887eb6346dd82940d976a2ae44fe99faa8"` [INFO] [stdout] 59952d308819fd9f834dc07914e902887eb6346dd82940d976a2ae44fe99faa8