[INFO] crate calloop 0.4.2 is already in cache [INFO] extracting crate calloop 0.4.2 into work/ex/clippy-test-run/sources/stable/reg/calloop/0.4.2 [INFO] extracting crate calloop 0.4.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/calloop/0.4.2 [INFO] validating manifest of calloop-0.4.2 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 calloop-0.4.2 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 calloop-0.4.2 [INFO] removed 1 missing tests [INFO] finished frobbing calloop-0.4.2 [INFO] frobbed toml for calloop-0.4.2 written to work/ex/clippy-test-run/sources/stable/reg/calloop/0.4.2/Cargo.toml [INFO] started frobbing calloop-0.4.2 [INFO] removed 1 missing tests [INFO] finished frobbing calloop-0.4.2 [INFO] frobbed toml for calloop-0.4.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/calloop/0.4.2/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 calloop-0.4.2 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/calloop/0.4.2:/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] efc3be25fb17412d35f170d7ffe68eff842ab941c15d9820d1829d8ede9eec7e [INFO] running `"docker" "start" "-a" "efc3be25fb17412d35f170d7ffe68eff842ab941c15d9820d1829d8ede9eec7e"` [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking calloop v0.4.2 (/opt/crater/workdir) [INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions [INFO] [stderr] --> src/loop_logic.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 22 | idles: Rc>>>>>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::type_complexity)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity [INFO] [stderr] [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `sources::timer::Timer` [INFO] [stderr] --> src/sources/timer.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | / pub fn new() -> Timer { [INFO] [stderr] 41 | | Timer { [INFO] [stderr] 42 | | inner: Arc::new(Mutex::new(mio_timer::Builder::default().build())), [INFO] [stderr] 43 | | } [INFO] [stderr] 44 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default_derive)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 32 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions [INFO] [stderr] --> src/loop_logic.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 22 | idles: Rc>>>>>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::type_complexity)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/sources/generic.rs:291:9 [INFO] [stderr] | [INFO] [stderr] 291 | tx.write(&[1, 2, 3, 4, 5, 6]).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::unused_io_amount)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `sources::timer::Timer` [INFO] [stderr] --> src/sources/timer.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | / pub fn new() -> Timer { [INFO] [stderr] 41 | | Timer { [INFO] [stderr] 42 | | inner: Arc::new(Mutex::new(mio_timer::Builder::default().build())), [INFO] [stderr] 43 | | } [INFO] [stderr] 44 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::new_without_default_derive)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 32 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `calloop`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "efc3be25fb17412d35f170d7ffe68eff842ab941c15d9820d1829d8ede9eec7e"` [INFO] running `"docker" "rm" "-f" "efc3be25fb17412d35f170d7ffe68eff842ab941c15d9820d1829d8ede9eec7e"` [INFO] [stdout] efc3be25fb17412d35f170d7ffe68eff842ab941c15d9820d1829d8ede9eec7e