[INFO] updating cached repository natemara/rls-remote [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/natemara/rls-remote [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/natemara/rls-remote" "work/ex/clippy-test-run/sources/stable/gh/natemara/rls-remote"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/natemara/rls-remote'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/natemara/rls-remote" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/natemara/rls-remote"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/natemara/rls-remote'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 84e240740fb2fa1c1a5ee1c58a5486205d9c07ae [INFO] sha for GitHub repo natemara/rls-remote: 84e240740fb2fa1c1a5ee1c58a5486205d9c07ae [INFO] validating manifest of natemara/rls-remote 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 natemara/rls-remote 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 natemara/rls-remote [INFO] finished frobbing natemara/rls-remote [INFO] frobbed toml for natemara/rls-remote written to work/ex/clippy-test-run/sources/stable/gh/natemara/rls-remote/Cargo.toml [INFO] started frobbing natemara/rls-remote [INFO] finished frobbing natemara/rls-remote [INFO] frobbed toml for natemara/rls-remote written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/natemara/rls-remote/Cargo.toml [INFO] crate natemara/rls-remote has a lockfile. skipping [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 natemara/rls-remote against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/natemara/rls-remote:/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 -Dclippy::into_iter_on_array" "-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] 2fb9aef635a00ec8c4fefb8b64ae3fd9ad3babf37cd5ea964560d01d23c8fe99 [INFO] running `"docker" "start" "-a" "2fb9aef635a00ec8c4fefb8b64ae3fd9ad3babf37cd5ea964560d01d23c8fe99"` [INFO] [stderr] Checking tokio-stdin-stdout v0.1.1 [INFO] [stderr] Checking tokio-core v0.1.12 [INFO] [stderr] Checking rls-remote v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()` [INFO] [stderr] --> src/main.rs:29:20 [INFO] [stderr] | [INFO] [stderr] 29 | if let Ok(_) = reader.read(&mut buffer) { [INFO] [stderr] | _____________- ^^^^^ [INFO] [stderr] 30 | | writer.write(buffer).expect("failed to write to stdout"); [INFO] [stderr] 31 | | } [INFO] [stderr] | |_____________- help: try this: `if reader.read(&mut buffer).is_ok()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_pattern_matching)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/main.rs:30:17 [INFO] [stderr] | [INFO] [stderr] 30 | writer.write(buffer).expect("failed to write to stdout"); [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] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `rls-remote`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()` [INFO] [stderr] --> src/main.rs:29:20 [INFO] [stderr] | [INFO] [stderr] 29 | if let Ok(_) = reader.read(&mut buffer) { [INFO] [stderr] | _____________- ^^^^^ [INFO] [stderr] 30 | | writer.write(buffer).expect("failed to write to stdout"); [INFO] [stderr] 31 | | } [INFO] [stderr] | |_____________- help: try this: `if reader.read(&mut buffer).is_ok()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_pattern_matching)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/main.rs:30:17 [INFO] [stderr] | [INFO] [stderr] 30 | writer.write(buffer).expect("failed to write to stdout"); [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] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `rls-remote`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "2fb9aef635a00ec8c4fefb8b64ae3fd9ad3babf37cd5ea964560d01d23c8fe99"` [INFO] running `"docker" "rm" "-f" "2fb9aef635a00ec8c4fefb8b64ae3fd9ad3babf37cd5ea964560d01d23c8fe99"` [INFO] [stdout] 2fb9aef635a00ec8c4fefb8b64ae3fd9ad3babf37cd5ea964560d01d23c8fe99