[INFO] updating cached repository hsimyu/rust-training-language-parser [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/hsimyu/rust-training-language-parser [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/hsimyu/rust-training-language-parser" "work/ex/clippy-test-run/sources/stable/gh/hsimyu/rust-training-language-parser"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/hsimyu/rust-training-language-parser'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/hsimyu/rust-training-language-parser" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hsimyu/rust-training-language-parser"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hsimyu/rust-training-language-parser'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 94e3104a3423023c2203eb1a7a378a8119af8053 [INFO] sha for GitHub repo hsimyu/rust-training-language-parser: 94e3104a3423023c2203eb1a7a378a8119af8053 [INFO] validating manifest of hsimyu/rust-training-language-parser 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 hsimyu/rust-training-language-parser 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 hsimyu/rust-training-language-parser [INFO] finished frobbing hsimyu/rust-training-language-parser [INFO] frobbed toml for hsimyu/rust-training-language-parser written to work/ex/clippy-test-run/sources/stable/gh/hsimyu/rust-training-language-parser/Cargo.toml [INFO] started frobbing hsimyu/rust-training-language-parser [INFO] finished frobbing hsimyu/rust-training-language-parser [INFO] frobbed toml for hsimyu/rust-training-language-parser written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hsimyu/rust-training-language-parser/Cargo.toml [INFO] crate hsimyu/rust-training-language-parser 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 hsimyu/rust-training-language-parser 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-3/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/hsimyu/rust-training-language-parser:/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] a5182550f3edc483a98c2ab92128c2136e9c6d61f93fa68e55514e0cf7871deb [INFO] running `"docker" "start" "-a" "a5182550f3edc483a98c2ab92128c2136e9c6d61f93fa68e55514e0cf7871deb"` [INFO] [stderr] Checking rust_parser v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/main.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | token_type: token_type, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `token_type` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/main.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | token_type: token_type, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `token_type` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/main.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | return "<'".to_string() + &self.text + "'," + type_name + ">"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"<'".to_string() + &self.text + "'," + type_name + ">"` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: field is never used: `input` [INFO] [stderr] --> src/main.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | input: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/main.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | return "<'".to_string() + &self.text + "'," + type_name + ">"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `"<'".to_string() + &self.text + "'," + type_name + ">"` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: field is never used: `input` [INFO] [stderr] --> src/main.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | input: String, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `"docker" "inspect" "a5182550f3edc483a98c2ab92128c2136e9c6d61f93fa68e55514e0cf7871deb"` [INFO] running `"docker" "rm" "-f" "a5182550f3edc483a98c2ab92128c2136e9c6d61f93fa68e55514e0cf7871deb"` [INFO] [stdout] a5182550f3edc483a98c2ab92128c2136e9c6d61f93fa68e55514e0cf7871deb