[INFO] crate rle_vec 0.4.0 is already in cache [INFO] extracting crate rle_vec 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/rle_vec/0.4.0 [INFO] extracting crate rle_vec 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rle_vec/0.4.0 [INFO] validating manifest of rle_vec-0.4.0 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 rle_vec-0.4.0 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 rle_vec-0.4.0 [INFO] finished frobbing rle_vec-0.4.0 [INFO] frobbed toml for rle_vec-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/rle_vec/0.4.0/Cargo.toml [INFO] started frobbing rle_vec-0.4.0 [INFO] finished frobbing rle_vec-0.4.0 [INFO] frobbed toml for rle_vec-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rle_vec/0.4.0/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 rle_vec-0.4.0 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/reg/rle_vec/0.4.0:/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 -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] ea53fc12382a7cf94e44ec8f21fa38ebb6b62decf0939d8acaf6503b6eb091b9 [INFO] running `"docker" "start" "-a" "ea53fc12382a7cf94e44ec8f21fa38ebb6b62decf0939d8acaf6503b6eb091b9"` [INFO] [stderr] Checking rle_vec v0.4.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/lib.rs:544:55 [INFO] [stderr] | [INFO] [stderr] 544 | self.runs.insert(p, InternalRun { value: value, end: start }); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `value` [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/lib.rs:547:51 [INFO] [stderr] | [INFO] [stderr] 547 | self.runs.insert(0, InternalRun { value: value, end: 0 }); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `value` [INFO] [stderr] | [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/lib.rs:556:54 [INFO] [stderr] | [INFO] [stderr] 556 | self.runs.insert(p + 1, InternalRun {value: value, end: end}); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `value` [INFO] [stderr] | [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/lib.rs:556:68 [INFO] [stderr] | [INFO] [stderr] 556 | self.runs.insert(p + 1, InternalRun {value: value, end: end}); [INFO] [stderr] | ^^^^^^^^ help: replace it with: `end` [INFO] [stderr] | [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/lib.rs:564:51 [INFO] [stderr] | [INFO] [stderr] 564 | self.runs.insert(p + 1, InternalRun { value: value, end: index }); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `value` [INFO] [stderr] | [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/lib.rs:565:61 [INFO] [stderr] | [INFO] [stderr] 565 | self.runs.insert(p + 2, InternalRun { value: v, end: end }); [INFO] [stderr] | ^^^^^^^^ help: replace it with: `end` [INFO] [stderr] | [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/lib.rs:544:55 [INFO] [stderr] | [INFO] [stderr] 544 | self.runs.insert(p, InternalRun { value: value, end: start }); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `value` [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/lib.rs:547:51 [INFO] [stderr] | [INFO] [stderr] 547 | self.runs.insert(0, InternalRun { value: value, end: 0 }); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `value` [INFO] [stderr] | [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/lib.rs:556:54 [INFO] [stderr] | [INFO] [stderr] 556 | self.runs.insert(p + 1, InternalRun {value: value, end: end}); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `value` [INFO] [stderr] | [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/lib.rs:556:68 [INFO] [stderr] | [INFO] [stderr] 556 | self.runs.insert(p + 1, InternalRun {value: value, end: end}); [INFO] [stderr] | ^^^^^^^^ help: replace it with: `end` [INFO] [stderr] | [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/lib.rs:740:50 [INFO] [stderr] | [INFO] [stderr] 740 | InternalRun { value: next_value, end: end } [INFO] [stderr] | ^^^^^^^^ help: replace it with: `end` [INFO] [stderr] | [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/lib.rs:564:51 [INFO] [stderr] | [INFO] [stderr] 564 | self.runs.insert(p + 1, InternalRun { value: value, end: index }); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `value` [INFO] [stderr] | [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/lib.rs:747:46 [INFO] [stderr] | [INFO] [stderr] 747 | rle_last = InternalRun { value: value, end: next_end }; [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `value` [INFO] [stderr] | [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/lib.rs:565:61 [INFO] [stderr] | [INFO] [stderr] 565 | self.runs.insert(p + 2, InternalRun { value: v, end: end }); [INFO] [stderr] | ^^^^^^^^ help: replace it with: `end` [INFO] [stderr] | [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/lib.rs:740:50 [INFO] [stderr] | [INFO] [stderr] 740 | InternalRun { value: next_value, end: end } [INFO] [stderr] | ^^^^^^^^ help: replace it with: `end` [INFO] [stderr] | [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/lib.rs:747:46 [INFO] [stderr] | [INFO] [stderr] 747 | rle_last = InternalRun { value: value, end: next_end }; [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `value` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> benches/insert.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> benches/set.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> benches/remove.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: Could not compile `rle_vec`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `rle_vec`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> benches/to_vec.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> benches/access.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `rle_vec`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: Could not compile `rle_vec`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: Could not compile `rle_vec`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> benches/create.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `rle_vec`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: the function has a cyclomatic complexity of 26 [INFO] [stderr] --> src/lib.rs:1032:5 [INFO] [stderr] | [INFO] [stderr] 1032 | / fn setting_values() { [INFO] [stderr] 1033 | | let mut rle = RleVec::::new(); [INFO] [stderr] 1034 | | rle.push(1); [INFO] [stderr] 1035 | | rle.set(0, 10); [INFO] [stderr] ... | [INFO] [stderr] 1089 | | assert_eq!(rle.runs_len(), 6); [INFO] [stderr] 1090 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cyclomatic_complexity)] on by default [INFO] [stderr] = help: you could split it up into multiple smaller functions [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity [INFO] [stderr] [INFO] [stderr] warning: the function has a cyclomatic complexity of 31 [INFO] [stderr] --> src/lib.rs:1171:5 [INFO] [stderr] | [INFO] [stderr] 1171 | / fn iterators() { [INFO] [stderr] 1172 | | let v = vec![0,0,0,1,1,1,1,1,1,1,3,3,123,0,90,90,99]; [INFO] [stderr] 1173 | | let rle = v.iter().cloned().collect::>(); [INFO] [stderr] 1174 | | assert_eq!((0..v.len()).map(|i| rle[i]).collect::>(), v); [INFO] [stderr] ... | [INFO] [stderr] 1221 | | assert_eq!(copy2.iter().cloned().collect::>(), v); [INFO] [stderr] 1222 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = help: you could split it up into multiple smaller functions [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity [INFO] [stderr] [INFO] [stderr] warning: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)` [INFO] [stderr] --> src/lib.rs:1197:20 [INFO] [stderr] | [INFO] [stderr] 1197 | assert_eq!(rle.iter().skip(2).next(), Some(&0)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::iter_skip_next)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next [INFO] [stderr] [INFO] [stderr] warning: called `skip(x).next()` on an iterator. This is more succinctly expressed by calling `nth(x)` [INFO] [stderr] --> src/lib.rs:1198:20 [INFO] [stderr] | [INFO] [stderr] 1198 | assert_eq!(rle.iter().skip(3).next(), Some(&1)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_skip_next [INFO] [stderr] [INFO] [stderr] warning: using `clone` on a `Copy` type [INFO] [stderr] --> src/lib.rs:1220:66 [INFO] [stderr] | [INFO] [stderr] 1220 | let copy2: RleVec = rle.runs().map(|r| Run { value: r.value.clone(), len: r.len }).collect(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: try dereferencing it: `*r.value` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::clone_on_copy)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/lib.rs:1318:9 [INFO] [stderr] | [INFO] [stderr] 1318 | rle.write(&data_in[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] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/lib.rs:1322:9 [INFO] [stderr] | [INFO] [stderr] 1322 | rle.write(&[3,3,3]).unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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 2 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `rle_vec`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "ea53fc12382a7cf94e44ec8f21fa38ebb6b62decf0939d8acaf6503b6eb091b9"` [INFO] running `"docker" "rm" "-f" "ea53fc12382a7cf94e44ec8f21fa38ebb6b62decf0939d8acaf6503b6eb091b9"` [INFO] [stdout] ea53fc12382a7cf94e44ec8f21fa38ebb6b62decf0939d8acaf6503b6eb091b9