[INFO] updating cached repository wchoco/lab_tutorial [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/wchoco/lab_tutorial [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/wchoco/lab_tutorial" "work/ex/clippy-test-run/sources/stable/gh/wchoco/lab_tutorial"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/wchoco/lab_tutorial'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/wchoco/lab_tutorial" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wchoco/lab_tutorial"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wchoco/lab_tutorial'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 77ebe1a0097b68d3f35e4462e0eb734ba7367a60 [INFO] sha for GitHub repo wchoco/lab_tutorial: 77ebe1a0097b68d3f35e4462e0eb734ba7367a60 [INFO] validating manifest of wchoco/lab_tutorial 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 wchoco/lab_tutorial 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 wchoco/lab_tutorial [INFO] finished frobbing wchoco/lab_tutorial [INFO] frobbed toml for wchoco/lab_tutorial written to work/ex/clippy-test-run/sources/stable/gh/wchoco/lab_tutorial/Cargo.toml [INFO] started frobbing wchoco/lab_tutorial [INFO] finished frobbing wchoco/lab_tutorial [INFO] frobbed toml for wchoco/lab_tutorial written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wchoco/lab_tutorial/Cargo.toml [INFO] crate wchoco/lab_tutorial 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 wchoco/lab_tutorial 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/wchoco/lab_tutorial:/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] db0a3169f2c9e8761a4b43f0bb5628b010f29af195e384f8e68c8e874f4cd1da [INFO] running `"docker" "start" "-a" "db0a3169f2c9e8761a4b43f0bb5628b010f29af195e384f8e68c8e874f4cd1da"` [INFO] [stderr] Checking lab_tutorial v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/util/io.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | records: records, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `records` [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/util/io.rs:119:21 [INFO] [stderr] | [INFO] [stderr] 119 | id: id, [INFO] [stderr] | ^^^^^^ help: replace it with: `id` [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/util/io.rs:130:13 [INFO] [stderr] | [INFO] [stderr] 130 | id: id, [INFO] [stderr] | ^^^^^^ help: replace it with: `id` [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/util/io.rs:135:13 [INFO] [stderr] | [INFO] [stderr] 135 | records: records, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `records` [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/util/io.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | records: records, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `records` [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/util/io.rs:119:21 [INFO] [stderr] | [INFO] [stderr] 119 | id: id, [INFO] [stderr] | ^^^^^^ help: replace it with: `id` [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/util/io.rs:130:13 [INFO] [stderr] | [INFO] [stderr] 130 | id: id, [INFO] [stderr] | ^^^^^^ help: replace it with: `id` [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/util/io.rs:135:13 [INFO] [stderr] | [INFO] [stderr] 135 | records: records, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: replace it with: `records` [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: single-character string constant used as pattern [INFO] [stderr] --> src/tasks/task2.rs:14:23 [INFO] [stderr] | [INFO] [stderr] 14 | if amino.contains("-") { [INFO] [stderr] | ^^^ help: try using a char instead: `'-'` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::single_char_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/tasks/task2.rs:15:45 [INFO] [stderr] | [INFO] [stderr] 15 | amino_convert_recursive(amino.split("-").collect(), vec!["".to_string()]) [INFO] [stderr] | ^^^ help: try using a char instead: `'-'` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/tasks/task2.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | if amino.len() == 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `amino.is_empty()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::len_zero)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice [INFO] [stderr] --> src/tasks/task4.rs:39:18 [INFO] [stderr] | [INFO] [stderr] 39 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ help: call directly: `iter` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::into_iter_on_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref [INFO] [stderr] [INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec [INFO] [stderr] --> src/tasks/task6.rs:24:18 [INFO] [stderr] | [INFO] [stderr] 24 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ help: call directly: `iter` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref [INFO] [stderr] [INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap` [INFO] [stderr] --> src/tasks/task6.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | / if microbes.contains_key(µbe) { [INFO] [stderr] 66 | | *microbes.get_mut(µbe).unwrap() += 1; [INFO] [stderr] 67 | | } else { [INFO] [stderr] 68 | | microbes.insert(microbe, 1); [INFO] [stderr] 69 | | } [INFO] [stderr] | |_________^ help: consider using: `microbes.entry(microbe)` [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/tasks/task2.rs:14:23 [INFO] [stderr] | [INFO] [stderr] 14 | if amino.contains("-") { [INFO] [stderr] | ^^^ help: try using a char instead: `'-'` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::single_char_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/tasks/task2.rs:15:45 [INFO] [stderr] | [INFO] [stderr] 15 | amino_convert_recursive(amino.split("-").collect(), vec!["".to_string()]) [INFO] [stderr] | ^^^ help: try using a char instead: `'-'` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::map_entry)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry [INFO] [stderr] [INFO] [stderr] warning: the `input @ _` pattern can be written as just `input` [INFO] [stderr] --> src/util/data.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | input @ _ => Err(Error::new(ErrorKind::InvalidInput, input)), [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> src/tasks/task2.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | if amino.len() == 0 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `amino.is_empty()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::len_zero)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern [INFO] [stderr] [INFO] [stderr] warning: you don't need to add `&` to all patterns [INFO] [stderr] --> src/util/data.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | / match self { [INFO] [stderr] 55 | | &Amino::A => &["GCU", "GCC", "GCA", "GCG"], [INFO] [stderr] 56 | | &Amino::R => &["CGU", "CGC", "CGA", "CGG", "AGA", "AGG"], [INFO] [stderr] 57 | | &Amino::N => &["AAU", "AAC"], [INFO] [stderr] ... | [INFO] [stderr] 74 | | &Amino::V => &["GUU", "GUC", "GUA", "GUG"], [INFO] [stderr] 75 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::match_ref_pats)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats [INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression [INFO] [stderr] | [INFO] [stderr] 54 | match *self { [INFO] [stderr] 55 | Amino::A => &["GCU", "GCC", "GCA", "GCG"], [INFO] [stderr] 56 | Amino::R => &["CGU", "CGC", "CGA", "CGG", "AGA", "AGG"], [INFO] [stderr] 57 | Amino::N => &["AAU", "AAC"], [INFO] [stderr] 58 | Amino::D => &["GAU", "GAC"], [INFO] [stderr] 59 | Amino::C => &["UGU", "UGC"], [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice [INFO] [stderr] --> src/tasks/task4.rs:39:18 [INFO] [stderr] | [INFO] [stderr] 39 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ help: call directly: `iter` [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `util::io::Gff` [INFO] [stderr] --> src/util/io.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | / pub fn new() -> Gff { [INFO] [stderr] 43 | | Gff { [INFO] [stderr] 44 | | comment: "".to_string(), [INFO] [stderr] 45 | | records: Vec::new(), [INFO] [stderr] 46 | | } [INFO] [stderr] 47 | | } [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] 7 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/util/io.rs:54:34 [INFO] [stderr] | [INFO] [stderr] 54 | if !line.starts_with("#") { [INFO] [stderr] | ^^^ help: try using a char instead: `'#'` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::into_iter_on_ref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref [INFO] [stderr] [INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec [INFO] [stderr] --> src/tasks/task6.rs:24:18 [INFO] [stderr] | [INFO] [stderr] 24 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ help: call directly: `iter` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/util/io.rs:68:33 [INFO] [stderr] | [INFO] [stderr] 68 | if line.starts_with("#") { [INFO] [stderr] | ^^^ help: try using a char instead: `'#'` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/util/io.rs:108:33 [INFO] [stderr] | [INFO] [stderr] 108 | if line.starts_with(">") { [INFO] [stderr] | ^^^ help: try using a char instead: `'>'` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/util/io.rs:116:33 [INFO] [stderr] | [INFO] [stderr] 116 | if line.starts_with(">") { [INFO] [stderr] | ^^^ help: try using a char instead: `'>'` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap` [INFO] [stderr] --> src/tasks/task6.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | / if microbes.contains_key(µbe) { [INFO] [stderr] 66 | | *microbes.get_mut(µbe).unwrap() += 1; [INFO] [stderr] 67 | | } else { [INFO] [stderr] 68 | | microbes.insert(microbe, 1); [INFO] [stderr] 69 | | } [INFO] [stderr] | |_________^ help: consider using: `microbes.entry(microbe)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::map_entry)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry [INFO] [stderr] [INFO] [stderr] warning: the `input @ _` pattern can be written as just `input` [INFO] [stderr] --> src/util/data.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | input @ _ => Err(Error::new(ErrorKind::InvalidInput, input)), [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern [INFO] [stderr] [INFO] [stderr] warning: you don't need to add `&` to all patterns [INFO] [stderr] --> src/util/data.rs:54:9 [INFO] [stderr] | [INFO] [stderr] 54 | / match self { [INFO] [stderr] 55 | | &Amino::A => &["GCU", "GCC", "GCA", "GCG"], [INFO] [stderr] 56 | | &Amino::R => &["CGU", "CGC", "CGA", "CGG", "AGA", "AGG"], [INFO] [stderr] 57 | | &Amino::N => &["AAU", "AAC"], [INFO] [stderr] ... | [INFO] [stderr] 74 | | &Amino::V => &["GUU", "GUC", "GUA", "GUG"], [INFO] [stderr] 75 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::match_ref_pats)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats [INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression [INFO] [stderr] | [INFO] [stderr] 54 | match *self { [INFO] [stderr] 55 | Amino::A => &["GCU", "GCC", "GCA", "GCG"], [INFO] [stderr] 56 | Amino::R => &["CGU", "CGC", "CGA", "CGG", "AGA", "AGG"], [INFO] [stderr] 57 | Amino::N => &["AAU", "AAC"], [INFO] [stderr] 58 | Amino::D => &["GAU", "GAC"], [INFO] [stderr] 59 | Amino::C => &["UGU", "UGC"], [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] warning: you should consider deriving a `Default` implementation for `util::io::Gff` [INFO] [stderr] --> src/util/io.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | / pub fn new() -> Gff { [INFO] [stderr] 43 | | Gff { [INFO] [stderr] 44 | | comment: "".to_string(), [INFO] [stderr] 45 | | records: Vec::new(), [INFO] [stderr] 46 | | } [INFO] [stderr] 47 | | } [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] 7 | #[derive(Default)] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/util/io.rs:54:34 [INFO] [stderr] | [INFO] [stderr] 54 | if !line.starts_with("#") { [INFO] [stderr] | ^^^ help: try using a char instead: `'#'` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/util/io.rs:68:33 [INFO] [stderr] | [INFO] [stderr] 68 | if line.starts_with("#") { [INFO] [stderr] | ^^^ help: try using a char instead: `'#'` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/util/io.rs:108:33 [INFO] [stderr] | [INFO] [stderr] 108 | if line.starts_with(">") { [INFO] [stderr] | ^^^ help: try using a char instead: `'>'` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] warning: single-character string constant used as pattern [INFO] [stderr] --> src/util/io.rs:116:33 [INFO] [stderr] | [INFO] [stderr] 116 | if line.starts_with(">") { [INFO] [stderr] | ^^^ help: try using a char instead: `'>'` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.49s [INFO] running `"docker" "inspect" "db0a3169f2c9e8761a4b43f0bb5628b010f29af195e384f8e68c8e874f4cd1da"` [INFO] running `"docker" "rm" "-f" "db0a3169f2c9e8761a4b43f0bb5628b010f29af195e384f8e68c8e874f4cd1da"` [INFO] [stdout] db0a3169f2c9e8761a4b43f0bb5628b010f29af195e384f8e68c8e874f4cd1da