[INFO] crate genco 0.3.29 is already in cache
[INFO] extracting crate genco 0.3.29 into work/ex/clippy-test-run/sources/stable/reg/genco/0.3.29
[INFO] extracting crate genco 0.3.29 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/genco/0.3.29
[INFO] validating manifest of genco-0.3.29 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 genco-0.3.29 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 genco-0.3.29
[INFO] finished frobbing genco-0.3.29
[INFO] frobbed toml for genco-0.3.29 written to work/ex/clippy-test-run/sources/stable/reg/genco/0.3.29/Cargo.toml
[INFO] started frobbing genco-0.3.29
[INFO] finished frobbing genco-0.3.29
[INFO] frobbed toml for genco-0.3.29 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/genco/0.3.29/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 genco-0.3.29 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-5/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/genco/0.3.29:/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] 580980caeb0d300ae9526908a562a9cf91596a1bf118d7df9345b09886790b4c
[INFO] running `"docker" "start" "-a" "580980caeb0d300ae9526908a562a9cf91596a1bf118d7df9345b09886790b4c"`
[INFO] [stderr]     Checking genco v0.3.29 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/csharp/mod.rs:183:21
[INFO] [stderr]     |
[INFO] [stderr] 183 |                     path: path,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: replace it with: `path`
[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/csharp/mod.rs:279:17
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 arguments: arguments,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `arguments`
[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/dart/mod.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 arguments: arguments,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `arguments`
[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/formatter.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             write: write,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `write`
[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/java/mod.rs:169:21
[INFO] [stderr]     |
[INFO] [stderr] 169 |                     path: path,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: replace it with: `path`
[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/java/mod.rs:238:17
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 arguments: arguments,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `arguments`
[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/rust.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |             arguments: arguments,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `arguments`
[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/tokens.rs:180:22
[INFO] [stderr]     |
[INFO] [stderr] 180 |         WalkCustom { queue: queue }
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: replace it with: `queue`
[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/csharp/mod.rs:183:21
[INFO] [stderr]     |
[INFO] [stderr] 183 |                     path: path,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: replace it with: `path`
[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/csharp/mod.rs:279:17
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 arguments: arguments,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `arguments`
[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/dart/mod.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 arguments: arguments,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `arguments`
[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/formatter.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             write: write,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `write`
[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/java/mod.rs:169:21
[INFO] [stderr]     |
[INFO] [stderr] 169 |                     path: path,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: replace it with: `path`
[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/java/mod.rs:238:17
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 arguments: arguments,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `arguments`
[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/rust.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |             arguments: arguments,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `arguments`
[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/tokens.rs:180:22
[INFO] [stderr]     |
[INFO] [stderr] 180 |         WalkCustom { queue: queue }
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: replace it with: `queue`
[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: unneeded return statement
[INFO] [stderr]    --> src/dart/mod.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         return o;
[INFO] [stderr]     |         ^^^^^^^^^ help: remove `return` as shown: `o`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/macros.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             _t
[INFO] [stderr]    |             ^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/dart/mod.rs:91:20
[INFO] [stderr]    |
[INFO] [stderr] 91 |             return toks!();
[INFO] [stderr]    |                    ------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/macros.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |             let mut _t = $crate::Tokens::new();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/dart/mod.rs:91:20
[INFO] [stderr]    |
[INFO] [stderr] 91 |             return toks!();
[INFO] [stderr]    |                    ------- in this macro invocation
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/macros.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             _t
[INFO] [stderr]    |             ^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/dart/mod.rs:94:21
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut o = toks!();
[INFO] [stderr]    |                     ------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/macros.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |             let mut _t = $crate::Tokens::new();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/dart/mod.rs:94:21
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut o = toks!();
[INFO] [stderr]    |                     ------- in this macro invocation
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/tokens.rs:48:50
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn nested_into<B>(&mut self, builder: B) -> ()
[INFO] [stderr]    |                                                  ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/tokens.rs:84:48
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn push_into<B>(&mut self, builder: B) -> ()
[INFO] [stderr]    |                                                ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/dart/mod.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         return o;
[INFO] [stderr]     |         ^^^^^^^^^ help: remove `return` as shown: `o`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/macros.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             _t
[INFO] [stderr]    |             ^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/dart/mod.rs:91:20
[INFO] [stderr]    |
[INFO] [stderr] 91 |             return toks!();
[INFO] [stderr]    |                    ------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/macros.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |             let mut _t = $crate::Tokens::new();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/dart/mod.rs:91:20
[INFO] [stderr]    |
[INFO] [stderr] 91 |             return toks!();
[INFO] [stderr]    |                    ------- in this macro invocation
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/macros.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |             _t
[INFO] [stderr]    |             ^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/dart/mod.rs:94:21
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut o = toks!();
[INFO] [stderr]    |                     ------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/macros.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |             let mut _t = $crate::Tokens::new();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/dart/mod.rs:94:21
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut o = toks!();
[INFO] [stderr]    |                     ------- in this macro invocation
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/tokens.rs:48:50
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn nested_into<B>(&mut self, builder: B) -> ()
[INFO] [stderr]    |                                                  ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/tokens.rs:84:48
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn push_into<B>(&mut self, builder: B) -> ()
[INFO] [stderr]    |                                                ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `csharp::constructor::Constructor<'el>`
[INFO] [stderr]   --> src/csharp/constructor.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     pub fn new() -> Constructor<'el> {
[INFO] [stderr] 30 | |         Constructor {
[INFO] [stderr] 31 | |             modifiers: vec![Modifier::Public],
[INFO] [stderr] 32 | |             arguments: Vec::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |         }
[INFO] [stderr] 37 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Default for csharp::constructor::Constructor<'el> {
[INFO] [stderr] 28 |     fn default() -> Self {
[INFO] [stderr] 29 |         Self::new()
[INFO] [stderr] 30 |     }
[INFO] [stderr] 31 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/csharp/mod.rs:386:9
[INFO] [stderr]     |
[INFO] [stderr] 386 | /         self.as_optional()
[INFO] [stderr] 387 | |             .map(|opt| opt.clone())
[INFO] [stderr]     | |___________________________________^ help: Consider calling the dedicated `cloned` method: `self.as_optional().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/csharp/mod.rs:469:29
[INFO] [stderr]     |
[INFO] [stderr] 469 |               let qualified = match inner.qualified {
[INFO] [stderr]     |  _____________________________^
[INFO] [stderr] 470 | |                 true => true,
[INFO] [stderr] 471 | |                 false => {
[INFO] [stderr] 472 | |                     let file_namespace = extra.namespace.as_ref().map(|p| p.as_ref());
[INFO] [stderr] ...   |
[INFO] [stderr] 479 | |                 }
[INFO] [stderr] 480 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 469 |             let qualified = if inner.qualified { true } else {
[INFO] [stderr] 470 |     let file_namespace = extra.namespace.as_ref().map(|p| p.as_ref());
[INFO] [stderr] 471 |     let imported = extra
[INFO] [stderr] 472 |         .imported_names
[INFO] [stderr] 473 |         .get(inner.name.as_ref())
[INFO] [stderr] 474 |         .map(String::as_str);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/csharp/mod.rs:493:33
[INFO] [stderr]     |
[INFO] [stderr] 493 |             while let Some(n) = it.next() {
[INFO] [stderr]     |                                 ^^^^^^^^^ help: try: `for n in it { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]    --> src/csharp/mod.rs:527:31
[INFO] [stderr]     |
[INFO] [stderr] 527 |                 out.write_str(alias.as_ref())?;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^ help: try this: `alias`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_asref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]    --> src/dart/mod.rs:206:31
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 out.write_str(name.as_ref())?;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^ help: try this: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/formatter.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if s.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.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: length comparison to zero
[INFO] [stderr]   --> src/formatter.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |         if s.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/go.rs:122:85
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 if let Some(module) = module.as_ref().and_then(|m| m.as_ref().split("/").last()) {
[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: you should consider adding a `Default` implementation for `java::constructor::Constructor<'el>`
[INFO] [stderr]   --> src/java/constructor.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     pub fn new() -> Constructor<'el> {
[INFO] [stderr] 30 | |         Constructor {
[INFO] [stderr] 31 | |             modifiers: vec![Modifier::Public],
[INFO] [stderr] 32 | |             annotations: Tokens::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |         }
[INFO] [stderr] 37 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Default for java::constructor::Constructor<'el> {
[INFO] [stderr] 28 |     fn default() -> Self {
[INFO] [stderr] 29 |         Self::new()
[INFO] [stderr] 30 |     }
[INFO] [stderr] 31 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/java/mod.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 | /         match *java {
[INFO] [stderr] 181 | |             Class(ref class) => {
[INFO] [stderr] 182 | |                 for argument in &class.arguments {
[INFO] [stderr] 183 | |                     Self::type_imports(argument, modules);
[INFO] [stderr] ...   |
[INFO] [stderr] 188 | |             _ => {}
[INFO] [stderr] 189 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 180 |         if let Class(ref class) = *java {
[INFO] [stderr] 181 |     for argument in &class.arguments {
[INFO] [stderr] 182 |         Self::type_imports(argument, modules);
[INFO] [stderr] 183 |     }
[INFO] [stderr] 184 | 
[INFO] [stderr] 185 |     modules.insert((class.package.as_ref(), class.name.as_ref()));
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]    --> src/java/mod.rs:403:35
[INFO] [stderr]     |
[INFO] [stderr] 403 |                     out.write_str(boxed.as_ref())?;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: try this: `boxed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]    --> src/java/mod.rs:405:35
[INFO] [stderr]     |
[INFO] [stderr] 405 |                     out.write_str(primitive.as_ref())?;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^ help: try this: `primitive`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/java/mod.rs:425:41
[INFO] [stderr]     |
[INFO] [stderr] 425 |                     while let Some(n) = it.next() {
[INFO] [stderr]     |                                         ^^^^^^^^^ help: try: `for n in it { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/tokens.rs:124:42
[INFO] [stderr]     |
[INFO] [stderr] 124 |         self.elements.push(Push(Borrowed(tokens.into())));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^ help: consider removing `.into()`: `tokens`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/tokens.rs:215:25
[INFO] [stderr]     |
[INFO] [stderr] 215 |     pub fn to_file_with(self, mut extra: C::Extra) -> result::Result<String, fmt::Error> {
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/tokens.rs:222:27
[INFO] [stderr]     |
[INFO] [stderr] 222 |     pub fn to_string_with(self, mut extra: C::Extra) -> result::Result<String, fmt::Error> {
[INFO] [stderr]     |                           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/tokens.rs:231:20
[INFO] [stderr]     |
[INFO] [stderr] 231 |     pub fn to_file(self) -> result::Result<String, fmt::Error> {
[INFO] [stderr]     |                    ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/tokens.rs:236:22
[INFO] [stderr]     |
[INFO] [stderr] 236 |     pub fn to_string(self) -> result::Result<String, fmt::Error> {
[INFO] [stderr]     |                      ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/tokens.rs:267:32
[INFO] [stderr]     |
[INFO] [stderr] 267 |         while let Some(next) = it.next() {
[INFO] [stderr]     |                                ^^^^^^^^^ help: try: `for next in it { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/csharp/class.rs:162:29
[INFO] [stderr]     |
[INFO] [stderr] 162 |         c.implements = vec![local("Super").into()];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `local("Super")`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `csharp::constructor::Constructor<'el>`
[INFO] [stderr]   --> src/csharp/constructor.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     pub fn new() -> Constructor<'el> {
[INFO] [stderr] 30 | |         Constructor {
[INFO] [stderr] 31 | |             modifiers: vec![Modifier::Public],
[INFO] [stderr] 32 | |             arguments: Vec::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |         }
[INFO] [stderr] 37 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Default for csharp::constructor::Constructor<'el> {
[INFO] [stderr] 28 |     fn default() -> Self {
[INFO] [stderr] 29 |         Self::new()
[INFO] [stderr] 30 |     }
[INFO] [stderr] 31 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/csharp/mod.rs:386:9
[INFO] [stderr]     |
[INFO] [stderr] 386 | /         self.as_optional()
[INFO] [stderr] 387 | |             .map(|opt| opt.clone())
[INFO] [stderr]     | |___________________________________^ help: Consider calling the dedicated `cloned` method: `self.as_optional().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]    --> src/csharp/mod.rs:469:29
[INFO] [stderr]     |
[INFO] [stderr] 469 |               let qualified = match inner.qualified {
[INFO] [stderr]     |  _____________________________^
[INFO] [stderr] 470 | |                 true => true,
[INFO] [stderr] 471 | |                 false => {
[INFO] [stderr] 472 | |                     let file_namespace = extra.namespace.as_ref().map(|p| p.as_ref());
[INFO] [stderr] ...   |
[INFO] [stderr] 479 | |                 }
[INFO] [stderr] 480 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]     |
[INFO] [stderr] 469 |             let qualified = if inner.qualified { true } else {
[INFO] [stderr] 470 |     let file_namespace = extra.namespace.as_ref().map(|p| p.as_ref());
[INFO] [stderr] 471 |     let imported = extra
[INFO] [stderr] 472 |         .imported_names
[INFO] [stderr] 473 |         .get(inner.name.as_ref())
[INFO] [stderr] 474 |         .map(String::as_str);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/csharp/mod.rs:493:33
[INFO] [stderr]     |
[INFO] [stderr] 493 |             while let Some(n) = it.next() {
[INFO] [stderr]     |                                 ^^^^^^^^^ help: try: `for n in it { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]    --> src/csharp/mod.rs:527:31
[INFO] [stderr]     |
[INFO] [stderr] 527 |                 out.write_str(alias.as_ref())?;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^ help: try this: `alias`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_asref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]    --> src/dart/mod.rs:206:31
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 out.write_str(name.as_ref())?;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^ help: try this: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/formatter.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if s.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.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: length comparison to zero
[INFO] [stderr]   --> src/formatter.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |         if s.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/go.rs:122:85
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 if let Some(module) = module.as_ref().and_then(|m| m.as_ref().split("/").last()) {
[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: identical conversion
[INFO] [stderr]    --> src/java/class.rs:164:29
[INFO] [stderr]     |
[INFO] [stderr] 164 |         c.implements = vec![local("Super").into()];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `local("Super")`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `java::constructor::Constructor<'el>`
[INFO] [stderr]   --> src/java/constructor.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     pub fn new() -> Constructor<'el> {
[INFO] [stderr] 30 | |         Constructor {
[INFO] [stderr] 31 | |             modifiers: vec![Modifier::Public],
[INFO] [stderr] 32 | |             annotations: Tokens::new(),
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |         }
[INFO] [stderr] 37 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Default for java::constructor::Constructor<'el> {
[INFO] [stderr] 28 |     fn default() -> Self {
[INFO] [stderr] 29 |         Self::new()
[INFO] [stderr] 30 |     }
[INFO] [stderr] 31 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/java/mod.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 | /         match *java {
[INFO] [stderr] 181 | |             Class(ref class) => {
[INFO] [stderr] 182 | |                 for argument in &class.arguments {
[INFO] [stderr] 183 | |                     Self::type_imports(argument, modules);
[INFO] [stderr] ...   |
[INFO] [stderr] 188 | |             _ => {}
[INFO] [stderr] 189 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 180 |         if let Class(ref class) = *java {
[INFO] [stderr] 181 |     for argument in &class.arguments {
[INFO] [stderr] 182 |         Self::type_imports(argument, modules);
[INFO] [stderr] 183 |     }
[INFO] [stderr] 184 | 
[INFO] [stderr] 185 |     modules.insert((class.package.as_ref(), class.name.as_ref()));
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]    --> src/java/mod.rs:403:35
[INFO] [stderr]     |
[INFO] [stderr] 403 |                     out.write_str(boxed.as_ref())?;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^ help: try this: `boxed`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]    --> src/java/mod.rs:405:35
[INFO] [stderr]     |
[INFO] [stderr] 405 |                     out.write_str(primitive.as_ref())?;
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^ help: try this: `primitive`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/java/mod.rs:425:41
[INFO] [stderr]     |
[INFO] [stderr] 425 |                     while let Some(n) = it.next() {
[INFO] [stderr]     |                                         ^^^^^^^^^ help: try: `for n in it { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/tokens.rs:124:42
[INFO] [stderr]     |
[INFO] [stderr] 124 |         self.elements.push(Push(Borrowed(tokens.into())));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^ help: consider removing `.into()`: `tokens`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/tokens.rs:215:25
[INFO] [stderr]     |
[INFO] [stderr] 215 |     pub fn to_file_with(self, mut extra: C::Extra) -> result::Result<String, fmt::Error> {
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/tokens.rs:222:27
[INFO] [stderr]     |
[INFO] [stderr] 222 |     pub fn to_string_with(self, mut extra: C::Extra) -> result::Result<String, fmt::Error> {
[INFO] [stderr]     |                           ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/tokens.rs:231:20
[INFO] [stderr]     |
[INFO] [stderr] 231 |     pub fn to_file(self) -> result::Result<String, fmt::Error> {
[INFO] [stderr]     |                    ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/tokens.rs:236:22
[INFO] [stderr]     |
[INFO] [stderr] 236 |     pub fn to_string(self) -> result::Result<String, fmt::Error> {
[INFO] [stderr]     |                      ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/tokens.rs:267:32
[INFO] [stderr]     |
[INFO] [stderr] 267 |         while let Some(next) = it.next() {
[INFO] [stderr]     |                                ^^^^^^^^^ help: try: `for next in it { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `"docker" "inspect" "580980caeb0d300ae9526908a562a9cf91596a1bf118d7df9345b09886790b4c"`
[INFO] running `"docker" "rm" "-f" "580980caeb0d300ae9526908a562a9cf91596a1bf118d7df9345b09886790b4c"`
[INFO] [stdout] 580980caeb0d300ae9526908a562a9cf91596a1bf118d7df9345b09886790b4c