[INFO] crate esprit 0.0.5 is already in cache
[INFO] extracting crate esprit 0.0.5 into work/ex/clippy-test-run/sources/stable/reg/esprit/0.0.5
[INFO] extracting crate esprit 0.0.5 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/esprit/0.0.5
[INFO] validating manifest of esprit-0.0.5 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 esprit-0.0.5 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 esprit-0.0.5
[INFO] removed path dependency easter from esprit-0.0.5
[INFO] removed path dependency estree from esprit-0.0.5
[INFO] removed path dependency joker from esprit-0.0.5
[INFO] removed path dependency unjson from esprit-0.0.5
[INFO] finished frobbing esprit-0.0.5
[INFO] frobbed toml for esprit-0.0.5 written to work/ex/clippy-test-run/sources/stable/reg/esprit/0.0.5/Cargo.toml
[INFO] started frobbing esprit-0.0.5
[INFO] removed path dependency easter from esprit-0.0.5
[INFO] removed path dependency estree from esprit-0.0.5
[INFO] removed path dependency joker from esprit-0.0.5
[INFO] removed path dependency unjson from esprit-0.0.5
[INFO] finished frobbing esprit-0.0.5
[INFO] frobbed toml for esprit-0.0.5 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/esprit/0.0.5/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 esprit-0.0.5 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/esprit/0.0.5:/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" "-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] 02bf1c867267f9dc38af1373fbcec3546cbf7f3d9ccce32599121f338dd818d2
[INFO] running `"docker" "start" "-a" "02bf1c867267f9dc38af1373fbcec3546cbf7f3d9ccce32599121f338dd818d2"`
[INFO] [stderr]    Compiling esprit v0.0.5 (/opt/crater/workdir)
[INFO] [stderr]     Checking unjson v0.0.5
[INFO] [stderr]     Checking joker v0.0.5
[INFO] [stderr]     Checking easter v0.0.5
[INFO] [stderr]     Checking estree v0.0.5
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/track.rs:43:45
[INFO] [stderr]    |
[INFO] [stderr] 43 |         *value.tracking_mut() = Some(Span { start: start, end: end });
[INFO] [stderr]    |                                             ^^^^^^^^^^^^ help: replace it with: `start`
[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/track.rs:43:59
[INFO] [stderr]    |
[INFO] [stderr] 43 |         *value.tracking_mut() = Some(Span { start: start, 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/parser.rs:57:18
[INFO] [stderr]    |
[INFO] [stderr] 57 |         Parser { lexer: lexer, shared_cx: cx, parser_cx: context::Context::new() }
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: replace it with: `lexer`
[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/parser.rs:104:41
[INFO] [stderr]     |
[INFO] [stderr] 104 |             Ok(Params { location: None, list: list })
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: replace it with: `list`
[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/parser.rs:149:38
[INFO] [stderr]     |
[INFO] [stderr] 149 |             Ok(Fun { location: None, id: id, params: params, body: body })
[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/parser.rs:149:46
[INFO] [stderr]     |
[INFO] [stderr] 149 |             Ok(Fun { location: None, id: id, params: params, body: body })
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^ help: replace it with: `params`
[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/parser.rs:149:62
[INFO] [stderr]     |
[INFO] [stderr] 149 |             Ok(Fun { location: None, id: id, params: params, body: body })
[INFO] [stderr]     |                                                              ^^^^^^^^^^ help: replace it with: `body`
[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/parser.rs:263:25
[INFO] [stderr]     |
[INFO] [stderr] 263 |                         name: name
[INFO] [stderr]     |                         ^^^^^^^^^^ help: replace it with: `name`
[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/parser.rs:266:51
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 Ok(Id { location: Some(location), name: name })
[INFO] [stderr]     |                                                   ^^^^^^^^^^ help: replace it with: `name`
[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/parser.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 location: location,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `location`
[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/parser.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |                 newline: newline,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `newline`
[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/parser.rs:280:61
[INFO] [stderr]     |
[INFO] [stderr] 280 |                 Ok(Some(Id { location: Some(next.location), name: name }))
[INFO] [stderr]     |                                                             ^^^^^^^^^^ help: replace it with: `name`
[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/parser.rs:610:57
[INFO] [stderr]     |
[INFO] [stderr] 610 |             Ok(Case { location: None, test: Some(test), body: body })
[INFO] [stderr]     |                                                         ^^^^^^^^^^ help: replace it with: `body`
[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/parser.rs:636:51
[INFO] [stderr]     |
[INFO] [stderr] 636 |             Ok(Case { location: None, test: None, body: body })
[INFO] [stderr]     |                                                   ^^^^^^^^^^ help: replace it with: `body`
[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/parser.rs:758:48
[INFO] [stderr]     |
[INFO] [stderr] 758 |                     Ok(Catch { location: None, param: param, body: body })
[INFO] [stderr]     |                                                ^^^^^^^^^^^^ help: replace it with: `param`
[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/parser.rs:758:62
[INFO] [stderr]     |
[INFO] [stderr] 758 |                     Ok(Catch { location: None, param: param, body: body })
[INFO] [stderr]     |                                                              ^^^^^^^^^^ help: replace it with: `body`
[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/parser.rs:889:13
[INFO] [stderr]     |
[INFO] [stderr] 889 |             key: key,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `key`
[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/parser.rs:933:25
[INFO] [stderr]     |
[INFO] [stderr] 933 |                         key: key,
[INFO] [stderr]     |                         ^^^^^^^^ help: replace it with: `key`
[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/parser.rs:962:25
[INFO] [stderr]     |
[INFO] [stderr] 962 |                         key: key,
[INFO] [stderr]     |                         ^^^^^^^^ help: replace it with: `key`
[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/parser.rs:1071:53
[INFO] [stderr]      |
[INFO] [stderr] 1071 |             return Ok(Arguments { args: Vec::new(), 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/parser.rs:1081:24
[INFO] [stderr]      |
[INFO] [stderr] 1081 |         Ok(Arguments { args: args, end: end })
[INFO] [stderr]      |                        ^^^^^^^^^^ help: replace it with: `args`
[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/parser.rs:1081:36
[INFO] [stderr]      |
[INFO] [stderr] 1081 |         Ok(Arguments { args: args, 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/parser.rs:1255:54
[INFO] [stderr]      |
[INFO] [stderr] 1255 |         Ok(Some(Op { location: Some(token.location), tag: tag }))
[INFO] [stderr]      |                                                      ^^^^^^^^ help: replace it with: `tag`
[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: using `println!("")`
[INFO] [stderr]     --> src/parser.rs:1403:25
[INFO] [stderr]      |
[INFO] [stderr] 1403 |                         println!("");
[INFO] [stderr]      |                         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]     --> src/parser.rs:1413:21
[INFO] [stderr]      |
[INFO] [stderr] 1413 |                     println!("");
[INFO] [stderr]      |                     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]     --> src/parser.rs:1419:21
[INFO] [stderr]      |
[INFO] [stderr] 1419 |                     println!("");
[INFO] [stderr]      |                     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]     --> src/parser.rs:1469:25
[INFO] [stderr]      |
[INFO] [stderr] 1469 |                         println!("");
[INFO] [stderr]      |                         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]     --> src/parser.rs:1480:21
[INFO] [stderr]      |
[INFO] [stderr] 1480 |                     println!("");
[INFO] [stderr]      |                     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/stack.rs:132:34
[INFO] [stderr]     |
[INFO] [stderr] 132 |         self.frames.push(Frame { left: left, op: op });
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: replace it with: `left`
[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/stack.rs:132:46
[INFO] [stderr]     |
[INFO] [stderr] 132 |         self.frames.push(Frame { left: left, op: op });
[INFO] [stderr]     |                                              ^^^^^^ help: replace it with: `op`
[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/track.rs:43:45
[INFO] [stderr]    |
[INFO] [stderr] 43 |         *value.tracking_mut() = Some(Span { start: start, end: end });
[INFO] [stderr]    |                                             ^^^^^^^^^^^^ help: replace it with: `start`
[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/track.rs:43:59
[INFO] [stderr]    |
[INFO] [stderr] 43 |         *value.tracking_mut() = Some(Span { start: start, 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/parser.rs:57:18
[INFO] [stderr]    |
[INFO] [stderr] 57 |         Parser { lexer: lexer, shared_cx: cx, parser_cx: context::Context::new() }
[INFO] [stderr]    |                  ^^^^^^^^^^^^ help: replace it with: `lexer`
[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/parser.rs:104:41
[INFO] [stderr]     |
[INFO] [stderr] 104 |             Ok(Params { location: None, list: list })
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: replace it with: `list`
[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/parser.rs:149:38
[INFO] [stderr]     |
[INFO] [stderr] 149 |             Ok(Fun { location: None, id: id, params: params, body: body })
[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/parser.rs:149:46
[INFO] [stderr]     |
[INFO] [stderr] 149 |             Ok(Fun { location: None, id: id, params: params, body: body })
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^ help: replace it with: `params`
[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/parser.rs:149:62
[INFO] [stderr]     |
[INFO] [stderr] 149 |             Ok(Fun { location: None, id: id, params: params, body: body })
[INFO] [stderr]     |                                                              ^^^^^^^^^^ help: replace it with: `body`
[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/parser.rs:263:25
[INFO] [stderr]     |
[INFO] [stderr] 263 |                         name: name
[INFO] [stderr]     |                         ^^^^^^^^^^ help: replace it with: `name`
[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/parser.rs:266:51
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 Ok(Id { location: Some(location), name: name })
[INFO] [stderr]     |                                                   ^^^^^^^^^^ help: replace it with: `name`
[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/parser.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 location: location,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `location`
[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/parser.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |                 newline: newline,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `newline`
[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/parser.rs:280:61
[INFO] [stderr]     |
[INFO] [stderr] 280 |                 Ok(Some(Id { location: Some(next.location), name: name }))
[INFO] [stderr]     |                                                             ^^^^^^^^^^ help: replace it with: `name`
[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/parser.rs:610:57
[INFO] [stderr]     |
[INFO] [stderr] 610 |             Ok(Case { location: None, test: Some(test), body: body })
[INFO] [stderr]     |                                                         ^^^^^^^^^^ help: replace it with: `body`
[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/parser.rs:636:51
[INFO] [stderr]     |
[INFO] [stderr] 636 |             Ok(Case { location: None, test: None, body: body })
[INFO] [stderr]     |                                                   ^^^^^^^^^^ help: replace it with: `body`
[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/parser.rs:758:48
[INFO] [stderr]     |
[INFO] [stderr] 758 |                     Ok(Catch { location: None, param: param, body: body })
[INFO] [stderr]     |                                                ^^^^^^^^^^^^ help: replace it with: `param`
[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/parser.rs:758:62
[INFO] [stderr]     |
[INFO] [stderr] 758 |                     Ok(Catch { location: None, param: param, body: body })
[INFO] [stderr]     |                                                              ^^^^^^^^^^ help: replace it with: `body`
[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/parser.rs:889:13
[INFO] [stderr]     |
[INFO] [stderr] 889 |             key: key,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `key`
[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/parser.rs:933:25
[INFO] [stderr]     |
[INFO] [stderr] 933 |                         key: key,
[INFO] [stderr]     |                         ^^^^^^^^ help: replace it with: `key`
[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/parser.rs:962:25
[INFO] [stderr]     |
[INFO] [stderr] 962 |                         key: key,
[INFO] [stderr]     |                         ^^^^^^^^ help: replace it with: `key`
[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/parser.rs:1071:53
[INFO] [stderr]      |
[INFO] [stderr] 1071 |             return Ok(Arguments { args: Vec::new(), 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/parser.rs:1081:24
[INFO] [stderr]      |
[INFO] [stderr] 1081 |         Ok(Arguments { args: args, end: end })
[INFO] [stderr]      |                        ^^^^^^^^^^ help: replace it with: `args`
[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/parser.rs:1081:36
[INFO] [stderr]      |
[INFO] [stderr] 1081 |         Ok(Arguments { args: args, 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/parser.rs:1255:54
[INFO] [stderr]      |
[INFO] [stderr] 1255 |         Ok(Some(Op { location: Some(token.location), tag: tag }))
[INFO] [stderr]      |                                                      ^^^^^^^^ help: replace it with: `tag`
[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: using `println!("")`
[INFO] [stderr]     --> src/parser.rs:1403:25
[INFO] [stderr]      |
[INFO] [stderr] 1403 |                         println!("");
[INFO] [stderr]      |                         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]     --> src/parser.rs:1413:21
[INFO] [stderr]      |
[INFO] [stderr] 1413 |                     println!("");
[INFO] [stderr]      |                     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]     --> src/parser.rs:1419:21
[INFO] [stderr]      |
[INFO] [stderr] 1419 |                     println!("");
[INFO] [stderr]      |                     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]     --> src/parser.rs:1469:25
[INFO] [stderr]      |
[INFO] [stderr] 1469 |                         println!("");
[INFO] [stderr]      |                         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]     --> src/parser.rs:1480:21
[INFO] [stderr]      |
[INFO] [stderr] 1480 |                     println!("");
[INFO] [stderr]      |                     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/stack.rs:132:34
[INFO] [stderr]     |
[INFO] [stderr] 132 |         self.frames.push(Frame { left: left, op: op });
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: replace it with: `left`
[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/stack.rs:132:46
[INFO] [stderr]     |
[INFO] [stderr] 132 |         self.frames.push(Frame { left: left, op: op });
[INFO] [stderr]     |                                              ^^^^^^ help: replace it with: `op`
[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: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/context.rs:12:34
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn with_labels<F>(&mut self, mut labels: Vec<Id>, label_type: LabelType, op: F) -> Result<Stmt>
[INFO] [stderr]    |                                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(patterns_in_fns_without_body)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:364:67
[INFO] [stderr]     |
[INFO] [stderr] 364 |                 TokenData::Reserved(Reserved::Const)         => { return Err(Error::UnsupportedFeature("const")); }
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::UnsupportedFeature("const"))`
[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: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:944:28
[INFO] [stderr]     |
[INFO] [stderr] 944 |                     _ => { return Err(Error::UnexpectedToken(try!(self.read()))); }
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::UnexpectedToken(try!(self.read())))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:973:28
[INFO] [stderr]     |
[INFO] [stderr] 973 |                     _ => { return Err(Error::UnexpectedToken(try!(self.read()))); }
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::UnexpectedToken(try!(self.read())))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:984:28
[INFO] [stderr]     |
[INFO] [stderr] 984 |                     _ => { return Err(Error::UnexpectedToken(try!(self.read()))); }
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::UnexpectedToken(try!(self.read())))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: patterns aren't allowed in methods without bodies
[INFO] [stderr]   --> src/context.rs:12:34
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn with_labels<F>(&mut self, mut labels: Vec<Id>, label_type: LabelType, op: F) -> Result<Stmt>
[INFO] [stderr]    |                                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(patterns_in_fns_without_body)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #35203 <https://github.com/rust-lang/rust/issues/35203>
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:364:67
[INFO] [stderr]     |
[INFO] [stderr] 364 |                 TokenData::Reserved(Reserved::Const)         => { return Err(Error::UnsupportedFeature("const")); }
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::UnsupportedFeature("const"))`
[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: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:944:28
[INFO] [stderr]     |
[INFO] [stderr] 944 |                     _ => { return Err(Error::UnexpectedToken(try!(self.read()))); }
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::UnexpectedToken(try!(self.read())))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:973:28
[INFO] [stderr]     |
[INFO] [stderr] 973 |                     _ => { return Err(Error::UnexpectedToken(try!(self.read()))); }
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::UnexpectedToken(try!(self.read())))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/parser.rs:984:28
[INFO] [stderr]     |
[INFO] [stderr] 984 |                     _ => { return Err(Error::UnexpectedToken(try!(self.read()))); }
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::UnexpectedToken(try!(self.read())))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/atom.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | /         match self {
[INFO] [stderr] 12 | |             &Name::Atom(ref atom) => atom.is_reserved(mode),
[INFO] [stderr] 13 | |             _ => false
[INFO] [stderr] 14 | |         }
[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] 11 |         match *self {
[INFO] [stderr] 12 |             Name::Atom(ref atom) => atom.is_reserved(mode),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/track.rs:10:43
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn vec_span<T: TrackingRef>(&self, v: &Vec<T>) -> Option<Span>;
[INFO] [stderr]    |                                           ^^^^^^^ help: change this to: `&[T]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/track.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 | /         match try!(parser.peek()) {
[INFO] [stderr] 75 | |             &Token { value: TokenData::Semi, location, .. } => {
[INFO] [stderr] 76 | |                 parser.reread(TokenData::Semi);
[INFO] [stderr] 77 | |                 let mut result = cons(Semi::Explicit(Some(location.start)));
[INFO] [stderr] ...  |
[INFO] [stderr] 95 | |             }
[INFO] [stderr] 96 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[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] 75 |             Token { value: TokenData::Semi, location, .. } => {
[INFO] [stderr] 76 |                 parser.reread(TokenData::Semi);
[INFO] [stderr] 77 |                 let mut result = cons(Semi::Explicit(Some(location.start)));
[INFO] [stderr] 78 |                 *result.tracking_mut() = Some(Span { start: self.start, end: parser.posn() });
[INFO] [stderr] 79 |                 Ok(result)
[INFO] [stderr] 80 |             }
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: in an 'if' condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a 'let'
[INFO] [stderr]    --> src/parser.rs:855:12
[INFO] [stderr]     |
[INFO] [stderr] 855 |         if { let t = try!(self.peek()); t.value == TokenData::Comma || t.value == TokenData::RBrack } {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::block_in_if_condition_stmt)] on by default
[INFO] [stderr]     = help: try
[INFO] [stderr]             let res = { let t = try!(self.peek()); t.value == TokenData::Comma || t.value == TokenData::RBrack };
[INFO] [stderr]             if res {
[INFO] [stderr]                 return Ok(None);
[INFO] [stderr]             } ... 
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_stmt
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/parser.rs:1156:12
[INFO] [stderr]      |
[INFO] [stderr] 1156 |         if news.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!news.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/parser.rs:1162:20
[INFO] [stderr]      |
[INFO] [stderr] 1162 |                 if news.len() > 0 {
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!news.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: large size difference between variants
[INFO] [stderr]   --> src/expr.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Brack(Expr, Token),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]   --> src/expr.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Brack(Expr, Token),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/stack.rs:136:15
[INFO] [stderr]     |
[INFO] [stderr] 136 |         while self.frames.len() > 0 {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.frames.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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/atom.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | /         match self {
[INFO] [stderr] 12 | |             &Name::Atom(ref atom) => atom.is_reserved(mode),
[INFO] [stderr] 13 | |             _ => false
[INFO] [stderr] 14 | |         }
[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] 11 |         match *self {
[INFO] [stderr] 12 |             Name::Atom(ref atom) => atom.is_reserved(mode),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/track.rs:10:43
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn vec_span<T: TrackingRef>(&self, v: &Vec<T>) -> Option<Span>;
[INFO] [stderr]    |                                           ^^^^^^^ help: change this to: `&[T]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/track.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 | /         match try!(parser.peek()) {
[INFO] [stderr] 75 | |             &Token { value: TokenData::Semi, location, .. } => {
[INFO] [stderr] 76 | |                 parser.reread(TokenData::Semi);
[INFO] [stderr] 77 | |                 let mut result = cons(Semi::Explicit(Some(location.start)));
[INFO] [stderr] ...  |
[INFO] [stderr] 95 | |             }
[INFO] [stderr] 96 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[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] 75 |             Token { value: TokenData::Semi, location, .. } => {
[INFO] [stderr] 76 |                 parser.reread(TokenData::Semi);
[INFO] [stderr] 77 |                 let mut result = cons(Semi::Explicit(Some(location.start)));
[INFO] [stderr] 78 |                 *result.tracking_mut() = Some(Span { start: self.start, end: parser.posn() });
[INFO] [stderr] 79 |                 Ok(result)
[INFO] [stderr] 80 |             }
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: in an 'if' condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a 'let'
[INFO] [stderr]    --> src/parser.rs:855:12
[INFO] [stderr]     |
[INFO] [stderr] 855 |         if { let t = try!(self.peek()); t.value == TokenData::Comma || t.value == TokenData::RBrack } {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::block_in_if_condition_stmt)] on by default
[INFO] [stderr]     = help: try
[INFO] [stderr]             let res = { let t = try!(self.peek()); t.value == TokenData::Comma || t.value == TokenData::RBrack };
[INFO] [stderr]             if res {
[INFO] [stderr]                 return Ok(None);
[INFO] [stderr]             } ... 
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_stmt
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/parser.rs:1156:12
[INFO] [stderr]      |
[INFO] [stderr] 1156 |         if news.len() > 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!news.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/parser.rs:1162:20
[INFO] [stderr]      |
[INFO] [stderr] 1162 |                 if news.len() > 0 {
[INFO] [stderr]      |                    ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!news.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: you don't need to add `&` to all patterns
[INFO] [stderr]     --> src/parser.rs:1495:9
[INFO] [stderr]      |
[INFO] [stderr] 1495 | /         match ast.body.first().unwrap() {
[INFO] [stderr] 1496 | |             &StmtListItem::Stmt(Stmt::Expr(_, Expr::Assign(_, _, Patt::Simple(AssignTarget::Id(ref id)), _), _)) => {
[INFO] [stderr] 1497 | |                 assert!(id.name.as_ref() == "foobar");
[INFO] [stderr] 1498 | |             }
[INFO] [stderr] 1499 | |             _ => { panic!("unexpected AST structure"); }
[INFO] [stderr] 1500 | |         }
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[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] 1495 |         match *ast.body.first().unwrap() {
[INFO] [stderr] 1496 |             StmtListItem::Stmt(Stmt::Expr(_, Expr::Assign(_, _, Patt::Simple(AssignTarget::Id(ref id)), _), _)) => {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: large size difference between variants
[INFO] [stderr]   --> src/expr.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Brack(Expr, Token),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]   --> src/expr.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Brack(Expr, Token),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/stack.rs:136:15
[INFO] [stderr]     |
[INFO] [stderr] 136 |         while self.frames.len() > 0 {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.frames.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]     Finished dev [unoptimized + debuginfo] target(s) in 8.71s
[INFO] running `"docker" "inspect" "02bf1c867267f9dc38af1373fbcec3546cbf7f3d9ccce32599121f338dd818d2"`
[INFO] running `"docker" "rm" "-f" "02bf1c867267f9dc38af1373fbcec3546cbf7f3d9ccce32599121f338dd818d2"`
[INFO] [stdout] 02bf1c867267f9dc38af1373fbcec3546cbf7f3d9ccce32599121f338dd818d2