[INFO] crate nginx-config 0.13.2 is already in cache
[INFO] extracting crate nginx-config 0.13.2 into work/ex/clippy-test-run/sources/stable/reg/nginx-config/0.13.2
[INFO] extracting crate nginx-config 0.13.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nginx-config/0.13.2
[INFO] validating manifest of nginx-config-0.13.2 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 nginx-config-0.13.2 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 nginx-config-0.13.2
[INFO] finished frobbing nginx-config-0.13.2
[INFO] frobbed toml for nginx-config-0.13.2 written to work/ex/clippy-test-run/sources/stable/reg/nginx-config/0.13.2/Cargo.toml
[INFO] started frobbing nginx-config-0.13.2
[INFO] finished frobbing nginx-config-0.13.2
[INFO] frobbed toml for nginx-config-0.13.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nginx-config/0.13.2/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 nginx-config-0.13.2 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/nginx-config/0.13.2:/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] 6fec2dad35fa9e60c5abc4f8777bf3c85b2a9b4c50b6d453a6fb34380de33bdd
[INFO] running `"docker" "start" "-a" "6fec2dad35fa9e60c5abc4f8777bf3c85b2a9b4c50b6d453a6fb34380de33bdd"`
[INFO] [stderr]     Checking combine v3.6.6
[INFO] [stderr]     Checking nginx-config v0.13.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/helpers.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         kind: kind,
[INFO] [stderr]    |         ^^^^^^^^^^ help: replace it with: `kind`
[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/helpers.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         value: value,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/helpers.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         value: value,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/rewrite.rs:88:30
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 => Ok(Text { code: code, text: Some(target) }),
[INFO] [stderr]    |                              ^^^^^^^^^^ help: replace it with: `code`
[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/rewrite.rs:104:38
[INFO] [stderr]     |
[INFO] [stderr] 104 |                         => Ok(Text { code: code, text: None }),
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: replace it with: `code`
[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/helpers.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         kind: kind,
[INFO] [stderr]    |         ^^^^^^^^^^ help: replace it with: `kind`
[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/helpers.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         value: value,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/helpers.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         value: value,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/rewrite.rs:88:30
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 => Ok(Text { code: code, text: Some(target) }),
[INFO] [stderr]    |                              ^^^^^^^^^^ help: replace it with: `code`
[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/rewrite.rs:104:38
[INFO] [stderr]     |
[INFO] [stderr] 104 |                         => Ok(Text { code: code, text: None }),
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: replace it with: `code`
[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: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]    --> src/display.rs:344:57
[INFO] [stderr]     |
[INFO] [stderr] 344 |             If(ast::If { ref condition, ref directives, position: _ }) => {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]     = help: Try with `If { ref condition, ref directives, .. }`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/display.rs:677:5
[INFO] [stderr]     |
[INFO] [stderr] 677 |     return s
[INFO] [stderr]     |     ^^^^^^^^ help: remove `return` as shown: `s`
[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/error.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         return ParseError(Errors { position: e.position, errors: error_buf })
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ParseError(Errors { position: e.position, errors: error_buf })`
[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/grammar.rs:206:18
[INFO] [stderr]     |
[INFO] [stderr] 206 |               _ => return Err(Error::unexpected_message(
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 207 | |                 format!("invalid response code {}", code))),
[INFO] [stderr]     | |___________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 206 |             _ => Err(Error::unexpected_message(
[INFO] [stderr] 207 |                 format!("invalid response code {}", code))),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/tokenizer.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 return Ok((String, nchars));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok((String, nchars))`
[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/value.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         return Err(Error::unexpected_message("unclosed quote"));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::unexpected_message("unclosed quote"))`
[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/value.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         return false;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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/visitors.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 return Some(x);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(x)`
[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/core.rs:32:31
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Literal(ref x) => return Ok(x),
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: remove `return` as shown: `Ok(x)`
[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/core.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |               _ => return Err(Error::unexpected_message(
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 34 | |                 "only last argument of error_codes \
[INFO] [stderr] 35 | |                 can contain variables")),
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 33 |             _ => Err(Error::unexpected_message(
[INFO] [stderr] 34 |                 "only last argument of error_codes \
[INFO] [stderr] 35 |                 can contain variables")),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/core.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 |         return lst;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: remove `return` as shown: `lst`
[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/proxy.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 return Ok(Specific(codes, time));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Specific(codes, time))`
[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/rewrite.rs:74:31
[INFO] [stderr]    |
[INFO] [stderr] 74 |             Literal(ref x) => return Ok(x),
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: remove `return` as shown: `Ok(x)`
[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/rewrite.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |               _ => return Err(Error::unexpected_message(
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 76 | |                 "return code can't contain variables")),
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 75 |             _ => Err(Error::unexpected_message(
[INFO] [stderr] 76 |                 "return code can't contain variables")),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/rewrite.rs:167:17
[INFO] [stderr]     |
[INFO] [stderr] 167 |         "-d" => return Ok(DirExists(right)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(DirExists(right))`
[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/rewrite.rs:168:18
[INFO] [stderr]     |
[INFO] [stderr] 168 |         "!-d" => return Ok(DirNotExists(right)),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(DirNotExists(right))`
[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/rewrite.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |         "-f" => return Ok(FileExists(right)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(FileExists(right))`
[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/rewrite.rs:170:18
[INFO] [stderr]     |
[INFO] [stderr] 170 |         "!-f" => return Ok(FileNotExists(right)),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(FileNotExists(right))`
[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/rewrite.rs:171:17
[INFO] [stderr]     |
[INFO] [stderr] 171 |         "-x" => return Ok(Executable(right)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Executable(right))`
[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/rewrite.rs:172:18
[INFO] [stderr]     |
[INFO] [stderr] 172 |         "!-x" => return Ok(NotExecutable(right)),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(NotExecutable(right))`
[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/rewrite.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 |         "-e" => return Ok(Exists(right)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Exists(right))`
[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/rewrite.rs:174:18
[INFO] [stderr]     |
[INFO] [stderr] 174 |         "!-e" => return Ok(NotExists(right)),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(NotExists(right))`
[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/rewrite.rs:175:14
[INFO] [stderr]     |
[INFO] [stderr] 175 |         _ => return Err(Error::unexpected_message("missing parenthesis")),
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::unexpected_message("missing parenthesis"))`
[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/rewrite.rs:195:16
[INFO] [stderr]     |
[INFO] [stderr] 195 |         "=" => return Ok(Eq(left, right)),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Eq(left, right))`
[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/rewrite.rs:196:17
[INFO] [stderr]     |
[INFO] [stderr] 196 |         "!=" => return Ok(Neq(left, right)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Neq(left, right))`
[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/rewrite.rs:197:16
[INFO] [stderr]     |
[INFO] [stderr] 197 |         "~" => return Ok(RegEq(left, right, true)),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(RegEq(left, right, true))`
[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/rewrite.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |         "!~" => return Ok(RegNeq(left, right, true)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(RegNeq(left, right, true))`
[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/rewrite.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |         "~*" => return Ok(RegEq(left, right, false)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(RegEq(left, right, false))`
[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/rewrite.rs:200:18
[INFO] [stderr]     |
[INFO] [stderr] 200 |         "!~*" => return Ok(RegNeq(left, right, false)),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(RegNeq(left, right, false))`
[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/rewrite.rs:201:14
[INFO] [stderr]     |
[INFO] [stderr] 201 |         _ => return Err(Error::unexpected_message("missing parenthesis")),
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::unexpected_message("missing parenthesis"))`
[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 matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]    --> src/display.rs:344:57
[INFO] [stderr]     |
[INFO] [stderr] 344 |             If(ast::If { ref condition, ref directives, position: _ }) => {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]     = help: Try with `If { ref condition, ref directives, .. }`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/display.rs:677:5
[INFO] [stderr]     |
[INFO] [stderr] 677 |     return s
[INFO] [stderr]     |     ^^^^^^^^ help: remove `return` as shown: `s`
[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/error.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         return ParseError(Errors { position: e.position, errors: error_buf })
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ParseError(Errors { position: e.position, errors: error_buf })`
[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/grammar.rs:206:18
[INFO] [stderr]     |
[INFO] [stderr] 206 |               _ => return Err(Error::unexpected_message(
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 207 | |                 format!("invalid response code {}", code))),
[INFO] [stderr]     | |___________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 206 |             _ => Err(Error::unexpected_message(
[INFO] [stderr] 207 |                 format!("invalid response code {}", code))),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/tokenizer.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 return Ok((String, nchars));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok((String, nchars))`
[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/tokenizer.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         return r;
[INFO] [stderr]     |         ^^^^^^^^^ help: remove `return` as shown: `r`
[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/tokenizer.rs:266:9
[INFO] [stderr]     |
[INFO] [stderr] 266 |         return r;
[INFO] [stderr]     |         ^^^^^^^^^ help: remove `return` as shown: `r`
[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/value.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         return Err(Error::unexpected_message("unclosed quote"));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::unexpected_message("unclosed quote"))`
[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/value.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         return false;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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/visitors.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 return Some(x);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(x)`
[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/core.rs:32:31
[INFO] [stderr]    |
[INFO] [stderr] 32 |             Literal(ref x) => return Ok(x),
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: remove `return` as shown: `Ok(x)`
[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/core.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 |               _ => return Err(Error::unexpected_message(
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 34 | |                 "only last argument of error_codes \
[INFO] [stderr] 35 | |                 can contain variables")),
[INFO] [stderr]    | |________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 33 |             _ => Err(Error::unexpected_message(
[INFO] [stderr] 34 |                 "only last argument of error_codes \
[INFO] [stderr] 35 |                 can contain variables")),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/core.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 |         return lst;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: remove `return` as shown: `lst`
[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/proxy.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 return Ok(Specific(codes, time));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Specific(codes, time))`
[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/rewrite.rs:74:31
[INFO] [stderr]    |
[INFO] [stderr] 74 |             Literal(ref x) => return Ok(x),
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: remove `return` as shown: `Ok(x)`
[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/rewrite.rs:75:18
[INFO] [stderr]    |
[INFO] [stderr] 75 |               _ => return Err(Error::unexpected_message(
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 76 | |                 "return code can't contain variables")),
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 75 |             _ => Err(Error::unexpected_message(
[INFO] [stderr] 76 |                 "return code can't contain variables")),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/rewrite.rs:167:17
[INFO] [stderr]     |
[INFO] [stderr] 167 |         "-d" => return Ok(DirExists(right)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(DirExists(right))`
[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/rewrite.rs:168:18
[INFO] [stderr]     |
[INFO] [stderr] 168 |         "!-d" => return Ok(DirNotExists(right)),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(DirNotExists(right))`
[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/rewrite.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |         "-f" => return Ok(FileExists(right)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(FileExists(right))`
[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/rewrite.rs:170:18
[INFO] [stderr]     |
[INFO] [stderr] 170 |         "!-f" => return Ok(FileNotExists(right)),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(FileNotExists(right))`
[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/rewrite.rs:171:17
[INFO] [stderr]     |
[INFO] [stderr] 171 |         "-x" => return Ok(Executable(right)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Executable(right))`
[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/rewrite.rs:172:18
[INFO] [stderr]     |
[INFO] [stderr] 172 |         "!-x" => return Ok(NotExecutable(right)),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(NotExecutable(right))`
[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/rewrite.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 |         "-e" => return Ok(Exists(right)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Exists(right))`
[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/rewrite.rs:174:18
[INFO] [stderr]     |
[INFO] [stderr] 174 |         "!-e" => return Ok(NotExists(right)),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(NotExists(right))`
[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/rewrite.rs:175:14
[INFO] [stderr]     |
[INFO] [stderr] 175 |         _ => return Err(Error::unexpected_message("missing parenthesis")),
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::unexpected_message("missing parenthesis"))`
[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/rewrite.rs:195:16
[INFO] [stderr]     |
[INFO] [stderr] 195 |         "=" => return Ok(Eq(left, right)),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Eq(left, right))`
[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/rewrite.rs:196:17
[INFO] [stderr]     |
[INFO] [stderr] 196 |         "!=" => return Ok(Neq(left, right)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Neq(left, right))`
[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/rewrite.rs:197:16
[INFO] [stderr]     |
[INFO] [stderr] 197 |         "~" => return Ok(RegEq(left, right, true)),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(RegEq(left, right, true))`
[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/rewrite.rs:198:17
[INFO] [stderr]     |
[INFO] [stderr] 198 |         "!~" => return Ok(RegNeq(left, right, true)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(RegNeq(left, right, true))`
[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/rewrite.rs:199:17
[INFO] [stderr]     |
[INFO] [stderr] 199 |         "~*" => return Ok(RegEq(left, right, false)),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(RegEq(left, right, false))`
[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/rewrite.rs:200:18
[INFO] [stderr]     |
[INFO] [stderr] 200 |         "!~*" => return Ok(RegNeq(left, right, false)),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(RegNeq(left, right, false))`
[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/rewrite.rs:201:14
[INFO] [stderr]     |
[INFO] [stderr] 201 |         _ => return Err(Error::unexpected_message("missing parenthesis")),
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(Error::unexpected_message("missing parenthesis"))`
[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: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
[INFO] [stderr]    --> src/ast.rs:303:15
[INFO] [stderr]     |
[INFO] [stderr] 303 |     pub gzip: Option<Option<u8>>,
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_option)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_option
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 44
[INFO] [stderr]    --> src/display.rs:43:5
[INFO] [stderr]     |
[INFO] [stderr] 43  | /     fn display(&self, f: &mut Formatter) {
[INFO] [stderr] 44  | |         use ast::Item::*;
[INFO] [stderr] 45  | |         match *self {
[INFO] [stderr] 46  | |             | Daemon(opt)
[INFO] [stderr] ...   |
[INFO] [stderr] 592 | |         }
[INFO] [stderr] 593 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/error.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 | /                     match item {
[INFO] [stderr] 62 | |                         Info::Borrowed(item) => {
[INFO] [stderr] 63 | |                             let conf = jaro_winkler(&unexpected, item);
[INFO] [stderr] 64 | |                             if conf > 0.8 {
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                         }
[INFO] [stderr] 72 | |                     }
[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] 61 |                     if let Info::Borrowed(item) = item {
[INFO] [stderr] 62 |     let conf = jaro_winkler(&unexpected, item);
[INFO] [stderr] 63 |     if conf > 0.8 {
[INFO] [stderr] 64 |         close.push((item, conf));
[INFO] [stderr] 65 |     }
[INFO] [stderr] 66 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/grammar.rs:59:36
[INFO] [stderr]    |
[INFO] [stderr] 59 |             if t.value.starts_with("~") {
[INFO] [stderr]    |                                    ^^^ help: try using a char instead: `'~'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/grammar.rs:65:43
[INFO] [stderr]    |
[INFO] [stderr] 65 |             } else if t.value.starts_with(".") {
[INFO] [stderr]    |                                           ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/grammar.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 | /     enum Tok {
[INFO] [stderr] 81 | |         Hostnames,
[INFO] [stderr] 82 | |         Volatile,
[INFO] [stderr] 83 | |         Pattern(String, Value),
[INFO] [stderr] 84 | |         Default(Value),
[INFO] [stderr] 85 | |         Include(String),
[INFO] [stderr] 86 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![warn(missing_debug_implementations)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/grammar.rs:105:44
[INFO] [stderr]     |
[INFO] [stderr] 105 |         ident("default").with(value()).map(|v| Tok::Default(v)),
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Tok::Default`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/grammar.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |         ident("include").with(raw()).map(|v| Tok::Include(v)),
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Tok::Include`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/grammar.rs:139:49
[INFO] [stderr]     |
[INFO] [stderr] 139 |                         } else if s.starts_with(".") {
[INFO] [stderr]     |                                                 ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: some ranges overlap
[INFO] [stderr]    --> src/grammar.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |             200...599 => Ok(Code::Normal(code)),
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_overlapping_arm)] on by default
[INFO] [stderr] note: overlaps with this
[INFO] [stderr]    --> src/grammar.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |             301 | 302 | 303 | 307 | 308 => Ok(Code::Redirect(code)),
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_overlapping_arm
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/grammar.rs:230:43
[INFO] [stderr]     |
[INFO] [stderr] 230 |             [Literal(x)] if x.starts_with("=") => {
[INFO] [stderr]     |                                           ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/grammar.rs:233:43
[INFO] [stderr]     |
[INFO] [stderr] 233 |             [Literal(x)] if x.starts_with("@") => {
[INFO] [stderr]     |                                           ^^^ help: try using a char instead: `'@'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/value.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     pub(crate) fn parse<'a>(position: Pos, tok: Token<'a>)
[INFO] [stderr] 32 | |         -> Result<Value, Error<Token<'a>, Token<'a>>>
[INFO] [stderr] 33 | |     {
[INFO] [stderr] 34 | |         Value::parse_str(position, tok.value)
[INFO] [stderr] 35 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/value.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |         } else if token.starts_with("'") {
[INFO] [stderr]    |                                     ^^^ help: try using a char instead: `'''`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/value.rs:99:34
[INFO] [stderr]    |
[INFO] [stderr] 99 |                                 .unwrap_or(value.len());
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| value.len())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/value.rs:137:24
[INFO] [stderr]     |
[INFO] [stderr] 137 |                     if cur_slice.len() > 0 {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!cur_slice.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/value.rs:151:24
[INFO] [stderr]     |
[INFO] [stderr] 151 |                     if cur_slice.len() > 0 {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!cur_slice.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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/value.rs:241:24
[INFO] [stderr]     |
[INFO] [stderr] 241 | fn next_alphanum(data: &Vec<Item>, index: usize) -> bool {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: change this to: `&[Item]`
[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 seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/visitors.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 | /         match self.cur.take() {
[INFO] [stderr] 34 | |             Some(dir) => {
[INFO] [stderr] 35 | |                 if let Some(ch) = dir.item.children() {
[INFO] [stderr] 36 | |                     self.queue.extend(ch.iter().rev());
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |             None => {}
[INFO] [stderr] 40 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[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] 33 |         if let Some(dir) = self.cur.take() {
[INFO] [stderr] 34 |     if let Some(ch) = dir.item.children() {
[INFO] [stderr] 35 |         self.queue.extend(ch.iter().rev());
[INFO] [stderr] 36 |     }
[INFO] [stderr] 37 | }
[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/visitors.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 | /         match dir.item.children_mut() {
[INFO] [stderr] 64 | |             Some(children) => _visit_mutable(children, f),
[INFO] [stderr] 65 | |             None => {}
[INFO] [stderr] 66 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Some(children) = dir.item.children_mut() { _visit_mutable(children, f) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/visitors.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let ref mut f = f;
[INFO] [stderr]    |         ----^^^^^^^^^----- help: try: `let f = &mut f;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/visitors.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let ref mut inner_visitor = inner_visitor;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^----------------- help: try: `let inner_visitor = &mut inner_visitor;`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/access.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / fn parse_source<'a>(val: Token<'a>)
[INFO] [stderr] 14 | |     -> Result<Source, Error<Token<'a>, Token<'a>>>
[INFO] [stderr] 15 | | {
[INFO] [stderr] 16 | |     let value = val.value;
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |     }
[INFO] [stderr] 32 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/core.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | / enum ListenParts {
[INFO] [stderr] 81 | |     DefaultServer,
[INFO] [stderr] 82 | |     Ssl,
[INFO] [stderr] 83 | |     Ext(ast::HttpExt),
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |     ReusePort,
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/proxy.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 if v.len() == 0 {
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `v.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: length comparison to zero
[INFO] [stderr]    --> src/rewrite.rs:163:8
[INFO] [stderr]     |
[INFO] [stderr] 163 |     if v.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!v.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: length comparison to zero
[INFO] [stderr]    --> src/rewrite.rs:185:8
[INFO] [stderr]     |
[INFO] [stderr] 185 |     if v.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `v.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: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/log.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     enum I {
[INFO] [stderr] 17 | |         If(Value),
[INFO] [stderr] 18 | |         Gzip(Option<u8>),
[INFO] [stderr] 19 | |         Flush(String),
[INFO] [stderr] 20 | |         Buffer(String),
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/real_ip.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / fn parse_source<'a>(val: Token<'a>)
[INFO] [stderr] 14 | |     -> Result<RealIpFrom, Error<Token<'a>, Token<'a>>>
[INFO] [stderr] 15 | | {
[INFO] [stderr] 16 | |     let value = val.value;
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |     }
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
[INFO] [stderr]    --> src/ast.rs:303:15
[INFO] [stderr]     |
[INFO] [stderr] 303 |     pub gzip: Option<Option<u8>>,
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_option)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_option
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 44
[INFO] [stderr]    --> src/display.rs:43:5
[INFO] [stderr]     |
[INFO] [stderr] 43  | /     fn display(&self, f: &mut Formatter) {
[INFO] [stderr] 44  | |         use ast::Item::*;
[INFO] [stderr] 45  | |         match *self {
[INFO] [stderr] 46  | |             | Daemon(opt)
[INFO] [stderr] ...   |
[INFO] [stderr] 592 | |         }
[INFO] [stderr] 593 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/error.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 | /                     match item {
[INFO] [stderr] 62 | |                         Info::Borrowed(item) => {
[INFO] [stderr] 63 | |                             let conf = jaro_winkler(&unexpected, item);
[INFO] [stderr] 64 | |                             if conf > 0.8 {
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |                         }
[INFO] [stderr] 72 | |                     }
[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] 61 |                     if let Info::Borrowed(item) = item {
[INFO] [stderr] 62 |     let conf = jaro_winkler(&unexpected, item);
[INFO] [stderr] 63 |     if conf > 0.8 {
[INFO] [stderr] 64 |         close.push((item, conf));
[INFO] [stderr] 65 |     }
[INFO] [stderr] 66 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/grammar.rs:59:36
[INFO] [stderr]    |
[INFO] [stderr] 59 |             if t.value.starts_with("~") {
[INFO] [stderr]    |                                    ^^^ help: try using a char instead: `'~'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/grammar.rs:65:43
[INFO] [stderr]    |
[INFO] [stderr] 65 |             } else if t.value.starts_with(".") {
[INFO] [stderr]    |                                           ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/grammar.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 | /     enum Tok {
[INFO] [stderr] 81 | |         Hostnames,
[INFO] [stderr] 82 | |         Volatile,
[INFO] [stderr] 83 | |         Pattern(String, Value),
[INFO] [stderr] 84 | |         Default(Value),
[INFO] [stderr] 85 | |         Include(String),
[INFO] [stderr] 86 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | #![warn(missing_debug_implementations)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/grammar.rs:105:44
[INFO] [stderr]     |
[INFO] [stderr] 105 |         ident("default").with(value()).map(|v| Tok::Default(v)),
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Tok::Default`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/grammar.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |         ident("include").with(raw()).map(|v| Tok::Include(v)),
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Tok::Include`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/grammar.rs:139:49
[INFO] [stderr]     |
[INFO] [stderr] 139 |                         } else if s.starts_with(".") {
[INFO] [stderr]     |                                                 ^^^ help: try using a char instead: `'.'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: some ranges overlap
[INFO] [stderr]    --> src/grammar.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |             200...599 => Ok(Code::Normal(code)),
[INFO] [stderr]     |             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_overlapping_arm)] on by default
[INFO] [stderr] note: overlaps with this
[INFO] [stderr]    --> src/grammar.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |             301 | 302 | 303 | 307 | 308 => Ok(Code::Redirect(code)),
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_overlapping_arm
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/grammar.rs:230:43
[INFO] [stderr]     |
[INFO] [stderr] 230 |             [Literal(x)] if x.starts_with("=") => {
[INFO] [stderr]     |                                           ^^^ help: try using a char instead: `'='`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/grammar.rs:233:43
[INFO] [stderr]     |
[INFO] [stderr] 233 |             [Literal(x)] if x.starts_with("@") => {
[INFO] [stderr]     |                                           ^^^ help: try using a char instead: `'@'`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/value.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     pub(crate) fn parse<'a>(position: Pos, tok: Token<'a>)
[INFO] [stderr] 32 | |         -> Result<Value, Error<Token<'a>, Token<'a>>>
[INFO] [stderr] 33 | |     {
[INFO] [stderr] 34 | |         Value::parse_str(position, tok.value)
[INFO] [stderr] 35 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/value.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |         } else if token.starts_with("'") {
[INFO] [stderr]    |                                     ^^^ help: try using a char instead: `'''`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/value.rs:99:34
[INFO] [stderr]    |
[INFO] [stderr] 99 |                                 .unwrap_or(value.len());
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| value.len())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/value.rs:137:24
[INFO] [stderr]     |
[INFO] [stderr] 137 |                     if cur_slice.len() > 0 {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!cur_slice.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/value.rs:151:24
[INFO] [stderr]     |
[INFO] [stderr] 151 |                     if cur_slice.len() > 0 {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!cur_slice.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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/value.rs:241:24
[INFO] [stderr]     |
[INFO] [stderr] 241 | fn next_alphanum(data: &Vec<Item>, index: usize) -> bool {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: change this to: `&[Item]`
[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 seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/visitors.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 | /         match self.cur.take() {
[INFO] [stderr] 34 | |             Some(dir) => {
[INFO] [stderr] 35 | |                 if let Some(ch) = dir.item.children() {
[INFO] [stderr] 36 | |                     self.queue.extend(ch.iter().rev());
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |             None => {}
[INFO] [stderr] 40 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[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] 33 |         if let Some(dir) = self.cur.take() {
[INFO] [stderr] 34 |     if let Some(ch) = dir.item.children() {
[INFO] [stderr] 35 |         self.queue.extend(ch.iter().rev());
[INFO] [stderr] 36 |     }
[INFO] [stderr] 37 | }
[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/visitors.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 | /         match dir.item.children_mut() {
[INFO] [stderr] 64 | |             Some(children) => _visit_mutable(children, f),
[INFO] [stderr] 65 | |             None => {}
[INFO] [stderr] 66 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Some(children) = dir.item.children_mut() { _visit_mutable(children, f) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/visitors.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let ref mut f = f;
[INFO] [stderr]    |         ----^^^^^^^^^----- help: try: `let f = &mut f;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/visitors.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let ref mut inner_visitor = inner_visitor;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^----------------- help: try: `let inner_visitor = &mut inner_visitor;`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/access.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / fn parse_source<'a>(val: Token<'a>)
[INFO] [stderr] 14 | |     -> Result<Source, Error<Token<'a>, Token<'a>>>
[INFO] [stderr] 15 | | {
[INFO] [stderr] 16 | |     let value = val.value;
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |     }
[INFO] [stderr] 32 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/core.rs:80:1
[INFO] [stderr]    |
[INFO] [stderr] 80 | / enum ListenParts {
[INFO] [stderr] 81 | |     DefaultServer,
[INFO] [stderr] 82 | |     Ssl,
[INFO] [stderr] 83 | |     Ext(ast::HttpExt),
[INFO] [stderr] ...  |
[INFO] [stderr] 93 | |     ReusePort,
[INFO] [stderr] 94 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/proxy.rs:31:20
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 if v.len() == 0 {
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `v.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: length comparison to zero
[INFO] [stderr]    --> src/rewrite.rs:163:8
[INFO] [stderr]     |
[INFO] [stderr] 163 |     if v.len() > 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!v.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: length comparison to zero
[INFO] [stderr]    --> src/rewrite.rs:185:8
[INFO] [stderr]     |
[INFO] [stderr] 185 |     if v.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `v.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: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/log.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     enum I {
[INFO] [stderr] 17 | |         If(Value),
[INFO] [stderr] 18 | |         Gzip(Option<u8>),
[INFO] [stderr] 19 | |         Flush(String),
[INFO] [stderr] 20 | |         Buffer(String),
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/real_ip.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / fn parse_source<'a>(val: Token<'a>)
[INFO] [stderr] 14 | |     -> Result<RealIpFrom, Error<Token<'a>, Token<'a>>>
[INFO] [stderr] 15 | | {
[INFO] [stderr] 16 | |     let value = val.value;
[INFO] [stderr] ...  |
[INFO] [stderr] 29 | |     }
[INFO] [stderr] 30 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.62s
[INFO] running `"docker" "inspect" "6fec2dad35fa9e60c5abc4f8777bf3c85b2a9b4c50b6d453a6fb34380de33bdd"`
[INFO] running `"docker" "rm" "-f" "6fec2dad35fa9e60c5abc4f8777bf3c85b2a9b4c50b6d453a6fb34380de33bdd"`
[INFO] [stdout] 6fec2dad35fa9e60c5abc4f8777bf3c85b2a9b4c50b6d453a6fb34380de33bdd