[INFO] crate rusty-peg 0.3.0 is already in cache
[INFO] extracting crate rusty-peg 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/rusty-peg/0.3.0
[INFO] extracting crate rusty-peg 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rusty-peg/0.3.0
[INFO] validating manifest of rusty-peg-0.3.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rusty-peg-0.3.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rusty-peg-0.3.0
[INFO] finished frobbing rusty-peg-0.3.0
[INFO] frobbed toml for rusty-peg-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/rusty-peg/0.3.0/Cargo.toml
[INFO] started frobbing rusty-peg-0.3.0
[INFO] finished frobbing rusty-peg-0.3.0
[INFO] frobbed toml for rusty-peg-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rusty-peg/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting rusty-peg-0.3.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/rusty-peg/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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] fc13d58a66171b7de2527da40cf220e0c3b540617f93ad26871dbbcce614cc0e
[INFO] running `"docker" "start" "-a" "fc13d58a66171b7de2527da40cf220e0c3b540617f93ad26871dbbcce614cc0e"`
[INFO] [stderr]     Checking rusty-peg v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let start = Input { text: text, offset: 0 };
[INFO] [stderr]    |                             ^^^^^^^^^^ help: replace it with: `text`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:35:29
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let input = Input { text: text, offset: 0 };
[INFO] [stderr]    |                             ^^^^^^^^^^ help: replace it with: `text`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/util.rs:210:53
[INFO] [stderr]     |
[INFO] [stderr] 210 |         RegexNt {regex: Regex::new(&text).unwrap(), exceptions: exceptions}
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `exceptions`
[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/tree.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |         ParseTree { kind: kind, span: span, child: child, sibling: None }
[INFO] [stderr]    |                     ^^^^^^^^^^ help: replace it with: `kind`
[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/tree.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 |         ParseTree { kind: kind, span: span, child: child, sibling: None }
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: replace it with: `span`
[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/tree.rs:30:45
[INFO] [stderr]    |
[INFO] [stderr] 30 |         ParseTree { kind: kind, span: span, child: child, sibling: None }
[INFO] [stderr]    |                                             ^^^^^^^^^^^^ help: replace it with: `child`
[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/tree.rs:85:16
[INFO] [stderr]    |
[INFO] [stderr] 85 |         Span { lo: lo, hi: hi }
[INFO] [stderr]    |                ^^^^^^ help: replace it with: `lo`
[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/tree.rs:85:24
[INFO] [stderr]    |
[INFO] [stderr] 85 |         Span { lo: lo, hi: hi }
[INFO] [stderr]    |                        ^^^^^^ help: replace it with: `hi`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let start = Input { text: text, offset: 0 };
[INFO] [stderr]    |                             ^^^^^^^^^^ help: replace it with: `text`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:35:29
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let input = Input { text: text, offset: 0 };
[INFO] [stderr]    |                             ^^^^^^^^^^ help: replace it with: `text`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/util.rs:210:53
[INFO] [stderr]     |
[INFO] [stderr] 210 |         RegexNt {regex: Regex::new(&text).unwrap(), exceptions: exceptions}
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `exceptions`
[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/tree.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |         ParseTree { kind: kind, span: span, child: child, sibling: None }
[INFO] [stderr]    |                     ^^^^^^^^^^ help: replace it with: `kind`
[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/tree.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 |         ParseTree { kind: kind, span: span, child: child, sibling: None }
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: replace it with: `span`
[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/tree.rs:30:45
[INFO] [stderr]    |
[INFO] [stderr] 30 |         ParseTree { kind: kind, span: span, child: child, sibling: None }
[INFO] [stderr]    |                                             ^^^^^^^^^^^^ help: replace it with: `child`
[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/tree.rs:85:16
[INFO] [stderr]    |
[INFO] [stderr] 85 |         Span { lo: lo, hi: hi }
[INFO] [stderr]    |                ^^^^^^ help: replace it with: `lo`
[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/tree.rs:85:24
[INFO] [stderr]    |
[INFO] [stderr] 85 |         Span { lo: lo, hi: hi }
[INFO] [stderr]    |                        ^^^^^^ help: replace it with: `hi`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/util.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |             return Ok((mid, children));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok((mid, children))`
[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/util.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |             return Err(err);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(err)`
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/util.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let mut err;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/util.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |             return Ok((mid, children));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok((mid, children))`
[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/util.rs:195:13
[INFO] [stderr]     |
[INFO] [stderr] 195 |             return Err(err);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(err)`
[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 seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/util.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 | /         match self.a.parse(grammar, start) {
[INFO] [stderr] 46 | |             Ok(success) => { return Ok(success); }
[INFO] [stderr] 47 | |             Err(_) => { }
[INFO] [stderr] 48 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Ok(success) = self.a.parse(grammar, start) { return Ok(success); }`
[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] 
[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/util.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | / pub fn skip_whitespace<'input>(mut input: Input<'input>) -> Input<'input> {
[INFO] [stderr] 103 | |     let bytes = input.text.as_bytes();
[INFO] [stderr] 104 | |     while input.offset < input.text.len() && is_space(bytes[input.offset]) {
[INFO] [stderr] 105 | |         input.offset += 1;
[INFO] [stderr] ...   |
[INFO] [stderr] 115 | |     }
[INFO] [stderr] 116 | | }
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/util.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 | /         match self.regex.find(&start.text[start.offset..]) {
[INFO] [stderr] 223 | |             Some((_, offset)) => {
[INFO] [stderr] 224 | |                 let end = start.offset_by(offset);
[INFO] [stderr] 225 | |                 let matched = &start.text[start.offset..end.offset];
[INFO] [stderr] ...   |
[INFO] [stderr] 230 | |             None => { }
[INFO] [stderr] 231 | |         }
[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] 222 |         if let Some((_, offset)) = self.regex.find(&start.text[start.offset..]) {
[INFO] [stderr] 223 |     let end = start.offset_by(offset);
[INFO] [stderr] 224 |     let matched = &start.text[start.offset..end.offset];
[INFO] [stderr] 225 |     if !self.exceptions.contains(matched) {
[INFO] [stderr] 226 |         return Ok((end, matched));
[INFO] [stderr] 227 |     }
[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/util.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 | /         match cache.get(&offset) {
[INFO] [stderr] 305 | |             Some(p) => { return p.clone(); }
[INFO] [stderr] 306 | |             None => { }
[INFO] [stderr] 307 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let Some(p) = cache.get(&offset) { return p.clone(); }`
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/util.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |         let mut err;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[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/util.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 | /         match self.a.parse(grammar, start) {
[INFO] [stderr] 46 | |             Ok(success) => { return Ok(success); }
[INFO] [stderr] 47 | |             Err(_) => { }
[INFO] [stderr] 48 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Ok(success) = self.a.parse(grammar, start) { return Ok(success); }`
[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] 
[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/util.rs:102:1
[INFO] [stderr]     |
[INFO] [stderr] 102 | / pub fn skip_whitespace<'input>(mut input: Input<'input>) -> Input<'input> {
[INFO] [stderr] 103 | |     let bytes = input.text.as_bytes();
[INFO] [stderr] 104 | |     while input.offset < input.text.len() && is_space(bytes[input.offset]) {
[INFO] [stderr] 105 | |         input.offset += 1;
[INFO] [stderr] ...   |
[INFO] [stderr] 115 | |     }
[INFO] [stderr] 116 | | }
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/util.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 | /         match self.regex.find(&start.text[start.offset..]) {
[INFO] [stderr] 223 | |             Some((_, offset)) => {
[INFO] [stderr] 224 | |                 let end = start.offset_by(offset);
[INFO] [stderr] 225 | |                 let matched = &start.text[start.offset..end.offset];
[INFO] [stderr] ...   |
[INFO] [stderr] 230 | |             None => { }
[INFO] [stderr] 231 | |         }
[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] 222 |         if let Some((_, offset)) = self.regex.find(&start.text[start.offset..]) {
[INFO] [stderr] 223 |     let end = start.offset_by(offset);
[INFO] [stderr] 224 |     let matched = &start.text[start.offset..end.offset];
[INFO] [stderr] 225 |     if !self.exceptions.contains(matched) {
[INFO] [stderr] 226 |         return Ok((end, matched));
[INFO] [stderr] 227 |     }
[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/util.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 | /         match cache.get(&offset) {
[INFO] [stderr] 305 | |             Some(p) => { return p.clone(); }
[INFO] [stderr] 306 | |             None => { }
[INFO] [stderr] 307 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let Some(p) = cache.get(&offset) { return p.clone(); }`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/macros.rs:416:33
[INFO] [stderr]     |
[INFO] [stderr] 416 | /                                 match $crate::Symbol::parse(&rhs_parser, grammar, mid) {
[INFO] [stderr] 417 | |                                     Ok((end, rusty_peg_named_item_pat!($rhs_defn))) => {
[INFO] [stderr] 418 | |                                         $lhs_nm = $rhs_expr;
[INFO] [stderr] 419 | |                                         mid = end;
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |                                     Err(_) => { }
[INFO] [stderr] 423 | |                                 }
[INFO] [stderr]     | |_________________________________^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/test/calculator.rs:4:1
[INFO] [stderr]     |
[INFO] [stderr] 4   | / rusty_peg! {
[INFO] [stderr] 5   | |     parser Calculator<'input> {
[INFO] [stderr] 6   | |         EXPR: u32 =
[INFO] [stderr] 7   | |             ADD_SUB_EXPR;
[INFO] [stderr] ...   |
[INFO] [stderr] 30  | |     }
[INFO] [stderr] 31  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 416 |                                 if let Ok((end, rusty_peg_named_item_pat!($rhs_defn))) = $crate::Symbol::parse(&rhs_parser, grammar, mid) { rusty_peg! {
[INFO] [stderr] 417 |     parser Calculator<'input> {
[INFO] [stderr] 418 |         EXPR: u32 =
[INFO] [stderr] 419 |             ADD_SUB_EXPR;
[INFO] [stderr] 420 | 
[INFO] [stderr] 421 |         PAREN_EXPR: u32 =
[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/macros.rs:416:33
[INFO] [stderr]     |
[INFO] [stderr] 416 | /                                 match $crate::Symbol::parse(&rhs_parser, grammar, mid) {
[INFO] [stderr] 417 | |                                     Ok((end, rusty_peg_named_item_pat!($rhs_defn))) => {
[INFO] [stderr] 418 | |                                         $lhs_nm = $rhs_expr;
[INFO] [stderr] 419 | |                                         mid = end;
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | |                                     Err(_) => { }
[INFO] [stderr] 423 | |                                 }
[INFO] [stderr]     | |_________________________________^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/test/calculator.rs:4:1
[INFO] [stderr]     |
[INFO] [stderr] 4   | / rusty_peg! {
[INFO] [stderr] 5   | |     parser Calculator<'input> {
[INFO] [stderr] 6   | |         EXPR: u32 =
[INFO] [stderr] 7   | |             ADD_SUB_EXPR;
[INFO] [stderr] ...   |
[INFO] [stderr] 30  | |     }
[INFO] [stderr] 31  | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 416 |                                 if let Ok((end, rusty_peg_named_item_pat!($rhs_defn))) = $crate::Symbol::parse(&rhs_parser, grammar, mid) { rusty_peg! {
[INFO] [stderr] 417 |     parser Calculator<'input> {
[INFO] [stderr] 418 |         EXPR: u32 =
[INFO] [stderr] 419 |             ADD_SUB_EXPR;
[INFO] [stderr] 420 | 
[INFO] [stderr] 421 |         PAREN_EXPR: u32 =
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/test/combos.rs:28:18
[INFO] [stderr]    |
[INFO] [stderr] 28 |         PosHiHo: (usize, (&'input str, (usize, (&'input str, usize)))) =
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "fc13d58a66171b7de2527da40cf220e0c3b540617f93ad26871dbbcce614cc0e"`
[INFO] running `"docker" "rm" "-f" "fc13d58a66171b7de2527da40cf220e0c3b540617f93ad26871dbbcce614cc0e"`
[INFO] [stdout] fc13d58a66171b7de2527da40cf220e0c3b540617f93ad26871dbbcce614cc0e