[INFO] fetching crate gramatica 0.1.4...
[INFO] checking gramatica-0.1.4 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate gramatica 0.1.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gramatica 0.1.4 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gramatica 0.1.4
[INFO] finished tweaking crates.io crate gramatica 0.1.4
[INFO] tweaked toml for crates.io crate gramatica 0.1.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2f1952ecd5723c42177edb3adb64da933fc661e86ef72c756aa9f53424dd4b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d2f1952ecd5723c42177edb3adb64da933fc661e86ef72c756aa9f53424dd4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2f1952ecd5723c42177edb3adb64da933fc661e86ef72c756aa9f53424dd4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f1952ecd5723c42177edb3adb64da933fc661e86ef72c756aa9f53424dd4b4", kill_on_drop: false }`
[INFO] [stdout] d2f1952ecd5723c42177edb3adb64da933fc661e86ef72c756aa9f53424dd4b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a152b8614545efb490c792a26d507abe3049a65a7fe273ce87ad481db987071
[INFO] running `Command { std: "docker" "start" "-a" "1a152b8614545efb490c792a26d507abe3049a65a7fe273ce87ad481db987071", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking gramatica v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:761:9
[INFO] [stdout]     |
[INFO] [stdout] 761 |                     'a'...'z' | 'A'...'Z' | '_' => return None,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:761:21
[INFO] [stdout]     |
[INFO] [stdout] 761 |                     'a'...'z' | 'A'...'Z' | '_' => return None,
[INFO] [stdout]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:761:9
[INFO] [stdout]     |
[INFO] [stdout] 761 |                     'a'...'z' | 'A'...'Z' | '_' => return None,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:761:21
[INFO] [stdout]     |
[INFO] [stdout] 761 |                     'a'...'z' | 'A'...'Z' | '_' => return None,
[INFO] [stdout]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> examples/xml.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]   --> examples/xml.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::io::{BufRead,Read};
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> examples/xml.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | while true {match characters.next() { None => break, Some('"') => {ret = (Some((size + 1,r + &"\"")));
[INFO] [stdout]    | ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> examples/xml.rs:44:74
[INFO] [stdout]    |
[INFO] [stdout] 44 | while true {match characters.next() { None => break, Some('"') => {ret = (Some((size + 1,r + &"\"")));
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> examples/xml.rs:130:115
[INFO] [stdout]     |
[INFO] [stdout] 130 | (&Token::Attributes(ref attrs),&Token::Space(_),&Token::Attribute(ref a,ref b)) => Token::Attributes({let mut new=(attrs.clone());
[INFO] [stdout]     |                                                                                                                   ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> examples/xml.rs:151:112
[INFO] [stdout]     |
[INFO] [stdout] 151 | (&Token::Contents(ref list),&Token::Element(ref elem),&Token::CharData(ref s)) => Token::Contents({let mut new=(list.clone());
[INFO] [stdout]     |                                                                                                                ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> examples/json.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]   --> examples/json.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::io::{BufRead,Read};
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> examples/json.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | while true {match characters.next() { None => break, Some('"') => {ret = (Some((size + 1,r + &"\"")));
[INFO] [stdout]    | ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> examples/json.rs:46:74
[INFO] [stdout]    |
[INFO] [stdout] 46 | while true {match characters.next() { None => break, Some('"') => {ret = (Some((size + 1,r + &"\"")));
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> examples/json.rs:112:104
[INFO] [stdout]     |
[INFO] [stdout] 112 | (&Token::Members(ref list),&Token::Comma,&Token::Pair(ref s,ref value)) => Token::Members({let mut new=(list.clone());
[INFO] [stdout]     |                                                                                                        ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> examples/json.rs:128:101
[INFO] [stdout]     |
[INFO] [stdout] 128 | (&Token::Elements(ref list),&Token::Comma,&Token::Value(ref value)) => Token::Elements({let mut new=(list.clone());
[INFO] [stdout]     |                                                                                                     ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> examples/json.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,String)>{
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]   --> examples/xml.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,String)>{
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/json.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | stdin.lock().read_to_string(&mut buf);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/xml.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | stdin.lock().read_to_string(&mut buf);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `ambiguity_info` in initializer of `State<_>`
[INFO] [stdout]    --> examples/calculator_by_hand.rs:185:32
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 parser.sets[index].predict(State{rule:1,left:10,right:vec![],position:0,original_set:index,kind:EarleyKind::Predict(state_index),valu...
[INFO] [stdout]     |                                            ^^^^^ missing `ambiguity_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `ambiguity_info` in initializer of `State<_>`
[INFO] [stdout]    --> examples/calculator_by_hand.rs:186:32
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 parser.sets[index].predict(State{rule:2,left:10,right:vec![10,11],position:0,original_set:index,kind:EarleyKind::Predict(state_index)...
[INFO] [stdout]     |                                            ^^^^^ missing `ambiguity_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `ambiguity_info` in initializer of `State<_>`
[INFO] [stdout]    --> examples/calculator_by_hand.rs:190:32
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 parser.sets[index].predict(State{rule:3,left:11,right:vec![9],position:0,original_set:index,kind:EarleyKind::Predict(state_index),val...
[INFO] [stdout]     |                                            ^^^^^ missing `ambiguity_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `ambiguity_info` in initializer of `State<_>`
[INFO] [stdout]    --> examples/calculator_by_hand.rs:191:32
[INFO] [stdout]     |
[INFO] [stdout] 191 |                 parser.sets[index].predict(State{rule:4,left:11,right:vec![12,9],position:0,original_set:index,kind:EarleyKind::Predict(state_index),...
[INFO] [stdout]     |                                            ^^^^^ missing `ambiguity_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `ambiguity_info` in initializer of `State<_>`
[INFO] [stdout]    --> examples/calculator_by_hand.rs:195:32
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 parser.sets[index].predict(State{rule:5,left:12,right:vec![1],position:0,original_set:index,kind:EarleyKind::Predict(state_index),val...
[INFO] [stdout]     |                                            ^^^^^ missing `ambiguity_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `ambiguity_info` in initializer of `State<_>`
[INFO] [stdout]    --> examples/calculator_by_hand.rs:196:32
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 parser.sets[index].predict(State{rule:6,left:12,right:vec![12,2,12],position:0,original_set:index,kind:EarleyKind::Predict(state_inde...
[INFO] [stdout]     |                                            ^^^^^ missing `ambiguity_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `ambiguity_info` in initializer of `State<_>`
[INFO] [stdout]    --> examples/calculator_by_hand.rs:197:32
[INFO] [stdout]     |
[INFO] [stdout] 197 |                 parser.sets[index].predict(State{rule:7,left:12,right:vec![12,3,12],position:0,original_set:index,kind:EarleyKind::Predict(state_inde...
[INFO] [stdout]     |                                            ^^^^^ missing `ambiguity_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `ambiguity_info` in initializer of `State<_>`
[INFO] [stdout]    --> examples/calculator_by_hand.rs:198:32
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 parser.sets[index].predict(State{rule:8,left:12,right:vec![12,4,12],position:0,original_set:index,kind:EarleyKind::Predict(state_inde...
[INFO] [stdout]     |                                            ^^^^^ missing `ambiguity_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `ambiguity_info` in initializer of `State<_>`
[INFO] [stdout]    --> examples/calculator_by_hand.rs:199:32
[INFO] [stdout]     |
[INFO] [stdout] 199 |                 parser.sets[index].predict(State{rule:9,left:12,right:vec![12,5,12],position:0,original_set:index,kind:EarleyKind::Predict(state_inde...
[INFO] [stdout]     |                                            ^^^^^ missing `ambiguity_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `ambiguity_info` in initializer of `State<_>`
[INFO] [stdout]    --> examples/calculator_by_hand.rs:200:32
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 parser.sets[index].predict(State{rule:10,left:12,right:vec![3,12],position:0,original_set:index,kind:EarleyKind::Predict(state_index)...
[INFO] [stdout]     |                                            ^^^^^ missing `ambiguity_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `ambiguity_info` in initializer of `State<_>`
[INFO] [stdout]    --> examples/calculator_by_hand.rs:201:32
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 parser.sets[index].predict(State{rule:11,left:12,right:vec![12,6,12],position:0,original_set:index,kind:EarleyKind::Predict(state_ind...
[INFO] [stdout]     |                                            ^^^^^ missing `ambiguity_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `ambiguity_info` in initializer of `State<_>`
[INFO] [stdout]    --> examples/calculator_by_hand.rs:202:32
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 parser.sets[index].predict(State{rule:12,left:12,right:vec![7,12,8],position:0,original_set:index,kind:EarleyKind::Predict(state_inde...
[INFO] [stdout]     |                                            ^^^^^ missing `ambiguity_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gramatica`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:323:154
[INFO] [stdout]     |
[INFO] [stdout] 323 | ..._be) => {if name == "_match" {fn_match = (Some(item.clone()));} else {panic!("received fn {} is terminal {}" , name , id);}}, _ => pan...
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:331:136
[INFO] [stdout]     |
[INFO] [stdout] 331 | ...onterminal {self.first_nonterminal = (Some(self.token_info.len()));}
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:334:65
[INFO] [stdout]     |
[INFO] [stdout] 334 | if let & PatKind::Tuple(ref patterns)=patterns {rule_patterns = (patterns.clone());}
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:338:54
[INFO] [stdout]     |
[INFO] [stdout] 338 | if let AttrKind::Flag(ref p_flag)=seq[0] {priority = (Some(p_flag.clone()));} else {panic!("I do not understand this priority {:?}" , att...
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:339:80
[INFO] [stdout]     |
[INFO] [stdout] 339 | ...{if o_flag == "left" {associativity = (Some(Associativity::Left));} else if o_flag == "right" {associativity = (Some(Associativity::Ri...
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:339:153
[INFO] [stdout]     |
[INFO] [stdout] 339 | ...f o_flag == "right" {associativity = (Some(Associativity::Right));} else {panic!("Associativity must be left or right, no {:?}" , attr...
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:371:61
[INFO] [stdout]     |
[INFO] [stdout] 371 | if let Some(& (pos,ref sre))=ignore_it.next() {ignore_pos = (Some(pos));
[INFO] [stdout]     |                                                             ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:372:14
[INFO] [stdout]     |
[INFO] [stdout] 372 | ignore_sre = (Some(sre.clone()));} else {ignore_pos = None;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:554:19
[INFO] [stdout]     |
[INFO] [stdout] 554 | if c == '\\' {c = (characters.next().unwrap());
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/compiler.rs:571:1
[INFO] [stdout]     |
[INFO] [stdout] 571 | while true {match characters.next() { None => break, Some('"') => {ret = (Some((size + 1,r + &"\"")));
[INFO] [stdout]     | ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:571:74
[INFO] [stdout]     |
[INFO] [stdout] 571 | while true {match characters.next() { None => break, Some('"') => {ret = (Some((size + 1,r + &"\"")));
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2074:95
[INFO] [stdout]      |
[INFO] [stdout] 2074 | (&Token::OuterAttrs(ref attrs),&Token::OuterAttr(ref attr)) => Token::OuterAttrs({let mut new=(attrs.clone());
[INFO] [stdout]      |                                                                                               ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2100:100
[INFO] [stdout]      |
[INFO] [stdout] 2100 | (&Token::MetaSeq(ref seq),&Token::Comma,&Token::MetaItem(ref attr)) => Token::MetaSeq({let mut new=(seq.clone());
[INFO] [stdout]      |                                                                                                    ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2111:99
[INFO] [stdout]      |
[INFO] [stdout] 2111 | (&Token::ModItems(ref items),&Token::ModItem(ref outer,ref item)) => Token::ModItems({let mut new=(items.clone());
[INFO] [stdout]      |                                                                                                   ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2285:134
[INFO] [stdout]      |
[INFO] [stdout] 2285 | ...t)) => Token::StructDeclFields({let mut new=(list.clone());
[INFO] [stdout]      |                                                ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2312:114
[INFO] [stdout]      |
[INFO] [stdout] 2312 | (&Token::EnumDefs(ref list),&Token::Comma,&Token::EnumDef(ref id,ref arguments)) => Token::EnumDefs({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                                                  ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2408:116
[INFO] [stdout]      |
[INFO] [stdout] 2408 | (&Token::IdentsOrSelf(ref list),&Token::Comma,&Token::IdentOrSelf(ref string)) => Token::IdentsOrSelf({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                                                    ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/compiler.rs:2561:213
[INFO] [stdout]      |
[INFO] [stdout] 2561 | ...ItemFn((ItemKind::FN(name.clone(),lives.clone(),gp.clone(),params.clone(),rt.clone(),block_stmts.clone(),block_expr.clone()))),
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/compiler.rs:2564:227
[INFO] [stdout]      |
[INFO] [stdout] 2564 | ...ItemFn((ItemKind::FN(name.clone(),lives.clone(),gp.clone(),params.clone(),rt.clone(),block_stmts.clone(),block_expr.clone()))),
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2628:105
[INFO] [stdout]      |
[INFO] [stdout] 2628 | (&Token::Params(ref list),&Token::Comma,&Token::Param(ref pattern,ref t)) => Token::Params({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                                         ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/compiler.rs:2635:72
[INFO] [stdout]      |
[INFO] [stdout] 2635 | &Token::InferrableParam(ref pattern,ref ot) => Token::InferrableParams((vec![(pattern . clone () , ot . clone ())])),
[INFO] [stdout]      |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2638:138
[INFO] [stdout]      |
[INFO] [stdout] 2638 | ...)) => Token::InferrableParams({let mut new=(params.clone());
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2770:103
[INFO] [stdout]      |
[INFO] [stdout] 2770 | (&Token::TyParams(ref list),&Token::Comma,&Token::TyParam(ref param)) => Token::TyParams({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                                       ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2996:109
[INFO] [stdout]      |
[INFO] [stdout] 2996 | (&Token::PatTupElts(ref elements),&Token::Comma,&Token::Pat(ref pattern)) => Token::PatTupElts({let mut new=(elements.clone());
[INFO] [stdout]      |                                                                                                             ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:3187:95
[INFO] [stdout]      |
[INFO] [stdout] 3187 | (&Token::TySums(ref qtypes),&Token::Comma,&Token::TySum(ref t)) => Token::TySums({let mut new=(qtypes.clone());
[INFO] [stdout]      |                                                                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:3296:118
[INFO] [stdout]      |
[INFO] [stdout] 3296 | (&Token::Lifetimes(ref list),&Token::Comma,&Token::LifetimeAndBounds(ref lifetime)) => Token::Lifetimes({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                                                      ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:3337:80
[INFO] [stdout]      |
[INFO] [stdout] 3337 | (&Token::Stmts(ref stmts),&Token::Stmt(ref stmt)) => Token::Stmts({let mut new=(stmts.clone());
[INFO] [stdout]      |                                                                                ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:3385:93
[INFO] [stdout]      |
[INFO] [stdout] 3385 | (&Token::Exprs(ref list),&Token::Comma,&Token::Expr(ref expr)) => Token::Exprs({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                             ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:4080:113
[INFO] [stdout]      |
[INFO] [stdout] 4080 | (&Token::FieldInits(ref list),&Token::Comma,&Token::FieldInit(ref id,ref oe)) => Token::FieldInits({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                                                 ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:4159:174
[INFO] [stdout]      |
[INFO] [stdout] 4159 | ...oken::RBrace) => { let (x0,x1)={let mut new=(list.clone());
[INFO] [stdout]      |                                                ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:4169:100
[INFO] [stdout]      |
[INFO] [stdout] 4169 | (&Token::MatchClauses(ref clauses),&Token::MatchClause(_,_,_)) => Token::MatchClauses({let mut new=(clauses.clone());
[INFO] [stdout]      |                                                                                                    ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:4573:96
[INFO] [stdout]      |
[INFO] [stdout] 4573 | (&Token::TokenTrees(ref trees),&Token::TokenTree(ref token)) => Token::TokenTrees({let mut new=(trees.clone());
[INFO] [stdout]      |                                                                                                ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:4618:104
[INFO] [stdout]      |
[INFO] [stdout] 4618 | (&Token::TerminalItem(ref item),&Token::TerminalItems(ref items)) => Token::TerminalItems({let mut new=(vec![item . clone ()]);
[INFO] [stdout]      |                                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:323:154
[INFO] [stdout]     |
[INFO] [stdout] 323 | ..._be) => {if name == "_match" {fn_match = (Some(item.clone()));} else {panic!("received fn {} is terminal {}" , name , id);}}, _ => pan...
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:331:136
[INFO] [stdout]     |
[INFO] [stdout] 331 | ...onterminal {self.first_nonterminal = (Some(self.token_info.len()));}
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:334:65
[INFO] [stdout]     |
[INFO] [stdout] 334 | if let & PatKind::Tuple(ref patterns)=patterns {rule_patterns = (patterns.clone());}
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:338:54
[INFO] [stdout]     |
[INFO] [stdout] 338 | if let AttrKind::Flag(ref p_flag)=seq[0] {priority = (Some(p_flag.clone()));} else {panic!("I do not understand this priority {:?}" , att...
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:339:80
[INFO] [stdout]     |
[INFO] [stdout] 339 | ...{if o_flag == "left" {associativity = (Some(Associativity::Left));} else if o_flag == "right" {associativity = (Some(Associativity::Ri...
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:339:153
[INFO] [stdout]     |
[INFO] [stdout] 339 | ...f o_flag == "right" {associativity = (Some(Associativity::Right));} else {panic!("Associativity must be left or right, no {:?}" , attr...
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:371:61
[INFO] [stdout]     |
[INFO] [stdout] 371 | if let Some(& (pos,ref sre))=ignore_it.next() {ignore_pos = (Some(pos));
[INFO] [stdout]     |                                                             ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:372:14
[INFO] [stdout]     |
[INFO] [stdout] 372 | ignore_sre = (Some(sre.clone()));} else {ignore_pos = None;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:554:19
[INFO] [stdout]     |
[INFO] [stdout] 554 | if c == '\\' {c = (characters.next().unwrap());
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/compiler.rs:571:1
[INFO] [stdout]     |
[INFO] [stdout] 571 | while true {match characters.next() { None => break, Some('"') => {ret = (Some((size + 1,r + &"\"")));
[INFO] [stdout]     | ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/compiler.rs:571:74
[INFO] [stdout]     |
[INFO] [stdout] 571 | while true {match characters.next() { None => break, Some('"') => {ret = (Some((size + 1,r + &"\"")));
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2074:95
[INFO] [stdout]      |
[INFO] [stdout] 2074 | (&Token::OuterAttrs(ref attrs),&Token::OuterAttr(ref attr)) => Token::OuterAttrs({let mut new=(attrs.clone());
[INFO] [stdout]      |                                                                                               ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2100:100
[INFO] [stdout]      |
[INFO] [stdout] 2100 | (&Token::MetaSeq(ref seq),&Token::Comma,&Token::MetaItem(ref attr)) => Token::MetaSeq({let mut new=(seq.clone());
[INFO] [stdout]      |                                                                                                    ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2111:99
[INFO] [stdout]      |
[INFO] [stdout] 2111 | (&Token::ModItems(ref items),&Token::ModItem(ref outer,ref item)) => Token::ModItems({let mut new=(items.clone());
[INFO] [stdout]      |                                                                                                   ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2285:134
[INFO] [stdout]      |
[INFO] [stdout] 2285 | ...t)) => Token::StructDeclFields({let mut new=(list.clone());
[INFO] [stdout]      |                                                ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2312:114
[INFO] [stdout]      |
[INFO] [stdout] 2312 | (&Token::EnumDefs(ref list),&Token::Comma,&Token::EnumDef(ref id,ref arguments)) => Token::EnumDefs({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                                                  ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2408:116
[INFO] [stdout]      |
[INFO] [stdout] 2408 | (&Token::IdentsOrSelf(ref list),&Token::Comma,&Token::IdentOrSelf(ref string)) => Token::IdentsOrSelf({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                                                    ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/compiler.rs:2561:213
[INFO] [stdout]      |
[INFO] [stdout] 2561 | ...ItemFn((ItemKind::FN(name.clone(),lives.clone(),gp.clone(),params.clone(),rt.clone(),block_stmts.clone(),block_expr.clone()))),
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/compiler.rs:2564:227
[INFO] [stdout]      |
[INFO] [stdout] 2564 | ...ItemFn((ItemKind::FN(name.clone(),lives.clone(),gp.clone(),params.clone(),rt.clone(),block_stmts.clone(),block_expr.clone()))),
[INFO] [stdout]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2628:105
[INFO] [stdout]      |
[INFO] [stdout] 2628 | (&Token::Params(ref list),&Token::Comma,&Token::Param(ref pattern,ref t)) => Token::Params({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                                         ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> src/compiler.rs:2635:72
[INFO] [stdout]      |
[INFO] [stdout] 2635 | &Token::InferrableParam(ref pattern,ref ot) => Token::InferrableParams((vec![(pattern . clone () , ot . clone ())])),
[INFO] [stdout]      |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2638:138
[INFO] [stdout]      |
[INFO] [stdout] 2638 | ...)) => Token::InferrableParams({let mut new=(params.clone());
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2770:103
[INFO] [stdout]      |
[INFO] [stdout] 2770 | (&Token::TyParams(ref list),&Token::Comma,&Token::TyParam(ref param)) => Token::TyParams({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                                       ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:2996:109
[INFO] [stdout]      |
[INFO] [stdout] 2996 | (&Token::PatTupElts(ref elements),&Token::Comma,&Token::Pat(ref pattern)) => Token::PatTupElts({let mut new=(elements.clone());
[INFO] [stdout]      |                                                                                                             ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:3187:95
[INFO] [stdout]      |
[INFO] [stdout] 3187 | (&Token::TySums(ref qtypes),&Token::Comma,&Token::TySum(ref t)) => Token::TySums({let mut new=(qtypes.clone());
[INFO] [stdout]      |                                                                                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:3296:118
[INFO] [stdout]      |
[INFO] [stdout] 3296 | (&Token::Lifetimes(ref list),&Token::Comma,&Token::LifetimeAndBounds(ref lifetime)) => Token::Lifetimes({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                                                      ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:3337:80
[INFO] [stdout]      |
[INFO] [stdout] 3337 | (&Token::Stmts(ref stmts),&Token::Stmt(ref stmt)) => Token::Stmts({let mut new=(stmts.clone());
[INFO] [stdout]      |                                                                                ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:3385:93
[INFO] [stdout]      |
[INFO] [stdout] 3385 | (&Token::Exprs(ref list),&Token::Comma,&Token::Expr(ref expr)) => Token::Exprs({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                             ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:4080:113
[INFO] [stdout]      |
[INFO] [stdout] 4080 | (&Token::FieldInits(ref list),&Token::Comma,&Token::FieldInit(ref id,ref oe)) => Token::FieldInits({let mut new=(list.clone());
[INFO] [stdout]      |                                                                                                                 ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:4159:174
[INFO] [stdout]      |
[INFO] [stdout] 4159 | ...oken::RBrace) => { let (x0,x1)={let mut new=(list.clone());
[INFO] [stdout]      |                                                ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:4169:100
[INFO] [stdout]      |
[INFO] [stdout] 4169 | (&Token::MatchClauses(ref clauses),&Token::MatchClause(_,_,_)) => Token::MatchClauses({let mut new=(clauses.clone());
[INFO] [stdout]      |                                                                                                    ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:4573:96
[INFO] [stdout]      |
[INFO] [stdout] 4573 | (&Token::TokenTrees(ref trees),&Token::TokenTree(ref token)) => Token::TokenTrees({let mut new=(trees.clone());
[INFO] [stdout]      |                                                                                                ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]     --> src/compiler.rs:4618:104
[INFO] [stdout]      |
[INFO] [stdout] 4618 | (&Token::TerminalItem(ref item),&Token::TerminalItems(ref items)) => Token::TerminalItems({let mut new=(vec![item . clone ()]);
[INFO] [stdout]      |                                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:540:13
[INFO] [stdout]     |
[INFO] [stdout] 540 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:540:53
[INFO] [stdout]     |
[INFO] [stdout] 540 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:546:13
[INFO] [stdout]     |
[INFO] [stdout] 546 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:546:53
[INFO] [stdout]     |
[INFO] [stdout] 546 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:550:13
[INFO] [stdout]     |
[INFO] [stdout] 550 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,char)>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:562:13
[INFO] [stdout]     |
[INFO] [stdout] 562 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:562:53
[INFO] [stdout]     |
[INFO] [stdout] 562 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:566:13
[INFO] [stdout]     |
[INFO] [stdout] 566 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,String)>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:581:13
[INFO] [stdout]     |
[INFO] [stdout] 581 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:581:53
[INFO] [stdout]     |
[INFO] [stdout] 581 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:585:13
[INFO] [stdout]     |
[INFO] [stdout] 585 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:585:53
[INFO] [stdout]     |
[INFO] [stdout] 585 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:589:13
[INFO] [stdout]     |
[INFO] [stdout] 589 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:589:53
[INFO] [stdout]     |
[INFO] [stdout] 589 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:593:13
[INFO] [stdout]     |
[INFO] [stdout] 593 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:593:53
[INFO] [stdout]     |
[INFO] [stdout] 593 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/compiler.rs:169:103
[INFO] [stdout]     |
[INFO] [stdout] 169 | ...f , ";")}, & StmtKind::Item(ref attrs,ref token) => write!(f , "{}" , token), & StmtKind::Block(ref attrs,ref token) => write!(f , "{}...
[INFO] [stdout]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/compiler.rs:169:171
[INFO] [stdout]     |
[INFO] [stdout] 169 | ..., token), & StmtKind::Block(ref attrs,ref token) => write!(f , "{}" , token), & StmtKind::Expr(ref attrs,ref token) => write!(f , "{};...
[INFO] [stdout]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/compiler.rs:169:238
[INFO] [stdout]     |
[INFO] [stdout] 169 | ... , token), & StmtKind::Expr(ref attrs,ref token) => write!(f , "{};" , token), & StmtKind::Empty => write!(f , ";"), }
[INFO] [stdout]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subname`
[INFO] [stdout]    --> src/compiler.rs:218:89
[INFO] [stdout]     |
[INFO] [stdout] 218 | ... ItemKind::Macro(ref name,ref subname,ref token) => write!(f , "{}!{};" , name , token), & ItemKind::FN(ref name,ref lifetimes,ref gp,...
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attributes`
[INFO] [stdout]    --> src/compiler.rs:261:3631
[INFO] [stdout]     |
[INFO] [stdout] 261 | ..., & Token::MatchClause(ref attributes,ref pattern,ref token) => write!(f , "{} => {}," , pattern , token), & Token::PatTup(ref pattern...
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attributes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/compiler.rs:296:241
[INFO] [stdout]     |
[INFO] [stdout] 296 | ...m), & ItemKind::Macro(ref path,ref id,ref tree) => {match (path.as_ref(),tree.as_ref()) { (& Token::PathExpr(PathKind::Ident(ref s)),&...
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lifetimes`
[INFO] [stdout]    --> src/compiler.rs:323:57
[INFO] [stdout]     |
[INFO] [stdout] 323 | ...& ItemKind::FN(ref name,ref lifetimes,ref _gp,ref _params,ref _oret,ref _bs,ref _be) => {if name == "_match" {fn_match = (Some(item.cl...
[INFO] [stdout]     |                            ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lifetimes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]     --> src/compiler.rs:2966:21
[INFO] [stdout]      |
[INFO] [stdout] 2966 | (&Token::PatTupElts(ref elements),&Token::DotDot) => Token::PatTup(vec![]),
[INFO] [stdout]      |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]     --> src/compiler.rs:2969:21
[INFO] [stdout]      |
[INFO] [stdout] 2969 | (&Token::PatTupElts(ref elements),&Token::Comma,&Token::DotDot) => Token::PatTup(vec![]),
[INFO] [stdout]      |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]     --> src/compiler.rs:2972:21
[INFO] [stdout]      |
[INFO] [stdout] 2972 | (&Token::PatTupElts(ref elements),&Token::DotDot,&Token::Comma,&Token::PatTupElts(_)) => Token::PatTup(vec![]),
[INFO] [stdout]      |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]     --> src/compiler.rs:2975:21
[INFO] [stdout]      |
[INFO] [stdout] 2975 | (&Token::PatTupElts(ref elements),&Token::DotDot,&Token::Comma,&Token::PatTupElts(_),&Token::Comma) => Token::PatTup(vec![]),
[INFO] [stdout]      |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]     --> src/compiler.rs:2978:21
[INFO] [stdout]      |
[INFO] [stdout] 2978 | (&Token::PatTupElts(ref elements),&Token::Comma,&Token::DotDot,&Token::Comma,&Token::PatTupElts(_)) => Token::PatTup(vec![]),
[INFO] [stdout]      |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]     --> src/compiler.rs:2981:21
[INFO] [stdout]      |
[INFO] [stdout] 2981 | (&Token::PatTupElts(ref elements),&Token::Comma,&Token::DotDot,&Token::Comma,&Token::PatTupElts(_),&Token::Comma) => Token::PatTup(vec![]),
[INFO] [stdout]      |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]     --> src/compiler.rs:3485:23
[INFO] [stdout]      |
[INFO] [stdout] 3485 | (&Token::NonblockExpr(ref left),&Token::LT,&Token::NoSpace,&Token::LT,&Token::Equal,&Token::Expr(ref right)) => Token::NonblockExpr(ExprK...
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]     --> src/compiler.rs:3485:98
[INFO] [stdout]      |
[INFO] [stdout] 3485 | ...,&Token::Equal,&Token::Expr(ref right)) => Token::NonblockExpr(ExprKind::Fixme),
[INFO] [stdout]      |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]     --> src/compiler.rs:3488:23
[INFO] [stdout]      |
[INFO] [stdout] 3488 | (&Token::NonblockExpr(ref left),&Token::GT,&Token::NoSpace,&Token::GT,&Token::Equal,&Token::Expr(ref right)) => Token::NonblockExpr(ExprK...
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]     --> src/compiler.rs:3488:98
[INFO] [stdout]      |
[INFO] [stdout] 3488 | ...,&Token::Equal,&Token::Expr(ref right)) => Token::NonblockExpr(ExprKind::Fixme),
[INFO] [stdout]      |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]     --> src/compiler.rs:3548:23
[INFO] [stdout]      |
[INFO] [stdout] 3548 | (&Token::NonblockExpr(ref left),&Token::LT,&Token::NoSpace,&Token::LT,&Token::Expr(ref right)) => Token::NonblockExpr(ExprKind::Fixme),
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]     --> src/compiler.rs:3548:84
[INFO] [stdout]      |
[INFO] [stdout] 3548 | (&Token::NonblockExpr(ref left),&Token::LT,&Token::NoSpace,&Token::LT,&Token::Expr(ref right)) => Token::NonblockExpr(ExprKind::Fixme),
[INFO] [stdout]      |                                                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]     --> src/compiler.rs:3551:23
[INFO] [stdout]      |
[INFO] [stdout] 3551 | (&Token::NonblockExpr(ref left),&Token::GT,&Token::NoSpace,&Token::GT,&Token::Expr(ref right)) => Token::NonblockExpr(ExprKind::Fixme),
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]     --> src/compiler.rs:3551:84
[INFO] [stdout]      |
[INFO] [stdout] 3551 | (&Token::NonblockExpr(ref left),&Token::GT,&Token::NoSpace,&Token::GT,&Token::Expr(ref right)) => Token::NonblockExpr(ExprKind::Fixme),
[INFO] [stdout]      |                                                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]     --> src/compiler.rs:3662:15
[INFO] [stdout]      |
[INFO] [stdout] 3662 | (&Token::Expr(ref left),&Token::LT,&Token::NoSpace,&Token::LT,&Token::Equal,&Token::Expr(ref right)) => Token::Expr(ExprKind::Fixme),
[INFO] [stdout]      |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]     --> src/compiler.rs:3662:90
[INFO] [stdout]      |
[INFO] [stdout] 3662 | (&Token::Expr(ref left),&Token::LT,&Token::NoSpace,&Token::LT,&Token::Equal,&Token::Expr(ref right)) => Token::Expr(ExprKind::Fixme),
[INFO] [stdout]      |                                                                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]     --> src/compiler.rs:3665:15
[INFO] [stdout]      |
[INFO] [stdout] 3665 | (&Token::Expr(ref left),&Token::GT,&Token::NoSpace,&Token::GT,&Token::Equal,&Token::Expr(ref right)) => Token::Expr(ExprKind::Fixme),
[INFO] [stdout]      |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]     --> src/compiler.rs:3665:90
[INFO] [stdout]      |
[INFO] [stdout] 3665 | (&Token::Expr(ref left),&Token::GT,&Token::NoSpace,&Token::GT,&Token::Equal,&Token::Expr(ref right)) => Token::Expr(ExprKind::Fixme),
[INFO] [stdout]      |                                                                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]     --> src/compiler.rs:3992:50
[INFO] [stdout]      |
[INFO] [stdout] 3992 | (&Token::AndAnd,&Token::MaybeMut(_),&Token::Expr(ref expr)) => Token::NonblockPrefixExpr(ExprKind::Fixme),
[INFO] [stdout]      |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:540:13
[INFO] [stdout]     |
[INFO] [stdout] 540 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:540:53
[INFO] [stdout]     |
[INFO] [stdout] 540 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:546:13
[INFO] [stdout]     |
[INFO] [stdout] 546 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:546:53
[INFO] [stdout]     |
[INFO] [stdout] 546 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:550:13
[INFO] [stdout]     |
[INFO] [stdout] 550 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,char)>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:562:13
[INFO] [stdout]     |
[INFO] [stdout] 562 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:562:53
[INFO] [stdout]     |
[INFO] [stdout] 562 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:566:13
[INFO] [stdout]     |
[INFO] [stdout] 566 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,String)>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:581:13
[INFO] [stdout]     |
[INFO] [stdout] 581 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:581:53
[INFO] [stdout]     |
[INFO] [stdout] 581 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:585:13
[INFO] [stdout]     |
[INFO] [stdout] 585 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:585:53
[INFO] [stdout]     |
[INFO] [stdout] 585 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:589:13
[INFO] [stdout]     |
[INFO] [stdout] 589 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:589:53
[INFO] [stdout]     |
[INFO] [stdout] 589 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/compiler.rs:593:13
[INFO] [stdout]     |
[INFO] [stdout] 593 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/compiler.rs:593:53
[INFO] [stdout]     |
[INFO] [stdout] 593 | { fn _match(parser:&mut Parser<Token,ParsingTables>,source:& str)->Option<(usize,())>{
[INFO] [stdout]     |                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/compiler.rs:169:103
[INFO] [stdout]     |
[INFO] [stdout] 169 | ...f , ";")}, & StmtKind::Item(ref attrs,ref token) => write!(f , "{}" , token), & StmtKind::Block(ref attrs,ref token) => write!(f , "{}...
[INFO] [stdout]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/compiler.rs:169:171
[INFO] [stdout]     |
[INFO] [stdout] 169 | ..., token), & StmtKind::Block(ref attrs,ref token) => write!(f , "{}" , token), & StmtKind::Expr(ref attrs,ref token) => write!(f , "{};...
[INFO] [stdout]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]    --> src/compiler.rs:169:238
[INFO] [stdout]     |
[INFO] [stdout] 169 | ... , token), & StmtKind::Expr(ref attrs,ref token) => write!(f , "{};" , token), & StmtKind::Empty => write!(f , ";"), }
[INFO] [stdout]     |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subname`
[INFO] [stdout]    --> src/compiler.rs:218:89
[INFO] [stdout]     |
[INFO] [stdout] 218 | ... ItemKind::Macro(ref name,ref subname,ref token) => write!(f , "{}!{};" , name , token), & ItemKind::FN(ref name,ref lifetimes,ref gp,...
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subname`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attributes`
[INFO] [stdout]    --> src/compiler.rs:261:3631
[INFO] [stdout]     |
[INFO] [stdout] 261 | ..., & Token::MatchClause(ref attributes,ref pattern,ref token) => write!(f , "{} => {}," , pattern , token), & Token::PatTup(ref pattern...
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attributes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/compiler.rs:296:241
[INFO] [stdout]     |
[INFO] [stdout] 296 | ...m), & ItemKind::Macro(ref path,ref id,ref tree) => {match (path.as_ref(),tree.as_ref()) { (& Token::PathExpr(PathKind::Ident(ref s)),&...
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lifetimes`
[INFO] [stdout]    --> src/compiler.rs:323:57
[INFO] [stdout]     |
[INFO] [stdout] 323 | ...& ItemKind::FN(ref name,ref lifetimes,ref _gp,ref _params,ref _oret,ref _bs,ref _be) => {if name == "_match" {fn_match = (Some(item.cl...
[INFO] [stdout]     |                            ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lifetimes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]     --> src/compiler.rs:2966:21
[INFO] [stdout]      |
[INFO] [stdout] 2966 | (&Token::PatTupElts(ref elements),&Token::DotDot) => Token::PatTup(vec![]),
[INFO] [stdout]      |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]     --> src/compiler.rs:2969:21
[INFO] [stdout]      |
[INFO] [stdout] 2969 | (&Token::PatTupElts(ref elements),&Token::Comma,&Token::DotDot) => Token::PatTup(vec![]),
[INFO] [stdout]      |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]     --> src/compiler.rs:2972:21
[INFO] [stdout]      |
[INFO] [stdout] 2972 | (&Token::PatTupElts(ref elements),&Token::DotDot,&Token::Comma,&Token::PatTupElts(_)) => Token::PatTup(vec![]),
[INFO] [stdout]      |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]     --> src/compiler.rs:2975:21
[INFO] [stdout]      |
[INFO] [stdout] 2975 | (&Token::PatTupElts(ref elements),&Token::DotDot,&Token::Comma,&Token::PatTupElts(_),&Token::Comma) => Token::PatTup(vec![]),
[INFO] [stdout]      |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]     --> src/compiler.rs:2978:21
[INFO] [stdout]      |
[INFO] [stdout] 2978 | (&Token::PatTupElts(ref elements),&Token::Comma,&Token::DotDot,&Token::Comma,&Token::PatTupElts(_)) => Token::PatTup(vec![]),
[INFO] [stdout]      |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]     --> src/compiler.rs:2981:21
[INFO] [stdout]      |
[INFO] [stdout] 2981 | (&Token::PatTupElts(ref elements),&Token::Comma,&Token::DotDot,&Token::Comma,&Token::PatTupElts(_),&Token::Comma) => Token::PatTup(vec![]),
[INFO] [stdout]      |                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]     --> src/compiler.rs:3485:23
[INFO] [stdout]      |
[INFO] [stdout] 3485 | (&Token::NonblockExpr(ref left),&Token::LT,&Token::NoSpace,&Token::LT,&Token::Equal,&Token::Expr(ref right)) => Token::NonblockExpr(ExprK...
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]     --> src/compiler.rs:3485:98
[INFO] [stdout]      |
[INFO] [stdout] 3485 | ...,&Token::Equal,&Token::Expr(ref right)) => Token::NonblockExpr(ExprKind::Fixme),
[INFO] [stdout]      |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]     --> src/compiler.rs:3488:23
[INFO] [stdout]      |
[INFO] [stdout] 3488 | (&Token::NonblockExpr(ref left),&Token::GT,&Token::NoSpace,&Token::GT,&Token::Equal,&Token::Expr(ref right)) => Token::NonblockExpr(ExprK...
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]     --> src/compiler.rs:3488:98
[INFO] [stdout]      |
[INFO] [stdout] 3488 | ...,&Token::Equal,&Token::Expr(ref right)) => Token::NonblockExpr(ExprKind::Fixme),
[INFO] [stdout]      |                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]     --> src/compiler.rs:3548:23
[INFO] [stdout]      |
[INFO] [stdout] 3548 | (&Token::NonblockExpr(ref left),&Token::LT,&Token::NoSpace,&Token::LT,&Token::Expr(ref right)) => Token::NonblockExpr(ExprKind::Fixme),
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]     --> src/compiler.rs:3548:84
[INFO] [stdout]      |
[INFO] [stdout] 3548 | (&Token::NonblockExpr(ref left),&Token::LT,&Token::NoSpace,&Token::LT,&Token::Expr(ref right)) => Token::NonblockExpr(ExprKind::Fixme),
[INFO] [stdout]      |                                                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]     --> src/compiler.rs:3551:23
[INFO] [stdout]      |
[INFO] [stdout] 3551 | (&Token::NonblockExpr(ref left),&Token::GT,&Token::NoSpace,&Token::GT,&Token::Expr(ref right)) => Token::NonblockExpr(ExprKind::Fixme),
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]     --> src/compiler.rs:3551:84
[INFO] [stdout]      |
[INFO] [stdout] 3551 | (&Token::NonblockExpr(ref left),&Token::GT,&Token::NoSpace,&Token::GT,&Token::Expr(ref right)) => Token::NonblockExpr(ExprKind::Fixme),
[INFO] [stdout]      |                                                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]     --> src/compiler.rs:3662:15
[INFO] [stdout]      |
[INFO] [stdout] 3662 | (&Token::Expr(ref left),&Token::LT,&Token::NoSpace,&Token::LT,&Token::Equal,&Token::Expr(ref right)) => Token::Expr(ExprKind::Fixme),
[INFO] [stdout]      |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]     --> src/compiler.rs:3662:90
[INFO] [stdout]      |
[INFO] [stdout] 3662 | (&Token::Expr(ref left),&Token::LT,&Token::NoSpace,&Token::LT,&Token::Equal,&Token::Expr(ref right)) => Token::Expr(ExprKind::Fixme),
[INFO] [stdout]      |                                                                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]     --> src/compiler.rs:3665:15
[INFO] [stdout]      |
[INFO] [stdout] 3665 | (&Token::Expr(ref left),&Token::GT,&Token::NoSpace,&Token::GT,&Token::Equal,&Token::Expr(ref right)) => Token::Expr(ExprKind::Fixme),
[INFO] [stdout]      |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]     --> src/compiler.rs:3665:90
[INFO] [stdout]      |
[INFO] [stdout] 3665 | (&Token::Expr(ref left),&Token::GT,&Token::NoSpace,&Token::GT,&Token::Equal,&Token::Expr(ref right)) => Token::Expr(ExprKind::Fixme),
[INFO] [stdout]      |                                                                                          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]     --> src/compiler.rs:3992:50
[INFO] [stdout]      |
[INFO] [stdout] 3992 | (&Token::AndAnd,&Token::MaybeMut(_),&Token::Expr(ref expr)) => Token::NonblockPrefixExpr(ExprKind::Fixme),
[INFO] [stdout]      |                                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fixme`
[INFO] [stdout]   --> src/compiler.rs:87:1
[INFO] [stdout]    |
[INFO] [stdout] 87 | Fixme,
[INFO] [stdout]    | ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fixme`
[INFO] [stdout]   --> src/compiler.rs:98:1
[INFO] [stdout]    |
[INFO] [stdout] 98 | Fixme,
[INFO] [stdout]    | ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bounds`
[INFO] [stdout]    --> src/compiler.rs:448:3621
[INFO] [stdout]     |
[INFO] [stdout] 448 | ...Boundseq,Polybound,Bindings,Binding,TyParam(String),MaybeBounds,Bounds,Bound,MaybeLTBounds,LTBounds,MaybeTyDefault,MaybeLifetimes,Life...
[INFO] [stdout]     |                                                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fixme`
[INFO] [stdout]   --> src/compiler.rs:87:1
[INFO] [stdout]    |
[INFO] [stdout] 87 | Fixme,
[INFO] [stdout]    | ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Fixme`
[INFO] [stdout]   --> src/compiler.rs:98:1
[INFO] [stdout]    |
[INFO] [stdout] 98 | Fixme,
[INFO] [stdout]    | ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bounds`
[INFO] [stdout]    --> src/compiler.rs:448:3621
[INFO] [stdout]     |
[INFO] [stdout] 448 | ...Boundseq,Polybound,Bindings,Binding,TyParam(String),MaybeBounds,Bounds,Bound,MaybeLTBounds,LTBounds,MaybeTyDefault,MaybeLifetimes,Life...
[INFO] [stdout]     |                                                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 78 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 78 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1a152b8614545efb490c792a26d507abe3049a65a7fe273ce87ad481db987071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a152b8614545efb490c792a26d507abe3049a65a7fe273ce87ad481db987071", kill_on_drop: false }`
[INFO] [stdout] 1a152b8614545efb490c792a26d507abe3049a65a7fe273ce87ad481db987071
