[INFO] updating cached repository https://github.com/zesterer/bread
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[INFO] [stderr] From https://github.com/zesterer/bread
[INFO] [stderr]    30f549a..4850183  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
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[INFO] checking zesterer/bread against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Fbread" "/workspace/builds/worker-4/source"`
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[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zesterer/bread
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[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7e30da8eca627c7cffcf34914a81214bf091ff88f4daffd4389f91c87ac0a39
[INFO] running `"docker" "start" "-a" "f7e30da8eca627c7cffcf34914a81214bf091ff88f4daffd4389f91c87ac0a39"`
[INFO] [stderr]     Checking smallbox v0.8.0
[INFO] [stderr]    Compiling im-rc v14.1.0
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking thread-id v3.3.0
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[INFO] [stderr]     Checking tinyset v0.4.2
[INFO] [stderr]     Checking rustyline v6.0.0
[INFO] [stderr]     Checking thread_local v0.3.3
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[INFO] [stderr]     Checking state v0.4.1
[INFO] [stderr]     Checking internment v0.3.12
[INFO] [stderr]     Checking sized-chunks v0.5.1
[INFO] [stderr]     Checking tao v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `node::Node`, `src::SrcRegion`
[INFO] [stderr]  --> src/eval.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     node::Node,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 6 |     error::Error,
[INFO] [stderr] 7 |     src::SrcRegion,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lex::Token`
[INFO] [stderr]  --> src/src.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     lex::Token,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Delimiter`, `Op`
[INFO] [stderr]  --> src/ast.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 |     lex::{Token, Delimiter, Op},
[INFO] [stderr]   |                  ^^^^^^^^^  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BinaryOp`, `UnaryOp`
[INFO] [stderr]  --> src/ty.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::parse::{UnaryOp, BinaryOp};
[INFO] [stderr]   |                    ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `node::Node`, `src::SrcRegion`
[INFO] [stderr]  --> src/eval.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     node::Node,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 6 |     error::Error,
[INFO] [stderr] 7 |     src::SrcRegion,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lex::Token`
[INFO] [stderr]  --> src/src.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     lex::Token,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Delimiter`, `Op`
[INFO] [stderr]  --> src/ast.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 |     lex::{Token, Delimiter, Op},
[INFO] [stderr]   |                  ^^^^^^^^^  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BinaryOp`, `UnaryOp`
[INFO] [stderr]  --> src/ty.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::parse::{UnaryOp, BinaryOp};
[INFO] [stderr]   |                    ^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/hir.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |             (TypeInfo::Generic(a, a_ty), TypeInfo::Generic(b, b_ty)) => a_ty.unify_with(b_ty),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sc`
[INFO] [stderr]    --> src/lex.rs:190:32
[INFO] [stderr]     |
[INFO] [stderr] 190 |             .or(just('<').map(|sc| Token::Op(Op::Less)))
[INFO] [stderr]     |                                ^^ help: consider prefixing with an underscore: `_sc`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sc`
[INFO] [stderr]    --> src/lex.rs:191:32
[INFO] [stderr]     |
[INFO] [stderr] 191 |             .or(just('>').map(|sc| Token::Op(Op::More)))
[INFO] [stderr]     |                                ^^ help: consider prefixing with an underscore: `_sc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sc`
[INFO] [stderr]    --> src/lex.rs:192:32
[INFO] [stderr]     |
[INFO] [stderr] 192 |             .or(just('!').map(|sc| Token::Op(Op::Not)))
[INFO] [stderr]     |                                ^^ help: consider prefixing with an underscore: `_sc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sc`
[INFO] [stderr]    --> src/lex.rs:193:32
[INFO] [stderr]     |
[INFO] [stderr] 193 |             .or(just(',').map(|sc| Token::Comma))
[INFO] [stderr]     |                                ^^ help: consider prefixing with an underscore: `_sc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sc`
[INFO] [stderr]    --> src/lex.rs:194:32
[INFO] [stderr]     |
[INFO] [stderr] 194 |             .or(just(':').map(|sc| Token::Colon))
[INFO] [stderr]     |                                ^^ help: consider prefixing with an underscore: `_sc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sc`
[INFO] [stderr]    --> src/lex.rs:195:32
[INFO] [stderr]     |
[INFO] [stderr] 195 |             .or(just('?').map(|sc| Token::QuestionMark))
[INFO] [stderr]     |                                ^^ help: consider prefixing with an underscore: `_sc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tokens`
[INFO] [stderr]    --> src/lex.rs:125:32
[INFO] [stderr]     |
[INFO] [stderr] 125 |             Token::Tree(delim, tokens) => write!(f, "{}...{}", delim.left(), delim.right()),
[INFO] [stderr]     |                                ^^^^^^ help: consider prefixing with an underscore: `_tokens`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `region`
[INFO] [stderr]    --> src/parse.rs:284:25
[INFO] [stderr]     |
[INFO] [stderr] 284 |                     let region = f_region.union(val.region);
[INFO] [stderr]     |                         ^^^^^^ help: consider prefixing with an underscore: `_region`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_a`
[INFO] [stderr]    --> src/src.rs:137:31
[INFO] [stderr]     |
[INFO] [stderr] 137 |             (SrcRegion::Range(from_a, until_a), SrcRegion::Range(from_b, until_b)) =>
[INFO] [stderr]     |                               ^^^^^^ help: consider prefixing with an underscore: `_from_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_b`
[INFO] [stderr]    --> src/src.rs:137:66
[INFO] [stderr]     |
[INFO] [stderr] 137 |             (SrcRegion::Range(from_a, until_a), SrcRegion::Range(from_b, until_b)) =>
[INFO] [stderr]     |                                                                  ^^^^^^ help: consider prefixing with an underscore: `_from_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/src.rs:208:15
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn single(index: usize, sym: &Node<T>) -> Self {
[INFO] [stderr]     |               ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `region`
[INFO] [stderr]    --> src/error.rs:153:40
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn expected_end(sym: &Node<Token>, region: SrcRegion) -> Self {
[INFO] [stderr]     |                                        ^^^^^^ help: consider prefixing with an underscore: `_region`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end_col`
[INFO] [stderr]    --> src/error.rs:196:62
[INFO] [stderr]     |
[INFO] [stderr] 196 |             if let Some(((start_line, start_col), (end_line, end_col))) = regions
[INFO] [stderr]     |                                                              ^^^^^^^ help: consider prefixing with an underscore: `_end_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/hir.rs:280:10
[INFO] [stderr]     |
[INFO] [stderr] 280 |     for (i, (pop, pa, po)) in possibles.iter().enumerate() {
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/hir.rs:334:10
[INFO] [stderr]     |
[INFO] [stderr] 334 |     for (i, (pop, pa, pb, po)) in possibles.iter().enumerate() {
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `region`
[INFO] [stderr]    --> src/hir.rs:114:21
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 let region = self.region.earliest(other.region);
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_region`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/hir.rs:149:32
[INFO] [stderr]     |
[INFO] [stderr] 149 |             (TypeInfo::Generic(a, a_ty), TypeInfo::Generic(b, b_ty)) => a_ty.unify_with(b_ty),
[INFO] [stderr]     |                                ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/hir.rs:149:60
[INFO] [stderr]     |
[INFO] [stderr] 149 |             (TypeInfo::Generic(a, a_ty), TypeInfo::Generic(b, b_ty)) => a_ty.unify_with(b_ty),
[INFO] [stderr]     |                                                            ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]    --> src/hir.rs:474:25
[INFO] [stderr]     |
[INFO] [stderr] 474 |             Expr::Ident(ident) => {},
[INFO] [stderr]     |                         ^^^^^ help: consider prefixing with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/hir.rs:524:29
[INFO] [stderr]     |
[INFO] [stderr] 524 |                 Decl::Value(name, ty_params, body) => {
[INFO] [stderr]     |                             ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty_params`
[INFO] [stderr]    --> src/hir.rs:524:35
[INFO] [stderr]     |
[INFO] [stderr] 524 |                 Decl::Value(name, ty_params, body) => {
[INFO] [stderr]     |                                   ^^^^^^^^^ help: consider prefixing with an underscore: `_ty_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/compile.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 let addr = match offset_of(**ident, ident.region()) {
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/hir.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |             (TypeInfo::Generic(a, a_ty), TypeInfo::Generic(b, b_ty)) => a_ty.unify_with(b_ty),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sc`
[INFO] [stderr]    --> src/lex.rs:190:32
[INFO] [stderr]     |
[INFO] [stderr] 190 |             .or(just('<').map(|sc| Token::Op(Op::Less)))
[INFO] [stderr]     |                                ^^ help: consider prefixing with an underscore: `_sc`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sc`
[INFO] [stderr]    --> src/lex.rs:191:32
[INFO] [stderr]     |
[INFO] [stderr] 191 |             .or(just('>').map(|sc| Token::Op(Op::More)))
[INFO] [stderr]     |                                ^^ help: consider prefixing with an underscore: `_sc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sc`
[INFO] [stderr]    --> src/lex.rs:192:32
[INFO] [stderr]     |
[INFO] [stderr] 192 |             .or(just('!').map(|sc| Token::Op(Op::Not)))
[INFO] [stderr]     |                                ^^ help: consider prefixing with an underscore: `_sc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sc`
[INFO] [stderr]    --> src/lex.rs:193:32
[INFO] [stderr]     |
[INFO] [stderr] 193 |             .or(just(',').map(|sc| Token::Comma))
[INFO] [stderr]     |                                ^^ help: consider prefixing with an underscore: `_sc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sc`
[INFO] [stderr]    --> src/lex.rs:194:32
[INFO] [stderr]     |
[INFO] [stderr] 194 |             .or(just(':').map(|sc| Token::Colon))
[INFO] [stderr]     |                                ^^ help: consider prefixing with an underscore: `_sc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sc`
[INFO] [stderr]    --> src/lex.rs:195:32
[INFO] [stderr]     |
[INFO] [stderr] 195 |             .or(just('?').map(|sc| Token::QuestionMark))
[INFO] [stderr]     |                                ^^ help: consider prefixing with an underscore: `_sc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tokens`
[INFO] [stderr]    --> src/lex.rs:125:32
[INFO] [stderr]     |
[INFO] [stderr] 125 |             Token::Tree(delim, tokens) => write!(f, "{}...{}", delim.left(), delim.right()),
[INFO] [stderr]     |                                ^^^^^^ help: consider prefixing with an underscore: `_tokens`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `region`
[INFO] [stderr]    --> src/parse.rs:284:25
[INFO] [stderr]     |
[INFO] [stderr] 284 |                     let region = f_region.union(val.region);
[INFO] [stderr]     |                         ^^^^^^ help: consider prefixing with an underscore: `_region`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_a`
[INFO] [stderr]    --> src/src.rs:137:31
[INFO] [stderr]     |
[INFO] [stderr] 137 |             (SrcRegion::Range(from_a, until_a), SrcRegion::Range(from_b, until_b)) =>
[INFO] [stderr]     |                               ^^^^^^ help: consider prefixing with an underscore: `_from_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_b`
[INFO] [stderr]    --> src/src.rs:137:66
[INFO] [stderr]     |
[INFO] [stderr] 137 |             (SrcRegion::Range(from_a, until_a), SrcRegion::Range(from_b, until_b)) =>
[INFO] [stderr]     |                                                                  ^^^^^^ help: consider prefixing with an underscore: `_from_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/src.rs:208:15
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn single(index: usize, sym: &Node<T>) -> Self {
[INFO] [stderr]     |               ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `region`
[INFO] [stderr]    --> src/error.rs:153:40
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn expected_end(sym: &Node<Token>, region: SrcRegion) -> Self {
[INFO] [stderr]     |                                        ^^^^^^ help: consider prefixing with an underscore: `_region`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end_col`
[INFO] [stderr]    --> src/error.rs:196:62
[INFO] [stderr]     |
[INFO] [stderr] 196 |             if let Some(((start_line, start_col), (end_line, end_col))) = regions
[INFO] [stderr]     |                                                              ^^^^^^^ help: consider prefixing with an underscore: `_end_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/hir.rs:280:10
[INFO] [stderr]     |
[INFO] [stderr] 280 |     for (i, (pop, pa, po)) in possibles.iter().enumerate() {
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/hir.rs:334:10
[INFO] [stderr]     |
[INFO] [stderr] 334 |     for (i, (pop, pa, pb, po)) in possibles.iter().enumerate() {
[INFO] [stderr]     |          ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `region`
[INFO] [stderr]    --> src/hir.rs:114:21
[INFO] [stderr]     |
[INFO] [stderr] 114 |                 let region = self.region.earliest(other.region);
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_region`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/hir.rs:149:32
[INFO] [stderr]     |
[INFO] [stderr] 149 |             (TypeInfo::Generic(a, a_ty), TypeInfo::Generic(b, b_ty)) => a_ty.unify_with(b_ty),
[INFO] [stderr]     |                                ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/hir.rs:149:60
[INFO] [stderr]     |
[INFO] [stderr] 149 |             (TypeInfo::Generic(a, a_ty), TypeInfo::Generic(b, b_ty)) => a_ty.unify_with(b_ty),
[INFO] [stderr]     |                                                            ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]    --> src/hir.rs:474:25
[INFO] [stderr]     |
[INFO] [stderr] 474 |             Expr::Ident(ident) => {},
[INFO] [stderr]     |                         ^^^^^ help: consider prefixing with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/hir.rs:524:29
[INFO] [stderr]     |
[INFO] [stderr] 524 |                 Decl::Value(name, ty_params, body) => {
[INFO] [stderr]     |                             ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ty_params`
[INFO] [stderr]    --> src/hir.rs:524:35
[INFO] [stderr]     |
[INFO] [stderr] 524 |                 Decl::Value(name, ty_params, body) => {
[INFO] [stderr]     |                                   ^^^^^^^^^ help: consider prefixing with an underscore: `_ty_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/compile.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 let addr = match offset_of(**ident, ident.region()) {
[INFO] [stderr]     |                     ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hir.rs:513:13
[INFO] [stderr]     |
[INFO] [stderr] 513 |         let mut scope = Scope::Global(self.decls
[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: variant is never constructed: `Brace`
[INFO] [stderr]   --> src/lex.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     Brace,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at`
[INFO] [stderr]   --> src/parse.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn at(self, region: SrcRegion) -> Node<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at`
[INFO] [stderr]   --> src/parse.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn at(self, region: SrcRegion) -> Node<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]    --> src/parse.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn name(&self) -> &Node<LocalIntern<String>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `string`
[INFO] [stderr]    --> src/eval.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn string(self) -> Option<String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `list`
[INFO] [stderr]    --> src/eval.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn list(self) -> Option<Vector<Self>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start`
[INFO] [stderr]   --> src/src.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub const fn start() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `prev`
[INFO] [stderr]   --> src/src.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub const fn prev(self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `extend_to`
[INFO] [stderr]    --> src/src.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn extend_to(self, limit: SrcLoc) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `homogenize`
[INFO] [stderr]    --> src/src.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn homogenize(self, other: Self) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `recursive_type`
[INFO] [stderr]   --> src/error.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn recursive_type(a: Node<TypeInfo>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RecursiveType`
[INFO] [stderr]    --> src/error.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     RecursiveType(Node<TypeInfo>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_complex`
[INFO] [stderr]    --> src/hir.rs:206:5
[INFO] [stderr]     |
[INFO] [stderr] 206 |     pub fn is_complex(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_global`
[INFO] [stderr]    --> src/hir.rs:389:5
[INFO] [stderr]     |
[INFO] [stderr] 389 |     pub fn set_global(&mut self, name: LocalIntern<String>, item: (Vec<TypeParam>, RefCell<Node<TypeInfo>>)) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/ast.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(item: T, region: SrcRegion) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/ast.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Number(f64),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/ast.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     String(LocalIntern<String>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Boolean`
[INFO] [stderr]   --> src/ast.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Boolean(bool),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Neg`
[INFO] [stderr]   --> src/ast.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Neg,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Not`
[INFO] [stderr]   --> src/ast.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Not,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Head`
[INFO] [stderr]   --> src/ast.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Head,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tail`
[INFO] [stderr]   --> src/ast.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Tail,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/ast.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sub`
[INFO] [stderr]   --> src/ast.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Sub,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mul`
[INFO] [stderr]   --> src/ast.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     Mul,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Div`
[INFO] [stderr]   --> src/ast.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     Div,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rem`
[INFO] [stderr]   --> src/ast.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     Rem,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eq`
[INFO] [stderr]   --> src/ast.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     Eq,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Less`
[INFO] [stderr]   --> src/ast.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     Less,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `More`
[INFO] [stderr]   --> src/ast.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     More,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessEq`
[INFO] [stderr]   --> src/ast.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     LessEq,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MoreEq`
[INFO] [stderr]   --> src/ast.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     MoreEq,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Join`
[INFO] [stderr]   --> src/ast.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     Join,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Apply`
[INFO] [stderr]   --> src/ast.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     Apply,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Wildcard`
[INFO] [stderr]   --> src/ast.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     Wildcard,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]   --> src/ast.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     Literal(Literal),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ident`
[INFO] [stderr]   --> src/ast.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     Ident(Ident),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]   --> src/ast.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     List(Vec<Node<Pat>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ListFront`
[INFO] [stderr]   --> src/ast.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     ListFront(Vec<Node<Pat>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ListBack`
[INFO] [stderr]   --> src/ast.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     ListBack(Vec<Node<Pat>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]   --> src/ast.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Tuple(Vec<Node<Pat>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ident`
[INFO] [stderr]   --> src/ast.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     Ident(Ident),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Complex`
[INFO] [stderr]   --> src/ast.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     Complex(Node<Type>, Vec<Node<Type>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]   --> src/ast.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     Tuple(Vec<Node<Type>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Func`
[INFO] [stderr]   --> src/ast.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     Func(Node<Type>, Node<Type>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]   --> src/ast.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Literal(Literal),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ident`
[INFO] [stderr]   --> src/ast.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     Ident(Ident),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Path`
[INFO] [stderr]   --> src/ast.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     Path(Path),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unary`
[INFO] [stderr]   --> src/ast.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     Unary(Node<UnaryOp>, Node<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binary`
[INFO] [stderr]   --> src/ast.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     Binary(Node<BinaryOp>, Node<Expr>, Node<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/ast.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     If(Node<Expr>, Node<Expr>, Node<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Match`
[INFO] [stderr]   --> src/ast.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     Match(Node<Expr>, Vec<(Node<Pat>, Node<Expr>)>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Func`
[INFO] [stderr]   --> src/ast.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     Func(Node<Pat>, Node<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Apply`
[INFO] [stderr]   --> src/ast.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     Apply(Node<Expr>, Node<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]   --> src/ast.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Let(Node<Pat>, Option<Node<Type>>, Node<Expr>, Node<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]   --> src/ast.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     List(Vec<Node<Expr>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]   --> src/ast.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     Tuple(Vec<Node<Expr>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ident_parser`
[INFO] [stderr]    --> src/ast.rs:102:4
[INFO] [stderr]     |
[INFO] [stderr] 102 | fn ident_parser() -> Parser<impl Pattern<Error, Input=node::Node<Token>, Output=Ident>, Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expr_parser`
[INFO] [stderr]    --> src/ast.rs:109:4
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn expr_parser() -> Parser<impl Pattern<Error, Input=node::Node<Token>, Output=Node<Expr>>, Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mismatch`
[INFO] [stderr]   --> src/ty.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Mismatch(TypeId, TypeId),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]   --> src/ty.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Unknown,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]   --> src/ty.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     List(TypeId),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]   --> src/ty.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Tuple(Vec<TypeId>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AssociatedType`
[INFO] [stderr]   --> src/ty.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     AssociatedType(TraitId, TypeId, Ident), // e.g: (Add<Int>, Int, "Output") = Int
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `link`
[INFO] [stderr]   --> src/ty.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn link(&mut self, a: TypeId, b: TypeId) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unify`
[INFO] [stderr]   --> src/ty.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn unify(&mut self, a: TypeId, b: TypeId) -> Result<(), InferError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hir.rs:513:13
[INFO] [stderr]     |
[INFO] [stderr] 513 |         let mut scope = Scope::Global(self.decls
[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: variant is never constructed: `Brace`
[INFO] [stderr]   --> src/lex.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     Brace,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at`
[INFO] [stderr]   --> src/parse.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn at(self, region: SrcRegion) -> Node<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at`
[INFO] [stderr]   --> src/parse.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn at(self, region: SrcRegion) -> Node<Self> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]    --> src/parse.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn name(&self) -> &Node<LocalIntern<String>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `string`
[INFO] [stderr]    --> src/eval.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn string(self) -> Option<String> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `list`
[INFO] [stderr]    --> src/eval.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn list(self) -> Option<Vector<Self>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start`
[INFO] [stderr]   --> src/src.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub const fn start() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `prev`
[INFO] [stderr]   --> src/src.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub const fn prev(self) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `extend_to`
[INFO] [stderr]    --> src/src.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn extend_to(self, limit: SrcLoc) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `homogenize`
[INFO] [stderr]    --> src/src.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn homogenize(self, other: Self) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `recursive_type`
[INFO] [stderr]   --> src/error.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn recursive_type(a: Node<TypeInfo>) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RecursiveType`
[INFO] [stderr]    --> src/error.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     RecursiveType(Node<TypeInfo>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_complex`
[INFO] [stderr]    --> src/hir.rs:206:5
[INFO] [stderr]     |
[INFO] [stderr] 206 |     pub fn is_complex(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_global`
[INFO] [stderr]    --> src/hir.rs:389:5
[INFO] [stderr]     |
[INFO] [stderr] 389 |     pub fn set_global(&mut self, name: LocalIntern<String>, item: (Vec<TypeParam>, RefCell<Node<TypeInfo>>)) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/ast.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(item: T, region: SrcRegion) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/ast.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Number(f64),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/ast.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     String(LocalIntern<String>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Boolean`
[INFO] [stderr]   --> src/ast.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Boolean(bool),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Neg`
[INFO] [stderr]   --> src/ast.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Neg,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Not`
[INFO] [stderr]   --> src/ast.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Not,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Head`
[INFO] [stderr]   --> src/ast.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Head,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tail`
[INFO] [stderr]   --> src/ast.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Tail,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/ast.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sub`
[INFO] [stderr]   --> src/ast.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     Sub,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mul`
[INFO] [stderr]   --> src/ast.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     Mul,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Div`
[INFO] [stderr]   --> src/ast.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     Div,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rem`
[INFO] [stderr]   --> src/ast.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     Rem,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eq`
[INFO] [stderr]   --> src/ast.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     Eq,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Less`
[INFO] [stderr]   --> src/ast.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     Less,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `More`
[INFO] [stderr]   --> src/ast.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     More,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessEq`
[INFO] [stderr]   --> src/ast.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     LessEq,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MoreEq`
[INFO] [stderr]   --> src/ast.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     MoreEq,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Join`
[INFO] [stderr]   --> src/ast.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     Join,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Apply`
[INFO] [stderr]   --> src/ast.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     Apply,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Wildcard`
[INFO] [stderr]   --> src/ast.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     Wildcard,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]   --> src/ast.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     Literal(Literal),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ident`
[INFO] [stderr]   --> src/ast.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     Ident(Ident),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]   --> src/ast.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     List(Vec<Node<Pat>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ListFront`
[INFO] [stderr]   --> src/ast.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     ListFront(Vec<Node<Pat>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ListBack`
[INFO] [stderr]   --> src/ast.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     ListBack(Vec<Node<Pat>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]   --> src/ast.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Tuple(Vec<Node<Pat>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ident`
[INFO] [stderr]   --> src/ast.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     Ident(Ident),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Complex`
[INFO] [stderr]   --> src/ast.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     Complex(Node<Type>, Vec<Node<Type>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]   --> src/ast.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     Tuple(Vec<Node<Type>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Func`
[INFO] [stderr]   --> src/ast.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     Func(Node<Type>, Node<Type>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]   --> src/ast.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Literal(Literal),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ident`
[INFO] [stderr]   --> src/ast.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     Ident(Ident),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Path`
[INFO] [stderr]   --> src/ast.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     Path(Path),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unary`
[INFO] [stderr]   --> src/ast.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     Unary(Node<UnaryOp>, Node<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binary`
[INFO] [stderr]   --> src/ast.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     Binary(Node<BinaryOp>, Node<Expr>, Node<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/ast.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     If(Node<Expr>, Node<Expr>, Node<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Match`
[INFO] [stderr]   --> src/ast.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     Match(Node<Expr>, Vec<(Node<Pat>, Node<Expr>)>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Func`
[INFO] [stderr]   --> src/ast.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     Func(Node<Pat>, Node<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Apply`
[INFO] [stderr]   --> src/ast.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     Apply(Node<Expr>, Node<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]   --> src/ast.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Let(Node<Pat>, Option<Node<Type>>, Node<Expr>, Node<Expr>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]   --> src/ast.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     List(Vec<Node<Expr>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]   --> src/ast.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     Tuple(Vec<Node<Expr>>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ident_parser`
[INFO] [stderr]    --> src/ast.rs:102:4
[INFO] [stderr]     |
[INFO] [stderr] 102 | fn ident_parser() -> Parser<impl Pattern<Error, Input=node::Node<Token>, Output=Ident>, Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expr_parser`
[INFO] [stderr]    --> src/ast.rs:109:4
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn expr_parser() -> Parser<impl Pattern<Error, Input=node::Node<Token>, Output=Node<Expr>>, Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Num`
[INFO] [stderr]  --> src/ty.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Num,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]   --> src/ty.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Bool,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Atom`
[INFO] [stderr]   --> src/ty.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Atom(Atom),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]   --> src/ty.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     List(Box<Self>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]   --> src/ty.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Tuple(Vec<Self>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Func`
[INFO] [stderr]   --> src/ty.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Func(Box<Self>, Box<Self>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CannotInfer`
[INFO] [stderr]   --> src/ty.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     CannotInfer,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mismatch`
[INFO] [stderr]   --> src/ty.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Mismatch(TypeId, TypeId),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]   --> src/ty.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Unknown,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]   --> src/ty.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     List(TypeId),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tuple`
[INFO] [stderr]   --> src/ty.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Tuple(Vec<TypeId>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Func`
[INFO] [stderr]   --> src/ty.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Func(TypeId, TypeId),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AssociatedType`
[INFO] [stderr]   --> src/ty.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     AssociatedType(TraitId, TypeId, Ident), // e.g: (Add<Int>, Int, "Output") = Int
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `refs`
[INFO] [stderr]   --> src/ty.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     refs: HashMap<TypeId, TypeId>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `types`
[INFO] [stderr]   --> src/ty.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     types: HashMap<TypeId, TypeInfo>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id_counter`
[INFO] [stderr]   --> src/ty.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     id_counter: TypeId,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_id`
[INFO] [stderr]   --> src/ty.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn new_id(&mut self) -> TypeId {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]   --> src/ty.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn get(&self, id: TypeId) -> TypeInfo {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `link`
[INFO] [stderr]   --> src/ty.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn link(&mut self, a: TypeId, b: TypeId) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unify`
[INFO] [stderr]   --> src/ty.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn unify(&mut self, a: TypeId, b: TypeId) -> Result<(), InferError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/ty.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn insert(&mut self, ty: impl Into<TypeInfo>) -> TypeId {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reconstruct`
[INFO] [stderr]    --> src/ty.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn reconstruct(&self, id: TypeId) -> Result<Type, InferError> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.86s
[INFO] running `"docker" "inspect" "f7e30da8eca627c7cffcf34914a81214bf091ff88f4daffd4389f91c87ac0a39"`
[INFO] running `"docker" "rm" "-f" "f7e30da8eca627c7cffcf34914a81214bf091ff88f4daffd4389f91c87ac0a39"`
[INFO] [stdout] f7e30da8eca627c7cffcf34914a81214bf091ff88f4daffd4389f91c87ac0a39