[INFO] updating cached repository https://github.com/LouisJackman/sylan
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/LouisJackman/sylan
[INFO] [stderr]    58545e5..4a748f4  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a748f46929f2a98f601460777ece343c6b7978e
[INFO] checking LouisJackman/sylan against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLouisJackman%2Fsylan" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LouisJackman/sylan on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LouisJackman/sylan
[INFO] finished tweaking git repo https://github.com/LouisJackman/sylan
[INFO] tweaked toml for git repo https://github.com/LouisJackman/sylan written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/LouisJackman/sylan already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] b3257ba281a9889d2ea146ed2cca68d32ada96669e14cd52774e81a8fdfd83a9
[INFO] running `"docker" "start" "-a" "b3257ba281a9889d2ea146ed2cca68d32ada96669e14cd52774e81a8fdfd83a9"`
[INFO] [stderr]     Checking sylan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Extension`, `Fun`, `Node`, `Operator`, `Type`
[INFO] [stderr]   --> src/parsing.rs:65:82
[INFO] [stderr]    |
[INFO] [stderr] 65 |     Block, Case, CaseMatch, Class, CompositePattern, Cond, CondCase, Expression, Extension, For,
[INFO] [stderr]    |                                                                                  ^^^^^^^^^
[INFO] [stderr] 66 |     Fun, FunModifiers, FunSignature, If, Item, Lambda, LambdaSignature, LambdaValueParameter,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 67 |     MainPackage, Method, Node, Operator, Package, Pattern, PatternGetter, PatternItem, Select,
[INFO] [stderr]    |                          ^^^^  ^^^^^^^^
[INFO] [stderr] 68 |     Switch, Throw, Timeout, Type, TypeParameter, TypeSymbol, ValueParameter,
[INFO] [stderr]    |                             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Extension`, `Fun`, `Node`, `Operator`, `Type`
[INFO] [stderr]   --> src/parsing.rs:65:82
[INFO] [stderr]    |
[INFO] [stderr] 65 |     Block, Case, CaseMatch, Class, CompositePattern, Cond, CondCase, Expression, Extension, For,
[INFO] [stderr]    |                                                                                  ^^^^^^^^^
[INFO] [stderr] 66 |     Fun, FunModifiers, FunSignature, If, Item, Lambda, LambdaSignature, LambdaValueParameter,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 67 |     MainPackage, Method, Node, Operator, Package, Pattern, PatternGetter, PatternItem, Select,
[INFO] [stderr]    |                          ^^^^  ^^^^^^^^
[INFO] [stderr] 68 |     Switch, Throw, Timeout, Type, TypeParameter, TypeSymbol, ValueParameter,
[INFO] [stderr]    |                             ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/parsing.rs:840:13
[INFO] [stderr]     |
[INFO] [stderr] 840 |         let name = self.parse_identifier()?;
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `declaration_modifiers`
[INFO] [stderr]    --> src/parsing.rs:904:13
[INFO] [stderr]     |
[INFO] [stderr] 904 |         let declaration_modifiers = self.parse_modifiers(&self.modifier_sets.binding.clone())?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_declaration_modifiers`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/parsing.rs:840:13
[INFO] [stderr]     |
[INFO] [stderr] 840 |         let name = self.parse_identifier()?;
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `declaration_modifiers`
[INFO] [stderr]    --> src/parsing.rs:904:13
[INFO] [stderr]     |
[INFO] [stderr] 904 |         let declaration_modifiers = self.parse_modifiers(&self.modifier_sets.binding.clone())?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_declaration_modifiers`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FieldSigil`
[INFO] [stderr]    --> src/lexing/tokens.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     FieldSigil,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Item`
[INFO] [stderr]   --> src/parsing/nodes.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     Item(Item),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]   --> src/parsing/nodes.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Expression(Expression),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Final`
[INFO] [stderr]    --> src/parsing/nodes.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     Final(Final),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SymbolLookup`
[INFO] [stderr]    --> src/parsing/nodes.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     SymbolLookup(Symbol),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Using`
[INFO] [stderr]    --> src/parsing/nodes.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     Using(Using),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InfixOperator`
[INFO] [stderr]    --> src/parsing/nodes.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     InfixOperator(OverloadableInfixOperator, Box<Expression>, Box<Expression>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]    --> src/parsing/nodes.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     Call(Call),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IfVar`
[INFO] [stderr]    --> src/parsing/nodes.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     IfVar(IfVar),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `While`
[INFO] [stderr]    --> src/parsing/nodes.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     While(While),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WhileVar`
[INFO] [stderr]    --> src/parsing/nodes.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     WhileVar(WhileVar),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binding`
[INFO] [stderr]    --> src/parsing/nodes.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     Binding(Binding),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type`
[INFO] [stderr]    --> src/parsing/nodes.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     Type(Type),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Package`
[INFO] [stderr]    --> src/parsing/nodes.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     Package(Package),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Enum`
[INFO] [stderr]    --> src/parsing/nodes.rs:290:5
[INFO] [stderr]     |
[INFO] [stderr] 290 |     Enum(Enum),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Interface`
[INFO] [stderr]    --> src/parsing/nodes.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     Interface(Interface),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parsing/nodes.rs:309:5
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub fn new(lookup: Vec<Identifier>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Abstract`
[INFO] [stderr]    --> src/parsing/nodes.rs:359:5
[INFO] [stderr]     |
[INFO] [stderr] 359 |     Abstract(AbstractMethod),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Concrete`
[INFO] [stderr]    --> src/parsing/nodes.rs:360:5
[INFO] [stderr]     |
[INFO] [stderr] 360 |     Concrete(ConcreteMethod),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Symbol`
[INFO] [stderr]    --> src/parsing/nodes.rs:696:5
[INFO] [stderr]     |
[INFO] [stderr] 696 |     Symbol(Symbol),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lexer`
[INFO] [stderr]   --> src/parsing.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     Lexer(lexer::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_void`
[INFO] [stderr]   --> src/parsing.rs:98:4
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn new_void() -> TypeSymbol {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expect_and_read`
[INFO] [stderr]    --> src/parsing.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn expect_and_read(&mut self, expected: Token) -> Result<Token> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `match_nth`
[INFO] [stderr]    --> src/parsing.rs:224:5
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn match_nth(&mut self, n: usize, predicate: impl Fn(Token) -> bool) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_type_argument_list`
[INFO] [stderr]    --> src/parsing.rs:694:5
[INFO] [stderr]     |
[INFO] [stderr] 694 |     fn parse_type_argument_list(&mut self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_binary_operator`
[INFO] [stderr]    --> src/parsing.rs:698:5
[INFO] [stderr]     |
[INFO] [stderr] 698 |     fn parse_binary_operator(&mut self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_interface_body`
[INFO] [stderr]    --> src/parsing.rs:709:5
[INFO] [stderr]     |
[INFO] [stderr] 709 |     fn parse_interface_body(&mut self) -> Result<Vec<Method>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_lambda_result_type_annotation`
[INFO] [stderr]    --> src/parsing.rs:807:5
[INFO] [stderr]     |
[INFO] [stderr] 807 |     fn parse_lambda_result_type_annotation(&mut self) -> Result<Option<TypeSymbol>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_field`
[INFO] [stderr]    --> src/parsing.rs:924:5
[INFO] [stderr]     |
[INFO] [stderr] 924 |     fn parse_field(&mut self) -> Result<nodes::Field> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at_start`
[INFO] [stderr]   --> src/source/in_memory.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn at_start(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `character_position`
[INFO] [stderr]   --> src/source.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn character_position(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FieldSigil`
[INFO] [stderr]    --> src/lexing/tokens.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     FieldSigil,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Item`
[INFO] [stderr]   --> src/parsing/nodes.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     Item(Item),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]   --> src/parsing/nodes.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Expression(Expression),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Final`
[INFO] [stderr]    --> src/parsing/nodes.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     Final(Final),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SymbolLookup`
[INFO] [stderr]    --> src/parsing/nodes.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     SymbolLookup(Symbol),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Using`
[INFO] [stderr]    --> src/parsing/nodes.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     Using(Using),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InfixOperator`
[INFO] [stderr]    --> src/parsing/nodes.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     InfixOperator(OverloadableInfixOperator, Box<Expression>, Box<Expression>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]    --> src/parsing/nodes.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     Call(Call),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IfVar`
[INFO] [stderr]    --> src/parsing/nodes.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     IfVar(IfVar),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `While`
[INFO] [stderr]    --> src/parsing/nodes.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     While(While),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WhileVar`
[INFO] [stderr]    --> src/parsing/nodes.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     WhileVar(WhileVar),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binding`
[INFO] [stderr]    --> src/parsing/nodes.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     Binding(Binding),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type`
[INFO] [stderr]    --> src/parsing/nodes.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     Type(Type),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Package`
[INFO] [stderr]    --> src/parsing/nodes.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 |     Package(Package),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Enum`
[INFO] [stderr]    --> src/parsing/nodes.rs:290:5
[INFO] [stderr]     |
[INFO] [stderr] 290 |     Enum(Enum),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Interface`
[INFO] [stderr]    --> src/parsing/nodes.rs:291:5
[INFO] [stderr]     |
[INFO] [stderr] 291 |     Interface(Interface),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parsing/nodes.rs:309:5
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub fn new(lookup: Vec<Identifier>) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Abstract`
[INFO] [stderr]    --> src/parsing/nodes.rs:359:5
[INFO] [stderr]     |
[INFO] [stderr] 359 |     Abstract(AbstractMethod),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Concrete`
[INFO] [stderr]    --> src/parsing/nodes.rs:360:5
[INFO] [stderr]     |
[INFO] [stderr] 360 |     Concrete(ConcreteMethod),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Symbol`
[INFO] [stderr]    --> src/parsing/nodes.rs:696:5
[INFO] [stderr]     |
[INFO] [stderr] 696 |     Symbol(Symbol),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lexer`
[INFO] [stderr]   --> src/parsing.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     Lexer(lexer::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_void`
[INFO] [stderr]   --> src/parsing.rs:98:4
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn new_void() -> TypeSymbol {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expect_and_read`
[INFO] [stderr]    --> src/parsing.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn expect_and_read(&mut self, expected: Token) -> Result<Token> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `match_nth`
[INFO] [stderr]    --> src/parsing.rs:224:5
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn match_nth(&mut self, n: usize, predicate: impl Fn(Token) -> bool) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_type_argument_list`
[INFO] [stderr]    --> src/parsing.rs:694:5
[INFO] [stderr]     |
[INFO] [stderr] 694 |     fn parse_type_argument_list(&mut self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_binary_operator`
[INFO] [stderr]    --> src/parsing.rs:698:5
[INFO] [stderr]     |
[INFO] [stderr] 698 |     fn parse_binary_operator(&mut self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_interface_body`
[INFO] [stderr]    --> src/parsing.rs:709:5
[INFO] [stderr]     |
[INFO] [stderr] 709 |     fn parse_interface_body(&mut self) -> Result<Vec<Method>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_lambda_result_type_annotation`
[INFO] [stderr]    --> src/parsing.rs:807:5
[INFO] [stderr]     |
[INFO] [stderr] 807 |     fn parse_lambda_result_type_annotation(&mut self) -> Result<Option<TypeSymbol>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_field`
[INFO] [stderr]    --> src/parsing.rs:924:5
[INFO] [stderr]     |
[INFO] [stderr] 924 |     fn parse_field(&mut self) -> Result<nodes::Field> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `at_start`
[INFO] [stderr]   --> src/source/in_memory.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn at_start(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 34 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `"docker" "inspect" "b3257ba281a9889d2ea146ed2cca68d32ada96669e14cd52774e81a8fdfd83a9"`
[INFO] running `"docker" "rm" "-f" "b3257ba281a9889d2ea146ed2cca68d32ada96669e14cd52774e81a8fdfd83a9"`
[INFO] [stdout] b3257ba281a9889d2ea146ed2cca68d32ada96669e14cd52774e81a8fdfd83a9