[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]    c3cc2d5..e5a6bbd  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e5a6bbd21c6b014b5158abc6fe2e2b85ddd76d0d
[INFO] checking LouisJackman/sylan against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLouisJackman%2Fsylan" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LouisJackman/sylan on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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-12/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] cf5af5a355f9ffead64f358d64ffe848cbead3ad64f9b52fdf5fe16db430ff42
[INFO] running `"docker" "start" "-a" "cf5af5a355f9ffead64f358d64ffe848cbead3ad64f9b52fdf5fe16db430ff42"`
[INFO] [stderr]     Checking sylan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]     --> src/parsing.rs:1020:13
[INFO] [stderr]      |
[INFO] [stderr] 1020 |         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:1090:13
[INFO] [stderr]      |
[INFO] [stderr] 1090 |         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:1020:13
[INFO] [stderr]      |
[INFO] [stderr] 1020 |         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:1090:13
[INFO] [stderr]      |
[INFO] [stderr] 1090 |         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: variable does not need to be mutable
[INFO] [stderr]    --> src/parsing.rs:790:13
[INFO] [stderr]     |
[INFO] [stderr] 790 |         let mut arguments = vec![];
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/parsing.rs:790:13
[INFO] [stderr]     |
[INFO] [stderr] 790 |         let mut arguments = vec![];
[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: `Unexpected`
[INFO] [stderr]   --> src/lexing/lexer.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Unexpected(char),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unexpected`
[INFO] [stderr]    --> src/lexing/lexer.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn unexpected<T>(&self, unexpected: char) -> Result<T, Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Item`
[INFO] [stderr]   --> src/parsing/nodes.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Item(Item),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]   --> src/parsing/nodes.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Expression(Expression),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]    --> src/parsing/nodes.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     Var(Binding),
[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: `NonDestructiveUpdate`
[INFO] [stderr]    --> src/parsing/nodes.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     NonDestructiveUpdate(ExpressionCall),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]    --> src/parsing/nodes.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     Call(ExpressionCall),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IfVar`
[INFO] [stderr]    --> src/parsing/nodes.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     IfVar(IfVar),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `While`
[INFO] [stderr]    --> src/parsing/nodes.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     While(While),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WhileVar`
[INFO] [stderr]    --> src/parsing/nodes.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     WhileVar(WhileVar),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binding`
[INFO] [stderr]    --> src/parsing/nodes.rs:250:5
[INFO] [stderr]     |
[INFO] [stderr] 250 |     Binding(Binding),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type`
[INFO] [stderr]    --> src/parsing/nodes.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     Type(Type),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Package`
[INFO] [stderr]    --> src/parsing/nodes.rs:252:5
[INFO] [stderr]     |
[INFO] [stderr] 252 |     Package(Package),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Enum`
[INFO] [stderr]    --> src/parsing/nodes.rs:315:5
[INFO] [stderr]     |
[INFO] [stderr] 315 |     Enum(Enum),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Interface`
[INFO] [stderr]    --> src/parsing/nodes.rs:316:5
[INFO] [stderr]     |
[INFO] [stderr] 316 |     Interface(Interface),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parsing/nodes.rs:334:5
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn new(symbol: Symbol) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Abstract`
[INFO] [stderr]    --> src/parsing/nodes.rs:384:5
[INFO] [stderr]     |
[INFO] [stderr] 384 |     Abstract(AbstractMethod),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Concrete`
[INFO] [stderr]    --> src/parsing/nodes.rs:385:5
[INFO] [stderr]     |
[INFO] [stderr] 385 |     Concrete(ConcreteMethod),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bare`
[INFO] [stderr]    --> src/parsing/nodes.rs:475:5
[INFO] [stderr]     |
[INFO] [stderr] 475 |     Bare(Symbol),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]    --> src/parsing/nodes.rs:476:5
[INFO] [stderr]     |
[INFO] [stderr] 476 |     Call(Call),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InferredEnumVariant`
[INFO] [stderr]    --> src/parsing/nodes.rs:577:5
[INFO] [stderr]     |
[INFO] [stderr] 577 |     InferredEnumVariant(Identifier),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lexer`
[INFO] [stderr]   --> src/parsing.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     Lexer(lexer::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_void`
[INFO] [stderr]    --> src/parsing.rs:100:4
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn new_void() -> TypeReference {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expect_and_read`
[INFO] [stderr]    --> src/parsing.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn expect_and_read(&mut self, expected: Token) -> Result<Token> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_interface_body`
[INFO] [stderr]    --> src/parsing.rs:869:5
[INFO] [stderr]     |
[INFO] [stderr] 869 |     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:988:5
[INFO] [stderr]     |
[INFO] [stderr] 988 |     fn parse_lambda_result_type_annotation(&mut self) -> Result<Option<TypeReference>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_field`
[INFO] [stderr]     --> src/parsing.rs:1110:5
[INFO] [stderr]      |
[INFO] [stderr] 1110 |     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: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unexpected`
[INFO] [stderr]   --> src/lexing/lexer.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     Unexpected(char),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unexpected`
[INFO] [stderr]    --> src/lexing/lexer.rs:159:5
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn unexpected<T>(&self, unexpected: char) -> Result<T, Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Item`
[INFO] [stderr]   --> src/parsing/nodes.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     Item(Item),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]   --> src/parsing/nodes.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Expression(Expression),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]    --> src/parsing/nodes.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     Var(Binding),
[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: `NonDestructiveUpdate`
[INFO] [stderr]    --> src/parsing/nodes.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     NonDestructiveUpdate(ExpressionCall),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]    --> src/parsing/nodes.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     Call(ExpressionCall),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IfVar`
[INFO] [stderr]    --> src/parsing/nodes.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     IfVar(IfVar),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `While`
[INFO] [stderr]    --> src/parsing/nodes.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     While(While),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WhileVar`
[INFO] [stderr]    --> src/parsing/nodes.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     WhileVar(WhileVar),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binding`
[INFO] [stderr]    --> src/parsing/nodes.rs:250:5
[INFO] [stderr]     |
[INFO] [stderr] 250 |     Binding(Binding),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type`
[INFO] [stderr]    --> src/parsing/nodes.rs:251:5
[INFO] [stderr]     |
[INFO] [stderr] 251 |     Type(Type),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Package`
[INFO] [stderr]    --> src/parsing/nodes.rs:252:5
[INFO] [stderr]     |
[INFO] [stderr] 252 |     Package(Package),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Enum`
[INFO] [stderr]    --> src/parsing/nodes.rs:315:5
[INFO] [stderr]     |
[INFO] [stderr] 315 |     Enum(Enum),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Interface`
[INFO] [stderr]    --> src/parsing/nodes.rs:316:5
[INFO] [stderr]     |
[INFO] [stderr] 316 |     Interface(Interface),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/parsing/nodes.rs:334:5
[INFO] [stderr]     |
[INFO] [stderr] 334 |     pub fn new(symbol: Symbol) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Abstract`
[INFO] [stderr]    --> src/parsing/nodes.rs:384:5
[INFO] [stderr]     |
[INFO] [stderr] 384 |     Abstract(AbstractMethod),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Concrete`
[INFO] [stderr]    --> src/parsing/nodes.rs:385:5
[INFO] [stderr]     |
[INFO] [stderr] 385 |     Concrete(ConcreteMethod),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bare`
[INFO] [stderr]    --> src/parsing/nodes.rs:475:5
[INFO] [stderr]     |
[INFO] [stderr] 475 |     Bare(Symbol),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]    --> src/parsing/nodes.rs:476:5
[INFO] [stderr]     |
[INFO] [stderr] 476 |     Call(Call),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InferredEnumVariant`
[INFO] [stderr]    --> src/parsing/nodes.rs:577:5
[INFO] [stderr]     |
[INFO] [stderr] 577 |     InferredEnumVariant(Identifier),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lexer`
[INFO] [stderr]   --> src/parsing.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     Lexer(lexer::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_void`
[INFO] [stderr]    --> src/parsing.rs:100:4
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn new_void() -> TypeReference {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expect_and_read`
[INFO] [stderr]    --> src/parsing.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn expect_and_read(&mut self, expected: Token) -> Result<Token> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_interface_body`
[INFO] [stderr]    --> src/parsing.rs:869:5
[INFO] [stderr]     |
[INFO] [stderr] 869 |     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:988:5
[INFO] [stderr]     |
[INFO] [stderr] 988 |     fn parse_lambda_result_type_annotation(&mut self) -> Result<Option<TypeReference>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_field`
[INFO] [stderr]     --> src/parsing.rs:1110:5
[INFO] [stderr]      |
[INFO] [stderr] 1110 |     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: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `"docker" "inspect" "cf5af5a355f9ffead64f358d64ffe848cbead3ad64f9b52fdf5fe16db430ff42"`
[INFO] running `"docker" "rm" "-f" "cf5af5a355f9ffead64f358d64ffe848cbead3ad64f9b52fdf5fe16db430ff42"`
[INFO] [stdout] cf5af5a355f9ffead64f358d64ffe848cbead3ad64f9b52fdf5fe16db430ff42