[INFO] updating cached repository LouisJackman/sylan
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LouisJackman/sylan
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LouisJackman/sylan" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/LouisJackman/sylan"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/LouisJackman/sylan'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LouisJackman/sylan" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/LouisJackman/sylan"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/LouisJackman/sylan'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5500995f72a9a3d2e98a6a9d51b62f99064f71b9
[INFO] sha for GitHub repo LouisJackman/sylan: 5500995f72a9a3d2e98a6a9d51b62f99064f71b9
[INFO] validating manifest of LouisJackman/sylan on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of LouisJackman/sylan on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing LouisJackman/sylan
[INFO] finished frobbing LouisJackman/sylan
[INFO] frobbed toml for LouisJackman/sylan written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/LouisJackman/sylan/Cargo.toml
[INFO] started frobbing LouisJackman/sylan
[INFO] finished frobbing LouisJackman/sylan
[INFO] frobbed toml for LouisJackman/sylan written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/LouisJackman/sylan/Cargo.toml
[INFO] crate LouisJackman/sylan has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking LouisJackman/sylan against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-5/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/LouisJackman/sylan:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] eeb33f47a39dcb44581d0d8e65a70b064dc4e9e2120a833c5351c5405fc442e6
[INFO] running `"docker" "start" "-a" "eeb33f47a39dcb44581d0d8e65a70b064dc4e9e2120a833c5351c5405fc442e6"`
[INFO] [stderr]     Checking sylan v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/lexing/lexer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Identifier`, `InterpolatedString`, `Shebang`, `SyDoc`
[INFO] [stderr]   --> src/lexing/lexer.rs:12:24
[INFO] [stderr]    |
[INFO] [stderr] 12 | use multiphase::{self, Identifier, InterpolatedString, Shebang, SyDoc, SylanString};
[INFO] [stderr]    |                        ^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `multiphase::Identifier`
[INFO] [stderr]   --> src/lexing/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use multiphase::Identifier;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/lexing/lexer.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]    --> src/lexing/mod.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |     use std::sync::Arc;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expression`
[INFO] [stderr]    --> src/parsing/mod.rs:387:53
[INFO] [stderr]     |
[INFO] [stderr] 387 |     fn reinterpret_expression_as_pattern(&mut self, expression: Expression) -> Result<Pattern> {
[INFO] [stderr]     |                                                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_expression`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unexpected`
[INFO] [stderr]    --> src/parsing/mod.rs:766:25
[INFO] [stderr]     |
[INFO] [stderr] 766 |                         unexpected => {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_unexpected`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `class`
[INFO] [stderr]    --> src/parsing/mod.rs:792:33
[INFO] [stderr]     |
[INFO] [stderr] 792 |                             let class = self.parse_class();
[INFO] [stderr]     |                                 ^^^^^ help: consider prefixing with an underscore: `_class`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expression`
[INFO] [stderr]    --> src/parsing/mod.rs:387:53
[INFO] [stderr]     |
[INFO] [stderr] 387 |     fn reinterpret_expression_as_pattern(&mut self, expression: Expression) -> Result<Pattern> {
[INFO] [stderr]     |                                                     ^^^^^^^^^^ help: consider prefixing with an underscore: `_expression`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unexpected`
[INFO] [stderr]    --> src/parsing/mod.rs:766:25
[INFO] [stderr]     |
[INFO] [stderr] 766 |                         unexpected => {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_unexpected`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `class`
[INFO] [stderr]    --> src/parsing/mod.rs:792:33
[INFO] [stderr]     |
[INFO] [stderr] 792 |                             let class = self.parse_class();
[INFO] [stderr]     |                                 ^^^^^ help: consider prefixing with an underscore: `_class`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unexpected`
[INFO] [stderr]   --> src/lexing/lexer.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     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:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn unexpected(&self, unexpected: char) -> TokenResult {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Item`
[INFO] [stderr]   --> src/parsing/nodes.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub enum Item {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BinaryOperator`
[INFO] [stderr]   --> src/parsing/nodes.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     BinaryOperator(BinaryOperator, Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DoContext`
[INFO] [stderr]   --> src/parsing/nodes.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     DoContext(Box<Expression>, Scope),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Continue`
[INFO] [stderr]   --> src/parsing/nodes.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Continue(Continue),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]   --> src/parsing/nodes.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Call(Call),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PackageLookup`
[INFO] [stderr]   --> src/parsing/nodes.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     PackageLookup(PackageLookup),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Node`
[INFO] [stderr]   --> src/parsing/nodes.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub enum Node {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Imported`
[INFO] [stderr]   --> src/parsing/nodes.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     Imported(Package),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binding`
[INFO] [stderr]   --> src/parsing/nodes.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     Binding(Binding),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type`
[INFO] [stderr]   --> src/parsing/nodes.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     Type(Type),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Package`
[INFO] [stderr]   --> src/parsing/nodes.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     Package(Package),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Class`
[INFO] [stderr]    --> src/parsing/nodes.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     Class(Class),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Interface`
[INFO] [stderr]    --> src/parsing/nodes.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     Interface(Interface),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `New`
[INFO] [stderr]    --> src/parsing/nodes.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     New(NewType),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assignment`
[INFO] [stderr]    --> src/parsing/nodes.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     Assignment(TypeAssignment),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Concrete`
[INFO] [stderr]    --> src/parsing/nodes.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     Concrete(ConcreteMethod),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Abstract`
[INFO] [stderr]    --> src/parsing/nodes.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     Abstract(AbstractMethod),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Concrete`
[INFO] [stderr]    --> src/parsing/nodes.rs:188:5
[INFO] [stderr]     |
[INFO] [stderr] 188 |     Concrete(ConcreteGetter),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Abstract`
[INFO] [stderr]    --> src/parsing/nodes.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     Abstract,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ValueArgument`
[INFO] [stderr]    --> src/parsing/nodes.rs:232:1
[INFO] [stderr]     |
[INFO] [stderr] 232 | type ValueArgument = Argument<Expression>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TypeArguments`
[INFO] [stderr]    --> src/parsing/nodes.rs:233:1
[INFO] [stderr]     |
[INFO] [stderr] 233 | type TypeArguments = Argument<Type>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_root`
[INFO] [stderr]    --> src/parsing/nodes.rs:337:5
[INFO] [stderr]     |
[INFO] [stderr] 337 |     pub fn new_root() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]    --> src/parsing/nodes.rs:412:5
[INFO] [stderr]     |
[INFO] [stderr] 412 |     Add,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]    --> src/parsing/nodes.rs:413:5
[INFO] [stderr]     |
[INFO] [stderr] 413 |     And,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitwiseAnd`
[INFO] [stderr]    --> src/parsing/nodes.rs:414:5
[INFO] [stderr]     |
[INFO] [stderr] 414 |     BitwiseAnd,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitwiseOr`
[INFO] [stderr]    --> src/parsing/nodes.rs:415:5
[INFO] [stderr]     |
[INFO] [stderr] 415 |     BitwiseOr,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Compose`
[INFO] [stderr]    --> src/parsing/nodes.rs:416:5
[INFO] [stderr]     |
[INFO] [stderr] 416 |     Compose,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]    --> src/parsing/nodes.rs:417:5
[INFO] [stderr]     |
[INFO] [stderr] 417 |     Divide,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dot`
[INFO] [stderr]    --> src/parsing/nodes.rs:418:5
[INFO] [stderr]     |
[INFO] [stderr] 418 |     Dot,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equals`
[INFO] [stderr]    --> src/parsing/nodes.rs:419:5
[INFO] [stderr]     |
[INFO] [stderr] 419 |     Equals,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThan`
[INFO] [stderr]    --> src/parsing/nodes.rs:420:5
[INFO] [stderr]     |
[INFO] [stderr] 420 |     GreaterThan,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThanOrEquals`
[INFO] [stderr]    --> src/parsing/nodes.rs:421:5
[INFO] [stderr]     |
[INFO] [stderr] 421 |     GreaterThanOrEquals,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThan`
[INFO] [stderr]    --> src/parsing/nodes.rs:422:5
[INFO] [stderr]     |
[INFO] [stderr] 422 |     LessThan,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThenOrEquals`
[INFO] [stderr]    --> src/parsing/nodes.rs:423:5
[INFO] [stderr]     |
[INFO] [stderr] 423 |     LessThenOrEquals,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Modulo`
[INFO] [stderr]    --> src/parsing/nodes.rs:424:5
[INFO] [stderr]     |
[INFO] [stderr] 424 |     Modulo,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Multiply`
[INFO] [stderr]    --> src/parsing/nodes.rs:425:5
[INFO] [stderr]     |
[INFO] [stderr] 425 |     Multiply,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotEquals`
[INFO] [stderr]    --> src/parsing/nodes.rs:426:5
[INFO] [stderr]     |
[INFO] [stderr] 426 |     NotEquals,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Or`
[INFO] [stderr]    --> src/parsing/nodes.rs:427:5
[INFO] [stderr]     |
[INFO] [stderr] 427 |     Or,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pipe`
[INFO] [stderr]    --> src/parsing/nodes.rs:428:5
[INFO] [stderr]     |
[INFO] [stderr] 428 |     Pipe,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ShiftLeft`
[INFO] [stderr]    --> src/parsing/nodes.rs:429:5
[INFO] [stderr]     |
[INFO] [stderr] 429 |     ShiftLeft,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ShiftRight`
[INFO] [stderr]    --> src/parsing/nodes.rs:430:5
[INFO] [stderr]     |
[INFO] [stderr] 430 |     ShiftRight,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Subtract`
[INFO] [stderr]    --> src/parsing/nodes.rs:431:5
[INFO] [stderr]     |
[INFO] [stderr] 431 |     Subtract,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lexer`
[INFO] [stderr]   --> src/parsing/mod.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Lexer(lexer::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expect_and_read`
[INFO] [stderr]   --> src/parsing/mod.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn expect_and_read(&mut self, expected: Token) -> Result<Token> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_class_body`
[INFO] [stderr]    --> src/parsing/mod.rs:684:5
[INFO] [stderr]     |
[INFO] [stderr] 684 |     fn parse_class_body(&mut self) -> Result<nodes::TypeSpecification> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_interface_body`
[INFO] [stderr]    --> src/parsing/mod.rs:688:5
[INFO] [stderr]     |
[INFO] [stderr] 688 |     fn parse_interface_body(&mut self) -> Result<nodes::TypeSpecification> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_expression_grouping`
[INFO] [stderr]    --> src/parsing/mod.rs:722:5
[INFO] [stderr]     |
[INFO] [stderr] 722 |     fn parse_expression_grouping(&mut self) -> Result<nodes::Expression> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:742:29
[INFO] [stderr]     |
[INFO] [stderr] 742 |                             self.parse_class();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:746:29
[INFO] [stderr]     |
[INFO] [stderr] 746 |                             self.parse_extends();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:750:29
[INFO] [stderr]     |
[INFO] [stderr] 750 |                             self.parse_import();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:754:29
[INFO] [stderr]     |
[INFO] [stderr] 754 |                             self.parse_interface();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:758:29
[INFO] [stderr]     |
[INFO] [stderr] 758 |                             self.parse_package_definition();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:762:29
[INFO] [stderr]     |
[INFO] [stderr] 762 |                             self.parse_binding();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:796:29
[INFO] [stderr]     |
[INFO] [stderr] 796 |                             self.parse_extends();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:800:29
[INFO] [stderr]     |
[INFO] [stderr] 800 |                             self.parse_import();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:804:29
[INFO] [stderr]     |
[INFO] [stderr] 804 |                             self.parse_interface();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:808:29
[INFO] [stderr]     |
[INFO] [stderr] 808 |                             self.parse_package_definition();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:812:29
[INFO] [stderr]     |
[INFO] [stderr] 812 |                             self.parse_binding();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:819:29
[INFO] [stderr]     |
[INFO] [stderr] 819 |                             self.parse_expression();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:902:9
[INFO] [stderr]     |
[INFO] [stderr] 902 |         self.tokens.join_lexer_thread();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unexpected`
[INFO] [stderr]   --> src/lexing/lexer.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     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:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn unexpected(&self, unexpected: char) -> TokenResult {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Item`
[INFO] [stderr]   --> src/parsing/nodes.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub enum Item {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BinaryOperator`
[INFO] [stderr]   --> src/parsing/nodes.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     BinaryOperator(BinaryOperator, Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DoContext`
[INFO] [stderr]   --> src/parsing/nodes.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     DoContext(Box<Expression>, Scope),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Continue`
[INFO] [stderr]   --> src/parsing/nodes.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     Continue(Continue),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]   --> src/parsing/nodes.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     Call(Call),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PackageLookup`
[INFO] [stderr]   --> src/parsing/nodes.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     PackageLookup(PackageLookup),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Node`
[INFO] [stderr]   --> src/parsing/nodes.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub enum Node {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Imported`
[INFO] [stderr]   --> src/parsing/nodes.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     Imported(Package),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binding`
[INFO] [stderr]   --> src/parsing/nodes.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     Binding(Binding),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Type`
[INFO] [stderr]   --> src/parsing/nodes.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     Type(Type),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Package`
[INFO] [stderr]   --> src/parsing/nodes.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     Package(Package),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Class`
[INFO] [stderr]    --> src/parsing/nodes.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     Class(Class),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Interface`
[INFO] [stderr]    --> src/parsing/nodes.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     Interface(Interface),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `New`
[INFO] [stderr]    --> src/parsing/nodes.rs:147:5
[INFO] [stderr]     |
[INFO] [stderr] 147 |     New(NewType),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assignment`
[INFO] [stderr]    --> src/parsing/nodes.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     Assignment(TypeAssignment),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Concrete`
[INFO] [stderr]    --> src/parsing/nodes.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     Concrete(ConcreteMethod),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Abstract`
[INFO] [stderr]    --> src/parsing/nodes.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     Abstract(AbstractMethod),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Concrete`
[INFO] [stderr]    --> src/parsing/nodes.rs:188:5
[INFO] [stderr]     |
[INFO] [stderr] 188 |     Concrete(ConcreteGetter),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Abstract`
[INFO] [stderr]    --> src/parsing/nodes.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     Abstract,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `ValueArgument`
[INFO] [stderr]    --> src/parsing/nodes.rs:232:1
[INFO] [stderr]     |
[INFO] [stderr] 232 | type ValueArgument = Argument<Expression>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `TypeArguments`
[INFO] [stderr]    --> src/parsing/nodes.rs:233:1
[INFO] [stderr]     |
[INFO] [stderr] 233 | type TypeArguments = Argument<Type>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_root`
[INFO] [stderr]    --> src/parsing/nodes.rs:337:5
[INFO] [stderr]     |
[INFO] [stderr] 337 |     pub fn new_root() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]    --> src/parsing/nodes.rs:412:5
[INFO] [stderr]     |
[INFO] [stderr] 412 |     Add,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]    --> src/parsing/nodes.rs:413:5
[INFO] [stderr]     |
[INFO] [stderr] 413 |     And,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitwiseAnd`
[INFO] [stderr]    --> src/parsing/nodes.rs:414:5
[INFO] [stderr]     |
[INFO] [stderr] 414 |     BitwiseAnd,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BitwiseOr`
[INFO] [stderr]    --> src/parsing/nodes.rs:415:5
[INFO] [stderr]     |
[INFO] [stderr] 415 |     BitwiseOr,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Compose`
[INFO] [stderr]    --> src/parsing/nodes.rs:416:5
[INFO] [stderr]     |
[INFO] [stderr] 416 |     Compose,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]    --> src/parsing/nodes.rs:417:5
[INFO] [stderr]     |
[INFO] [stderr] 417 |     Divide,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dot`
[INFO] [stderr]    --> src/parsing/nodes.rs:418:5
[INFO] [stderr]     |
[INFO] [stderr] 418 |     Dot,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equals`
[INFO] [stderr]    --> src/parsing/nodes.rs:419:5
[INFO] [stderr]     |
[INFO] [stderr] 419 |     Equals,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThan`
[INFO] [stderr]    --> src/parsing/nodes.rs:420:5
[INFO] [stderr]     |
[INFO] [stderr] 420 |     GreaterThan,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GreaterThanOrEquals`
[INFO] [stderr]    --> src/parsing/nodes.rs:421:5
[INFO] [stderr]     |
[INFO] [stderr] 421 |     GreaterThanOrEquals,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThan`
[INFO] [stderr]    --> src/parsing/nodes.rs:422:5
[INFO] [stderr]     |
[INFO] [stderr] 422 |     LessThan,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LessThenOrEquals`
[INFO] [stderr]    --> src/parsing/nodes.rs:423:5
[INFO] [stderr]     |
[INFO] [stderr] 423 |     LessThenOrEquals,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Modulo`
[INFO] [stderr]    --> src/parsing/nodes.rs:424:5
[INFO] [stderr]     |
[INFO] [stderr] 424 |     Modulo,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Multiply`
[INFO] [stderr]    --> src/parsing/nodes.rs:425:5
[INFO] [stderr]     |
[INFO] [stderr] 425 |     Multiply,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotEquals`
[INFO] [stderr]    --> src/parsing/nodes.rs:426:5
[INFO] [stderr]     |
[INFO] [stderr] 426 |     NotEquals,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Or`
[INFO] [stderr]    --> src/parsing/nodes.rs:427:5
[INFO] [stderr]     |
[INFO] [stderr] 427 |     Or,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pipe`
[INFO] [stderr]    --> src/parsing/nodes.rs:428:5
[INFO] [stderr]     |
[INFO] [stderr] 428 |     Pipe,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ShiftLeft`
[INFO] [stderr]    --> src/parsing/nodes.rs:429:5
[INFO] [stderr]     |
[INFO] [stderr] 429 |     ShiftLeft,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ShiftRight`
[INFO] [stderr]    --> src/parsing/nodes.rs:430:5
[INFO] [stderr]     |
[INFO] [stderr] 430 |     ShiftRight,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Subtract`
[INFO] [stderr]    --> src/parsing/nodes.rs:431:5
[INFO] [stderr]     |
[INFO] [stderr] 431 |     Subtract,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lexer`
[INFO] [stderr]   --> src/parsing/mod.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Lexer(lexer::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `expect_and_read`
[INFO] [stderr]   --> src/parsing/mod.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn expect_and_read(&mut self, expected: Token) -> Result<Token> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_class_body`
[INFO] [stderr]    --> src/parsing/mod.rs:684:5
[INFO] [stderr]     |
[INFO] [stderr] 684 |     fn parse_class_body(&mut self) -> Result<nodes::TypeSpecification> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_interface_body`
[INFO] [stderr]    --> src/parsing/mod.rs:688:5
[INFO] [stderr]     |
[INFO] [stderr] 688 |     fn parse_interface_body(&mut self) -> Result<nodes::TypeSpecification> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_expression_grouping`
[INFO] [stderr]    --> src/parsing/mod.rs:722:5
[INFO] [stderr]     |
[INFO] [stderr] 722 |     fn parse_expression_grouping(&mut self) -> Result<nodes::Expression> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:742:29
[INFO] [stderr]     |
[INFO] [stderr] 742 |                             self.parse_class();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:746:29
[INFO] [stderr]     |
[INFO] [stderr] 746 |                             self.parse_extends();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:750:29
[INFO] [stderr]     |
[INFO] [stderr] 750 |                             self.parse_import();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:754:29
[INFO] [stderr]     |
[INFO] [stderr] 754 |                             self.parse_interface();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:758:29
[INFO] [stderr]     |
[INFO] [stderr] 758 |                             self.parse_package_definition();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:762:29
[INFO] [stderr]     |
[INFO] [stderr] 762 |                             self.parse_binding();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:796:29
[INFO] [stderr]     |
[INFO] [stderr] 796 |                             self.parse_extends();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:800:29
[INFO] [stderr]     |
[INFO] [stderr] 800 |                             self.parse_import();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:804:29
[INFO] [stderr]     |
[INFO] [stderr] 804 |                             self.parse_interface();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:808:29
[INFO] [stderr]     |
[INFO] [stderr] 808 |                             self.parse_package_definition();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:812:29
[INFO] [stderr]     |
[INFO] [stderr] 812 |                             self.parse_binding();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:819:29
[INFO] [stderr]     |
[INFO] [stderr] 819 |                             self.parse_expression();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parsing/mod.rs:902:9
[INFO] [stderr]     |
[INFO] [stderr] 902 |         self.tokens.join_lexer_thread();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `"docker" "inspect" "eeb33f47a39dcb44581d0d8e65a70b064dc4e9e2120a833c5351c5405fc442e6"`
[INFO] running `"docker" "rm" "-f" "eeb33f47a39dcb44581d0d8e65a70b064dc4e9e2120a833c5351c5405fc442e6"`
[INFO] [stdout] eeb33f47a39dcb44581d0d8e65a70b064dc4e9e2120a833c5351c5405fc442e6