[INFO] fetching crate parse-js 0.24.1...
[INFO] testing parse-js-0.24.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate parse-js 0.24.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate parse-js 0.24.1
[INFO] finished tweaking crates.io crate parse-js 0.24.1
[INFO] tweaked toml for crates.io crate parse-js 0.24.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate parse-js 0.24.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding similar v2.7.0 (available: v3.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80e56cc928947d3f40e1070c05a1c1e03dadff7f4859bb54cfe7acdff489cdfc
[INFO] running `Command { std: "docker" "start" "-a" "80e56cc928947d3f40e1070c05a1c1e03dadff7f4859bb54cfe7acdff489cdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80e56cc928947d3f40e1070c05a1c1e03dadff7f4859bb54cfe7acdff489cdfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e56cc928947d3f40e1070c05a1c1e03dadff7f4859bb54cfe7acdff489cdfc", kill_on_drop: false }`
[INFO] [stdout] 80e56cc928947d3f40e1070c05a1c1e03dadff7f4859bb54cfe7acdff489cdfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24bfc36deb4479069fb3e3f549ab64a7afcb88075b58ff0004044fc0ad4deade
[INFO] running `Command { std: "docker" "start" "-a" "24bfc36deb4479069fb3e3f549ab64a7afcb88075b58ff0004044fc0ad4deade", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling parse-js v0.24.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/expr.rs:248:36
[INFO] [stdout]     |
[INFO] [stdout] 248 |   pub fn parse_jsx_name(&mut self, ctx: ParseCtx) -> SyntaxResult<Node> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/expr.rs:264:40
[INFO] [stdout]     |
[INFO] [stdout] 264 |   pub fn parse_jsx_tag_name(&mut self, ctx: ParseCtx) -> SyntaxResult<Option<Node>> {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/literal.rs:140:56
[INFO] [stdout]     |
[INFO] [stdout] 140 |   pub fn parse_and_normalise_literal_string(&mut self, ctx: ParseCtx) -> SyntaxResult<String> {
[INFO] [stdout]     |                                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `direct_key_name`
[INFO] [stdout]    --> src/parse/pattern.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 118 |           let direct_key_name = match &key {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direct_key_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/parse/stmt.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |   fn parse_import_or_export_name(&mut self, ctx: ParseCtx) -> SyntaxResult<ExportName> {
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/stmt.rs:102:38
[INFO] [stdout]     |
[INFO] [stdout] 102 |   pub fn parse_stmt_empty(&mut self, ctx: ParseCtx) -> SyntaxResult<Node> {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/stmt.rs:151:41
[INFO] [stdout]     |
[INFO] [stdout] 151 |   pub fn parse_stmt_debugger(&mut self, ctx: ParseCtx) -> SyntaxResult<Node> {
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/visit.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn on_syntax_down(&mut self, node: &Node, ctl: &mut JourneyControls) {}
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctl`
[INFO] [stdout]   --> src/visit.rs:24:45
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn on_syntax_down(&mut self, node: &Node, ctl: &mut JourneyControls) {}
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/visit.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn on_syntax_up(&mut self, node: &Node) {}
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/visit.rs:473:32
[INFO] [stdout]     |
[INFO] [stdout] 473 |   fn on_syntax_down(&mut self, node: &mut Node, ctl: &mut JourneyControls) {}
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctl`
[INFO] [stdout]    --> src/visit.rs:473:49
[INFO] [stdout]     |
[INFO] [stdout] 473 |   fn on_syntax_down(&mut self, node: &mut Node, ctl: &mut JourneyControls) {}
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/visit.rs:475:30
[INFO] [stdout]     |
[INFO] [stdout] 475 |   fn on_syntax_up(&mut self, node: &mut Node) {}
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `through_char` and `while_not_char` are never used
[INFO] [stdout]    --> src/lex/mod.rs:152:6
[INFO] [stdout]     |
[INFO] [stdout]  77 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |   fn through_char(&self, c: u8) -> SyntaxResult<Match> {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |   fn while_not_char(&self, a: u8) -> Match {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/lex/tests/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn check(code: &str, expecteds: &[TokenType], expected_err: Option<SyntaxErrorType>) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/num.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |       unsafe { mem::transmute::<f64, u64>(self.0) }.hash(state);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 42 -       unsafe { mem::transmute::<f64, u64>(self.0) }.hash(state);
[INFO] [stdout] 42 +       unsafe { f64::to_bits(self.0) }.hash(state);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `MaybeToken` that must be used
[INFO] [stdout]   --> src/parse/class_or_object.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 |       self.consume_if(TokenType::Semicolon)?;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |       let _ = self.consume_if(TokenType::Semicolon)?;
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `MaybeToken` that must be used
[INFO] [stdout]    --> src/parse/stmt.rs:582:5
[INFO] [stdout]     |
[INFO] [stdout] 582 |     self.consume_if(TokenType::Semicolon)?;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 582 |     let _ = self.consume_if(TokenType::Semicolon)?;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/visit.rs:273:21
[INFO] [stdout]     |
[INFO] [stdout] 273 |         for name in names {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 273 -         for name in names {
[INFO] [stdout] 273 +         while let Some(name) = names {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 273 -         for name in names {
[INFO] [stdout] 273 +         if let Some(name) = names {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/visit.rs:730:21
[INFO] [stdout]     |
[INFO] [stdout] 730 |         for name in names {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 730 -         for name in names {
[INFO] [stdout] 730 +         while let Some(name) = names {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 730 -         for name in names {
[INFO] [stdout] 730 +         if let Some(name) = names {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `Command { std: "docker" "inspect" "24bfc36deb4479069fb3e3f549ab64a7afcb88075b58ff0004044fc0ad4deade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24bfc36deb4479069fb3e3f549ab64a7afcb88075b58ff0004044fc0ad4deade", kill_on_drop: false }`
[INFO] [stdout] 24bfc36deb4479069fb3e3f549ab64a7afcb88075b58ff0004044fc0ad4deade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 868dec77ced062d208dee8ef1c191f077d878c93f867fe90fd622d9dd21a63e8
[INFO] running `Command { std: "docker" "start" "-a" "868dec77ced062d208dee8ef1c191f077d878c93f867fe90fd622d9dd21a63e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/expr.rs:248:36
[INFO] [stdout]     |
[INFO] [stdout] 248 |   pub fn parse_jsx_name(&mut self, ctx: ParseCtx) -> SyntaxResult<Node> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/expr.rs:264:40
[INFO] [stdout]     |
[INFO] [stdout] 264 |   pub fn parse_jsx_tag_name(&mut self, ctx: ParseCtx) -> SyntaxResult<Option<Node>> {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/literal.rs:140:56
[INFO] [stdout]     |
[INFO] [stdout] 140 |   pub fn parse_and_normalise_literal_string(&mut self, ctx: ParseCtx) -> SyntaxResult<String> {
[INFO] [stdout]     |                                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `direct_key_name`
[INFO] [stdout]    --> src/parse/pattern.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 118 |           let direct_key_name = match &key {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direct_key_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/parse/stmt.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |   fn parse_import_or_export_name(&mut self, ctx: ParseCtx) -> SyntaxResult<ExportName> {
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/stmt.rs:102:38
[INFO] [stdout]     |
[INFO] [stdout] 102 |   pub fn parse_stmt_empty(&mut self, ctx: ParseCtx) -> SyntaxResult<Node> {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/stmt.rs:151:41
[INFO] [stdout]     |
[INFO] [stdout] 151 |   pub fn parse_stmt_debugger(&mut self, ctx: ParseCtx) -> SyntaxResult<Node> {
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/visit.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn on_syntax_down(&mut self, node: &Node, ctl: &mut JourneyControls) {}
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctl`
[INFO] [stdout]   --> src/visit.rs:24:45
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn on_syntax_down(&mut self, node: &Node, ctl: &mut JourneyControls) {}
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/visit.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn on_syntax_up(&mut self, node: &Node) {}
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/visit.rs:473:32
[INFO] [stdout]     |
[INFO] [stdout] 473 |   fn on_syntax_down(&mut self, node: &mut Node, ctl: &mut JourneyControls) {}
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctl`
[INFO] [stdout]    --> src/visit.rs:473:49
[INFO] [stdout]     |
[INFO] [stdout] 473 |   fn on_syntax_down(&mut self, node: &mut Node, ctl: &mut JourneyControls) {}
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/visit.rs:475:30
[INFO] [stdout]     |
[INFO] [stdout] 475 |   fn on_syntax_up(&mut self, node: &mut Node) {}
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `through_char` and `while_not_char` are never used
[INFO] [stdout]    --> src/lex/mod.rs:152:6
[INFO] [stdout]     |
[INFO] [stdout]  77 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |   fn through_char(&self, c: u8) -> SyntaxResult<Match> {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |   fn while_not_char(&self, a: u8) -> Match {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/lex/tests/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn check(code: &str, expecteds: &[TokenType], expected_err: Option<SyntaxErrorType>) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/num.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |       unsafe { mem::transmute::<f64, u64>(self.0) }.hash(state);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 42 -       unsafe { mem::transmute::<f64, u64>(self.0) }.hash(state);
[INFO] [stdout] 42 +       unsafe { f64::to_bits(self.0) }.hash(state);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `MaybeToken` that must be used
[INFO] [stdout]   --> src/parse/class_or_object.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 |       self.consume_if(TokenType::Semicolon)?;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |       let _ = self.consume_if(TokenType::Semicolon)?;
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `MaybeToken` that must be used
[INFO] [stdout]    --> src/parse/stmt.rs:582:5
[INFO] [stdout]     |
[INFO] [stdout] 582 |     self.consume_if(TokenType::Semicolon)?;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 582 |     let _ = self.consume_if(TokenType::Semicolon)?;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/visit.rs:273:21
[INFO] [stdout]     |
[INFO] [stdout] 273 |         for name in names {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 273 -         for name in names {
[INFO] [stdout] 273 +         while let Some(name) = names {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 273 -         for name in names {
[INFO] [stdout] 273 +         if let Some(name) = names {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/visit.rs:730:21
[INFO] [stdout]     |
[INFO] [stdout] 730 |         for name in names {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 730 -         for name in names {
[INFO] [stdout] 730 +         while let Some(name) = names {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 730 -         for name in names {
[INFO] [stdout] 730 +         if let Some(name) = names {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parse-js v0.24.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/expr.rs:248:36
[INFO] [stdout]     |
[INFO] [stdout] 248 |   pub fn parse_jsx_name(&mut self, ctx: ParseCtx) -> SyntaxResult<Node> {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/expr.rs:264:40
[INFO] [stdout]     |
[INFO] [stdout] 264 |   pub fn parse_jsx_tag_name(&mut self, ctx: ParseCtx) -> SyntaxResult<Option<Node>> {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/literal.rs:140:56
[INFO] [stdout]     |
[INFO] [stdout] 140 |   pub fn parse_and_normalise_literal_string(&mut self, ctx: ParseCtx) -> SyntaxResult<String> {
[INFO] [stdout]     |                                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `direct_key_name`
[INFO] [stdout]    --> src/parse/pattern.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 118 |           let direct_key_name = match &key {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direct_key_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/parse/stmt.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |   fn parse_import_or_export_name(&mut self, ctx: ParseCtx) -> SyntaxResult<ExportName> {
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/stmt.rs:102:38
[INFO] [stdout]     |
[INFO] [stdout] 102 |   pub fn parse_stmt_empty(&mut self, ctx: ParseCtx) -> SyntaxResult<Node> {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/parse/stmt.rs:151:41
[INFO] [stdout]     |
[INFO] [stdout] 151 |   pub fn parse_stmt_debugger(&mut self, ctx: ParseCtx) -> SyntaxResult<Node> {
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/visit.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn on_syntax_down(&mut self, node: &Node, ctl: &mut JourneyControls) {}
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctl`
[INFO] [stdout]   --> src/visit.rs:24:45
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn on_syntax_down(&mut self, node: &Node, ctl: &mut JourneyControls) {}
[INFO] [stdout]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/visit.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |   fn on_syntax_up(&mut self, node: &Node) {}
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/visit.rs:473:32
[INFO] [stdout]     |
[INFO] [stdout] 473 |   fn on_syntax_down(&mut self, node: &mut Node, ctl: &mut JourneyControls) {}
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctl`
[INFO] [stdout]    --> src/visit.rs:473:49
[INFO] [stdout]     |
[INFO] [stdout] 473 |   fn on_syntax_down(&mut self, node: &mut Node, ctl: &mut JourneyControls) {}
[INFO] [stdout]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/visit.rs:475:30
[INFO] [stdout]     |
[INFO] [stdout] 475 |   fn on_syntax_up(&mut self, node: &mut Node) {}
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `through_char` and `while_not_char` are never used
[INFO] [stdout]    --> src/lex/mod.rs:152:6
[INFO] [stdout]     |
[INFO] [stdout]  77 | impl<'a> Lexer<'a> {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |   fn through_char(&self, c: u8) -> SyntaxResult<Match> {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |   fn while_not_char(&self, a: u8) -> Match {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/num.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |       unsafe { mem::transmute::<f64, u64>(self.0) }.hash(state);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 42 -       unsafe { mem::transmute::<f64, u64>(self.0) }.hash(state);
[INFO] [stdout] 42 +       unsafe { f64::to_bits(self.0) }.hash(state);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `MaybeToken` that must be used
[INFO] [stdout]   --> src/parse/class_or_object.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 |       self.consume_if(TokenType::Semicolon)?;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |       let _ = self.consume_if(TokenType::Semicolon)?;
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `MaybeToken` that must be used
[INFO] [stdout]    --> src/parse/stmt.rs:582:5
[INFO] [stdout]     |
[INFO] [stdout] 582 |     self.consume_if(TokenType::Semicolon)?;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 582 |     let _ = self.consume_if(TokenType::Semicolon)?;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/visit.rs:273:21
[INFO] [stdout]     |
[INFO] [stdout] 273 |         for name in names {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 273 -         for name in names {
[INFO] [stdout] 273 +         while let Some(name) = names {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 273 -         for name in names {
[INFO] [stdout] 273 +         if let Some(name) = names {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/visit.rs:730:21
[INFO] [stdout]     |
[INFO] [stdout] 730 |         for name in names {
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 730 -         for name in names {
[INFO] [stdout] 730 +         while let Some(name) = names {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 730 -         for name in names {
[INFO] [stdout] 730 +         if let Some(name) = names {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "868dec77ced062d208dee8ef1c191f077d878c93f867fe90fd622d9dd21a63e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868dec77ced062d208dee8ef1c191f077d878c93f867fe90fd622d9dd21a63e8", kill_on_drop: false }`
[INFO] [stdout] 868dec77ced062d208dee8ef1c191f077d878c93f867fe90fd622d9dd21a63e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66106070b9bc9c3fead8ea203d57d751a2b133ac763a1e2890c3b76fc598232c
[INFO] running `Command { std: "docker" "start" "-a" "66106070b9bc9c3fead8ea203d57d751a2b133ac763a1e2890c3b76fc598232c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/parse/expr.rs:248:36
[INFO] [stderr]     |
[INFO] [stderr] 248 |   pub fn parse_jsx_name(&mut self, ctx: ParseCtx) -> SyntaxResult<Node> {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/parse/expr.rs:264:40
[INFO] [stderr]     |
[INFO] [stderr] 264 |   pub fn parse_jsx_tag_name(&mut self, ctx: ParseCtx) -> SyntaxResult<Option<Node>> {
[INFO] [stderr]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/parse/literal.rs:140:56
[INFO] [stderr]     |
[INFO] [stderr] 140 |   pub fn parse_and_normalise_literal_string(&mut self, ctx: ParseCtx) -> SyntaxResult<String> {
[INFO] [stderr]     |                                                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `direct_key_name`
[INFO] [stderr]    --> src/parse/pattern.rs:118:15
[INFO] [stderr]     |
[INFO] [stderr] 118 |           let direct_key_name = match &key {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direct_key_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/parse/stmt.rs:23:45
[INFO] [stderr]    |
[INFO] [stderr] 23 |   fn parse_import_or_export_name(&mut self, ctx: ParseCtx) -> SyntaxResult<ExportName> {
[INFO] [stderr]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/parse/stmt.rs:102:38
[INFO] [stderr]     |
[INFO] [stderr] 102 |   pub fn parse_stmt_empty(&mut self, ctx: ParseCtx) -> SyntaxResult<Node> {
[INFO] [stderr]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/parse/stmt.rs:151:41
[INFO] [stderr]     |
[INFO] [stderr] 151 |   pub fn parse_stmt_debugger(&mut self, ctx: ParseCtx) -> SyntaxResult<Node> {
[INFO] [stderr]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]   --> src/visit.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |   fn on_syntax_down(&mut self, node: &Node, ctl: &mut JourneyControls) {}
[INFO] [stderr]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctl`
[INFO] [stderr]   --> src/visit.rs:24:45
[INFO] [stderr]    |
[INFO] [stderr] 24 |   fn on_syntax_down(&mut self, node: &Node, ctl: &mut JourneyControls) {}
[INFO] [stderr]    |                                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]   --> src/visit.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 |   fn on_syntax_up(&mut self, node: &Node) {}
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/visit.rs:473:32
[INFO] [stderr]     |
[INFO] [stderr] 473 |   fn on_syntax_down(&mut self, node: &mut Node, ctl: &mut JourneyControls) {}
[INFO] [stderr]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctl`
[INFO] [stderr]    --> src/visit.rs:473:49
[INFO] [stderr]     |
[INFO] [stderr] 473 |   fn on_syntax_down(&mut self, node: &mut Node, ctl: &mut JourneyControls) {}
[INFO] [stderr]     |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/visit.rs:475:30
[INFO] [stderr]     |
[INFO] [stderr] 475 |   fn on_syntax_up(&mut self, node: &mut Node) {}
[INFO] [stderr]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `through_char` and `while_not_char` are never used
[INFO] [stderr]    --> src/lex/mod.rs:152:6
[INFO] [stderr]     |
[INFO] [stderr]  77 | impl<'a> Lexer<'a> {
[INFO] [stderr]     | ------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 152 |   fn through_char(&self, c: u8) -> SyntaxResult<Match> {
[INFO] [stderr]     |      ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 158 |   fn while_not_char(&self, a: u8) -> Match {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `check` is never used
[INFO] [stderr]  --> src/lex/tests/mod.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn check(code: &str, expecteds: &[TokenType], expected_err: Option<SyntaxErrorType>) {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]   --> src/num.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 42 |       unsafe { mem::transmute::<f64, u64>(self.0) }.hash(state);
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] help: replace this with
[INFO] [stderr]    |
[INFO] [stderr] 42 -       unsafe { mem::transmute::<f64, u64>(self.0) }.hash(state);
[INFO] [stderr] 42 +       unsafe { f64::to_bits(self.0) }.hash(state);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `MaybeToken` that must be used
[INFO] [stderr]   --> src/parse/class_or_object.rs:45:7
[INFO] [stderr]    |
[INFO] [stderr] 45 |       self.consume_if(TokenType::Semicolon)?;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 45 |       let _ = self.consume_if(TokenType::Semicolon)?;
[INFO] [stderr]    |       +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `MaybeToken` that must be used
[INFO] [stderr]    --> src/parse/stmt.rs:582:5
[INFO] [stderr]     |
[INFO] [stderr] 582 |     self.consume_if(TokenType::Semicolon)?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 582 |     let _ = self.consume_if(TokenType::Semicolon)?;
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/visit.rs:273:21
[INFO] [stderr]     |
[INFO] [stderr] 273 |         for name in names {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 273 -         for name in names {
[INFO] [stderr] 273 +         while let Some(name) = names {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 273 -         for name in names {
[INFO] [stderr] 273 +         if let Some(name) = names {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&mut Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/visit.rs:730:21
[INFO] [stderr]     |
[INFO] [stderr] 730 |         for name in names {
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 730 -         for name in names {
[INFO] [stderr] 730 +         while let Some(name) = names {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 730 -         for name in names {
[INFO] [stderr] 730 +         if let Some(name) = names {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `parse-js` (lib) generated 20 warnings (run `cargo fix --lib -p parse-js` to apply 14 suggestions)
[INFO] [stderr] warning: `parse-js` (lib test) generated 19 warnings (19 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/parse_js-b69407fef6b3f025)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test ast::tests::test_node_assoc_data ... ok
[INFO] [stdout] test lex::tests::test_lex_identifiers ... ok
[INFO] [stdout] test lex::tests::test_lex_literal_strings ... ok
[INFO] [stdout] test lex::tests::test_lex_literal_bigints ... ok
[INFO] [stdout] test lex::tests::test_lex_literal_numbers ... ok
[INFO] [stdout] test lex::tests::test_lex_keywords ... ok
[INFO] [stdout] test lex::tests::test_lex_import_statement ... ok
[INFO] [stdout] test parse::tests::stmt::test_parse_expression ... ok
[INFO] [stdout] test parse::tests::expr::test_parse_expression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests parse_js
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66106070b9bc9c3fead8ea203d57d751a2b133ac763a1e2890c3b76fc598232c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66106070b9bc9c3fead8ea203d57d751a2b133ac763a1e2890c3b76fc598232c", kill_on_drop: false }`
[INFO] [stdout] 66106070b9bc9c3fead8ea203d57d751a2b133ac763a1e2890c3b76fc598232c