[INFO] fetching crate biujs 0.1.0-alpha.0...
[INFO] checking biujs-0.1.0-alpha.0 against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] extracting crate biujs 0.1.0-alpha.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate biujs 0.1.0-alpha.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate biujs 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate biujs 0.1.0-alpha.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate biujs 0.1.0-alpha.0 on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate biujs 0.1.0-alpha.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 | homepage = "https://github.com/zzzdong/biujs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 67 | repository = "https://github.com/zzzdong/biujs"
[INFO] [stderr]    |              ----------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `biujs` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ee141b9fe8614faeccaee7aff5b54009745499f25f34b192b0103da25d560bfa
[INFO] running `Command { std: "docker" "start" "ee141b9fe8614faeccaee7aff5b54009745499f25f34b192b0103da25d560bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee141b9fe8614faeccaee7aff5b54009745499f25f34b192b0103da25d560bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ee141b9fe8614faeccaee7aff5b54009745499f25f34b192b0103da25d560bfa" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee141b9fe8614faeccaee7aff5b54009745499f25f34b192b0103da25d560bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ee141b9fe8614faeccaee7aff5b54009745499f25f34b192b0103da25d560bfa" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 | homepage = "https://github.com/zzzdong/biujs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 67 | repository = "https://github.com/zzzdong/biujs"
[INFO] [stderr]    |              ----------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `biujs` (manifest) generated 1 warning
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking writeable v0.6.4
[INFO] [stderr]    Compiling icu_locale_fallback_data v2.3.0
[INFO] [stderr]     Checking litemap v0.8.3
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling icu_segmenter_data v2.3.0
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]     Checking smallvec v1.16.1
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[INFO] [stderr]    Compiling fastrand v2.5.0
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[INFO] [stderr]    Compiling zerovec-derive v0.11.6
[INFO] [stderr]    Compiling zerofrom-derive v0.1.8
[INFO] [stderr]    Compiling yoke-derive v0.8.3
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]     Checking zerofrom v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v2.0.20
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[INFO] [stderr]    Compiling oxc-miette-derive v2.7.1
[INFO] [stderr]     Checking zerovec v0.11.8
[INFO] [stderr]    Compiling oxc_ast_macros v0.132.0
[INFO] [stderr]    Compiling phf_macros v0.13.1
[INFO] [stderr]    Compiling zerocopy-derive v0.8.57
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]     Checking env_filter v2.0.0
[INFO] [stderr]     Checking env_logger v0.11.11
[INFO] [stderr]     Checking thiserror v2.0.20
[INFO] [stderr]     Checking tinystr v0.8.4
[INFO] [stderr]     Checking potential_utf v0.1.6
[INFO] [stderr]     Checking icu_locale_core v2.3.0
[INFO] [stderr]     Checking icu_collections v2.3.0
[INFO] [stderr]     Checking icu_provider v2.3.1
[INFO] [stderr]     Checking icu_locale_fallback v2.3.0
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[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking textwrap v0.16.4
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[INFO] [stderr]     Checking oxc_diagnostics v0.132.0
[INFO] [stderr]     Checking oxc_syntax v0.132.0
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[INFO] [stderr]     Checking oxc_regular_expression v0.132.0
[INFO] [stderr]     Checking oxc_ast v0.132.0
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking criterion v0.6.0
[INFO] [stderr]     Checking oxc_ecmascript v0.132.0
[INFO] [stderr]     Checking oxc_parser v0.132.0
[INFO] [stderr]     Checking biujs v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:3426:9
[INFO] [stdout]      |
[INFO] [stdout] 3426 |     use super::*;
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builtins/array.rs:936:9
[INFO] [stdout]     |
[INFO] [stdout] 936 |     let mut append = |item: &Value,
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_ref`
[INFO] [stdout]    --> src/builtins/object.rs:570:23
[INFO] [stdout]     |
[INFO] [stdout] 570 |     let Value::Object(target_ref) = target else {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_ref`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/builtins/object.rs:770:47
[INFO] [stdout]     |
[INFO] [stdout] 770 |     set_static_method(object_fn, "isSealed", |args| Ok(Value::Bool(false)));
[INFO] [stdout]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/builtins/object.rs:769:47
[INFO] [stdout]     |
[INFO] [stdout] 769 |     set_static_method(object_fn, "isFrozen", |args| Ok(Value::Bool(false)));
[INFO] [stdout]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/builtins/object.rs:768:51
[INFO] [stdout]     |
[INFO] [stdout] 768 |     set_static_method(object_fn, "isExtensible", |args| Ok(Value::Bool(false)));
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/builtins/mod.rs:870:9
[INFO] [stdout]     |
[INFO] [stdout] 856 |         "lastIndexOf" => string::string_last_index_of(obj, args),
[INFO] [stdout]     |         ------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 870 |         "lastIndexOf" => array::array_last_index_of(obj, args),
[INFO] [stdout]     |         ^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:1377:13
[INFO] [stdout]      |
[INFO] [stdout] 1377 |             _ => {
[INFO] [stdout]      |             ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:1377:13
[INFO] [stdout]      |
[INFO] [stdout] 1353 |             BinaryOperator::Addition => self.builder.binop(Opcode::Addx, lhs, rhs),
[INFO] [stdout]      |             ------------------------ matches some of the same values
[INFO] [stdout] 1354 |             BinaryOperator::Subtraction => self.builder.binop(Opcode::Subx, lhs, rhs),
[INFO] [stdout]      |             --------------------------- matches some of the same values
[INFO] [stdout] 1355 |             BinaryOperator::Multiplication => self.builder.binop(Opcode::Mulx, lhs, rhs),
[INFO] [stdout]      |             ------------------------------ matches some of the same values
[INFO] [stdout] 1356 |             BinaryOperator::Division => self.builder.binop(Opcode::Divx, lhs, rhs),
[INFO] [stdout]      |             ------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1377 |             _ => {
[INFO] [stdout]      |             ^ ...and 18 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:2656:13
[INFO] [stdout]      |
[INFO] [stdout] 2656 |             _ => {
[INFO] [stdout]      |             ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:2656:13
[INFO] [stdout]      |
[INFO] [stdout] 2593 |             BindingPattern::BindingIdentifier(id) => {
[INFO] [stdout]      |             ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2601 |             BindingPattern::AssignmentPattern(ap) => {
[INFO] [stdout]      |             ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2611 |             BindingPattern::ObjectPattern(op) => {
[INFO] [stdout]      |             --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2633 |             BindingPattern::ArrayPattern(ap) => {
[INFO] [stdout]      |             -------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2656 |             _ => {
[INFO] [stdout]      |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builtins/array.rs:936:9
[INFO] [stdout]     |
[INFO] [stdout] 936 |     let mut append = |item: &Value,
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_ref`
[INFO] [stdout]    --> src/builtins/object.rs:570:23
[INFO] [stdout]     |
[INFO] [stdout] 570 |     let Value::Object(target_ref) = target else {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_ref`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/builtins/object.rs:770:47
[INFO] [stdout]     |
[INFO] [stdout] 770 |     set_static_method(object_fn, "isSealed", |args| Ok(Value::Bool(false)));
[INFO] [stdout]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/builtins/object.rs:769:47
[INFO] [stdout]     |
[INFO] [stdout] 769 |     set_static_method(object_fn, "isFrozen", |args| Ok(Value::Bool(false)));
[INFO] [stdout]     |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/builtins/object.rs:768:51
[INFO] [stdout]     |
[INFO] [stdout] 768 |     set_static_method(object_fn, "isExtensible", |args| Ok(Value::Bool(false)));
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `setter`
[INFO] [stdout]    --> src/vm/prototype.rs:130:25
[INFO] [stdout]     |
[INFO] [stdout] 130 |             if let Some(setter) = desc.setter {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_setter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/builtins/mod.rs:870:9
[INFO] [stdout]     |
[INFO] [stdout] 856 |         "lastIndexOf" => string::string_last_index_of(obj, args),
[INFO] [stdout]     |         ------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 870 |         "lastIndexOf" => array::array_last_index_of(obj, args),
[INFO] [stdout]     |         ^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_prototype_to_string` is never used
[INFO] [stdout]   --> src/builtins/function.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn function_prototype_to_string(obj: &Value) -> Result<Value, RuntimeError> {
[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 `number_to_string_proto` is never used
[INFO] [stdout]   --> src/builtins/number.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn number_to_string_proto(obj: &Value) -> Result<Value, RuntimeError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `symbol_to_string` is never used
[INFO] [stdout]    --> src/builtins/symbol.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub fn symbol_to_string(obj: &Value) -> Result<Value, RuntimeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `symbol_value_of` is never used
[INFO] [stdout]    --> src/builtins/symbol.rs:319:8
[INFO] [stdout]     |
[INFO] [stdout] 319 | pub fn symbol_value_of(obj: &Value) -> Result<Value, RuntimeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `loop_context` is never used
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:3119:8
[INFO] [stdout]      |
[INFO] [stdout]   92 | impl<'a> JSASTLower<'a> {
[INFO] [stdout]      | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 3119 |     fn loop_context(&self) -> &LoopContext {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generator_send` is never read
[INFO] [stdout]   --> src/vm/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct VM {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 79 |     generator_send: Value,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `js_prop_get` and `lookup_on_prototype` are never used
[INFO] [stdout]     --> src/vm/mod.rs:3792:8
[INFO] [stdout]      |
[INFO] [stdout]  151 | impl VM {
[INFO] [stdout]      | ------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 3792 |     fn js_prop_get(obj: &Value, prop: &str) -> Result<Value, RuntimeError> {
[INFO] [stdout]      |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 3917 |     fn lookup_on_prototype(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/builtins/symbol.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 | /         obj.borrow_mut()
[INFO] [stdout] 261 | |             .define_property(
[INFO] [stdout] 262 | |                 PropertyKey::from_str("for"),
[INFO] [stdout] 263 | |                 super::method_descriptor(for_fn),
[INFO] [stdout] 264 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 260 |         let _ = obj.borrow_mut()
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/builtins/symbol.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 | /         obj.borrow_mut()
[INFO] [stdout] 271 | |             .define_property(
[INFO] [stdout] 272 | |                 PropertyKey::from_str("keyFor"),
[INFO] [stdout] 273 | |                 super::method_descriptor(key_for_fn),
[INFO] [stdout] 274 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let _ = obj.borrow_mut()
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/builtins/symbol.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 | /         obj.borrow_mut().define_property(
[INFO] [stdout] 278 | |             PropertyKey::from_str("prototype"),
[INFO] [stdout] 279 | |             super::constructor_prototype_descriptor(Value::Object(Rc::clone(symbol_proto))),
[INFO] [stdout] 280 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let _ = obj.borrow_mut().define_property(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:1377:13
[INFO] [stdout]      |
[INFO] [stdout] 1377 |             _ => {
[INFO] [stdout]      |             ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:1377:13
[INFO] [stdout]      |
[INFO] [stdout] 1353 |             BinaryOperator::Addition => self.builder.binop(Opcode::Addx, lhs, rhs),
[INFO] [stdout]      |             ------------------------ matches some of the same values
[INFO] [stdout] 1354 |             BinaryOperator::Subtraction => self.builder.binop(Opcode::Subx, lhs, rhs),
[INFO] [stdout]      |             --------------------------- matches some of the same values
[INFO] [stdout] 1355 |             BinaryOperator::Multiplication => self.builder.binop(Opcode::Mulx, lhs, rhs),
[INFO] [stdout]      |             ------------------------------ matches some of the same values
[INFO] [stdout] 1356 |             BinaryOperator::Division => self.builder.binop(Opcode::Divx, lhs, rhs),
[INFO] [stdout]      |             ------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1377 |             _ => {
[INFO] [stdout]      |             ^ ...and 18 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:2656:13
[INFO] [stdout]      |
[INFO] [stdout] 2656 |             _ => {
[INFO] [stdout]      |             ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:2656:13
[INFO] [stdout]      |
[INFO] [stdout] 2593 |             BindingPattern::BindingIdentifier(id) => {
[INFO] [stdout]      |             ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2601 |             BindingPattern::AssignmentPattern(ap) => {
[INFO] [stdout]      |             ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2611 |             BindingPattern::ObjectPattern(op) => {
[INFO] [stdout]      |             --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2633 |             BindingPattern::ArrayPattern(ap) => {
[INFO] [stdout]      |             -------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2656 |             _ => {
[INFO] [stdout]      |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eval_bool`
[INFO] [stdout]  --> tests/features/arrow_functions.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::helpers::{eval_bool, eval_js, eval_number, eval_string};
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `eval_number` and `eval_string`
[INFO] [stdout]  --> tests/features/arrow_functions_return.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::helpers::{eval_js, eval_number, eval_string};
[INFO] [stdout]   |                               ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eval_js`
[INFO] [stdout]  --> tests/features/functions.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::helpers::{eval_js, eval_number, eval_string};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `biujs::Value`
[INFO] [stdout]  --> tests/features/functions.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use biujs::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `setter`
[INFO] [stdout]    --> src/vm/prototype.rs:130:25
[INFO] [stdout]     |
[INFO] [stdout] 130 |             if let Some(setter) = desc.setter {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_setter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function_prototype_to_string` is never used
[INFO] [stdout]   --> src/builtins/function.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn function_prototype_to_string(obj: &Value) -> Result<Value, RuntimeError> {
[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 `number_to_string_proto` is never used
[INFO] [stdout]   --> src/builtins/number.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn number_to_string_proto(obj: &Value) -> Result<Value, RuntimeError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `symbol_to_string` is never used
[INFO] [stdout]    --> src/builtins/symbol.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 303 | pub fn symbol_to_string(obj: &Value) -> Result<Value, RuntimeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `symbol_value_of` is never used
[INFO] [stdout]    --> src/builtins/symbol.rs:319:8
[INFO] [stdout]     |
[INFO] [stdout] 319 | pub fn symbol_value_of(obj: &Value) -> Result<Value, RuntimeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `loop_context` is never used
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:3119:8
[INFO] [stdout]      |
[INFO] [stdout]   92 | impl<'a> JSASTLower<'a> {
[INFO] [stdout]      | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 3119 |     fn loop_context(&self) -> &LoopContext {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `generator_send` is never read
[INFO] [stdout]   --> src/vm/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct VM {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 79 |     generator_send: Value,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `lookup_on_prototype` is never used
[INFO] [stdout]     --> src/vm/mod.rs:3917:8
[INFO] [stdout]      |
[INFO] [stdout]  151 | impl VM {
[INFO] [stdout]      | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 3917 |     fn lookup_on_prototype(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/builtins/symbol.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 | /         obj.borrow_mut()
[INFO] [stdout] 261 | |             .define_property(
[INFO] [stdout] 262 | |                 PropertyKey::from_str("for"),
[INFO] [stdout] 263 | |                 super::method_descriptor(for_fn),
[INFO] [stdout] 264 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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] 260 |         let _ = obj.borrow_mut()
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/builtins/symbol.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 | /         obj.borrow_mut()
[INFO] [stdout] 271 | |             .define_property(
[INFO] [stdout] 272 | |                 PropertyKey::from_str("keyFor"),
[INFO] [stdout] 273 | |                 super::method_descriptor(key_for_fn),
[INFO] [stdout] 274 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 270 |         let _ = obj.borrow_mut()
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/builtins/symbol.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 | /         obj.borrow_mut().define_property(
[INFO] [stdout] 278 | |             PropertyKey::from_str("prototype"),
[INFO] [stdout] 279 | |             super::constructor_prototype_descriptor(Value::Object(Rc::clone(symbol_proto))),
[INFO] [stdout] 280 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let _ = obj.borrow_mut().define_property(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> tests/features/symbol_test.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let code = r#"
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> tests/features/symbol_test.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let code = r#"
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `user_defined_valueof_toString` should have a snake case name
[INFO] [stdout]   --> tests/features/complex.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn user_defined_valueof_toString() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `user_defined_valueof_to_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "ee141b9fe8614faeccaee7aff5b54009745499f25f34b192b0103da25d560bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee141b9fe8614faeccaee7aff5b54009745499f25f34b192b0103da25d560bfa", kill_on_drop: false }`
[INFO] [stdout] ee141b9fe8614faeccaee7aff5b54009745499f25f34b192b0103da25d560bfa
