[INFO] cloning repository https://github.com/zzzdong/biujs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zzzdong/biujs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzzdong%2Fbiujs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzzdong%2Fbiujs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26b082500bf7bc71496e7ac0d634fdb723263dd1
[INFO] checking zzzdong/biujs against 012c0bd4d516934012c9a1ecb26e9eb283d2ed75 for pr-133502-29
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzzdong%2Fbiujs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zzzdong/biujs
[INFO] finished tweaking git repo https://github.com/zzzdong/biujs
[INFO] tweaked toml for git repo https://github.com/zzzdong/biujs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zzzdong/biujs on toolchain 012c0bd4d516934012c9a1ecb26e9eb283d2ed75
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012c0bd4d516934012c9a1ecb26e9eb283d2ed75" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zzzdong/biujs 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" "+012c0bd4d516934012c9a1ecb26e9eb283d2ed75" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 | homepage = "https://github.com/zzzdong/biujs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 | 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oxc_str v0.132.0
[INFO] [stderr]   Downloaded test262-harness v0.1.1
[INFO] [stderr]   Downloaded oxc_estree v0.132.0
[INFO] [stderr]   Downloaded oxc_syntax v0.132.0
[INFO] [stderr]   Downloaded unicode-id-start v1.5.0
[INFO] [stderr]   Downloaded self_cell v1.3.0
[INFO] [stderr]   Downloaded cow-utils v0.1.3
[INFO] [stderr]   Downloaded oxc_ast_macros v0.132.0
[INFO] [stderr]   Downloaded icu_locale_fallback_data v2.3.0
[INFO] [stderr]   Downloaded env_logger v0.11.11
[INFO] [stderr]   Downloaded oxc_index v4.1.0
[INFO] [stderr]   Downloaded oxc_diagnostics v0.132.0
[INFO] [stderr]   Downloaded icu_locale_fallback v2.3.0
[INFO] [stderr]   Downloaded oxc_data_structures v0.132.0
[INFO] [stderr]   Downloaded dragonbox_ecma v0.1.12
[INFO] [stderr]   Downloaded oxc_ast_visit v0.132.0
[INFO] [stderr]   Downloaded env_filter v2.0.0
[INFO] [stderr]   Downloaded oxc_span v0.132.0
[INFO] [stderr]   Downloaded oxc-miette-derive v2.7.1
[INFO] [stderr]   Downloaded textwrap v0.16.4
[INFO] [stderr]   Downloaded owo-colors v4.4.0
[INFO] [stderr]   Downloaded oxc_ecmascript v0.132.0
[INFO] [stderr]   Downloaded oxc_regular_expression v0.132.0
[INFO] [stderr]   Downloaded oxc_semantic v0.132.0
[INFO] [stderr]   Downloaded criterion v0.6.0
[INFO] [stderr]   Downloaded compact_str v0.9.1
[INFO] [stderr]   Downloaded oxc-miette v2.7.1
[INFO] [stderr]   Downloaded cc v1.5.1
[INFO] [stderr]   Downloaded oxc_allocator v0.132.0
[INFO] [stderr]   Downloaded oxc_ast v0.132.0
[INFO] [stderr]   Downloaded oxc_parser v0.132.0
[INFO] [stderr]   Downloaded icu_segmenter_data v2.3.0
[INFO] [stderr]   Downloaded icu_segmenter v2.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] aab4ed1da2569b1203359abeb8bb6b977ed5a3d70e58f538a751a44b5fe51314
[INFO] running `Command { std: "docker" "start" "aab4ed1da2569b1203359abeb8bb6b977ed5a3d70e58f538a751a44b5fe51314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aab4ed1da2569b1203359abeb8bb6b977ed5a3d70e58f538a751a44b5fe51314", 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" "aab4ed1da2569b1203359abeb8bb6b977ed5a3d70e58f538a751a44b5fe51314" "/opt/rustwide/cargo-home/bin/cargo" "+012c0bd4d516934012c9a1ecb26e9eb283d2ed75" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aab4ed1da2569b1203359abeb8bb6b977ed5a3d70e58f538a751a44b5fe51314", 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" "aab4ed1da2569b1203359abeb8bb6b977ed5a3d70e58f538a751a44b5fe51314" "/opt/rustwide/cargo-home/bin/cargo" "+012c0bd4d516934012c9a1ecb26e9eb283d2ed75" "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:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 | homepage = "https://github.com/zzzdong/biujs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 | 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]    Compiling unicode-ident v1.0.26
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking writeable v0.6.4
[INFO] [stderr]     Checking cfg-if v1.0.5
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]    Compiling icu_locale_fallback_data v2.3.0
[INFO] [stderr]     Checking litemap v0.8.3
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling siphasher v1.0.3
[INFO] [stderr]    Compiling icu_segmenter_data v2.3.0
[INFO] [stderr]     Checking smallvec v1.16.1
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]     Checking smawk v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]     Checking unicode-segmentation v1.13.3
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]     Checking oxc_data_structures v0.132.0
[INFO] [stderr]     Checking owo-colors v4.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]     Checking rustc-hash v2.1.3
[INFO] [stderr]     Checking compact_str v0.9.1
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]     Checking oxc_estree v0.132.0
[INFO] [stderr]    Compiling dragonbox_ecma v0.1.12
[INFO] [stderr]     Checking cow-utils v0.1.3
[INFO] [stderr]     Checking bitflags v2.13.2
[INFO] [stderr]     Checking nonmax v0.5.5
[INFO] [stderr]     Checking either v1.18.0
[INFO] [stderr]     Checking unicode-id-start v1.5.0
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking aho-corasick v1.1.5
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling zerocopy v0.8.57
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]     Checking log v0.4.34
[INFO] [stderr]     Checking jiff-core v0.1.1
[INFO] [stderr]     Checking anstream v1.0.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking self_cell v1.3.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking clap_lex v1.1.1
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking oxc_allocator v0.132.0
[INFO] [stderr]     Checking indexmap v2.14.2
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking clap_builder v4.6.7
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking num-integer v0.1.47
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]     Checking num-bigint v0.4.8
[INFO] [stderr]     Checking jiff v0.2.37
[INFO] [stderr]     Checking oxc_str v0.132.0
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.6.7
[INFO] [stderr]     Checking serde_json v1.0.151
[INFO] [stderr]    Compiling synstructure v0.14.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.6
[INFO] [stderr]    Compiling displaydoc v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling thiserror-impl v2.0.20
[INFO] [stderr]    Compiling zerofrom-derive v0.1.8
[INFO] [stderr]    Compiling yoke-derive v0.8.3
[INFO] [stderr]    Compiling oxc-miette-derive v2.7.1
[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 zerotrie v0.2.5
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]     Checking zerofrom v0.1.8
[INFO] [stderr]     Checking env_filter v2.0.0
[INFO] [stderr]     Checking env_logger v0.11.11
[INFO] [stderr]     Checking yoke v0.8.3
[INFO] [stderr]     Checking zerovec v0.11.8
[INFO] [stderr]     Checking tinystr v0.8.4
[INFO] [stderr]     Checking potential_utf v0.1.6
[INFO] [stderr]     Checking icu_collections v2.3.0
[INFO] [stderr]     Checking icu_locale_core v2.3.0
[INFO] [stderr]     Checking oxc_index v4.1.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking test262-harness v0.1.1
[INFO] [stderr]     Checking icu_provider v2.3.1
[INFO] [stderr]     Checking icu_locale_fallback v2.3.0
[INFO] [stderr]     Checking icu_segmenter v2.3.0
[INFO] [stderr]     Checking textwrap v0.16.4
[INFO] [stderr]     Checking oxc-miette v2.7.1
[INFO] [stderr]     Checking oxc_span v0.132.0
[INFO] [stderr]     Checking oxc_diagnostics v0.132.0
[INFO] [stderr]     Checking oxc_syntax v0.132.0
[INFO] [stderr]     Checking oxc_regular_expression v0.132.0
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking oxc_ast v0.132.0
[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_ast_visit v0.132.0
[INFO] [stderr]     Checking oxc_parser v0.132.0
[INFO] [stderr]     Checking oxc_semantic v0.132.0
[INFO] [stderr]     Checking biujs v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/builtins/console.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / /// Labels handed to `console.time`, with the instant they were started.
[INFO] [stdout] 29 | | ///
[INFO] [stdout] 30 | | /// Module-level (process-wide) on purpose: a timer is a debugging aid spanning
[INFO] [stdout] 31 | | /// one host session, not per-VM state — the same reason `console` itself is a
[INFO] [stdout] 32 | | /// host object rather than an ES one.
[INFO] [stdout]    | |_-------------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/builtins/console.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / /// Labels handed to `console.time`, with the instant they were started.
[INFO] [stdout] 29 | | ///
[INFO] [stdout] 30 | | /// Module-level (process-wide) on purpose: a timer is a debugging aid spanning
[INFO] [stdout] 31 | | /// one host session, not per-VM state — the same reason `console` itself is a
[INFO] [stdout] 32 | | /// host object rather than an ES one.
[INFO] [stdout]    | |_-------------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:4403:9
[INFO] [stdout]      |
[INFO] [stdout] 4403 |     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:1007:9
[INFO] [stdout]      |
[INFO] [stdout] 1007 |     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:757:23
[INFO] [stdout]     |
[INFO] [stdout] 757 |     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: variable does not need to be mutable
[INFO] [stdout]    --> src/builtins/typedarray.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |     let mut ta = as_typedarray(this, "set")?;
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/builtins/mod.rs:1391:9
[INFO] [stdout]      |
[INFO] [stdout] 1377 |         "lastIndexOf" => string::string_last_index_of(obj, args),
[INFO] [stdout]      |         ------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 1391 |         "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: variable does not need to be mutable
[INFO] [stdout]     --> src/builtins/array.rs:1007:9
[INFO] [stdout]      |
[INFO] [stdout] 1007 |     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:757:23
[INFO] [stdout]     |
[INFO] [stdout] 757 |     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: unreachable pattern
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:2161:13
[INFO] [stdout]      |
[INFO] [stdout] 2161 |             _ => {
[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:2161:13
[INFO] [stdout]      |
[INFO] [stdout] 2137 |             BinaryOperator::Addition => self.builder.binop(Opcode::Addx, lhs, rhs),
[INFO] [stdout]      |             ------------------------ matches some of the same values
[INFO] [stdout] 2138 |             BinaryOperator::Subtraction => self.builder.binop(Opcode::Subx, lhs, rhs),
[INFO] [stdout]      |             --------------------------- matches some of the same values
[INFO] [stdout] 2139 |             BinaryOperator::Multiplication => self.builder.binop(Opcode::Mulx, lhs, rhs),
[INFO] [stdout]      |             ------------------------------ matches some of the same values
[INFO] [stdout] 2140 |             BinaryOperator::Division => self.builder.binop(Opcode::Divx, lhs, rhs),
[INFO] [stdout]      |             ------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2161 |             _ => {
[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:3568:13
[INFO] [stdout]      |
[INFO] [stdout] 3568 |             _ => {
[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:3568:13
[INFO] [stdout]      |
[INFO] [stdout] 3485 |             BindingPattern::BindingIdentifier(id) => {
[INFO] [stdout]      |             ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3495 |             BindingPattern::AssignmentPattern(ap) => {
[INFO] [stdout]      |             ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3506 |             BindingPattern::ObjectPattern(op) => {
[INFO] [stdout]      |             --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3535 |             BindingPattern::ArrayPattern(ap) => {
[INFO] [stdout]      |             -------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3568 |             _ => {
[INFO] [stdout]      |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/builtins/typedarray.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |     let mut ta = as_typedarray(this, "set")?;
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/builtins/mod.rs:1391:9
[INFO] [stdout]      |
[INFO] [stdout] 1377 |         "lastIndexOf" => string::string_last_index_of(obj, args),
[INFO] [stdout]      |         ------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 1391 |         "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: variable does not need to be mutable
[INFO] [stdout]    --> src/vm/mod.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let mut state = State::new();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:2161:13
[INFO] [stdout]      |
[INFO] [stdout] 2161 |             _ => {
[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:2161:13
[INFO] [stdout]      |
[INFO] [stdout] 2137 |             BinaryOperator::Addition => self.builder.binop(Opcode::Addx, lhs, rhs),
[INFO] [stdout]      |             ------------------------ matches some of the same values
[INFO] [stdout] 2138 |             BinaryOperator::Subtraction => self.builder.binop(Opcode::Subx, lhs, rhs),
[INFO] [stdout]      |             --------------------------- matches some of the same values
[INFO] [stdout] 2139 |             BinaryOperator::Multiplication => self.builder.binop(Opcode::Mulx, lhs, rhs),
[INFO] [stdout]      |             ------------------------------ matches some of the same values
[INFO] [stdout] 2140 |             BinaryOperator::Division => self.builder.binop(Opcode::Divx, lhs, rhs),
[INFO] [stdout]      |             ------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2161 |             _ => {
[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:3568:13
[INFO] [stdout]      |
[INFO] [stdout] 3568 |             _ => {
[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:3568:13
[INFO] [stdout]      |
[INFO] [stdout] 3485 |             BindingPattern::BindingIdentifier(id) => {
[INFO] [stdout]      |             ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3495 |             BindingPattern::AssignmentPattern(ap) => {
[INFO] [stdout]      |             ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3506 |             BindingPattern::ObjectPattern(op) => {
[INFO] [stdout]      |             --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3535 |             BindingPattern::ArrayPattern(ap) => {
[INFO] [stdout]      |             -------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3568 |             _ => {
[INFO] [stdout]      |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `regex_flags` is never read
[INFO] [stdout]     --> src/vm/mod.rs:5898:31
[INFO] [stdout]      |
[INFO] [stdout] 5898 |         let mut regex_flags = String::new();
[INFO] [stdout]      |                               ^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 5909 |                     regex_flags = re.flags.clone();
[INFO] [stdout]      |                     ----------- `regex_flags` is overwritten here before the previous value is read
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]     --> src/vm/mod.rs:7321:14
[INFO] [stdout]      |
[INFO] [stdout] 7321 |         let (state, func_id, frame) = {
[INFO] [stdout]      |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `SehRecord` is more private than the item `SuspendedFrame::seh`
[INFO] [stdout]     --> src/vm/object.rs:3622:5
[INFO] [stdout]      |
[INFO] [stdout] 3622 |     pub seh: Vec<crate::vm::SehRecord>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `SuspendedFrame::seh` is reachable at visibility `pub`
[INFO] [stdout]      |
[INFO] [stdout] note: but type `SehRecord` is only usable at visibility `pub(self)`
[INFO] [stdout]     --> src/vm/mod.rs:8866:1
[INFO] [stdout]      |
[INFO] [stdout] 8866 | struct SehRecord {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `register_regexp_statics` is never used
[INFO] [stdout]    --> src/builtins/regexp.rs:353:8
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub fn register_regexp_statics(ctor: &Value) {
[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 `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] 
[INFO] [stdout] warning: function `is_map_receiver` is never used
[INFO] [stdout]   --> src/builtins/map.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn is_map_receiver(this: &Value) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[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 `is_set_receiver` is never used
[INFO] [stdout]   --> src/builtins/set.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn is_set_receiver(this: &Value) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `symbol_to_string` is never used
[INFO] [stdout]    --> src/builtins/symbol.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 | 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:320:8
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub fn symbol_value_of(obj: &Value) -> Result<Value, RuntimeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `catch_clause_param_name`, `property_key_to_string`, and `loop_context` are never used
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:4030:8
[INFO] [stdout]      |
[INFO] [stdout]  369 | impl<'a> JSASTLower<'a> {
[INFO] [stdout]      | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 4030 |     fn catch_clause_param_name(&self, catch: &CatchClause<'_>) -> String {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 4037 |     fn property_key_to_string(&self, key: &PropertyKey<'_>) -> String {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 4073 |     fn loop_context(&self) -> &LoopContext {
[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:6731:8
[INFO] [stdout]      |
[INFO] [stdout]  246 | impl VM {
[INFO] [stdout]      | ------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 6731 |     fn js_prop_get(obj: &Value, prop: &str) -> Result<Value, RuntimeError> {
[INFO] [stdout]      |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6856 |     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:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 | /         obj.borrow_mut()
[INFO] [stdout] 262 | |             .define_property(
[INFO] [stdout] 263 | |                 PropertyKey::from_str("for"),
[INFO] [stdout] 264 | |                 super::method_descriptor(for_fn),
[INFO] [stdout] 265 | |             );
[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] 261 |         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:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 | /         obj.borrow_mut()
[INFO] [stdout] 272 | |             .define_property(
[INFO] [stdout] 273 | |                 PropertyKey::from_str("keyFor"),
[INFO] [stdout] 274 | |                 super::method_descriptor(key_for_fn),
[INFO] [stdout] 275 | |             );
[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] 271 |         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:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 | /         obj.borrow_mut().define_property(
[INFO] [stdout] 279 | |             PropertyKey::from_str("prototype"),
[INFO] [stdout] 280 | |             super::constructor_prototype_descriptor(Value::Object(Rc::clone(symbol_proto))),
[INFO] [stdout] 281 | |         );
[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] 278 |         let _ = obj.borrow_mut().define_property(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/vm/mod.rs:7257:25
[INFO] [stdout]      |
[INFO] [stdout] 7257 |                         drop(gobj);
[INFO] [stdout]      |                         ^^^^^----^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              argument has type `&mut GeneratorObject`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 7257 -                         drop(gobj);
[INFO] [stdout] 7257 +                         let _ = gobj;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vm/mod.rs:248:13
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let mut state = State::new();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[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:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::helpers::{eval_bool, 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: value assigned to `regex_flags` is never read
[INFO] [stdout]     --> src/vm/mod.rs:5898:31
[INFO] [stdout]      |
[INFO] [stdout] 5898 |         let mut regex_flags = String::new();
[INFO] [stdout]      |                               ^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 5909 |                     regex_flags = re.flags.clone();
[INFO] [stdout]      |                     ----------- `regex_flags` is overwritten here before the previous value is read
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]     --> src/vm/mod.rs:7321:14
[INFO] [stdout]      |
[INFO] [stdout] 7321 |         let (state, func_id, frame) = {
[INFO] [stdout]      |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/vm/mod.rs:9247:13
[INFO] [stdout]      |
[INFO] [stdout] 9247 |         let mut state = State::new();
[INFO] [stdout]      |             ----^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `SehRecord` is more private than the item `SuspendedFrame::seh`
[INFO] [stdout]     --> src/vm/object.rs:3622:5
[INFO] [stdout]      |
[INFO] [stdout] 3622 |     pub seh: Vec<crate::vm::SehRecord>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `SuspendedFrame::seh` is reachable at visibility `pub`
[INFO] [stdout]      |
[INFO] [stdout] note: but type `SehRecord` is only usable at visibility `pub(self)`
[INFO] [stdout]     --> src/vm/mod.rs:8866:1
[INFO] [stdout]      |
[INFO] [stdout] 8866 | struct SehRecord {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `register_regexp_statics` is never used
[INFO] [stdout]    --> src/builtins/regexp.rs:353:8
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub fn register_regexp_statics(ctor: &Value) {
[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 `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] 
[INFO] [stdout] warning: function `is_map_receiver` is never used
[INFO] [stdout]   --> src/builtins/map.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn is_map_receiver(this: &Value) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[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 `is_set_receiver` is never used
[INFO] [stdout]   --> src/builtins/set.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn is_set_receiver(this: &Value) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `symbol_to_string` is never used
[INFO] [stdout]    --> src/builtins/symbol.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 | 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:320:8
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub fn symbol_value_of(obj: &Value) -> Result<Value, RuntimeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `catch_clause_param_name`, `property_key_to_string`, and `loop_context` are never used
[INFO] [stdout]     --> src/compiler/lowering/mod.rs:4030:8
[INFO] [stdout]      |
[INFO] [stdout]  369 | impl<'a> JSASTLower<'a> {
[INFO] [stdout]      | ----------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 4030 |     fn catch_clause_param_name(&self, catch: &CatchClause<'_>) -> String {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 4037 |     fn property_key_to_string(&self, key: &PropertyKey<'_>) -> String {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 4073 |     fn loop_context(&self) -> &LoopContext {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `lookup_on_prototype` is never used
[INFO] [stdout]     --> src/vm/mod.rs:6856:8
[INFO] [stdout]      |
[INFO] [stdout]  246 | impl VM {
[INFO] [stdout]      | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 6856 |     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:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 | /         obj.borrow_mut()
[INFO] [stdout] 262 | |             .define_property(
[INFO] [stdout] 263 | |                 PropertyKey::from_str("for"),
[INFO] [stdout] 264 | |                 super::method_descriptor(for_fn),
[INFO] [stdout] 265 | |             );
[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] 261 |         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:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 | /         obj.borrow_mut()
[INFO] [stdout] 272 | |             .define_property(
[INFO] [stdout] 273 | |                 PropertyKey::from_str("keyFor"),
[INFO] [stdout] 274 | |                 super::method_descriptor(key_for_fn),
[INFO] [stdout] 275 | |             );
[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] 271 |         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:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 | /         obj.borrow_mut().define_property(
[INFO] [stdout] 279 | |             PropertyKey::from_str("prototype"),
[INFO] [stdout] 280 | |             super::constructor_prototype_descriptor(Value::Object(Rc::clone(symbol_proto))),
[INFO] [stdout] 281 | |         );
[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] 278 |         let _ = obj.borrow_mut().define_property(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]     --> src/vm/mod.rs:7257:25
[INFO] [stdout]      |
[INFO] [stdout] 7257 |                         drop(gobj);
[INFO] [stdout]      |                         ^^^^^----^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              argument has type `&mut GeneratorObject`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]      |
[INFO] [stdout] 7257 -                         drop(gobj);
[INFO] [stdout] 7257 +                         let _ = gobj;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/features/generators.rs:794:9
[INFO] [stdout]     |
[INFO] [stdout] 794 |     let mut run = |vm: &mut VM, source: &str| -> String {
[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: `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 53.65s
[INFO] running `Command { std: "docker" "inspect" "aab4ed1da2569b1203359abeb8bb6b977ed5a3d70e58f538a751a44b5fe51314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab4ed1da2569b1203359abeb8bb6b977ed5a3d70e58f538a751a44b5fe51314", kill_on_drop: false }`
[INFO] [stdout] aab4ed1da2569b1203359abeb8bb6b977ed5a3d70e58f538a751a44b5fe51314
