[INFO] cloning repository https://github.com/Cinze-Dude/LangLang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cinze-Dude/LangLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCinze-Dude%2FLangLang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCinze-Dude%2FLangLang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48e6b58daeb503c01bae6a067edf4a625d540021
[INFO] checking Cinze-Dude/LangLang against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCinze-Dude%2FLangLang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Cinze-Dude/LangLang
[INFO] finished tweaking git repo https://github.com/Cinze-Dude/LangLang
[INFO] tweaked toml for git repo https://github.com/Cinze-Dude/LangLang written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Cinze-Dude/LangLang on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Cinze-Dude/LangLang 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 40ad6f0fa44189db3bf36b10e0500c5b14b55adff7cb218d461d77161dc3aedb
[INFO] running `Command { std: "docker" "start" "40ad6f0fa44189db3bf36b10e0500c5b14b55adff7cb218d461d77161dc3aedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40ad6f0fa44189db3bf36b10e0500c5b14b55adff7cb218d461d77161dc3aedb", 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" "40ad6f0fa44189db3bf36b10e0500c5b14b55adff7cb218d461d77161dc3aedb" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40ad6f0fa44189db3bf36b10e0500c5b14b55adff7cb218d461d77161dc3aedb", 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" "40ad6f0fa44189db3bf36b10e0500c5b14b55adff7cb218d461d77161dc3aedb" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]     Checking regex-syntax v0.8.11
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking itoa v1.0.18
[INFO] [stderr]     Checking colored v3.1.1
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking regex v1.12.4
[INFO] [stderr]     Checking LangLang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `line`, `pos`, and `character` are never read
[INFO] [stdout]   --> src/frontend/errors.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  8 |     UnexpectedCharacter {
[INFO] [stdout]    |     ------------------- fields in this variant
[INFO] [stdout]  9 |         line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 10 |         pos: usize,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 11 |         character: char,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LexerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/runtime/errors.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub enum RuntimeError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout]  9 |     UndefinedVariable(String),
[INFO] [stdout] 10 |     InvalidVariableName(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     InvalidVariableTarget(String),
[INFO] [stdout] 12 |     VariableTargetNameMismatch { expected: String, found: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     IndexOutOfBounds,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 26 |     InvalidOperand,
[INFO] [stdout] 27 |     NotCallable,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     UndefinedFunctionName(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 37 |     ArgumentLengthMismatch { expected: String, found: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 38 |
[INFO] [stdout] 39 |     Custom(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `value`, and `used_in` are never read
[INFO] [stdout]   --> src/runtime/values.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     DynamVariable {
[INFO] [stdout]    |     ------------- fields in this variant
[INFO] [stdout] 16 |         id: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 17 |         name: String,
[INFO] [stdout] 18 |         value: Expr,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 19 |         used_in: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Variable` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `params`, `body`, `closure`, and `rettype` are never read
[INFO] [stdout]    --> src/runtime/values.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct FunctionValue {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 101 |     pub params: Vec<(String, RuntimeType)>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 102 |     pub body: Expr,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 103 |     pub closure: Rc<RefCell<Environment>>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 104 |     pub rettype: RuntimeType,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FunctionValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/runtime/values.rs:203:11
[INFO] [stdout]     |
[INFO] [stdout] 203 |     Block(Vec<Stmt>, Rc<RefCell<Environment>>),
[INFO] [stdout]     |     ----- ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RuntimeValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 203 -     Block(Vec<Stmt>, Rc<RefCell<Environment>>),
[INFO] [stdout] 203 +     Block((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/runtime/values.rs:206:10
[INFO] [stdout]     |
[INFO] [stdout] 206 |     Func(FunctionValue),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RuntimeValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 206 -     Func(FunctionValue),
[INFO] [stdout] 206 +     Func(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NativeFunction` is never constructed
[INFO] [stdout]    --> src/runtime/values.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub enum RuntimeValue {
[INFO] [stdout]     |          ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 207 |     NativeFunction(FunctionValue),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RuntimeValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `RuntimeValue`
[INFO] [stdout]   --> src/runtime/eval/evalops.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 | /                         RuntimeValue::Number(
[INFO] [stdout] 85 | |                             fact(old.as_number().map_err(|_| RuntimeError::TypeMismatch {
[INFO] [stdout] 86 | |                                 expected: RuntimeType::Number.stringify(),
[INFO] [stdout] 87 | |                                 found: old.runtime_type().stringify(),
[INFO] [stdout] ...  |
[INFO] [stdout] 91 | |                         .into(),
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 90 -                         )
[INFO] [stdout] 91 -                         .into(),
[INFO] [stdout] 90 +                         ),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 84 ~                         <RuntimeValue as Into<_>>::into(RuntimeValue::Number(
[INFO] [stdout] 85 |                             fact(old.as_number().map_err(|_| RuntimeError::TypeMismatch {
[INFO] [stdout] ...
[INFO] [stdout] 89 |                             .into(),
[INFO] [stdout] 90 ~                         )),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ColoredString`
[INFO] [stdout]    --> src/runtime/values.rs:266:39
[INFO] [stdout]     |
[INFO] [stdout] 266 |             RuntimeValue::Infinity => "infinity".blue().into(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 266 -             RuntimeValue::Infinity => "infinity".blue().into(),
[INFO] [stdout] 266 +             RuntimeValue::Infinity => "infinity".blue(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 266 -             RuntimeValue::Infinity => "infinity".blue().into(),
[INFO] [stdout] 266 +             RuntimeValue::Infinity => <ColoredString as Into<_>>::into("infinity".blue()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ColoredString`
[INFO] [stdout]    --> src/runtime/values.rs:267:42
[INFO] [stdout]     |
[INFO] [stdout] 267 |             RuntimeValue::NegInfinity => "negative infinity".blue().into(),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 267 -             RuntimeValue::NegInfinity => "negative infinity".blue().into(),
[INFO] [stdout] 267 +             RuntimeValue::NegInfinity => "negative infinity".blue(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 267 -             RuntimeValue::NegInfinity => "negative infinity".blue().into(),
[INFO] [stdout] 267 +             RuntimeValue::NegInfinity => <ColoredString as Into<_>>::into("negative infinity".blue()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ColoredString`
[INFO] [stdout]    --> src/runtime/values.rs:268:34
[INFO] [stdout]     |
[INFO] [stdout] 268 |             RuntimeValue::NaN => "NaN".blue().into(),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 268 -             RuntimeValue::NaN => "NaN".blue().into(),
[INFO] [stdout] 268 +             RuntimeValue::NaN => "NaN".blue(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 268 -             RuntimeValue::NaN => "NaN".blue().into(),
[INFO] [stdout] 268 +             RuntimeValue::NaN => <ColoredString as Into<_>>::into("NaN".blue()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ColoredString`
[INFO] [stdout]    --> src/runtime/values.rs:279:42
[INFO] [stdout]     |
[INFO] [stdout] 279 |             RuntimeValue::Block(_, _) => "<block>".bright_cyan().into(),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 279 -             RuntimeValue::Block(_, _) => "<block>".bright_cyan().into(),
[INFO] [stdout] 279 +             RuntimeValue::Block(_, _) => "<block>".bright_cyan(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 279 -             RuntimeValue::Block(_, _) => "<block>".bright_cyan().into(),
[INFO] [stdout] 279 +             RuntimeValue::Block(_, _) => <ColoredString as Into<_>>::into("<block>".bright_cyan()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ColoredString`
[INFO] [stdout]    --> src/runtime/values.rs:321:38
[INFO] [stdout]     |
[INFO] [stdout] 321 |             RuntimeValue::Func(_) => "<function>".purple().into(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 321 -             RuntimeValue::Func(_) => "<function>".purple().into(),
[INFO] [stdout] 321 +             RuntimeValue::Func(_) => "<function>".purple(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 321 -             RuntimeValue::Func(_) => "<function>".purple().into(),
[INFO] [stdout] 321 +             RuntimeValue::Func(_) => <ColoredString as Into<_>>::into("<function>".purple()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ColoredString`
[INFO] [stdout]    --> src/runtime/values.rs:322:48
[INFO] [stdout]     |
[INFO] [stdout] 322 |             RuntimeValue::NativeFunction(_) => "<native function>".bright_purple().into(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 322 -             RuntimeValue::NativeFunction(_) => "<native function>".bright_purple().into(),
[INFO] [stdout] 322 +             RuntimeValue::NativeFunction(_) => "<native function>".bright_purple(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 322 -             RuntimeValue::NativeFunction(_) => "<native function>".bright_purple().into(),
[INFO] [stdout] 322 +             RuntimeValue::NativeFunction(_) => <ColoredString as Into<_>>::into("<native function>".bright_purple()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line`, `pos`, and `character` are never read
[INFO] [stdout]   --> src/frontend/errors.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  8 |     UnexpectedCharacter {
[INFO] [stdout]    |     ------------------- fields in this variant
[INFO] [stdout]  9 |         line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 10 |         pos: usize,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 11 |         character: char,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LexerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/runtime/errors.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub enum RuntimeError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout]  9 |     UndefinedVariable(String),
[INFO] [stdout] 10 |     InvalidVariableName(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     InvalidVariableTarget(String),
[INFO] [stdout] 12 |     VariableTargetNameMismatch { expected: String, found: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     IndexOutOfBounds,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 26 |     InvalidOperand,
[INFO] [stdout] 27 |     NotCallable,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     UndefinedFunctionName(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 37 |     ArgumentLengthMismatch { expected: String, found: String },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 38 |
[INFO] [stdout] 39 |     Custom(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `value`, and `used_in` are never read
[INFO] [stdout]   --> src/runtime/values.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     DynamVariable {
[INFO] [stdout]    |     ------------- fields in this variant
[INFO] [stdout] 16 |         id: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 17 |         name: String,
[INFO] [stdout] 18 |         value: Expr,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 19 |         used_in: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Variable` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `params`, `body`, `closure`, and `rettype` are never read
[INFO] [stdout]    --> src/runtime/values.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct FunctionValue {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 101 |     pub params: Vec<(String, RuntimeType)>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 102 |     pub body: Expr,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 103 |     pub closure: Rc<RefCell<Environment>>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 104 |     pub rettype: RuntimeType,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FunctionValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/runtime/values.rs:203:11
[INFO] [stdout]     |
[INFO] [stdout] 203 |     Block(Vec<Stmt>, Rc<RefCell<Environment>>),
[INFO] [stdout]     |     ----- ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RuntimeValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 203 -     Block(Vec<Stmt>, Rc<RefCell<Environment>>),
[INFO] [stdout] 203 +     Block((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/runtime/values.rs:206:10
[INFO] [stdout]     |
[INFO] [stdout] 206 |     Func(FunctionValue),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RuntimeValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 206 -     Func(FunctionValue),
[INFO] [stdout] 206 +     Func(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NativeFunction` is never constructed
[INFO] [stdout]    --> src/runtime/values.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub enum RuntimeValue {
[INFO] [stdout]     |          ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 207 |     NativeFunction(FunctionValue),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RuntimeValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `LangLang` (bin "LangLang" test) due to 7 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `RuntimeValue`
[INFO] [stdout]   --> src/runtime/eval/evalops.rs:84:25
[INFO] [stdout]    |
[INFO] [stdout] 84 | /                         RuntimeValue::Number(
[INFO] [stdout] 85 | |                             fact(old.as_number().map_err(|_| RuntimeError::TypeMismatch {
[INFO] [stdout] 86 | |                                 expected: RuntimeType::Number.stringify(),
[INFO] [stdout] 87 | |                                 found: old.runtime_type().stringify(),
[INFO] [stdout] ...  |
[INFO] [stdout] 91 | |                         .into(),
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 90 -                         )
[INFO] [stdout] 91 -                         .into(),
[INFO] [stdout] 90 +                         ),
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 84 ~                         <RuntimeValue as Into<_>>::into(RuntimeValue::Number(
[INFO] [stdout] 85 |                             fact(old.as_number().map_err(|_| RuntimeError::TypeMismatch {
[INFO] [stdout] ...
[INFO] [stdout] 89 |                             .into(),
[INFO] [stdout] 90 ~                         )),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ColoredString`
[INFO] [stdout]    --> src/runtime/values.rs:266:39
[INFO] [stdout]     |
[INFO] [stdout] 266 |             RuntimeValue::Infinity => "infinity".blue().into(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 266 -             RuntimeValue::Infinity => "infinity".blue().into(),
[INFO] [stdout] 266 +             RuntimeValue::Infinity => "infinity".blue(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 266 -             RuntimeValue::Infinity => "infinity".blue().into(),
[INFO] [stdout] 266 +             RuntimeValue::Infinity => <ColoredString as Into<_>>::into("infinity".blue()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ColoredString`
[INFO] [stdout]    --> src/runtime/values.rs:267:42
[INFO] [stdout]     |
[INFO] [stdout] 267 |             RuntimeValue::NegInfinity => "negative infinity".blue().into(),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 267 -             RuntimeValue::NegInfinity => "negative infinity".blue().into(),
[INFO] [stdout] 267 +             RuntimeValue::NegInfinity => "negative infinity".blue(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 267 -             RuntimeValue::NegInfinity => "negative infinity".blue().into(),
[INFO] [stdout] 267 +             RuntimeValue::NegInfinity => <ColoredString as Into<_>>::into("negative infinity".blue()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ColoredString`
[INFO] [stdout]    --> src/runtime/values.rs:268:34
[INFO] [stdout]     |
[INFO] [stdout] 268 |             RuntimeValue::NaN => "NaN".blue().into(),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 268 -             RuntimeValue::NaN => "NaN".blue().into(),
[INFO] [stdout] 268 +             RuntimeValue::NaN => "NaN".blue(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 268 -             RuntimeValue::NaN => "NaN".blue().into(),
[INFO] [stdout] 268 +             RuntimeValue::NaN => <ColoredString as Into<_>>::into("NaN".blue()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ColoredString`
[INFO] [stdout]    --> src/runtime/values.rs:279:42
[INFO] [stdout]     |
[INFO] [stdout] 279 |             RuntimeValue::Block(_, _) => "<block>".bright_cyan().into(),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 279 -             RuntimeValue::Block(_, _) => "<block>".bright_cyan().into(),
[INFO] [stdout] 279 +             RuntimeValue::Block(_, _) => "<block>".bright_cyan(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 279 -             RuntimeValue::Block(_, _) => "<block>".bright_cyan().into(),
[INFO] [stdout] 279 +             RuntimeValue::Block(_, _) => <ColoredString as Into<_>>::into("<block>".bright_cyan()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ColoredString`
[INFO] [stdout]    --> src/runtime/values.rs:321:38
[INFO] [stdout]     |
[INFO] [stdout] 321 |             RuntimeValue::Func(_) => "<function>".purple().into(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 321 -             RuntimeValue::Func(_) => "<function>".purple().into(),
[INFO] [stdout] 321 +             RuntimeValue::Func(_) => "<function>".purple(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 321 -             RuntimeValue::Func(_) => "<function>".purple().into(),
[INFO] [stdout] 321 +             RuntimeValue::Func(_) => <ColoredString as Into<_>>::into("<function>".purple()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `ColoredString`
[INFO] [stdout]    --> src/runtime/values.rs:322:48
[INFO] [stdout]     |
[INFO] [stdout] 322 |             RuntimeValue::NativeFunction(_) => "<native function>".bright_purple().into(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 322 -             RuntimeValue::NativeFunction(_) => "<native function>".bright_purple().into(),
[INFO] [stdout] 322 +             RuntimeValue::NativeFunction(_) => "<native function>".bright_purple(),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 322 -             RuntimeValue::NativeFunction(_) => "<native function>".bright_purple().into(),
[INFO] [stdout] 322 +             RuntimeValue::NativeFunction(_) => <ColoredString as Into<_>>::into("<native function>".bright_purple()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `LangLang` (bin "LangLang") due to 7 previous errors; 7 warnings emitted
[INFO] [stderr] warning: unused dependency `serde`
[INFO] [stderr]  --> Cargo.toml:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | [dependencies.serde]
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `serde`
[INFO] [stderr] warning: unused dependency `serde_json`
[INFO] [stderr]  --> Cargo.toml:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | serde_json = "1"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `serde_json`
[INFO] [stderr] warning: `LangLang` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "inspect" "40ad6f0fa44189db3bf36b10e0500c5b14b55adff7cb218d461d77161dc3aedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40ad6f0fa44189db3bf36b10e0500c5b14b55adff7cb218d461d77161dc3aedb", kill_on_drop: false }`
[INFO] [stdout] 40ad6f0fa44189db3bf36b10e0500c5b14b55adff7cb218d461d77161dc3aedb
