[INFO] cloning repository https://github.com/vangroan/crow-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vangroan/crow-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Fcrow-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Fcrow-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b57cbf0acf42ddefdc3f1c22f012e5ba08bf797b
[INFO] testing vangroan/crow-vm against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Fcrow-vm" "/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/vangroan/crow-vm
[INFO] finished tweaking git repo https://github.com/vangroan/crow-vm
[INFO] tweaked toml for git repo https://github.com/vangroan/crow-vm written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vangroan/crow-vm on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vangroan/crow-vm 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07536b700e94283a027a8c436e10b76ec20cd76544eb139089d5af3fdd076805
[INFO] running `Command { std: "docker" "start" "-a" "07536b700e94283a027a8c436e10b76ec20cd76544eb139089d5af3fdd076805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07536b700e94283a027a8c436e10b76ec20cd76544eb139089d5af3fdd076805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07536b700e94283a027a8c436e10b76ec20cd76544eb139089d5af3fdd076805", kill_on_drop: false }`
[INFO] [stdout] 07536b700e94283a027a8c436e10b76ec20cd76544eb139089d5af3fdd076805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba1ef28d24e4aac2b99033fbaaefe8898c2555820d4742f72eb45b1655533164
[INFO] running `Command { std: "docker" "start" "-a" "ba1ef28d24e4aac2b99033fbaaefe8898c2555820d4742f72eb45b1655533164", kill_on_drop: false }`
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling crow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::object::UpValueOrigin`
[INFO] [stdout]  --> src/op.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::object::UpValueOrigin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slot`
[INFO] [stdout]    --> src/vm.rs:216:21
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 let slot = vm.stack[callee_base].clone();
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_slot`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/ast.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     /// Return value type.
[INFO] [stdout] 16 |     pub ty: TypeId,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Expr(Box<Expr>),
[INFO] [stdout]    |     ---- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is 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] 32 -     Expr(Box<Expr>),
[INFO] [stdout] 32 +     Expr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Return` is never constructed
[INFO] [stdout]   --> src/ast.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum Stmt {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 30 |     Return,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReturnStmt` is never constructed
[INFO] [stdout]   --> src/ast.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct ReturnStmt {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `items` is never read
[INFO] [stdout]   --> src/ast.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Tuple {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 55 |     pub items: Vec<TupleItem>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tuple` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty` and `expr` are never read
[INFO] [stdout]   --> src/ast.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct TupleItem {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 60 |     pub ty: TypeId,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 61 |     pub expr: Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TupleItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Name(Box<NameAccessExpr>),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is 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] 71 -     Name(Box<NameAccessExpr>),
[INFO] [stdout] 71 +     Name(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |     Func(Box<FuncLit>),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is 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] 74 -     Func(Box<FuncLit>),
[INFO] [stdout] 74 +     Func(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Call` is never constructed
[INFO] [stdout]   --> src/ast.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub enum Expr {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 76 |     Call(Box<CallExpr>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ident` is never read
[INFO] [stdout]   --> src/ast.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct NameAccessExpr {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 85 |     pub ident: Ident,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NameAccessExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `args`, and `return_` are never read
[INFO] [stdout]    --> src/ast.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct FuncLit {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 109 |     pub ty: TypeId,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 110 |     pub args: Vec<Arg>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 111 |     pub return_: Tuple,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FuncLit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ty_name` are never read
[INFO] [stdout]    --> src/ast.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Arg {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 116 |     pub name: Ident,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 117 |     pub ty_name: Ident,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Arg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `callee`, and `args` are never read
[INFO] [stdout]    --> src/ast.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct CallExpr {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 123 |     pub ty: TypeId,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 124 |     pub callee: Box<Expr>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 125 |     pub args: Vec<Expr>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CallExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Str` is never constructed
[INFO] [stdout]    --> src/ast.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub enum Literal {
[INFO] [stdout]     |          ------- variant in this enum
[INFO] [stdout] 139 |     Num(Number),
[INFO] [stdout] 140 |     Str(String),
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     Int(i64),
[INFO] [stdout]     |     --- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Number` has a derived impl for the trait `Debug`, but this is 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] 145 -     Int(i64),
[INFO] [stdout] 145 +     Int(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:146:11
[INFO] [stdout]     |
[INFO] [stdout] 146 |     Float(f64),
[INFO] [stdout]     |     ----- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Number` has a derived impl for the trait `Debug`, but this is 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] 146 -     Float(f64),
[INFO] [stdout] 146 +     Float(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeDeclStmt` is never constructed
[INFO] [stdout]    --> src/ast.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct TypeDeclStmt {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Alias` and `Lit` are never constructed
[INFO] [stdout]    --> src/ast.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub enum TypeDef {
[INFO] [stdout]     |          ------- variants in this enum
[INFO] [stdout] 171 |     Alias(TypeName),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 172 |     Lit(TypeLit),
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Array`, `DynArray`, `Table`, and `Struct` are never constructed
[INFO] [stdout]    --> src/ast.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub enum TypeLit {
[INFO] [stdout]     |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 189 |     Array { element: Box<TypeDef>, size: usize },
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |     DynArray { element: Box<TypeDef> },
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 |     Table { key: Box<TypeDef>, value: Box<TypeDef> },
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 210 |     Struct { fields: Vec<FieldDef> },
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeLit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ty` are never read
[INFO] [stdout]    --> src/ast.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub struct FieldDef {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 216 |     pub name: Ident,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 217 |     pub ty: Box<TypeDef>,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]    --> src/ast.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 224 | impl Ident {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 225 |     pub fn from_string(text: impl ToString) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Env` is never constructed
[INFO] [stdout]  --> src/env.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Env {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Weak` is never constructed
[INFO] [stdout]   --> src/handle.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Weak<T>(RcWeak<RefCell<T>>);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `into_inner`, `ptr_eq`, `as_ptr`, and `downgrade` are never used
[INFO] [stdout]   --> src/handle.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Handle<T> {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn into_inner(self) -> T {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn ptr_eq(&self, other: &Handle<T>) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn as_ptr(&self) -> *const T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn downgrade(&self) -> Weak<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Shared` is never used
[INFO] [stdout]   --> src/handle.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub enum Shared<T> {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `strong`, `upgrade`, `weak`, and `downgrade` are never used
[INFO] [stdout]   --> src/handle.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl<T> Shared<T> {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 72 |     pub fn strong(&self) -> Option<&Handle<T>> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn upgrade(&self) -> Option<Handle<T>> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn weak(&self) -> Option<&Weak<T>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn downgrade(&self) -> Weak<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/lexer.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub(crate) file: Option<String>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stack_size` and `is_varg` are never read
[INFO] [stdout]   --> src/object.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Func {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) stack_size: u32,
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub(crate) is_varg: bool,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `floats` is never read
[INFO] [stdout]   --> src/object.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Constants {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 53 |     pub(crate) ints: Box<[i64]>,
[INFO] [stdout] 54 |     pub(crate) floats: Box<[f64]>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Parent` and `Outer` are never constructed
[INFO] [stdout]   --> src/object.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub enum UpValueOrigin {
[INFO] [stdout]    |          ------------- variants in this enum
[INFO] [stdout] 89 |     /// UpValue is located in parent's local variables.
[INFO] [stdout] 90 |     Parent(u32), // local_id
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 91 |     /// UpValue is located in parent's up-value list.
[INFO] [stdout] 92 |     Outer(u32), // up-value id
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UpValueOrigin` 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: associated items `new` and `into_string` are never used
[INFO] [stdout]    --> src/object.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | impl CrowStr {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 181 |     #[inline(always)]
[INFO] [stdout] 182 |     pub fn new(s: impl ToString) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     pub fn into_string(self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Str` is never constructed
[INFO] [stdout]  --> src/string.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Str(Rc<String>);
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `as_ptr` and `from_ptr` are never used
[INFO] [stdout]   --> src/string.rs:7:19
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Str {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 7  |     pub unsafe fn as_ptr(self) -> *const String {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub unsafe fn from_ptr(string_rc: *const String) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Float` is never constructed
[INFO] [stdout]   --> src/token.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum LitValue {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] 38 |     Int(i64),
[INFO] [stdout] 39 |     Float(f64),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LitValue` 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: methods `index` and `count` are never used
[INFO] [stdout]   --> src/token.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Span {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn index(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn count(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `types` and `scopes` are never read
[INFO] [stdout]   --> src/typechecker.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct TypeChecker {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 8  |     types: Vec<Type>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     scopes: Vec<Scope>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/typechecker.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Local {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 20 |     name: String,
[INFO] [stdout] 21 |     ty: TypeId,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Tuple`, `Array`, `Table`, `Func`, and `Struct` are never constructed
[INFO] [stdout]   --> src/types.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Type {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 49 |     Tuple(Vec<TypeId>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 50 |     Array(TypeId),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 51 |     /// Hash table.
[INFO] [stdout] 52 |     Table(TypeId, TypeId),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 53 |     /// Type of both the [`crate::object::Closure`] value and [`crate::object::Func`]` prototype.
[INFO] [stdout] 54 |     Func {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     Struct {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UInt` is never constructed
[INFO] [stdout]   --> src/value.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Value {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 11 |     Int(i64),
[INFO] [stdout] 12 |     UInt(u64),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` 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: methods `as_func` and `to_func` are never used
[INFO] [stdout]   --> src/value.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Value {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn as_func(&self) -> Option<&Rc<Func>> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn to_func(self) -> Option<Rc<Func>> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjPtr` is never constructed
[INFO] [stdout]   --> src/value.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct ObjPtr(NonNull<()>);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: union `Slot` is never used
[INFO] [stdout]   --> src/value.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub union Slot {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `empty`, `from_func`, and `into_func` are never used
[INFO] [stdout]    --> src/value.rs:95:25
[INFO] [stdout]     |
[INFO] [stdout] 93  | impl Slot {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 94  |     /// A slot that's considered empty.
[INFO] [stdout] 95  |     pub(crate) const fn empty() -> Self {
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub(crate) unsafe fn from_func(func: Rc<Func>) -> Self {
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub(crate) unsafe fn into_func(self) -> Rc<Func> {
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `top` is never read
[INFO] [stdout]   --> src/vm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct CallFrame {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     top: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `grow_stack` is never used
[INFO] [stdout]   --> src/vm.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl Vm {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn grow_stack(&mut self, additional: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `err_func_expected` is never used
[INFO] [stdout]    --> src/vm.rs:253:4
[INFO] [stdout]     |
[INFO] [stdout] 253 | fn err_func_expected() -> Error {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "ba1ef28d24e4aac2b99033fbaaefe8898c2555820d4742f72eb45b1655533164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1ef28d24e4aac2b99033fbaaefe8898c2555820d4742f72eb45b1655533164", kill_on_drop: false }`
[INFO] [stdout] ba1ef28d24e4aac2b99033fbaaefe8898c2555820d4742f72eb45b1655533164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adba33b9e1b4c990f8ddc2bea3f021ff433a7fa02c960c0d7d5dc668c8129c10
[INFO] running `Command { std: "docker" "start" "-a" "adba33b9e1b4c990f8ddc2bea3f021ff433a7fa02c960c0d7d5dc668c8129c10", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::object::UpValueOrigin`
[INFO] [stdout]  --> src/op.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::object::UpValueOrigin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slot`
[INFO] [stdout]    --> src/vm.rs:216:21
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 let slot = vm.stack[callee_base].clone();
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_slot`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/ast.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     /// Return value type.
[INFO] [stdout] 16 |     pub ty: TypeId,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Expr(Box<Expr>),
[INFO] [stdout]    |     ---- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is 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] 32 -     Expr(Box<Expr>),
[INFO] [stdout] 32 +     Expr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Return` is never constructed
[INFO] [stdout]   --> src/ast.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum Stmt {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 30 |     Return,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReturnStmt` is never constructed
[INFO] [stdout]   --> src/ast.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct ReturnStmt {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `items` is never read
[INFO] [stdout]   --> src/ast.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Tuple {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 55 |     pub items: Vec<TupleItem>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tuple` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty` and `expr` are never read
[INFO] [stdout]   --> src/ast.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct TupleItem {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 60 |     pub ty: TypeId,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 61 |     pub expr: Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TupleItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Name(Box<NameAccessExpr>),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is 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] 71 -     Name(Box<NameAccessExpr>),
[INFO] [stdout] 71 +     Name(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |     Func(Box<FuncLit>),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is 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] 74 -     Func(Box<FuncLit>),
[INFO] [stdout] 74 +     Func(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Call` is never constructed
[INFO] [stdout]   --> src/ast.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub enum Expr {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 76 |     Call(Box<CallExpr>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ident` is never read
[INFO] [stdout]   --> src/ast.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct NameAccessExpr {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 85 |     pub ident: Ident,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NameAccessExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `args`, and `return_` are never read
[INFO] [stdout]    --> src/ast.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct FuncLit {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 109 |     pub ty: TypeId,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 110 |     pub args: Vec<Arg>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 111 |     pub return_: Tuple,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FuncLit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ty_name` are never read
[INFO] [stdout]    --> src/ast.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Arg {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 116 |     pub name: Ident,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 117 |     pub ty_name: Ident,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Arg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `callee`, and `args` are never read
[INFO] [stdout]    --> src/ast.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct CallExpr {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 123 |     pub ty: TypeId,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 124 |     pub callee: Box<Expr>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 125 |     pub args: Vec<Expr>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CallExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Str` is never constructed
[INFO] [stdout]    --> src/ast.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub enum Literal {
[INFO] [stdout]     |          ------- variant in this enum
[INFO] [stdout] 139 |     Num(Number),
[INFO] [stdout] 140 |     Str(String),
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     Int(i64),
[INFO] [stdout]     |     --- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Number` has a derived impl for the trait `Debug`, but this is 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] 145 -     Int(i64),
[INFO] [stdout] 145 +     Int(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:146:11
[INFO] [stdout]     |
[INFO] [stdout] 146 |     Float(f64),
[INFO] [stdout]     |     ----- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Number` has a derived impl for the trait `Debug`, but this is 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] 146 -     Float(f64),
[INFO] [stdout] 146 +     Float(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeDeclStmt` is never constructed
[INFO] [stdout]    --> src/ast.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct TypeDeclStmt {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Alias` and `Lit` are never constructed
[INFO] [stdout]    --> src/ast.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub enum TypeDef {
[INFO] [stdout]     |          ------- variants in this enum
[INFO] [stdout] 171 |     Alias(TypeName),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 172 |     Lit(TypeLit),
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Array`, `DynArray`, `Table`, and `Struct` are never constructed
[INFO] [stdout]    --> src/ast.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub enum TypeLit {
[INFO] [stdout]     |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 189 |     Array { element: Box<TypeDef>, size: usize },
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |     DynArray { element: Box<TypeDef> },
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 |     Table { key: Box<TypeDef>, value: Box<TypeDef> },
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 210 |     Struct { fields: Vec<FieldDef> },
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeLit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ty` are never read
[INFO] [stdout]    --> src/ast.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub struct FieldDef {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 216 |     pub name: Ident,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 217 |     pub ty: Box<TypeDef>,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]    --> src/ast.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 224 | impl Ident {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 225 |     pub fn from_string(text: impl ToString) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Env` is never constructed
[INFO] [stdout]  --> src/env.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Env {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Weak` is never constructed
[INFO] [stdout]   --> src/handle.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Weak<T>(RcWeak<RefCell<T>>);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `into_inner`, `ptr_eq`, `as_ptr`, and `downgrade` are never used
[INFO] [stdout]   --> src/handle.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Handle<T> {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn into_inner(self) -> T {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn ptr_eq(&self, other: &Handle<T>) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn as_ptr(&self) -> *const T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn downgrade(&self) -> Weak<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Shared` is never used
[INFO] [stdout]   --> src/handle.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub enum Shared<T> {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `strong`, `upgrade`, `weak`, and `downgrade` are never used
[INFO] [stdout]   --> src/handle.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl<T> Shared<T> {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 72 |     pub fn strong(&self) -> Option<&Handle<T>> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn upgrade(&self) -> Option<Handle<T>> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn weak(&self) -> Option<&Weak<T>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn downgrade(&self) -> Weak<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/lexer.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub(crate) file: Option<String>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stack_size` and `is_varg` are never read
[INFO] [stdout]   --> src/object.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Func {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) stack_size: u32,
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub(crate) is_varg: bool,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `floats` is never read
[INFO] [stdout]   --> src/object.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Constants {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 53 |     pub(crate) ints: Box<[i64]>,
[INFO] [stdout] 54 |     pub(crate) floats: Box<[f64]>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Parent` and `Outer` are never constructed
[INFO] [stdout]   --> src/object.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub enum UpValueOrigin {
[INFO] [stdout]    |          ------------- variants in this enum
[INFO] [stdout] 89 |     /// UpValue is located in parent's local variables.
[INFO] [stdout] 90 |     Parent(u32), // local_id
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 91 |     /// UpValue is located in parent's up-value list.
[INFO] [stdout] 92 |     Outer(u32), // up-value id
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UpValueOrigin` 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: associated items `new` and `into_string` are never used
[INFO] [stdout]    --> src/object.rs:182:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | impl CrowStr {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 181 |     #[inline(always)]
[INFO] [stdout] 182 |     pub fn new(s: impl ToString) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     pub fn into_string(self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Str` is never constructed
[INFO] [stdout]  --> src/string.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Str(Rc<String>);
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `as_ptr` and `from_ptr` are never used
[INFO] [stdout]   --> src/string.rs:7:19
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Str {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 7  |     pub unsafe fn as_ptr(self) -> *const String {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub unsafe fn from_ptr(string_rc: *const String) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Float` is never constructed
[INFO] [stdout]   --> src/token.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum LitValue {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] 38 |     Int(i64),
[INFO] [stdout] 39 |     Float(f64),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LitValue` 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: methods `index` and `count` are never used
[INFO] [stdout]   --> src/token.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Span {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn index(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn count(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `types` and `scopes` are never read
[INFO] [stdout]   --> src/typechecker.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct TypeChecker {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 8  |     types: Vec<Type>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     scopes: Vec<Scope>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/typechecker.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Local {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 20 |     name: String,
[INFO] [stdout] 21 |     ty: TypeId,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Tuple`, `Array`, `Table`, `Func`, and `Struct` are never constructed
[INFO] [stdout]   --> src/types.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Type {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 49 |     Tuple(Vec<TypeId>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 50 |     Array(TypeId),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 51 |     /// Hash table.
[INFO] [stdout] 52 |     Table(TypeId, TypeId),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 53 |     /// Type of both the [`crate::object::Closure`] value and [`crate::object::Func`]` prototype.
[INFO] [stdout] 54 |     Func {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     Struct {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UInt` is never constructed
[INFO] [stdout]   --> src/value.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Value {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 11 |     Int(i64),
[INFO] [stdout] 12 |     UInt(u64),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` 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: methods `as_func` and `to_func` are never used
[INFO] [stdout]   --> src/value.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Value {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn as_func(&self) -> Option<&Rc<Func>> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn to_func(self) -> Option<Rc<Func>> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjPtr` is never constructed
[INFO] [stdout]   --> src/value.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct ObjPtr(NonNull<()>);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: union `Slot` is never used
[INFO] [stdout]   --> src/value.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub union Slot {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `empty`, `from_func`, and `into_func` are never used
[INFO] [stdout]    --> src/value.rs:95:25
[INFO] [stdout]     |
[INFO] [stdout] 93  | impl Slot {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 94  |     /// A slot that's considered empty.
[INFO] [stdout] 95  |     pub(crate) const fn empty() -> Self {
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub(crate) unsafe fn from_func(func: Rc<Func>) -> Self {
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub(crate) unsafe fn into_func(self) -> Rc<Func> {
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `top` is never read
[INFO] [stdout]   --> src/vm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct CallFrame {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     top: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `grow_stack` is never used
[INFO] [stdout]   --> src/vm.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl Vm {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn grow_stack(&mut self, additional: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `err_func_expected` is never used
[INFO] [stdout]    --> src/vm.rs:253:4
[INFO] [stdout]     |
[INFO] [stdout] 253 | fn err_func_expected() -> Error {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::object::UpValueOrigin`
[INFO] [stdout]  --> src/op.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::object::UpValueOrigin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/value.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let func = Rc::new(Func {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `slot`
[INFO] [stdout]    --> src/vm.rs:216:21
[INFO] [stdout]     |
[INFO] [stdout] 216 |                 let slot = vm.stack[callee_base].clone();
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_slot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/ast.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     /// Return value type.
[INFO] [stdout] 16 |     pub ty: TypeId,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Expr(Box<Expr>),
[INFO] [stdout]    |     ---- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is 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] 32 -     Expr(Box<Expr>),
[INFO] [stdout] 32 +     Expr(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Return` is never constructed
[INFO] [stdout]   --> src/ast.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum Stmt {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 30 |     Return,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReturnStmt` is never constructed
[INFO] [stdout]   --> src/ast.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct ReturnStmt {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `items` is never read
[INFO] [stdout]   --> src/ast.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Tuple {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 55 |     pub items: Vec<TupleItem>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tuple` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty` and `expr` are never read
[INFO] [stdout]   --> src/ast.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct TupleItem {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 60 |     pub ty: TypeId,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 61 |     pub expr: Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TupleItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Name(Box<NameAccessExpr>),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is 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] 71 -     Name(Box<NameAccessExpr>),
[INFO] [stdout] 71 +     Name(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |     Func(Box<FuncLit>),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is 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] 74 -     Func(Box<FuncLit>),
[INFO] [stdout] 74 +     Func(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Call` is never constructed
[INFO] [stdout]   --> src/ast.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub enum Expr {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 76 |     Call(Box<CallExpr>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ident` is never read
[INFO] [stdout]   --> src/ast.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct NameAccessExpr {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 85 |     pub ident: Ident,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NameAccessExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `args`, and `return_` are never read
[INFO] [stdout]    --> src/ast.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct FuncLit {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 109 |     pub ty: TypeId,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 110 |     pub args: Vec<Arg>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 111 |     pub return_: Tuple,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FuncLit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ty_name` are never read
[INFO] [stdout]    --> src/ast.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub struct Arg {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 116 |     pub name: Ident,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 117 |     pub ty_name: Ident,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Arg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ty`, `callee`, and `args` are never read
[INFO] [stdout]    --> src/ast.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct CallExpr {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 123 |     pub ty: TypeId,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 124 |     pub callee: Box<Expr>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 125 |     pub args: Vec<Expr>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CallExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Str` is never constructed
[INFO] [stdout]    --> src/ast.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub enum Literal {
[INFO] [stdout]     |          ------- variant in this enum
[INFO] [stdout] 139 |     Num(Number),
[INFO] [stdout] 140 |     Str(String),
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     Int(i64),
[INFO] [stdout]     |     --- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Number` has a derived impl for the trait `Debug`, but this is 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] 145 -     Int(i64),
[INFO] [stdout] 145 +     Int(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:146:11
[INFO] [stdout]     |
[INFO] [stdout] 146 |     Float(f64),
[INFO] [stdout]     |     ----- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Number` has a derived impl for the trait `Debug`, but this is 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] 146 -     Float(f64),
[INFO] [stdout] 146 +     Float(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeDeclStmt` is never constructed
[INFO] [stdout]    --> src/ast.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub struct TypeDeclStmt {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Lit` is never constructed
[INFO] [stdout]    --> src/ast.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 170 | pub enum TypeDef {
[INFO] [stdout]     |          ------- variant in this enum
[INFO] [stdout] 171 |     Alias(TypeName),
[INFO] [stdout] 172 |     Lit(TypeLit),
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Array`, `DynArray`, `Table`, and `Struct` are never constructed
[INFO] [stdout]    --> src/ast.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub enum TypeLit {
[INFO] [stdout]     |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 189 |     Array { element: Box<TypeDef>, size: usize },
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |     DynArray { element: Box<TypeDef> },
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 |     Table { key: Box<TypeDef>, value: Box<TypeDef> },
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 210 |     Struct { fields: Vec<FieldDef> },
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TypeLit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ty` are never read
[INFO] [stdout]    --> src/ast.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub struct FieldDef {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 216 |     pub name: Ident,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 217 |     pub ty: Box<TypeDef>,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Env` is never constructed
[INFO] [stdout]  --> src/env.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Env {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Weak` is never constructed
[INFO] [stdout]   --> src/handle.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Weak<T>(RcWeak<RefCell<T>>);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `into_inner`, `ptr_eq`, `as_ptr`, and `downgrade` are never used
[INFO] [stdout]   --> src/handle.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Handle<T> {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn into_inner(self) -> T {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn ptr_eq(&self, other: &Handle<T>) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn as_ptr(&self) -> *const T {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn downgrade(&self) -> Weak<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Shared` is never used
[INFO] [stdout]   --> src/handle.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub enum Shared<T> {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `strong`, `upgrade`, `weak`, and `downgrade` are never used
[INFO] [stdout]   --> src/handle.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl<T> Shared<T> {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 72 |     pub fn strong(&self) -> Option<&Handle<T>> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn upgrade(&self) -> Option<Handle<T>> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn weak(&self) -> Option<&Weak<T>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn downgrade(&self) -> Weak<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `file` is never read
[INFO] [stdout]   --> src/lexer.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub(crate) file: Option<String>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stack_size` and `is_varg` are never read
[INFO] [stdout]   --> src/object.rs:37:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Func {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) stack_size: u32,
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub(crate) is_varg: bool,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `floats` is never read
[INFO] [stdout]   --> src/object.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Constants {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 53 |     pub(crate) ints: Box<[i64]>,
[INFO] [stdout] 54 |     pub(crate) floats: Box<[f64]>,
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Outer` is never constructed
[INFO] [stdout]   --> src/object.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub enum UpValueOrigin {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 92 |     Outer(u32), // up-value id
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UpValueOrigin` 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: method `into_string` is never used
[INFO] [stdout]    --> src/object.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | impl CrowStr {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 190 |     pub fn into_string(self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Str` is never constructed
[INFO] [stdout]  --> src/string.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Str(Rc<String>);
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `as_ptr` and `from_ptr` are never used
[INFO] [stdout]   --> src/string.rs:7:19
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Str {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 7  |     pub unsafe fn as_ptr(self) -> *const String {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub unsafe fn from_ptr(string_rc: *const String) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Float` is never constructed
[INFO] [stdout]   --> src/token.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub enum LitValue {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] 38 |     Int(i64),
[INFO] [stdout] 39 |     Float(f64),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LitValue` 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: methods `index` and `count` are never used
[INFO] [stdout]   --> src/token.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Span {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn index(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn count(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `types` and `scopes` are never read
[INFO] [stdout]   --> src/typechecker.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct TypeChecker {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 8  |     types: Vec<Type>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     scopes: Vec<Scope>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/typechecker.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Local {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 20 |     name: String,
[INFO] [stdout] 21 |     ty: TypeId,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Tuple`, `Array`, `Table`, `Func`, and `Struct` are never constructed
[INFO] [stdout]   --> src/types.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Type {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 49 |     Tuple(Vec<TypeId>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 50 |     Array(TypeId),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 51 |     /// Hash table.
[INFO] [stdout] 52 |     Table(TypeId, TypeId),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 53 |     /// Type of both the [`crate::object::Closure`] value and [`crate::object::Func`]` prototype.
[INFO] [stdout] 54 |     Func {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     Struct {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UInt` is never constructed
[INFO] [stdout]   --> src/value.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Value {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 11 |     Int(i64),
[INFO] [stdout] 12 |     UInt(u64),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Value` 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: methods `as_func` and `to_func` are never used
[INFO] [stdout]   --> src/value.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Value {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn as_func(&self) -> Option<&Rc<Func>> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn to_func(self) -> Option<Rc<Func>> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ObjPtr` is never constructed
[INFO] [stdout]   --> src/value.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub struct ObjPtr(NonNull<()>);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: union `Slot` is never used
[INFO] [stdout]   --> src/value.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub union Slot {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `empty`, `from_func`, and `into_func` are never used
[INFO] [stdout]    --> src/value.rs:95:25
[INFO] [stdout]     |
[INFO] [stdout] 93  | impl Slot {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] 94  |     /// A slot that's considered empty.
[INFO] [stdout] 95  |     pub(crate) const fn empty() -> Self {
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub(crate) unsafe fn from_func(func: Rc<Func>) -> Self {
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub(crate) unsafe fn into_func(self) -> Rc<Func> {
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `top` is never read
[INFO] [stdout]   --> src/vm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct CallFrame {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     top: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `grow_stack` is never used
[INFO] [stdout]   --> src/vm.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl Vm {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn grow_stack(&mut self, additional: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `err_func_expected` is never used
[INFO] [stdout]    --> src/vm.rs:253:4
[INFO] [stdout]     |
[INFO] [stdout] 253 | fn err_func_expected() -> Error {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "adba33b9e1b4c990f8ddc2bea3f021ff433a7fa02c960c0d7d5dc668c8129c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adba33b9e1b4c990f8ddc2bea3f021ff433a7fa02c960c0d7d5dc668c8129c10", kill_on_drop: false }`
[INFO] [stdout] adba33b9e1b4c990f8ddc2bea3f021ff433a7fa02c960c0d7d5dc668c8129c10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80d35a9fca72e42c10ab6767030451c149296472d9563424f55b3798c8b7ec63
[INFO] running `Command { std: "docker" "start" "-a" "80d35a9fca72e42c10ab6767030451c149296472d9563424f55b3798c8b7ec63", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::object::UpValueOrigin`
[INFO] [stderr]  --> src/op.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::object::UpValueOrigin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `slot`
[INFO] [stderr]    --> src/vm.rs:216:21
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 let slot = vm.stack[callee_base].clone();
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_slot`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `ty` is never read
[INFO] [stderr]   --> src/ast.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Block {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 15 |     /// Return value type.
[INFO] [stderr] 16 |     pub ty: TypeId,
[INFO] [stderr]    |         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/ast.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Expr(Box<Expr>),
[INFO] [stderr]    |     ---- ^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 32 -     Expr(Box<Expr>),
[INFO] [stderr] 32 +     Expr(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Return` is never constructed
[INFO] [stderr]   --> src/ast.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub enum Stmt {
[INFO] [stderr]    |          ---- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 30 |     Return,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ReturnStmt` is never constructed
[INFO] [stderr]   --> src/ast.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub struct ReturnStmt {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `items` is never read
[INFO] [stderr]   --> src/ast.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub struct Tuple {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 55 |     pub items: Vec<TupleItem>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Tuple` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ty` and `expr` are never read
[INFO] [stderr]   --> src/ast.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub struct TupleItem {
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] 60 |     pub ty: TypeId,
[INFO] [stderr]    |         ^^
[INFO] [stderr] 61 |     pub expr: Expr,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TupleItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/ast.rs:71:10
[INFO] [stderr]    |
[INFO] [stderr] 71 |     Name(Box<NameAccessExpr>),
[INFO] [stderr]    |     ---- ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 71 -     Name(Box<NameAccessExpr>),
[INFO] [stderr] 71 +     Name(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/ast.rs:74:10
[INFO] [stderr]    |
[INFO] [stderr] 74 |     Func(Box<FuncLit>),
[INFO] [stderr]    |     ---- ^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 74 -     Func(Box<FuncLit>),
[INFO] [stderr] 74 +     Func(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Call` is never constructed
[INFO] [stderr]   --> src/ast.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub enum Expr {
[INFO] [stderr]    |          ---- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 76 |     Call(Box<CallExpr>),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `ident` is never read
[INFO] [stderr]   --> src/ast.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 84 | pub struct NameAccessExpr {
[INFO] [stderr]    |            -------------- field in this struct
[INFO] [stderr] 85 |     pub ident: Ident,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NameAccessExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ty`, `args`, and `return_` are never read
[INFO] [stderr]    --> src/ast.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub struct FuncLit {
[INFO] [stderr]     |            ------- fields in this struct
[INFO] [stderr] 109 |     pub ty: TypeId,
[INFO] [stderr]     |         ^^
[INFO] [stderr] 110 |     pub args: Vec<Arg>,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 111 |     pub return_: Tuple,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `FuncLit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `ty_name` are never read
[INFO] [stderr]    --> src/ast.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub struct Arg {
[INFO] [stderr]     |            --- fields in this struct
[INFO] [stderr] 116 |     pub name: Ident,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 117 |     pub ty_name: Ident,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Arg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `ty`, `callee`, and `args` are never read
[INFO] [stderr]    --> src/ast.rs:123:9
[INFO] [stderr]     |
[INFO] [stderr] 122 | pub struct CallExpr {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 123 |     pub ty: TypeId,
[INFO] [stderr]     |         ^^
[INFO] [stderr] 124 |     pub callee: Box<Expr>,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr] 125 |     pub args: Vec<Expr>,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `CallExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Str` is never constructed
[INFO] [stderr]    --> src/ast.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 138 | pub enum Literal {
[INFO] [stderr]     |          ------- variant in this enum
[INFO] [stderr] 139 |     Num(Number),
[INFO] [stderr] 140 |     Str(String),
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/ast.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |     Int(i64),
[INFO] [stderr]     |     --- ^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 145 -     Int(i64),
[INFO] [stderr] 145 +     Int(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/ast.rs:146:11
[INFO] [stderr]     |
[INFO] [stderr] 146 |     Float(f64),
[INFO] [stderr]     |     ----- ^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 146 -     Float(f64),
[INFO] [stderr] 146 +     Float(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TypeDeclStmt` is never constructed
[INFO] [stderr]    --> src/ast.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 159 | pub struct TypeDeclStmt {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Alias` and `Lit` are never constructed
[INFO] [stderr]    --> src/ast.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 170 | pub enum TypeDef {
[INFO] [stderr]     |          ------- variants in this enum
[INFO] [stderr] 171 |     Alias(TypeName),
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 172 |     Lit(TypeLit),
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TypeDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Array`, `DynArray`, `Table`, and `Struct` are never constructed
[INFO] [stderr]    --> src/ast.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 183 | pub enum TypeLit {
[INFO] [stderr]     |          ------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 189 |     Array { element: Box<TypeDef>, size: usize },
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 196 |     DynArray { element: Box<TypeDef> },
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 203 |     Table { key: Box<TypeDef>, value: Box<TypeDef> },
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 210 |     Struct { fields: Vec<FieldDef> },
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TypeLit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `ty` are never read
[INFO] [stderr]    --> src/ast.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 215 | pub struct FieldDef {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 216 |     pub name: Ident,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 217 |     pub ty: Box<TypeDef>,
[INFO] [stderr]     |         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `FieldDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_string` is never used
[INFO] [stderr]    --> src/ast.rs:225:12
[INFO] [stderr]     |
[INFO] [stderr] 224 | impl Ident {
[INFO] [stderr]     | ---------- associated function in this implementation
[INFO] [stderr] 225 |     pub fn from_string(text: impl ToString) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Env` is never constructed
[INFO] [stderr]  --> src/env.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Env {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Weak` is never constructed
[INFO] [stderr]   --> src/handle.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Weak<T>(RcWeak<RefCell<T>>);
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `into_inner`, `ptr_eq`, `as_ptr`, and `downgrade` are never used
[INFO] [stderr]   --> src/handle.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl<T> Handle<T> {
[INFO] [stderr]    | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn into_inner(self) -> T {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn ptr_eq(&self, other: &Handle<T>) -> bool {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     pub fn as_ptr(&self) -> *const T {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 |     pub fn downgrade(&self) -> Weak<T> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Shared` is never used
[INFO] [stderr]   --> src/handle.rs:66:10
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub enum Shared<T> {
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `strong`, `upgrade`, `weak`, and `downgrade` are never used
[INFO] [stderr]   --> src/handle.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 71 | impl<T> Shared<T> {
[INFO] [stderr]    | ----------------- methods in this implementation
[INFO] [stderr] 72 |     pub fn strong(&self) -> Option<&Handle<T>> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 79 |     pub fn upgrade(&self) -> Option<Handle<T>> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 86 |     pub fn weak(&self) -> Option<&Weak<T>> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 93 |     pub fn downgrade(&self) -> Weak<T> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `file` is never read
[INFO] [stderr]   --> src/lexer.rs:22:16
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Lexer<'a> {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub(crate) file: Option<String>,
[INFO] [stderr]    |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `stack_size` and `is_varg` are never read
[INFO] [stderr]   --> src/object.rs:37:16
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct Func {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub(crate) stack_size: u32,
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub(crate) is_varg: bool,
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `floats` is never read
[INFO] [stderr]   --> src/object.rs:54:16
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub struct Constants {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] 53 |     pub(crate) ints: Box<[i64]>,
[INFO] [stderr] 54 |     pub(crate) floats: Box<[f64]>,
[INFO] [stderr]    |                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Parent` and `Outer` are never constructed
[INFO] [stderr]   --> src/object.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub enum UpValueOrigin {
[INFO] [stderr]    |          ------------- variants in this enum
[INFO] [stderr] 89 |     /// UpValue is located in parent's local variables.
[INFO] [stderr] 90 |     Parent(u32), // local_id
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 91 |     /// UpValue is located in parent's up-value list.
[INFO] [stderr] 92 |     Outer(u32), // up-value id
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `UpValueOrigin` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `into_string` are never used
[INFO] [stderr]    --> src/object.rs:182:12
[INFO] [stderr]     |
[INFO] [stderr] 180 | impl CrowStr {
[INFO] [stderr]     | ------------ associated items in this implementation
[INFO] [stderr] 181 |     #[inline(always)]
[INFO] [stderr] 182 |     pub fn new(s: impl ToString) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 190 |     pub fn into_string(self) -> String {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Str` is never constructed
[INFO] [stderr]  --> src/string.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Str(Rc<String>);
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `as_ptr` and `from_ptr` are never used
[INFO] [stderr]   --> src/string.rs:7:19
[INFO] [stderr]    |
[INFO] [stderr] 6  | impl Str {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] 7  |     pub unsafe fn as_ptr(self) -> *const String {
[INFO] [stderr]    |                   ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     pub unsafe fn from_ptr(string_rc: *const String) -> Self {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Float` is never constructed
[INFO] [stderr]   --> src/token.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub enum LitValue {
[INFO] [stderr]    |          -------- variant in this enum
[INFO] [stderr] 38 |     Int(i64),
[INFO] [stderr] 39 |     Float(f64),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `LitValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `index` and `count` are never used
[INFO] [stderr]   --> src/token.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 59 | impl Span {
[INFO] [stderr]    | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 71 |     pub fn index(&self) -> u32 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 75 |     pub fn count(&self) -> u32 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `types` and `scopes` are never read
[INFO] [stderr]   --> src/typechecker.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 7  | pub struct TypeChecker {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr] 8  |     types: Vec<Type>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     scopes: Vec<Scope>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `ty` is never read
[INFO] [stderr]   --> src/typechecker.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Local {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 20 |     name: String,
[INFO] [stderr] 21 |     ty: TypeId,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Tuple`, `Array`, `Table`, `Func`, and `Struct` are never constructed
[INFO] [stderr]   --> src/types.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub enum Type {
[INFO] [stderr]    |          ---- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 49 |     Tuple(Vec<TypeId>),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 50 |     Array(TypeId),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 51 |     /// Hash table.
[INFO] [stderr] 52 |     Table(TypeId, TypeId),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 53 |     /// Type of both the [`crate::object::Closure`] value and [`crate::object::Func`]` prototype.
[INFO] [stderr] 54 |     Func {
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |     Struct {
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `UInt` is never constructed
[INFO] [stderr]   --> src/value.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub enum Value {
[INFO] [stderr]    |          ----- variant in this enum
[INFO] [stderr] 11 |     Int(i64),
[INFO] [stderr] 12 |     UInt(u64),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Value` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `as_func` and `to_func` are never used
[INFO] [stderr]   --> src/value.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Value {
[INFO] [stderr]    | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub fn as_func(&self) -> Option<&Rc<Func>> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn to_func(self) -> Option<Rc<Func>> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ObjPtr` is never constructed
[INFO] [stderr]   --> src/value.rs:82:12
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub struct ObjPtr(NonNull<()>);
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: union `Slot` is never used
[INFO] [stderr]   --> src/value.rs:86:11
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub union Slot {
[INFO] [stderr]    |           ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `empty`, `from_func`, and `into_func` are never used
[INFO] [stderr]    --> src/value.rs:95:25
[INFO] [stderr]     |
[INFO] [stderr] 93  | impl Slot {
[INFO] [stderr]     | --------- associated items in this implementation
[INFO] [stderr] 94  |     /// A slot that's considered empty.
[INFO] [stderr] 95  |     pub(crate) const fn empty() -> Self {
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99  |     pub(crate) unsafe fn from_func(func: Rc<Func>) -> Self {
[INFO] [stderr]     |                          ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 105 |     pub(crate) unsafe fn into_func(self) -> Rc<Func> {
[INFO] [stderr]     |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `top` is never read
[INFO] [stderr]   --> src/vm.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct CallFrame {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 22 |     top: usize,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `grow_stack` is never used
[INFO] [stderr]   --> src/vm.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 54 | impl Vm {
[INFO] [stderr]    | ------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 69 |     fn grow_stack(&mut self, additional: usize) {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `err_func_expected` is never used
[INFO] [stderr]    --> src/vm.rs:253:4
[INFO] [stderr]     |
[INFO] [stderr] 253 | fn err_func_expected() -> Error {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `crow` (lib) generated 48 warnings (run `cargo fix --lib -p crow` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]    --> src/value.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let func = Rc::new(Func {
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `slot`
[INFO] [stderr]    --> src/vm.rs:216:21
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 let slot = vm.stack[callee_base].clone();
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_slot`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Lit` is never constructed
[INFO] [stderr]    --> src/ast.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 170 | pub enum TypeDef {
[INFO] [stderr]     |          ------- variant in this enum
[INFO] [stderr] 171 |     Alias(TypeName),
[INFO] [stderr] 172 |     Lit(TypeLit),
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TypeDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Outer` is never constructed
[INFO] [stderr]   --> src/object.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub enum UpValueOrigin {
[INFO] [stderr]    |          ------------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 92 |     Outer(u32), // up-value id
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `UpValueOrigin` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `into_string` is never used
[INFO] [stderr]    --> src/object.rs:190:12
[INFO] [stderr]     |
[INFO] [stderr] 180 | impl CrowStr {
[INFO] [stderr]     | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 190 |     pub fn into_string(self) -> String {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `crow` (lib test) generated 48 warnings (43 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crow-4282551986217440)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test lexer::test::test_doc_comment ... ok
[INFO] [stdout] test lexer::test::test_tokenisation_comparison ... ok
[INFO] [stdout] test lexer::test::test_tokenisation_punctuation ... ok
[INFO] [stdout] test tests::test_basic_call ... ok
[INFO] [stdout] test lexer::test::test_tokenisation_enclosing ... ok
[INFO] [stdout] test lexer::test::test_tokenisation_operators ... ok
[INFO] [stdout] test lexer::test::test_ignore_block_comment ... ok
[INFO] [stdout] test lexer::test::test_ignore_line_comment ... ok
[INFO] [stdout] test types::test::test_type_index ... ok
[INFO] [stdout] test lexer::test::test_tokenisation_keywords ... ok
[INFO] [stdout] test typechecker::test::test_typecheck_block ... ok
[INFO] [stdout] test tests::test_table ... ok
[INFO] [stdout] test op::test::test_op_size ... ok
[INFO] [stdout] test op::test::test_arg24 ... ok
[INFO] [stdout] test value::test::test_value_size ... ok
[INFO] [stdout] test value::test::test_slot ... ok
[INFO] [stdout] test typechecker::test::test_typecheck_expression ... ok
[INFO] [stdout] test tests::test_basic_math ... ok
[INFO] [stdout] test tests::test_basic_branch ... ok
[INFO] [stdout] test tests::test_recursion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.45s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_language.rs (/opt/rustwide/target/debug/deps/test_language-797ff70d8c041774)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_local_arithmetic ... ok
[INFO] [stdout] test test_core_hello_world ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_core_hello_world stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_core_hello_world' panicked at src/parser.rs:125:9:
[INFO] [stdout] not yet implemented: expression statement
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e947a2f66d2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e947a2f66d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e947a2f66d2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5e947a2f66d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5e947a31bbf3 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5e947a31bbf3 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5e947a2f3663 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e947a2f3663 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5e947a2f6522 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5e947a2f7c3c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5e947a2f7a92 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5e947a2bf454 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5e947a2bf454 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e947a2f861b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5e947a2f861b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5e947a2f83b6 - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:699:13
[INFO] [stdout]   16:     0x5e947a2f6bc9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5e947a2f807d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5e947a31a3c0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5e947a282835 - crow::parser::Parser::parse_expr_stmt::h41a2d0b70f3f3ef1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:125:9
[INFO] [stdout]   20:     0x5e947a28263b - crow::parser::Parser::parse_stmts::heae0be122005aef2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:89:31
[INFO] [stdout]   21:     0x5e947a28263b - crow::parser::Parser::parse_module::hbd011cc14cb5de05
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:74:25
[INFO] [stdout]   22:     0x5e947a27dbdf - crow::compile::hc3f9da92a788f177
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:29:24
[INFO] [stdout]   23:     0x5e947a27df1a - crow::compile_file::hfca5a2e9b89d0971
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:48:5
[INFO] [stdout]   24:     0x5e947a27cb1f - test_language::test_core_hello_world::h253c7fb44a57f215
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_language.rs:3:5
[INFO] [stdout]   25:     0x5e947a27cb1f - test_language::test_core_hello_world::{{closure}}::hd4d76045b445b7d2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_language.rs:2:27
[INFO] [stdout]   26:     0x5e947a27cb1f - core::ops::function::FnOnce::call_once::h28c58c9201e0ffa8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5e947a2c4b8b - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5e947a2c4b8b - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   29:     0x5e947a2c3dce - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   30:     0x5e947a2c3dce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   31:     0x5e947a2c3dce - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   32:     0x5e947a2c3dce - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   33:     0x5e947a2c3dce - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x5e947a2c3dce - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   35:     0x5e947a2c3dce - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   36:     0x5e947a287974 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   37:     0x5e947a287974 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   38:     0x5e947a28b31a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   39:     0x5e947a28b31a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   40:     0x5e947a28b31a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   41:     0x5e947a28b31a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   42:     0x5e947a28b31a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x5e947a28b31a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   44:     0x5e947a28b31a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x5e947a2fb577 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   46:     0x5e947a2fb577 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   47:     0x5e947a2fb577 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   48:     0x7d43e324daa4 - <unknown>
[INFO] [stdout]   49:     0x7d43e32daa34 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_core_hello_world
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test test_language`
[INFO] running `Command { std: "docker" "inspect" "80d35a9fca72e42c10ab6767030451c149296472d9563424f55b3798c8b7ec63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d35a9fca72e42c10ab6767030451c149296472d9563424f55b3798c8b7ec63", kill_on_drop: false }`
[INFO] [stdout] 80d35a9fca72e42c10ab6767030451c149296472d9563424f55b3798c8b7ec63
