[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 try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Fcrow-vm" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vangroan/crow-vm on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70bc1c734423d03343b7c451a0d39b75f4ffb1f59bbb313a142c98ed56fef5ee
[INFO] running `Command { std: "docker" "start" "-a" "70bc1c734423d03343b7c451a0d39b75f4ffb1f59bbb313a142c98ed56fef5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70bc1c734423d03343b7c451a0d39b75f4ffb1f59bbb313a142c98ed56fef5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70bc1c734423d03343b7c451a0d39b75f4ffb1f59bbb313a142c98ed56fef5ee", kill_on_drop: false }`
[INFO] [stdout] 70bc1c734423d03343b7c451a0d39b75f4ffb1f59bbb313a142c98ed56fef5ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b079bb0d21a99fe96a4a479ccd9f166971a0cdaf58cc91248213f1b9df2713c3
[INFO] running `Command { std: "docker" "start" "-a" "b079bb0d21a99fe96a4a479ccd9f166971a0cdaf58cc91248213f1b9df2713c3", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 1.40s
[INFO] running `Command { std: "docker" "inspect" "b079bb0d21a99fe96a4a479ccd9f166971a0cdaf58cc91248213f1b9df2713c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b079bb0d21a99fe96a4a479ccd9f166971a0cdaf58cc91248213f1b9df2713c3", kill_on_drop: false }`
[INFO] [stdout] b079bb0d21a99fe96a4a479ccd9f166971a0cdaf58cc91248213f1b9df2713c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca53491847cdc8376be0f7436cc1492110fdce641b2bcd6a88f4499a3dcb167
[INFO] running `Command { std: "docker" "start" "-a" "4ca53491847cdc8376be0f7436cc1492110fdce641b2bcd6a88f4499a3dcb167", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr]    Compiling crow v0.1.0 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 1.57s
[INFO] running `Command { std: "docker" "inspect" "4ca53491847cdc8376be0f7436cc1492110fdce641b2bcd6a88f4499a3dcb167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca53491847cdc8376be0f7436cc1492110fdce641b2bcd6a88f4499a3dcb167", kill_on_drop: false }`
[INFO] [stdout] 4ca53491847cdc8376be0f7436cc1492110fdce641b2bcd6a88f4499a3dcb167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a67ac5675284a11ab2dbdc9125867b1567555bf272a7d2c0d9d8ab95bd178ef2
[INFO] running `Command { std: "docker" "start" "-a" "a67ac5675284a11ab2dbdc9125867b1567555bf272a7d2c0d9d8ab95bd178ef2", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 2 suggestions)
[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)]` (part of `#[warn(unused)]`) 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) (run `cargo fix --lib -p crow --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crow-f9861c513935099d)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test lexer::test::test_doc_comment ... ok
[INFO] [stdout] test lexer::test::test_ignore_line_comment ... ok
[INFO] [stdout] test lexer::test::test_tokenisation_comparison ... ok
[INFO] [stdout] test lexer::test::test_tokenisation_enclosing ... ok
[INFO] [stdout] test lexer::test::test_tokenisation_keywords ... ok
[INFO] [stdout] test lexer::test::test_tokenisation_operators ... ok
[INFO] [stdout] test lexer::test::test_tokenisation_punctuation ... ok
[INFO] [stdout] test op::test::test_arg24 ... ok
[INFO] [stdout] test tests::test_basic_branch ... ok
[INFO] [stdout] test tests::test_basic_call ... ok
[INFO] [stdout] test op::test::test_op_size ... ok
[INFO] [stdout] test tests::test_basic_math ... ok
[INFO] [stdout] test typechecker::test::test_typecheck_block ... ok
[INFO] [stdout] test typechecker::test::test_typecheck_expression ... ok
[INFO] [stdout] test types::test::test_type_index ... ok
[INFO] [stdout] test value::test::test_value_size ... ok
[INFO] [stdout] test value::test::test_slot ... ok
[INFO] [stdout] test tests::test_table ... ok
[INFO] [stdout] test lexer::test::test_ignore_block_comment ... 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 3.40s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_language.rs (/opt/rustwide/target/debug/deps/test_language-b1a01bfb044f7fd4)
[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' (46) panicked at src/parser.rs:125:9:
[INFO] [stdout] not yet implemented: expression statement
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b12cdc0db72 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b12cdc0db72 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b12cdc0db72 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5b12cdc0db72 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5b12cdc1df8f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5b12cdc1df8f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr] error: test failed, to rerun pass `--test test_language`
[INFO] [stdout]    6:     0x5b12cdbdb643 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b12cdbdb643 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5b12cdbe73e2 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5b12cdbebebf - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5b12cdbebd51 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x5b12cdbae7be - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x5b12cdbae7be - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5b12cdbec4cf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x5b12cdbec4cf - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x5b12cdbec2f6 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x5b12cdbe7519 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5b12cdbcf6ad - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x5b12cdc25970 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5b12cdb8a29f - crow::parser::Parser::parse_expr_stmt::hffcbfccc196e7353
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:125:9
[INFO] [stdout]   20:     0x5b12cdb88895 - crow::parser::Parser::parse_stmts::hb4a55d461fe34534
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:89:31
[INFO] [stdout]   21:     0x5b12cdb88ce7 - crow::parser::Parser::parse_module::hc07bf4be0fb37dfe
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:74:25
[INFO] [stdout]   22:     0x5b12cdb86096 - crow::compile::h5b9eb627c17443fe
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:29:24
[INFO] [stdout]   23:     0x5b12cdb85fef - crow::compile_file::h3c9f262ba5f492c3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:48:5
[INFO] [stdout]   24:     0x5b12cdb746b9 - test_language::test_core_hello_world::hd704285852ec4ae0
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_language.rs:3:5
[INFO] [stdout]   25:     0x5b12cdb74767 - test_language::test_core_hello_world::{{closure}}::h1d2441722a45f11b
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_language.rs:2:27
[INFO] [stdout]   26:     0x5b12cdb749b6 - core::ops::function::FnOnce::call_once::hac33e2c11a7b5769
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x5b12cdbae5bb - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5b12cdbae5bb - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   29:     0x5b12cdbc261d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   30:     0x5b12cdbc261d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   31:     0x5b12cdbc261d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   32:     0x5b12cdbc261d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   33:     0x5b12cdbc261d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   34:     0x5b12cdbc261d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   35:     0x5b12cdbc261d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   36:     0x5b12cdb9bb64 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   37:     0x5b12cdb9bb64 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   38:     0x5b12cdb9f3ba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   39:     0x5b12cdb9f3ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   40:     0x5b12cdb9f3ba - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   41:     0x5b12cdb9f3ba - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   42:     0x5b12cdb9f3ba - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   43:     0x5b12cdb9f3ba - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   44:     0x5b12cdb9f3ba - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x5b12cdbe291f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   46:     0x5b12cdbe291f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   47:     0x7653cbc76aa4 - <unknown>
[INFO] [stdout]   48:     0x7653cbd03a64 - clone
[INFO] [stdout]   49:                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 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a67ac5675284a11ab2dbdc9125867b1567555bf272a7d2c0d9d8ab95bd178ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67ac5675284a11ab2dbdc9125867b1567555bf272a7d2c0d9d8ab95bd178ef2", kill_on_drop: false }`
[INFO] [stdout] a67ac5675284a11ab2dbdc9125867b1567555bf272a7d2c0d9d8ab95bd178ef2
