[INFO] cloning repository https://github.com/sandeshbhusal/blimp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sandeshbhusal/blimp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandeshbhusal%2Fblimp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandeshbhusal%2Fblimp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f621627ce23a6a4323f74d0db6bfeee83a3cb7b
[INFO] checking sandeshbhusal/blimp against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsandeshbhusal%2Fblimp" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sandeshbhusal/blimp
[INFO] finished tweaking git repo https://github.com/sandeshbhusal/blimp
[INFO] tweaked toml for git repo https://github.com/sandeshbhusal/blimp written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sandeshbhusal/blimp on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sandeshbhusal/blimp 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-module v0.113.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7c813c5adca732065264a94d9b9be8c65476387c9b7f0623fc0e4024bdd8e5a
[INFO] running `Command { std: "docker" "start" "-a" "b7c813c5adca732065264a94d9b9be8c65476387c9b7f0623fc0e4024bdd8e5a", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "b7c813c5adca732065264a94d9b9be8c65476387c9b7f0623fc0e4024bdd8e5a", kill_on_drop: false }`
[INFO] [stdout] b7c813c5adca732065264a94d9b9be8c65476387c9b7f0623fc0e4024bdd8e5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51f86694548c54ebbcbfc1475e051ec76bb67c389b67dbed03c04cbc66b31812
[INFO] running `Command { std: "docker" "start" "-a" "51f86694548c54ebbcbfc1475e051ec76bb67c389b67dbed03c04cbc66b31812", kill_on_drop: false }`
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[INFO] [stderr]    Compiling syn v2.0.87
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[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::BTreeMap;
[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 import: `std::time::Instant`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fasteval::Compiler`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use fasteval::Compiler;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fasteval::Evaler`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use fasteval::Evaler;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random::Source`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use random::Source;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::*`
[INFO] [stdout]  --> src/codegen.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ast::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::BTreeMap;
[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 import: `std::time::Instant`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fasteval::Compiler`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use fasteval::Compiler;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fasteval::Evaler`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use fasteval::Evaler;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random::Source`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use random::Source;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::*`
[INFO] [stdout]  --> src/codegen.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ast::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tok`
[INFO] [stdout]    --> src/parser.rs:220:18
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Some(tok) => {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_tok`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/typecheck.rs:105:27
[INFO] [stdout]     |
[INFO] [stdout] 105 |             Expr::Unary { op, operand } => {
[INFO] [stdout]     |                           ^^ help: try ignoring the field: `op: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/typecheck.rs:216:35
[INFO] [stdout]     |
[INFO] [stdout] 216 |             Stmt::ReturnStatement(expr) => {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_name`
[INFO] [stdout]   --> src/interpreter.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Expr::FuncCall { func_name, params } => {
[INFO] [stdout]    |                              ^^^^^^^^^ help: try ignoring the field: `func_name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/interpreter.rs:42:41
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Expr::FuncCall { func_name, params } => {
[INFO] [stdout]    |                                         ^^^^^^ help: try ignoring the field: `params: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/interpreter.rs:69:27
[INFO] [stdout]    |
[INFO] [stdout] 69 |             Expr::Unary { op, operand } => {
[INFO] [stdout]    |                           ^^ help: try ignoring the field: `op: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operand`
[INFO] [stdout]   --> src/interpreter.rs:69:31
[INFO] [stdout]    |
[INFO] [stdout] 69 |             Expr::Unary { op, operand } => {
[INFO] [stdout]    |                               ^^^^^^^ help: try ignoring the field: `operand: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tok`
[INFO] [stdout]    --> src/parser.rs:220:18
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Some(tok) => {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_tok`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:427:13
[INFO] [stdout]     |
[INFO] [stdout] 427 |         let mut parser = Parser {
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parser`
[INFO] [stdout]    --> src/parser.rs:427:13
[INFO] [stdout]     |
[INFO] [stdout] 427 |         let mut parser = Parser {
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `interpreter::Environment` is more private than the item `Interpreter`
[INFO] [stdout]   --> src/interpreter.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Interpreter<T>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ struct `Interpreter` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `interpreter::Environment` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/interpreter.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Environment {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/typecheck.rs:105:27
[INFO] [stdout]     |
[INFO] [stdout] 105 |             Expr::Unary { op, operand } => {
[INFO] [stdout]     |                           ^^ help: try ignoring the field: `op: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `interpreter::Environment` is more private than the item `Interpreter<T>`
[INFO] [stdout]   --> src/interpreter.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / impl<T> Interpreter<T>
[INFO] [stdout] 30 | | where
[INFO] [stdout] 31 | |     T: Environment,
[INFO] [stdout]    | |___________________^ implementation `Interpreter<T>` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `interpreter::Environment` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/interpreter.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Environment {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RvalType` is never used
[INFO] [stdout]   --> src/main.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | type RvalType = extern "C" fn(f64, f64) -> f64;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile` is never used
[INFO] [stdout]   --> src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn compile() -> RvalType {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZE` is never used
[INFO] [stdout]   --> src/main.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 | const SIZE: usize = 100_000_000;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/typecheck.rs:216:35
[INFO] [stdout]     |
[INFO] [stdout] 216 |             Stmt::ReturnStatement(expr) => {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     I32(i32),           // Integer literal
[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] 24 -     I32(i32),           // Integer literal
[INFO] [stdout] 24 +     I32(()),           // Integer literal
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     F32(f32),           // Float literal
[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] 25 -     F32(f32),           // Float literal
[INFO] [stdout] 25 +     F32(()),           // Float literal
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Identifier(String), // Variable identifier
[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] 26 -     Identifier(String), // Variable identifier
[INFO] [stdout] 26 +     Identifier(()), // Variable identifier
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `func_name` and `params` are never read
[INFO] [stdout]   --> src/ast.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     FuncCall {
[INFO] [stdout]    |     -------- fields in this variant
[INFO] [stdout] 28 |         // Function call with name and parameters
[INFO] [stdout] 29 |         func_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 30 |         params: Vec<Expr>,
[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: fields `lhs`, `rhs`, and `op` are never read
[INFO] [stdout]   --> src/ast.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Binary {
[INFO] [stdout]    |     ------ fields in this variant
[INFO] [stdout] 33 |         // Binary expression with lhs, rhs and operator
[INFO] [stdout] 34 |         lhs: Box<Expr>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 35 |         rhs: Box<Expr>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 36 |         op: Op,
[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: fields `op` and `operand` are never read
[INFO] [stdout]   --> src/ast.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Unary {
[INFO] [stdout]    |     ----- fields in this variant
[INFO] [stdout] 39 |         op: Op,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 40 |         operand: Box<Expr>,
[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: fields `func_name`, `params`, `return_type`, and `body` are never read
[INFO] [stdout]   --> src/ast.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     FuncDecl {
[INFO] [stdout]    |     -------- fields in this variant
[INFO] [stdout] 81 |         func_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 82 |         params: ParamList,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 83 |         return_type: TypeDecl,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 84 |         body: Box<Stmt>,
[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: fields `cond`, `true_branch`, and `false_branch` are never read
[INFO] [stdout]   --> src/ast.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     IfStatement {
[INFO] [stdout]    |     ----------- fields in this variant
[INFO] [stdout] 88 |         cond: Expr,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 89 |         true_branch: Box<Stmt>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 90 |         false_branch: Option<Box<Stmt>>,
[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: fields `decl` and `init` are never read
[INFO] [stdout]   --> src/ast.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     LetStatement {
[INFO] [stdout]    |     ------------ fields in this variant
[INFO] [stdout] 94 |         decl: VariableDeclaration,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 95 |         init: Expr,
[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: fields `lvalue` and `rvalue` are never read
[INFO] [stdout]    --> src/ast.rs:99:9
[INFO] [stdout]     |
[INFO] [stdout]  98 |     SetStatement {
[INFO] [stdout]     |     ------------ fields in this variant
[INFO] [stdout]  99 |         lvalue: String,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 100 |         rvalue: Expr,
[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: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:103:11
[INFO] [stdout]     |
[INFO] [stdout] 103 |     Block(Vec<Stmt>),
[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] 103 -     Block(Vec<Stmt>),
[INFO] [stdout] 103 +     Block(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond` and `body` are never read
[INFO] [stdout]    --> src/ast.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     WhileStatement {
[INFO] [stdout]     |     -------------- fields in this variant
[INFO] [stdout] 106 |         cond: Box<Expr>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 107 |         body: Box<Stmt>,
[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: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |     ReturnStatement(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] 110 -     ReturnStatement(Expr),
[INFO] [stdout] 110 +     ReturnStatement(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `PATTERN_MAP` is never used
[INFO] [stdout]   --> src/lexer.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | static PATTERN_MAP: LazyLock<IndexMap<&'static str, TokenType>> = LazyLock::new(|| {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `end` is never read
[INFO] [stdout]   --> src/lexer.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub(crate) struct Token {
[INFO] [stdout]    |                   ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub end: usize,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` 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: function `lexer` is never used
[INFO] [stdout]    --> src/lexer.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn lexer(input: &str) -> Result<Vec<Token>, (Vec<Token>, String)> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CodeGeneration` is never constructed
[INFO] [stdout]  --> src/codegen.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct CodeGeneration {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Environment` is never constructed
[INFO] [stdout]  --> src/typecheck.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Environment {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TypeCheckInfo` is never constructed
[INFO] [stdout]   --> src/typecheck.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct TypeCheckInfo {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `typecheck_expr`, and `typecheck_statement` are never used
[INFO] [stdout]    --> src/typecheck.rs:19:8
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl TypeCheckInfo {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout]  19 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  26 |     fn typecheck_expr(&self, expr: &Expr) -> TypeDecl {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn typecheck_statement(&mut self, stmt: &Stmt) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]  --> src/value.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Value {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_truthy` is never used
[INFO] [stdout]    --> src/value.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Value {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 112 |     pub fn is_truthy(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Interpreter` is never constructed
[INFO] [stdout]  --> src/interpreter.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Interpreter<T>
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Environment` is never used
[INFO] [stdout]   --> src/interpreter.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Environment {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `eval_expr` are never used
[INFO] [stdout]   --> src/interpreter.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | / impl<T> Interpreter<T>
[INFO] [stdout] 30 | | where
[INFO] [stdout] 31 | |     T: Environment,
[INFO] [stdout]    | |___________________- associated items in this implementation
[INFO] [stdout] 32 |   {
[INFO] [stdout] 33 |       pub fn new(environment: T) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |       fn eval_expr(&self, expr: Expr) -> Value {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_name`
[INFO] [stdout]   --> src/interpreter.rs:42:30
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Expr::FuncCall { func_name, params } => {
[INFO] [stdout]    |                              ^^^^^^^^^ help: try ignoring the field: `func_name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/interpreter.rs:42:41
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Expr::FuncCall { func_name, params } => {
[INFO] [stdout]    |                                         ^^^^^^ help: try ignoring the field: `params: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/interpreter.rs:69:27
[INFO] [stdout]    |
[INFO] [stdout] 69 |             Expr::Unary { op, operand } => {
[INFO] [stdout]    |                           ^^ help: try ignoring the field: `op: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operand`
[INFO] [stdout]   --> src/interpreter.rs:69:31
[INFO] [stdout]    |
[INFO] [stdout] 69 |             Expr::Unary { op, operand } => {
[INFO] [stdout]    |                               ^^^^^^^ help: try ignoring the field: `operand: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `interpreter::Environment` is more private than the item `Interpreter`
[INFO] [stdout]   --> src/interpreter.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Interpreter<T>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ struct `Interpreter` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `interpreter::Environment` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/interpreter.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Environment {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `interpreter::Environment` is more private than the item `Interpreter<T>`
[INFO] [stdout]   --> src/interpreter.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / impl<T> Interpreter<T>
[INFO] [stdout] 30 | | where
[INFO] [stdout] 31 | |     T: Environment,
[INFO] [stdout]    | |___________________^ implementation `Interpreter<T>` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `interpreter::Environment` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/interpreter.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Environment {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RvalType` is never used
[INFO] [stdout]   --> src/main.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | type RvalType = extern "C" fn(f64, f64) -> f64;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile` is never used
[INFO] [stdout]   --> src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn compile() -> RvalType {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZE` is never used
[INFO] [stdout]   --> src/main.rs:61:7
[INFO] [stdout]    |
[INFO] [stdout] 61 | const SIZE: usize = 100_000_000;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `end` is never read
[INFO] [stdout]   --> src/lexer.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub(crate) struct Token {
[INFO] [stdout]    |                   ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub end: usize,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` 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: struct `CodeGeneration` is never constructed
[INFO] [stdout]  --> src/codegen.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct CodeGeneration {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_truthy` is never used
[INFO] [stdout]    --> src/value.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Value {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 112 |     pub fn is_truthy(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set` is never used
[INFO] [stdout]   --> src/interpreter.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Environment {
[INFO] [stdout]    |       ----------- method in this trait
[INFO] [stdout] 13 |     fn get(&self, identifier: &str) -> Value;
[INFO] [stdout] 14 |     fn set(&mut self, identifier: &str, value: Value);
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.61s
[INFO] running `Command { std: "docker" "inspect" "51f86694548c54ebbcbfc1475e051ec76bb67c389b67dbed03c04cbc66b31812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f86694548c54ebbcbfc1475e051ec76bb67c389b67dbed03c04cbc66b31812", kill_on_drop: false }`
[INFO] [stdout] 51f86694548c54ebbcbfc1475e051ec76bb67c389b67dbed03c04cbc66b31812
