[INFO] cloning repository https://github.com/aryuuu/monkey-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aryuuu/monkey-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faryuuu%2Fmonkey-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faryuuu%2Fmonkey-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 422b33a67b0d7afd78241aa8d9c2d79dc9ade897
[INFO] checking aryuuu/monkey-lang against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faryuuu%2Fmonkey-lang" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aryuuu/monkey-lang
[INFO] finished tweaking git repo https://github.com/aryuuu/monkey-lang
[INFO] tweaked toml for git repo https://github.com/aryuuu/monkey-lang written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aryuuu/monkey-lang on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aryuuu/monkey-lang 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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 377fa7b113eb2f3dc772b02048456f1a33ba3f5b5bd7f5634f97df83b45334db
[INFO] running `Command { std: "docker" "start" "-a" "377fa7b113eb2f3dc772b02048456f1a33ba3f5b5bd7f5634f97df83b45334db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "377fa7b113eb2f3dc772b02048456f1a33ba3f5b5bd7f5634f97df83b45334db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377fa7b113eb2f3dc772b02048456f1a33ba3f5b5bd7f5634f97df83b45334db", kill_on_drop: false }`
[INFO] [stdout] 377fa7b113eb2f3dc772b02048456f1a33ba3f5b5bd7f5634f97df83b45334db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4185d1fd68958dd1cf4b26e6e19ad8e1e4607cbe5020a6057160267a7a731c16
[INFO] running `Command { std: "docker" "start" "-a" "4185d1fd68958dd1cf4b26e6e19ad8e1e4607cbe5020a6057160267a7a731c16", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking monkey-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::token`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::token;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `lexer::Lexer` and `parser::Parser`
[INFO] [stdout]  --> src/evaluator/mod.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{ast, lexer::Lexer, parser::Parser};
[INFO] [stdout]   |                  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast`
[INFO] [stdout]  --> src/repl.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{ast, evaluator, parser::Parser};
[INFO] [stdout]   |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Token`
[INFO] [stdout]  --> src/repl.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::token;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast`
[INFO] [stdout]  --> src/repl.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{ast, evaluator, parser::Parser};
[INFO] [stdout]   |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Token`
[INFO] [stdout]  --> src/repl.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator/mod.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             _ => todo!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/evaluator/mod.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             ast::Statement::Expression(expr) => self.eval_expression_statement(expr),
[INFO] [stdout]    |             -------------------------------- matches some of the same values
[INFO] [stdout] 36 |             ast::Statement::Return(expr) => self.eval_return_statement(expr),
[INFO] [stdout]    |             ---------------------------- matches some of the same values
[INFO] [stdout] 37 |             ast::Statement::Let(ident, expr) => self.eval_let_statement(ident, expr),
[INFO] [stdout]    |             -------------------------------- matches some of the same values
[INFO] [stdout] 38 |             _ => todo!(),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator/mod.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             _ => todo!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/evaluator/mod.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             ast::Expression::Identifier(ident) => {
[INFO] [stdout]    |             ---------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 48 |             ast::Expression::String(string) => Some(object::Object::String(string)),
[INFO] [stdout]    |             ------------------------------- matches some of the same values
[INFO] [stdout] 49 |             ast::Expression::Integer(val) => Some(object::Object::Integer(val as i64)),
[INFO] [stdout]    |             ----------------------------- matches some of the same values
[INFO] [stdout] 50 |             ast::Expression::Boolean(val) => Some(object::Object::Boolean(val)),
[INFO] [stdout]    |             ----------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 88 |             _ => todo!(),
[INFO] [stdout]    |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/evaluator/mod.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             _ => todo!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/evaluator/mod.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 185 |             ast::Prefix::Not => self.eval_not_operator_expression(right),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 186 |             ast::Prefix::Minus => self.eval_minus_operator_expression(right),
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] 187 |             _ => todo!(),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Call` is never constructed
[INFO] [stdout]   --> src/ast.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub enum Infix {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 60 |     Call,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Infix` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Index` is never constructed
[INFO] [stdout]   --> src/ast.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub enum Precedence {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 72 |     Index,       // array[index]
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Precedence` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]    --> src/parser.rs:858:34
[INFO] [stdout]     |
[INFO] [stdout] 858 |     fn test_if_expression_helper(expression: &ast::Expression, expected: &ast::Expression) {}
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/parser.rs:858:64
[INFO] [stdout]     |
[INFO] [stdout] 858 |     fn test_if_expression_helper(expression: &ast::Expression, expected: &ast::Expression) {}
[INFO] [stdout]     |                                                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/parser.rs:1280:13
[INFO] [stdout]      |
[INFO] [stdout] 1279 |             ast::Identifier(name) => name,
[INFO] [stdout]      |             --------------------- matches any value
[INFO] [stdout] 1280 |             _ => panic!("should be Identifier"),
[INFO] [stdout]      |             ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator/mod.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             _ => todo!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/evaluator/mod.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             ast::Statement::Expression(expr) => self.eval_expression_statement(expr),
[INFO] [stdout]    |             -------------------------------- matches some of the same values
[INFO] [stdout] 36 |             ast::Statement::Return(expr) => self.eval_return_statement(expr),
[INFO] [stdout]    |             ---------------------------- matches some of the same values
[INFO] [stdout] 37 |             ast::Statement::Let(ident, expr) => self.eval_let_statement(ident, expr),
[INFO] [stdout]    |             -------------------------------- matches some of the same values
[INFO] [stdout] 38 |             _ => todo!(),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator/mod.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             _ => todo!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/evaluator/mod.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |             ast::Expression::Identifier(ident) => {
[INFO] [stdout]    |             ---------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 48 |             ast::Expression::String(string) => Some(object::Object::String(string)),
[INFO] [stdout]    |             ------------------------------- matches some of the same values
[INFO] [stdout] 49 |             ast::Expression::Integer(val) => Some(object::Object::Integer(val as i64)),
[INFO] [stdout]    |             ----------------------------- matches some of the same values
[INFO] [stdout] 50 |             ast::Expression::Boolean(val) => Some(object::Object::Boolean(val)),
[INFO] [stdout]    |             ----------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 88 |             _ => todo!(),
[INFO] [stdout]    |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/evaluator/mod.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             _ => todo!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/evaluator/mod.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 185 |             ast::Prefix::Not => self.eval_not_operator_expression(right),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 186 |             ast::Prefix::Minus => self.eval_minus_operator_expression(right),
[INFO] [stdout]     |             ------------------ matches some of the same values
[INFO] [stdout] 187 |             _ => todo!(),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Call` is never constructed
[INFO] [stdout]   --> src/ast.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub enum Infix {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 60 |     Call,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Infix` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Index` is never constructed
[INFO] [stdout]   --> src/ast.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub enum Precedence {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 72 |     Index,       // array[index]
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Precedence` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_let_statement_helper` is never used
[INFO] [stdout]     --> src/parser.rs:1273:8
[INFO] [stdout]      |
[INFO] [stdout] 1273 |     fn test_let_statement_helper(statement: ast::Statement, identifier: String) {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.91s
[INFO] running `Command { std: "docker" "inspect" "4185d1fd68958dd1cf4b26e6e19ad8e1e4607cbe5020a6057160267a7a731c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4185d1fd68958dd1cf4b26e6e19ad8e1e4607cbe5020a6057160267a7a731c16", kill_on_drop: false }`
[INFO] [stdout] 4185d1fd68958dd1cf4b26e6e19ad8e1e4607cbe5020a6057160267a7a731c16
