[INFO] cloning repository https://github.com/baevm/monkey-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baevm/monkey-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaevm%2Fmonkey-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaevm%2Fmonkey-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99bdd3d82a0a622994ac328bb7fe6d7171e7dac1
[INFO] checking baevm/monkey-rust/99bdd3d82a0a622994ac328bb7fe6d7171e7dac1 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaevm%2Fmonkey-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/baevm/monkey-rust on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/baevm/monkey-rust
[INFO] finished tweaking git repo https://github.com/baevm/monkey-rust
[INFO] tweaked toml for git repo https://github.com/baevm/monkey-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/baevm/monkey-rust 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9d9441c7fe30e2735bb4003638d57cea24912658dcc5425c39d1c99c4a97ce3
[INFO] running `Command { std: "docker" "start" "-a" "e9d9441c7fe30e2735bb4003638d57cea24912658dcc5425c39d1c99c4a97ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9d9441c7fe30e2735bb4003638d57cea24912658dcc5425c39d1c99c4a97ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9d9441c7fe30e2735bb4003638d57cea24912658dcc5425c39d1c99c4a97ce3", kill_on_drop: false }`
[INFO] [stdout] e9d9441c7fe30e2735bb4003638d57cea24912658dcc5425c39d1c99c4a97ce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cde20528f028f0b8ce43649da3a878ea9250a655b756a887223a7b5173fa7dd8
[INFO] running `Command { std: "docker" "start" "-a" "cde20528f028f0b8ce43649da3a878ea9250a655b756a887223a7b5173fa7dd8", kill_on_drop: false }`
[INFO] [stderr]     Checking monkey-lang-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Expression`, `Identifier`, `Kind`, `LetStatement`, `Token`, and `ast::Node`
[INFO] [stdout]   --> src/ast/ast.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |         ast::{ast::Node, Expression, Identifier, LetStatement},
[INFO] [stdout]    |               ^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 36 |         token::{Kind, Token},
[INFO] [stdout]    |                 ^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Program` and `Statement`
[INFO] [stdout]   --> src/ast/ast.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use super::{Program, Statement};
[INFO] [stdout]    |                 ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token`
[INFO] [stdout]    --> src/lexer/lexer.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     use crate::token;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Lexer`
[INFO] [stdout]    --> src/lexer/lexer.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |     use super::Lexer;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Identifier`, `IntegerLiteral`, `PrefixExpression`, and `InfixExpression` are never constructed
[INFO] [stdout]   --> src/ast/expression.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Expression {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 7  |     Identifier(Identifier),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 8  |     IntegerLiteral(IntegerLiteral),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     PrefixExpression(PrefixExpression),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     InfixExpression(InfixExpression),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expression` has derived impls for the traits `Clone` and `Debug`, 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: field `value` is never read
[INFO] [stdout]   --> src/ast/expression.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct IntegerLiteral {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 55 |     pub token: Token, // token.Number
[INFO] [stdout] 56 |     pub value: i64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IntegerLiteral` 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: variants `LetStatement`, `ReturnStatement`, and `ExpressionStatement` are never constructed
[INFO] [stdout]  --> src/ast/statement.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Statement {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 7 |     LetStatement(LetStatement),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 8 |     ReturnStatement(ReturnStatement),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     ExpressionStatement(ExpressionStatement),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Statement` 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 `Parser` is never constructed
[INFO] [stdout]  --> src/parser/parser.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Parser {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Precedence` is never used
[INFO] [stdout]   --> src/parser/parser.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Precedence {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_precedence_for_token` is never used
[INFO] [stdout]   --> src/parser/parser.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Precedence {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 29 |     fn get_precedence_for_token(kind: Kind) -> Precedence {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/parser/parser.rs:45:12
[INFO] [stdout]     |
[INFO] [stdout] 44  | impl Parser {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 45  |     pub fn new(lexer: Lexer) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 60  |     pub fn parse_program(&mut self) -> Program {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76  |     fn next_token(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81  |     fn parse_statement(&mut self) -> Option<Statement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89  |     fn parse_expression(&mut self, precedence: Precedence) -> Option<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn get_parsed_prefix_expression(&mut self, kind: Kind) -> Option<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     fn get_parsed_infix_expression(&mut self, kind: Kind, left: Expression) -> Option<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |     fn parse_let_statement(&mut self) -> Option<Statement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     fn parse_return_statement(&mut self) -> Option<Statement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |     fn parse_expression_statement(&mut self) -> Option<Statement> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 210 |     fn parse_integer_literal(&mut self) -> Option<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 |     fn parse_prefix_expression(&mut self) -> Option<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 249 |     fn parse_infix_expression(&mut self, left: Expression) -> Option<Expression> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 269 |     fn expect_peek(&mut self, expected: Kind) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 279 |     fn is_curr_token(&self, expected: Kind) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 283 |     fn is_peek_token(&self, expected: Kind) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 287 |     fn peek_error(&mut self, token: Kind) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 295 |     fn errors(&self) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 299 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 305 |     fn curr_precedence(&self) -> Precedence {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_str` is never used
[INFO] [stdout]   --> src/token/token.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Kind {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 49 |     pub fn to_str(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Call` is never constructed
[INFO] [stdout]   --> src/parser/parser.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum Precedence {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 25 |     Call,        // foo_function()
[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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_str` is never used
[INFO] [stdout]   --> src/token/token.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Kind {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 49 |     pub fn to_str(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "cde20528f028f0b8ce43649da3a878ea9250a655b756a887223a7b5173fa7dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde20528f028f0b8ce43649da3a878ea9250a655b756a887223a7b5173fa7dd8", kill_on_drop: false }`
[INFO] [stdout] cde20528f028f0b8ce43649da3a878ea9250a655b756a887223a7b5173fa7dd8