[INFO] cloning repository https://github.com/tdzienniak/rslox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tdzienniak/rslox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdzienniak%2Frslox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdzienniak%2Frslox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff6d19aa8bfd9408226656082ff737c29f074981
[INFO] testing tdzienniak/rslox against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdzienniak%2Frslox" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tdzienniak/rslox
[INFO] finished tweaking git repo https://github.com/tdzienniak/rslox
[INFO] tweaked toml for git repo https://github.com/tdzienniak/rslox written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tdzienniak/rslox on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tdzienniak/rslox 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" "+beta-2026-03-05" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing tdzienniak/rslox against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdzienniak%2Frslox" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tdzienniak/rslox
[INFO] finished tweaking git repo https://github.com/tdzienniak/rslox
[INFO] tweaked toml for git repo https://github.com/tdzienniak/rslox written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tdzienniak/rslox on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tdzienniak/rslox 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" "+beta-2026-03-05" "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 anyhow v1.0.76
[INFO] [stderr]   Downloaded thiserror-impl v1.0.51
[INFO] [stderr]   Downloaded thiserror v1.0.51
[INFO] [stderr]   Downloaded clap_builder v4.4.9
[INFO] [stderr]   Downloaded clap v4.4.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c6d6e2cc86c2aaca9999c67b0e7cba3bbc047ac15f5fecc9f91b84edb347bbb
[INFO] running `Command { std: "docker" "start" "-a" "5c6d6e2cc86c2aaca9999c67b0e7cba3bbc047ac15f5fecc9f91b84edb347bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c6d6e2cc86c2aaca9999c67b0e7cba3bbc047ac15f5fecc9f91b84edb347bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6d6e2cc86c2aaca9999c67b0e7cba3bbc047ac15f5fecc9f91b84edb347bbb", kill_on_drop: false }`
[INFO] [stdout] 5c6d6e2cc86c2aaca9999c67b0e7cba3bbc047ac15f5fecc9f91b84edb347bbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 299c5d6c645ad5506a615d4ca662cadc41ace270644fc3f6bd6c0293f5e6f2fa
[INFO] running `Command { std: "docker" "start" "-a" "299c5d6c645ad5506a615d4ca662cadc41ace270644fc3f6bd6c0293f5e6f2fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.76
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.89
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
[INFO] [stderr]    Compiling clap_builder v4.4.9
[INFO] [stderr]    Compiling scanner v0.1.0 (/opt/rustwide/workdir/scanner)
[INFO] [stderr]    Compiling tree_walking v0.1.0 (/opt/rustwide/workdir/tree_walking)
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/rustwide/workdir/vm)
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> tree_walking/src/ast_printer.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         function,
[INFO] [stdout]    |         ^^^^^^^^ help: try ignoring the field: `function: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> tree_walking/src/ast_printer.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         arguments,
[INFO] [stdout]    |         ^^^^^^^^^ help: try ignoring the field: `arguments: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interpreter`
[INFO] [stdout]   --> tree_walking/src/interpreter.rs:27:46
[INFO] [stdout]    |
[INFO] [stdout] 27 |   fn call(&self, _arguments: Vec<Rc<Value>>, interpreter: &mut Interpreter) -> Result<Rc<Value>> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interpreter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Return` is never constructed
[INFO] [stdout]  --> vm/src/chunk.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) enum Opcode {
[INFO] [stdout]   |                 ------ variant in this enum
[INFO] [stdout] 6 |   Return,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Opcode` has a derived impl for the trait `Clone`, 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 `errors` is never read
[INFO] [stdout]   --> vm/src/parser.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) struct Parser {
[INFO] [stdout]    |                   ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |   errors: Vec<SyntaxError>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interpreter`
[INFO] [stdout]   --> tree_walking/src/interpreter.rs:41:45
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn call(&self, arguments: Vec<Rc<Value>>, interpreter: &mut Interpreter) -> Result<Rc<Value>> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interpreter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Printer` is never used
[INFO] [stdout]  --> tree_walking/src/ast_printer.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) trait Printer {
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AssignmentToUndeclaredVariable` is never constructed
[INFO] [stdout]   --> tree_walking/src/errors.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub(crate) enum RuntimeError {
[INFO] [stdout]    |                 ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |   AssignmentToUndeclaredVariable { identifier: String },
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` 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 `name` is never read
[INFO] [stdout]   --> tree_walking/src/interpreter.rs:58:3
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub(crate) struct Fun {
[INFO] [stdout]    |                   --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |   name: String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_greater_than` and `is_lesser_than` are never used
[INFO] [stdout]    --> tree_walking/src/interpreter.rs:143:6
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl Value {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 143 |   fn is_greater_than(&self, other: &Value) -> Result<bool> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |   fn is_lesser_than(&self, other: &Value) -> Result<bool> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.89
[INFO] [stderr]    Compiling clap v4.4.9
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir/playground)
[INFO] [stderr]    Compiling cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.48s
[INFO] running `Command { std: "docker" "inspect" "299c5d6c645ad5506a615d4ca662cadc41ace270644fc3f6bd6c0293f5e6f2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "299c5d6c645ad5506a615d4ca662cadc41ace270644fc3f6bd6c0293f5e6f2fa", kill_on_drop: false }`
[INFO] [stdout] 299c5d6c645ad5506a615d4ca662cadc41ace270644fc3f6bd6c0293f5e6f2fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7567179cae4b9cd15d97e847253e18e3bd6504e1a99302ac17c16e025116fe6
[INFO] running `Command { std: "docker" "start" "-a" "f7567179cae4b9cd15d97e847253e18e3bd6504e1a99302ac17c16e025116fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling scanner v0.1.0 (/opt/rustwide/workdir/scanner)
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> tree_walking/src/ast_printer.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         function,
[INFO] [stdout]    |         ^^^^^^^^ help: try ignoring the field: `function: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> tree_walking/src/ast_printer.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         arguments,
[INFO] [stdout]    |         ^^^^^^^^^ help: try ignoring the field: `arguments: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interpreter`
[INFO] [stdout]   --> tree_walking/src/interpreter.rs:27:46
[INFO] [stdout]    |
[INFO] [stdout] 27 |   fn call(&self, _arguments: Vec<Rc<Value>>, interpreter: &mut Interpreter) -> Result<Rc<Value>> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interpreter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interpreter`
[INFO] [stdout]   --> tree_walking/src/interpreter.rs:41:45
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn call(&self, arguments: Vec<Rc<Value>>, interpreter: &mut Interpreter) -> Result<Rc<Value>> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interpreter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Printer` is never used
[INFO] [stdout]  --> tree_walking/src/ast_printer.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) trait Printer {
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AssignmentToUndeclaredVariable` is never constructed
[INFO] [stdout]   --> tree_walking/src/errors.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub(crate) enum RuntimeError {
[INFO] [stdout]    |                 ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |   AssignmentToUndeclaredVariable { identifier: String },
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RuntimeError` 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 `name` is never read
[INFO] [stdout]   --> tree_walking/src/interpreter.rs:58:3
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub(crate) struct Fun {
[INFO] [stdout]    |                   --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |   name: String,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_greater_than` and `is_lesser_than` are never used
[INFO] [stdout]    --> tree_walking/src/interpreter.rs:143:6
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl Value {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 143 |   fn is_greater_than(&self, other: &Value) -> Result<bool> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |   fn is_lesser_than(&self, other: &Value) -> Result<bool> {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Return` is never constructed
[INFO] [stdout]  --> vm/src/chunk.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) enum Opcode {
[INFO] [stdout]   |                 ------ variant in this enum
[INFO] [stdout] 6 |   Return,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Opcode` has a derived impl for the trait `Clone`, 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 `errors` is never read
[INFO] [stdout]   --> vm/src/parser.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) struct Parser {
[INFO] [stdout]    |                   ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |   errors: Vec<SyntaxError>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/rustwide/workdir/vm)
[INFO] [stderr]    Compiling tree_walking v0.1.0 (/opt/rustwide/workdir/tree_walking)
[INFO] [stderr]    Compiling cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir/playground)
[INFO] [stdout] error[E0432]: unresolved import `crate::scanner`
[INFO] [stdout]    --> tree_walking/src/parser.rs:711:37
[INFO] [stdout]     |
[INFO] [stdout] 711 |   use crate::{ast_printer::Printer, scanner::Scanner};
[INFO] [stdout]     |                                     ^^^^^^^ could not find `scanner` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> tree_walking/src/environment.rs:66:7
[INFO] [stdout]    |
[INFO] [stdout] 66 |   use super::*;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `errors` is never read
[INFO] [stdout]   --> vm/src/parser.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) struct Parser {
[INFO] [stdout]    |                   ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |   errors: Vec<SyntaxError>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> tree_walking/src/ast_printer.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         function,
[INFO] [stdout]    |         ^^^^^^^^ help: try ignoring the field: `function: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arguments`
[INFO] [stdout]   --> tree_walking/src/ast_printer.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         arguments,
[INFO] [stdout]    |         ^^^^^^^^^ help: try ignoring the field: `arguments: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interpreter`
[INFO] [stdout]   --> tree_walking/src/interpreter.rs:27:46
[INFO] [stdout]    |
[INFO] [stdout] 27 |   fn call(&self, _arguments: Vec<Rc<Value>>, interpreter: &mut Interpreter) -> Result<Rc<Value>> {
[INFO] [stdout]    |                                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interpreter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interpreter`
[INFO] [stdout]   --> tree_walking/src/interpreter.rs:41:45
[INFO] [stdout]    |
[INFO] [stdout] 41 |   fn call(&self, arguments: Vec<Rc<Value>>, interpreter: &mut Interpreter) -> Result<Rc<Value>> {
[INFO] [stdout]    |                                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interpreter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tree_walking` (lib test) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f7567179cae4b9cd15d97e847253e18e3bd6504e1a99302ac17c16e025116fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7567179cae4b9cd15d97e847253e18e3bd6504e1a99302ac17c16e025116fe6", kill_on_drop: false }`
[INFO] [stdout] f7567179cae4b9cd15d97e847253e18e3bd6504e1a99302ac17c16e025116fe6
