[INFO] cloning repository https://github.com/binggh/rox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/binggh/rox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinggh%2Frox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinggh%2Frox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 803d09650b300171f83e5cf490b46a9fc7880bd9
[INFO] checking binggh/rox against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinggh%2Frox" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/binggh/rox on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/binggh/rox
[INFO] finished tweaking git repo https://github.com/binggh/rox
[INFO] tweaked toml for git repo https://github.com/binggh/rox written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/binggh/rox 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking binggh/rox against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinggh%2Frox" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/binggh/rox on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/binggh/rox
[INFO] finished tweaking git repo https://github.com/binggh/rox
[INFO] tweaked toml for git repo https://github.com/binggh/rox written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/binggh/rox 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "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] checking binggh/rox against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbinggh%2Frox" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/binggh/rox on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/binggh/rox
[INFO] finished tweaking git repo https://github.com/binggh/rox
[INFO] tweaked toml for git repo https://github.com/binggh/rox written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/binggh/rox 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc2ba3b2128b725d0865d16655d9bf89ce377e35af9152e2a6931573b476e21c
[INFO] running `Command { std: "docker" "start" "-a" "dc2ba3b2128b725d0865d16655d9bf89ce377e35af9152e2a6931573b476e21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc2ba3b2128b725d0865d16655d9bf89ce377e35af9152e2a6931573b476e21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2ba3b2128b725d0865d16655d9bf89ce377e35af9152e2a6931573b476e21c", kill_on_drop: false }`
[INFO] [stdout] dc2ba3b2128b725d0865d16655d9bf89ce377e35af9152e2a6931573b476e21c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dd3ee20949e22e9999d9f333a8efc8098385c15e749cc6b5822c90c498346a6
[INFO] running `Command { std: "docker" "start" "-a" "6dd3ee20949e22e9999d9f333a8efc8098385c15e749cc6b5822c90c498346a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking rox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]   --> src/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::result::Result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/57fe1b734d9ff1c8a92bda60b85506b9648158d3/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Result` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Literal` is imported redundantly
[INFO] [stdout]    --> src/interpreter.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |     use super::*;
[INFO] [stdout]     |         -------- the item `Literal` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 272 |     use crate::token::Literal;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `ast::Value`
[INFO] [stdout]   --> src/environment.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         assert_eq!(env.get(&token).unwrap(), Value::Number(5.0));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         ast::Value
[INFO] [stdout]    |         ast::Value
[INFO] [stdout]    |
[INFO] [stdout] note: an implementation of `PartialEq` might be missing for `ast::Value`
[INFO] [stdout]   --> src/ast.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Value {
[INFO] [stdout]    | ^^^^^^^^^^^^^^ must implement `PartialEq`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `ast::Value` with `#[derive(PartialEq)]`
[INFO] [stdout]   --> src/ast.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 + #[derive(PartialEq)]
[INFO] [stdout] 12 | pub enum Value {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `ast::Value` doesn't implement `Debug`
[INFO] [stdout]   --> src/environment.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         assert_eq!(env.get(&token).unwrap(), Value::Number(5.0));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ast::Value` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `ast::Value`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `ast::Value` or manually `impl Debug for ast::Value`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `ast::Value` doesn't implement `Debug`
[INFO] [stdout]   --> src/environment.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         assert_eq!(env.get(&token).unwrap(), Value::Number(5.0));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ast::Value` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `ast::Value`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `ast::Value` or manually `impl Debug for ast::Value`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `ast::Value`
[INFO] [stdout]   --> src/environment.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         assert_eq!(env.get(&token).unwrap(), Value::Number(5.0));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         ast::Value
[INFO] [stdout]    |         ast::Value
[INFO] [stdout]    |
[INFO] [stdout] note: an implementation of `PartialEq` might be missing for `ast::Value`
[INFO] [stdout]   --> src/ast.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Value {
[INFO] [stdout]    | ^^^^^^^^^^^^^^ must implement `PartialEq`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `ast::Value` with `#[derive(PartialEq)]`
[INFO] [stdout]   --> src/ast.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 + #[derive(PartialEq)]
[INFO] [stdout] 12 | pub enum Value {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `ast::Value` doesn't implement `Debug`
[INFO] [stdout]   --> src/environment.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         assert_eq!(env.get(&token).unwrap(), Value::Number(5.0));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ast::Value` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `ast::Value`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `ast::Value` or manually `impl Debug for ast::Value`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `ast::Value` doesn't implement `Debug`
[INFO] [stdout]   --> src/environment.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         assert_eq!(env.get(&token).unwrap(), Value::Number(5.0));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ast::Value` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `ast::Value`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `ast::Value` or manually `impl Debug for ast::Value`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/function.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 name, params, body, ..
[INFO] [stdout]    |                 ^^^^-
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: try removing the field
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callee_value`
[INFO] [stdout]    --> src/interpreter.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let callee_value = self.evaluate(*callee);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callee_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]    --> src/interpreter.rs:237:54
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn visit_call_expr(&mut self, callee: Box<Expr>, paren: Token, args: Vec<Expr>) -> Value {
[INFO] [stdout]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_paren`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/function.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 name, params, body, ..
[INFO] [stdout]    |                 ^^^^-
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: try removing the field
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `callee_value`
[INFO] [stdout]    --> src/interpreter.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let callee_value = self.evaluate(*callee);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_callee_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paren`
[INFO] [stdout]    --> src/interpreter.rs:237:54
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn visit_call_expr(&mut self, callee: Box<Expr>, paren: Token, args: Vec<Expr>) -> Value {
[INFO] [stdout]     |                                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_paren`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_prompt` is never used
[INFO] [stdout]   --> src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn run_prompt() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `report` is never used
[INFO] [stdout]   --> src/error.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl ErrorHandler {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 52 |     fn report(line: i64, location: String, message: String) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | /         self.consume(
[INFO] [stdout] 63 | |             LeftParen,
[INFO] [stdout] 64 | |             "Expect ( after".to_owned() + &kind + &"name.".to_string(),
[INFO] [stdout] 65 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let _ = self.consume(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         self.consume(RightParen, "Expect ')' after parameters".to_string());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let _ = self.consume(RightParen, "Expect ')' after parameters".to_string());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/parser.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 | /         self.consume(
[INFO] [stdout] 85 | |             LeftBrace,
[INFO] [stdout] 86 | |             "Expect '{' before".to_owned() + &kind + &"name.".to_string(),
[INFO] [stdout] 87 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let _ = self.consume(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0369.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rox` (bin "rox" test) due to 7 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6dd3ee20949e22e9999d9f333a8efc8098385c15e749cc6b5822c90c498346a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd3ee20949e22e9999d9f333a8efc8098385c15e749cc6b5822c90c498346a6", kill_on_drop: false }`
[INFO] [stdout] 6dd3ee20949e22e9999d9f333a8efc8098385c15e749cc6b5822c90c498346a6
