[INFO] cloning repository https://github.com/TzgFryziu/Interpreter_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TzgFryziu/Interpreter_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTzgFryziu%2FInterpreter_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTzgFryziu%2FInterpreter_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54b82dad27bdca563e9e74c0eec38ba8da40107b
[INFO] checking TzgFryziu/Interpreter_Rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTzgFryziu%2FInterpreter_Rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TzgFryziu/Interpreter_Rust
[INFO] finished tweaking git repo https://github.com/TzgFryziu/Interpreter_Rust
[INFO] tweaked toml for git repo https://github.com/TzgFryziu/Interpreter_Rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TzgFryziu/Interpreter_Rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TzgFryziu/Interpreter_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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee742e61ec40a3ef38ae4c80ab9a31f363ea250932e564fa1b80ecd186e98101
[INFO] running `Command { std: "docker" "start" "-a" "ee742e61ec40a3ef38ae4c80ab9a31f363ea250932e564fa1b80ecd186e98101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee742e61ec40a3ef38ae4c80ab9a31f363ea250932e564fa1b80ecd186e98101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee742e61ec40a3ef38ae4c80ab9a31f363ea250932e564fa1b80ecd186e98101", kill_on_drop: false }`
[INFO] [stdout] ee742e61ec40a3ef38ae4c80ab9a31f363ea250932e564fa1b80ecd186e98101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef264ebcdeb844fb80dac232cca9f1b93337cf20a826a3d6673b3daacae18c04
[INFO] running `Command { std: "docker" "start" "-a" "ef264ebcdeb844fb80dac232cca9f1b93337cf20a826a3d6673b3daacae18c04", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking codecrafters-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/parser/lexer.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 if { other.is_ascii_digit() } {
[INFO] [stdout]    |                    ^^                      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 89 -                 if { other.is_ascii_digit() } {
[INFO] [stdout] 89 +                 if other.is_ascii_digit()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]   --> src/parser/lexer.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 if { other.is_ascii_digit() } {
[INFO] [stdout]    |                    ^^                      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 89 -                 if { other.is_ascii_digit() } {
[INFO] [stdout] 89 +                 if other.is_ascii_digit()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> src/parser/lexer.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bytes::{Buf, BytesMut};
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let mut parser = Parser::new(file_contents);
[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: field `line` is never read
[INFO] [stdout]    --> src/parser.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct Token {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 136 |     line: i32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]    --> src/parser.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub struct Parser {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 158 |     lexer: Lexer,
[INFO] [stdout] 159 |     tokens: Vec<Token>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Binary`, `Grouping`, and `Unary` are never constructed
[INFO] [stdout]   --> src/parser/expr.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Expr {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 11 |     Binary(Box<Binary>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     Grouping(Box<Grouping>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 13 |     Literal(Box<Literal>),
[INFO] [stdout] 14 |     Unary(Box<Unary>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/parser/lexer.rs:154:57
[INFO] [stdout]     |
[INFO] [stdout] 154 |         self.add_token(TokenType::STRING, Value::String(String::from_utf8(val.to_vec()).unwrap().parse().unwrap()));
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> src/parser/lexer.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bytes::{Buf, BytesMut};
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `codecrafters-interpreter` (bin "codecrafters-interpreter" test) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let mut parser = Parser::new(file_contents);
[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: field `line` is never read
[INFO] [stdout]    --> src/parser.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct Token {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 136 |     line: i32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]    --> src/parser.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub struct Parser {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 158 |     lexer: Lexer,
[INFO] [stdout] 159 |     tokens: Vec<Token>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Binary`, `Grouping`, and `Unary` are never constructed
[INFO] [stdout]   --> src/parser/expr.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Expr {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 11 |     Binary(Box<Binary>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     Grouping(Box<Grouping>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 13 |     Literal(Box<Literal>),
[INFO] [stdout] 14 |     Unary(Box<Unary>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/parser/lexer.rs:154:57
[INFO] [stdout]     |
[INFO] [stdout] 154 |         self.add_token(TokenType::STRING, Value::String(String::from_utf8(val.to_vec()).unwrap().parse().unwrap()));
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `codecrafters-interpreter` (bin "codecrafters-interpreter") due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ef264ebcdeb844fb80dac232cca9f1b93337cf20a826a3d6673b3daacae18c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef264ebcdeb844fb80dac232cca9f1b93337cf20a826a3d6673b3daacae18c04", kill_on_drop: false }`
[INFO] [stdout] ef264ebcdeb844fb80dac232cca9f1b93337cf20a826a3d6673b3daacae18c04