[INFO] cloning repository https://github.com/ganeshnj/craftinginterpreters-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ganeshnj/craftinginterpreters-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fganeshnj%2Fcraftinginterpreters-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fganeshnj%2Fcraftinginterpreters-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 945d21bd23c8f80d01450441b80f853359f20740
[INFO] testing ganeshnj/craftinginterpreters-rs against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fganeshnj%2Fcraftinginterpreters-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ganeshnj/craftinginterpreters-rs
[INFO] finished tweaking git repo https://github.com/ganeshnj/craftinginterpreters-rs
[INFO] tweaked toml for git repo https://github.com/ganeshnj/craftinginterpreters-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ganeshnj/craftinginterpreters-rs on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ganeshnj/craftinginterpreters-rs 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68
[INFO] running `Command { std: "docker" "start" "58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling Lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/parser.rs:137:50
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn consume(&mut self, token_type: TokenType, message: &str) -> Result<Token, Error> {
[INFO] [stdout]     |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lexeme` and `line` are never read
[INFO] [stdout]  --> src/token.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 5 |     pub(crate) token_type: TokenType,
[INFO] [stdout] 6 |     pub(crate) lexeme: String,
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout] 7 |     pub(crate) literal: String,
[INFO] [stdout] 8 |     pub(crate) line: usize,
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are 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: method `to_string` is never used
[INFO] [stdout]   --> src/token.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn to_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/token.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Binary(Box<Expr>, BinaryOperator, Box<Expr>),
[INFO] [stdout]    |     ------ ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 23 -     Binary(Box<Expr>, BinaryOperator, Box<Expr>),
[INFO] [stdout] 23 +     Binary((), (), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Grouping(Box<Expr>),
[INFO] [stdout]    |     -------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     Grouping(Box<Expr>),
[INFO] [stdout] 24 +     Grouping(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Literal(Literal),
[INFO] [stdout]    |     ------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -     Literal(Literal),
[INFO] [stdout] 25 +     Literal(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/token.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Unary(UnaryOperator, Box<Expr>),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 26 -     Unary(UnaryOperator, Box<Expr>),
[INFO] [stdout] 26 +     Unary((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Number(f64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 50 -     Number(f64),
[INFO] [stdout] 50 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     String(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 51 -     String(String),
[INFO] [stdout] 51 +     String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `synchronize` is never used
[INFO] [stdout]    --> src/parser.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn synchronize(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling Lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]    --> src/parser.rs:137:50
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn consume(&mut self, token_type: TokenType, message: &str) -> Result<Token, Error> {
[INFO] [stdout]     |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lexeme` and `line` are never read
[INFO] [stdout]  --> src/token.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 5 |     pub(crate) token_type: TokenType,
[INFO] [stdout] 6 |     pub(crate) lexeme: String,
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout] 7 |     pub(crate) literal: String,
[INFO] [stdout] 8 |     pub(crate) line: usize,
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are 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: method `to_string` is never used
[INFO] [stdout]   --> src/token.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn to_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> src/token.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Binary(Box<Expr>, BinaryOperator, Box<Expr>),
[INFO] [stdout]    |     ------ ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 23 -     Binary(Box<Expr>, BinaryOperator, Box<Expr>),
[INFO] [stdout] 23 +     Binary((), (), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Grouping(Box<Expr>),
[INFO] [stdout]    |     -------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     Grouping(Box<Expr>),
[INFO] [stdout] 24 +     Grouping(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Literal(Literal),
[INFO] [stdout]    |     ------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -     Literal(Literal),
[INFO] [stdout] 25 +     Literal(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/token.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Unary(UnaryOperator, Box<Expr>),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 26 -     Unary(UnaryOperator, Box<Expr>),
[INFO] [stdout] 26 +     Unary((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Number(f64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 50 -     Number(f64),
[INFO] [stdout] 50 +     Number(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     String(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 51 -     String(String),
[INFO] [stdout] 51 +     String(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `synchronize` is never used
[INFO] [stdout]    --> src/parser.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     fn synchronize(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]    --> src/parser.rs:137:50
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn consume(&mut self, token_type: TokenType, message: &str) -> Result<Token, Error> {
[INFO] [stderr]     |                                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `lexeme` and `line` are never read
[INFO] [stderr]  --> src/token.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Token {
[INFO] [stderr]   |            ----- fields in this struct
[INFO] [stderr] 5 |     pub(crate) token_type: TokenType,
[INFO] [stderr] 6 |     pub(crate) lexeme: String,
[INFO] [stderr]   |                ^^^^^^
[INFO] [stderr] 7 |     pub(crate) literal: String,
[INFO] [stderr] 8 |     pub(crate) line: usize,
[INFO] [stderr]   |                ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_string` is never used
[INFO] [stderr]   --> src/token.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Token {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 16 |     fn to_string(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, and `2` are never read
[INFO] [stderr]   --> src/token.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Binary(Box<Expr>, BinaryOperator, Box<Expr>),
[INFO] [stderr]    |     ------ ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 0 tests
[INFO] [stderr]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 23 -     Binary(Box<Expr>, BinaryOperator, Box<Expr>),
[INFO] [stderr] 23 +     Binary((), (), ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/token.rs:24:14
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Grouping(Box<Expr>),
[INFO] [stderr]    |     -------- ^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 24 -     Grouping(Box<Expr>),
[INFO] [stderr] 24 +     Grouping(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/token.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Literal(Literal),
[INFO] [stderr]    |     ------- ^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 25 -     Literal(Literal),
[INFO] [stderr] 25 +     Literal(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> src/token.rs:26:11
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Unary(UnaryOperator, Box<Expr>),
[INFO] [stderr]    |     ----- ^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]    |
[INFO] [stderr] 26 -     Unary(UnaryOperator, Box<Expr>),
[INFO] [stderr] 26 +     Unary((), ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/token.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Number(f64),
[INFO] [stderr]    |     ------ ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 50 -     Number(f64),
[INFO] [stderr] 50 +     Number(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/token.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     String(String),
[INFO] [stderr]    |     ------ ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Literal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 51 -     String(String),
[INFO] [stderr] 51 +     String(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: method `synchronize` is never used
[INFO] [stderr]    --> src/parser.rs:145:8
[INFO] [stderr]     |
[INFO] [stderr]  18 | impl Parser {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 145 |     fn synchronize(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `Lox` (bin "Lox" test) generated 10 warnings (run `cargo fix --bin "Lox" -p Lox --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/Lox/1a7e2c6a79ae615e/out/Lox-1a7e2c6a79ae615e)
[INFO] running `Command { std: "docker" "inspect" "58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68", kill_on_drop: false }`
[INFO] [stdout] 58ec0c5bf418aa58d89f670e472bd4ab83a24abb3936fa650d8193f72bc6cb68
