[INFO] cloning repository https://github.com/thuchede/lox-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thuchede/lox-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthuchede%2Flox-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthuchede%2Flox-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd8e3f374976515a970f3dc7b21e58e766b59c6e
[INFO] building thuchede/lox-interpreter against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthuchede%2Flox-interpreter" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thuchede/lox-interpreter on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thuchede/lox-interpreter
[INFO] finished tweaking git repo https://github.com/thuchede/lox-interpreter
[INFO] tweaked toml for git repo https://github.com/thuchede/lox-interpreter written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thuchede/lox-interpreter 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54a8070bb81348ae1cf2b8917e270fd8d47ca610e38a3ab10f8be78a7fd63edd
[INFO] running `Command { std: "docker" "start" "-a" "54a8070bb81348ae1cf2b8917e270fd8d47ca610e38a3ab10f8be78a7fd63edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54a8070bb81348ae1cf2b8917e270fd8d47ca610e38a3ab10f8be78a7fd63edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a8070bb81348ae1cf2b8917e270fd8d47ca610e38a3ab10f8be78a7fd63edd", kill_on_drop: false }`
[INFO] [stdout] 54a8070bb81348ae1cf2b8917e270fd8d47ca610e38a3ab10f8be78a7fd63edd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3dc976164a5bbdbd911877fe65637deab74ad729c92ca973fb16d7613e71aef
[INFO] running `Command { std: "docker" "start" "-a" "c3dc976164a5bbdbd911877fe65637deab74ad729c92ca973fb16d7613e71aef", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling lox-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/bin/generate_ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufWriter`
[INFO] [stdout]  --> src/ast_printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::BufWriter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/ast_printer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/expression.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{env, io};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::process::exit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_name`
[INFO] [stdout]    --> src/bin/generate_ast.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn define_visitor(types: Vec<&str>, base_name: String, buffer: &mut File) {
[INFO] [stdout]     |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/token.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_file` is never used
[INFO] [stdout]   --> src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn run_file(filename: &String) -> Result<(), Error> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_prompt` is never used
[INFO] [stdout]   --> src/main.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn run_prompt() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/main.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn run(source: &[u8]) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_global_error` is never used
[INFO] [stdout]    --> src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn has_global_error() -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token_type.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |     LoxString(String),
[INFO] [stdout]    |     --------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are 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] 26 |     LoxString(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token_type.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Number(f32),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are 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] 27 |     Number(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type`, `literal`, and `line` are never read
[INFO] [stdout]  --> src/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 6 |     token_type: TokenType,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 7 |     pub lexeme: String,
[INFO] [stdout] 8 |     literal: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 9 |     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `scan_tokens` is never used
[INFO] [stdout]  --> src/scanner.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Scanner {
[INFO] [stdout]   |           ------- method in this trait
[INFO] [stdout] 4 |     fn scan_tokens(&mut self) -> Vec<token::Token>;
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lox_scanner.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl <'a> LoxScanner<'a> {
[INFO] [stdout]    | ------------------------ associated function in this implementation
[INFO] [stdout] 49 |     pub fn new(source: &'a [u8]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast_printer.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl AstPrinter {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "c3dc976164a5bbdbd911877fe65637deab74ad729c92ca973fb16d7613e71aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3dc976164a5bbdbd911877fe65637deab74ad729c92ca973fb16d7613e71aef", kill_on_drop: false }`
[INFO] [stdout] c3dc976164a5bbdbd911877fe65637deab74ad729c92ca973fb16d7613e71aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdddceb45fffd8e1af9d4990402e8f8fe657423208a743e5eae091a7085713ba
[INFO] running `Command { std: "docker" "start" "-a" "fdddceb45fffd8e1af9d4990402e8f8fe657423208a743e5eae091a7085713ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/bin/generate_ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_name`
[INFO] [stdout]    --> src/bin/generate_ast.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn define_visitor(types: Vec<&str>, base_name: String, buffer: &mut File) {
[INFO] [stdout]     |                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufWriter`
[INFO] [stdout]  --> src/ast_printer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::BufWriter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/ast_printer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/expression.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{env, io};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::process::exit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/token.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_file` is never used
[INFO] [stdout]   --> src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn run_file(filename: &String) -> Result<(), Error> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_prompt` is never used
[INFO] [stdout]   --> src/main.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn run_prompt() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/main.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn run(source: &[u8]) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_global_error` is never used
[INFO] [stdout]    --> src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn has_global_error() -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token_type.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |     LoxString(String),
[INFO] [stdout]    |     --------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are 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] 26 |     LoxString(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/token_type.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Number(f32),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are 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] 27 |     Number(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type`, `literal`, and `line` are never read
[INFO] [stdout]  --> src/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 6 |     token_type: TokenType,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 7 |     pub lexeme: String,
[INFO] [stdout] 8 |     literal: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 9 |     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `scan_tokens` is never used
[INFO] [stdout]  --> src/scanner.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Scanner {
[INFO] [stdout]   |           ------- method in this trait
[INFO] [stdout] 4 |     fn scan_tokens(&mut self) -> Vec<token::Token>;
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lox_scanner.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl <'a> LoxScanner<'a> {
[INFO] [stdout]    | ------------------------ associated function in this implementation
[INFO] [stdout] 49 |     pub fn new(source: &'a [u8]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast_printer.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl AstPrinter {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "fdddceb45fffd8e1af9d4990402e8f8fe657423208a743e5eae091a7085713ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdddceb45fffd8e1af9d4990402e8f8fe657423208a743e5eae091a7085713ba", kill_on_drop: false }`
[INFO] [stdout] fdddceb45fffd8e1af9d4990402e8f8fe657423208a743e5eae091a7085713ba