[INFO] cloning repository https://github.com/roshangiyanani/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roshangiyanani/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froshangiyanani%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froshangiyanani%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9250f0b8f6d434cbdfd8a25f800b93c579db9167
[INFO] building roshangiyanani/rlox against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froshangiyanani%2Frlox" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roshangiyanani/rlox on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/roshangiyanani/rlox
[INFO] finished tweaking git repo https://github.com/roshangiyanani/rlox
[INFO] tweaked toml for git repo https://github.com/roshangiyanani/rlox written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/roshangiyanani/rlox 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version_check v0.9.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.33
[INFO] [stderr]   Downloaded test-case-macros v2.2.2
[INFO] [stderr]   Downloaded num_enum_derive v0.5.4
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.0
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded phf_generator v0.11.1
[INFO] [stderr]   Downloaded anyhow v1.0.51
[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded num_enum v0.5.4
[INFO] [stderr]   Downloaded phf_shared v0.11.1
[INFO] [stderr]   Downloaded libc v0.2.109
[INFO] [stderr]   Downloaded time-macros v0.2.3
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded unicode-segmentation v1.8.0
[INFO] [stderr]   Downloaded test-case v2.2.2
[INFO] [stderr]   Downloaded structopt v0.3.25
[INFO] [stderr]   Downloaded derivative v2.2.0
[INFO] [stderr]   Downloaded simple_logger v1.15.0
[INFO] [stderr]   Downloaded toml v0.5.8
[INFO] [stderr]   Downloaded phf v0.11.1
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded time v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f88142950c65b93c752fe8c463d91e1c2a9cedc23434dea74ff1eddc32a1c44
[INFO] running `Command { std: "docker" "start" "-a" "3f88142950c65b93c752fe8c463d91e1c2a9cedc23434dea74ff1eddc32a1c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f88142950c65b93c752fe8c463d91e1c2a9cedc23434dea74ff1eddc32a1c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f88142950c65b93c752fe8c463d91e1c2a9cedc23434dea74ff1eddc32a1c44", kill_on_drop: false }`
[INFO] [stdout] 3f88142950c65b93c752fe8c463d91e1c2a9cedc23434dea74ff1eddc32a1c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53a1339bb4f9ff7559810c7fabf09ecb1f5c9518dbd1d3bd6b103238d55f9d22
[INFO] running `Command { std: "docker" "start" "-a" "53a1339bb4f9ff7559810c7fabf09ecb1f5c9518dbd1d3bd6b103238d55f9d22", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling time-macros v0.2.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.3.5
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling simple_logger v1.15.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling phf_macros v0.11.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling phf v0.11.1
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]    Compiling num_enum v0.5.4
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Binary`
[INFO] [stdout]  --> src/bytecode/core.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Binary, Display};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/bytecode/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::compiler::scanner::Token`
[INFO] [stdout]  --> src/compiler/syntax_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::compiler::scanner::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/compiler/syntax_tree.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Error, Formatter, Write};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/compiler/syntax_tree.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Error, Formatter, Write};
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_instruction`, `add_instructions`, `add_op`, `add_raw`, and `add_constant` are never used
[INFO] [stdout]    --> src/bytecode/core.rs:64:19
[INFO] [stdout]     |
[INFO] [stdout] 63  | impl Chunk {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 64  |     pub(crate) fn new() -> Chunk {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 72  |     pub(crate) fn add_instruction(&mut self, line: u32, instruction: Instruction) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88  |     pub(crate) fn add_instructions(&mut self, instructions: &[(u32, Instruction)]) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     fn add_op(&mut self, op: OpCode, line: u32) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 98  |     fn add_raw(&mut self, code: u8, line: u32) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn add_constant(&mut self, constant: Value) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOperator` is never used
[INFO] [stdout]  --> src/compiler/syntax_tree.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum UnaryOperator {
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOperator` is never used
[INFO] [stdout]   --> src/compiler/syntax_tree.rs:22:6
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum BinaryOperator {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Identifier`, `String`, `Number`, and `Nil` are never constructed
[INFO] [stdout]   --> src/compiler/syntax_tree.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum Literal<'a> {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 55 |     Identifier(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 56 |     String(&'a str),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 57 |     Number(f64),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 58 |     Nil,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` 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: enum `Expression` is never used
[INFO] [stdout]   --> src/compiler/syntax_tree.rs:73:6
[INFO] [stdout]    |
[INFO] [stdout] 73 | enum Expression<'a> {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DissemblerPrinter` is never constructed
[INFO] [stdout]  --> src/dissembler.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct DissemblerPrinter {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DissemblerPrinter` 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: associated items `new`, `dissemble`, and `print` are never used
[INFO] [stdout]   --> src/dissembler.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl DissemblerPrinter {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new() -> DissemblerPrinter {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn dissemble(chunk: &Chunk, name: &str) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn print(
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VM` is never constructed
[INFO] [stdout]  --> src/vm.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct VM {
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EmptyStack` is never constructed
[INFO] [stdout]   --> src/vm.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum InterpreterError {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] 15 |     ParseError(BytecodeParseError),
[INFO] [stdout] 16 |     EmptyStack,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InterpreterError` 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: enum `ControlFlow` is never used
[INFO] [stdout]   --> src/vm.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum ControlFlow {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `stack_pop`, `interpret`, and `interpret_chunk` are never used
[INFO] [stdout]   --> src/vm.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl VM {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout] 31 |     pub fn new() -> VM {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn stack_pop(&mut self) -> Result<Value, InterpreterError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn interpret(&mut self, instruction: Instruction) -> Result<ControlFlow, InterpreterError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn interpret_chunk(chunk: Chunk) -> Result<(), InterpreterError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.46s
[INFO] running `Command { std: "docker" "inspect" "53a1339bb4f9ff7559810c7fabf09ecb1f5c9518dbd1d3bd6b103238d55f9d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a1339bb4f9ff7559810c7fabf09ecb1f5c9518dbd1d3bd6b103238d55f9d22", kill_on_drop: false }`
[INFO] [stdout] 53a1339bb4f9ff7559810c7fabf09ecb1f5c9518dbd1d3bd6b103238d55f9d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dc68d17a979be04e09df9ec9eff2e26629a62d281232d65e1d5111c114d2be0
[INFO] running `Command { std: "docker" "start" "-a" "8dc68d17a979be04e09df9ec9eff2e26629a62d281232d65e1d5111c114d2be0", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-case-macros v2.2.2
[INFO] [stderr]    Compiling test-case v2.2.2
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Binary`
[INFO] [stdout]  --> src/bytecode/core.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Binary, Display};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/bytecode/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::compiler::scanner::Token`
[INFO] [stdout]  --> src/compiler/syntax_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::compiler::scanner::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/compiler/syntax_tree.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Error, Formatter, Write};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/compiler/syntax_tree.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Error, Formatter, Write};
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bang` is never constructed
[INFO] [stdout]  --> src/compiler/syntax_tree.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum UnaryOperator {
[INFO] [stdout]   |      ------------- variant in this enum
[INFO] [stdout] 7 |     Minus,
[INFO] [stdout] 8 |     Bang,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UnaryOperator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/compiler/syntax_tree.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | enum BinaryOperator {
[INFO] [stdout]    |      -------------- variants in this enum
[INFO] [stdout] 23 |     EqualEqual,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 24 |     BangEqual,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 25 |     Less,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     LessEqual,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 27 |     Greater,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     GreaterEqual,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 29 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     Minus,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     Star,
[INFO] [stdout] 32 |     Slash,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinaryOperator` 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: variants `Identifier`, `String`, and `Nil` are never constructed
[INFO] [stdout]   --> src/compiler/syntax_tree.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum Literal<'a> {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 55 |     Identifier(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 56 |     String(&'a str),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 57 |     Number(f64),
[INFO] [stdout] 58 |     Nil,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Literal` 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: struct `DissemblerPrinter` is never constructed
[INFO] [stdout]  --> src/dissembler.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct DissemblerPrinter {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DissemblerPrinter` 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: associated items `new`, `dissemble`, and `print` are never used
[INFO] [stdout]   --> src/dissembler.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl DissemblerPrinter {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new() -> DissemblerPrinter {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn dissemble(chunk: &Chunk, name: &str) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn print(
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VM` is never constructed
[INFO] [stdout]  --> src/vm.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct VM {
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EmptyStack` is never constructed
[INFO] [stdout]   --> src/vm.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum InterpreterError {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] 15 |     ParseError(BytecodeParseError),
[INFO] [stdout] 16 |     EmptyStack,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InterpreterError` 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: enum `ControlFlow` is never used
[INFO] [stdout]   --> src/vm.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum ControlFlow {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `stack_pop`, `interpret`, and `interpret_chunk` are never used
[INFO] [stdout]   --> src/vm.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl VM {
[INFO] [stdout]    | ------- associated items in this implementation
[INFO] [stdout] 31 |     pub fn new() -> VM {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn stack_pop(&mut self) -> Result<Value, InterpreterError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn interpret(&mut self, instruction: Instruction) -> Result<ControlFlow, InterpreterError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn interpret_chunk(chunk: Chunk) -> Result<(), InterpreterError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "8dc68d17a979be04e09df9ec9eff2e26629a62d281232d65e1d5111c114d2be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc68d17a979be04e09df9ec9eff2e26629a62d281232d65e1d5111c114d2be0", kill_on_drop: false }`
[INFO] [stdout] 8dc68d17a979be04e09df9ec9eff2e26629a62d281232d65e1d5111c114d2be0
