[INFO] cloning repository https://github.com/TheTerrior/quetzal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheTerrior/quetzal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheTerrior%2Fquetzal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheTerrior%2Fquetzal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b24faacfdc1b95123719b48dfe7b4ccb27c15682
[INFO] checking TheTerrior/quetzal against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheTerrior%2Fquetzal" "/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/TheTerrior/quetzal
[INFO] finished tweaking git repo https://github.com/TheTerrior/quetzal
[INFO] tweaked toml for git repo https://github.com/TheTerrior/quetzal written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TheTerrior/quetzal on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TheTerrior/quetzal 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c240186a18e51cedb3427da3ee6fdb86444bec1b48108400ad57efa52b622b83
[INFO] running `Command { std: "docker" "start" "-a" "c240186a18e51cedb3427da3ee6fdb86444bec1b48108400ad57efa52b622b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c240186a18e51cedb3427da3ee6fdb86444bec1b48108400ad57efa52b622b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c240186a18e51cedb3427da3ee6fdb86444bec1b48108400ad57efa52b622b83", kill_on_drop: false }`
[INFO] [stdout] c240186a18e51cedb3427da3ee6fdb86444bec1b48108400ad57efa52b622b83
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d92a05d92befff497210f6465a3076b63c9db15e008b69a450fa74e4ffbb348
[INFO] running `Command { std: "docker" "start" "-a" "8d92a05d92befff497210f6465a3076b63c9db15e008b69a450fa74e4ffbb348", kill_on_drop: false }`
[INFO] [stderr]     Checking quetzal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HashSet`, `Rc`, `Weak`, and `cell::RefCell`
[INFO] [stdout]  --> src/memory.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, rc::{Rc, Weak}, cell::RefCell, isize};
[INFO] [stdout]   |                                  ^^^^^^^        ^^  ^^^^   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/compiler.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::{BufReader, BufRead, Write, BufWriter}, fs::{File, self}, collections::HashMap};
[INFO] [stdout]   |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `Rc`, `Weak`, and `cell::RefCell`
[INFO] [stdout]  --> src/memory.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, rc::{Rc, Weak}, cell::RefCell, isize};
[INFO] [stdout]   |                                  ^^^^^^^        ^^  ^^^^   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/compiler.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::{BufReader, BufRead, Write, BufWriter}, fs::{File, self}, collections::HashMap};
[INFO] [stdout]   |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/compiler.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut variable_counter = 0;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/compiler.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut variable_names: HashMap<String, usize> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_size`
[INFO] [stdout]   --> src/compiler.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let file_size = assembly_file.metadata().map_err(|_| QuetzalError::BadFileRead(String::from(input)))?.len(); //get the file's size
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/compiler.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let writer = BufWriter::new(bytecode_file); //reduce number of writes to storage
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_counter`
[INFO] [stdout]   --> src/compiler.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut variable_counter = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_names`
[INFO] [stdout]   --> src/compiler.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut variable_names: HashMap<String, usize> = HashMap::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/compiler.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...   let tokens: Vec<&str> = line.map_err(|_| QuetzalError::BadFileRead(String::from(input)))?.split(' ').collect(); //split line into t...
[INFO] [stdout]    |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bits`
[INFO] [stdout]   --> src/compiler.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let bits = a();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/compiler.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut variable_counter = 0;
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/compiler.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut variable_names: HashMap<String, usize> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_size`
[INFO] [stdout]   --> src/compiler.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let file_size = assembly_file.metadata().map_err(|_| QuetzalError::BadFileRead(String::from(input)))?.len(); //get the file's size
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/compiler.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let writer = BufWriter::new(bytecode_file); //reduce number of writes to storage
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_counter`
[INFO] [stdout]   --> src/compiler.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut variable_counter = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variable_names`
[INFO] [stdout]   --> src/compiler.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let mut variable_names: HashMap<String, usize> = HashMap::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable_names`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let offset = 1;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/compiler.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 | ...   let tokens: Vec<&str> = line.map_err(|_| QuetzalError::BadFileRead(String::from(input)))?.split(' ').collect(); //split line into t...
[INFO] [stdout]    |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bits`
[INFO] [stdout]   --> src/compiler.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let bits = a();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stack` is never constructed
[INFO] [stdout]  --> src/memory.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Stack {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `search`, `define`, `push`, and `pop` are never used
[INFO] [stdout]   --> src/memory.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Stack {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn search(&self, id: usize) -> Option<Variable> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn define(&mut self, id: usize, var: Variable) -> Result<(), QuetzalError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn push(&mut self) -> Result<(), QuetzalError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn pop(&mut self) -> Result<(), QuetzalError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Variable` is never used
[INFO] [stdout]   --> src/memory.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub enum Variable {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QuetzalError` is never used
[INFO] [stdout]  --> src/error.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum QuetzalError {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BitVector` is never constructed
[INFO] [stdout]   --> src/compiler.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct BitVector {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `with_capacity`, `push`, and `push_bytes` are never used
[INFO] [stdout]   --> src/compiler.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl BitVector {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn with_capacity(size: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn push(&mut self, byte: u8) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn push_bytes(&mut self, bytes: &[u8], mut count: usize) -> Result<(), QuetzalError> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile` is never used
[INFO] [stdout]   --> src/compiler.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn compile(input: &str, output: &str) -> Result<(), QuetzalError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `a` is never used
[INFO] [stdout]   --> src/compiler.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn a() -> Result<(), QuetzalError> {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let offset = 1;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `temp` is never read
[INFO] [stdout]  --> src/memory.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Stack {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 8 |     frames: Vec<HashMap<usize, Variable>>,
[INFO] [stdout] 9 |     temp: Vec<Variable>, //holds temporary values, ie during computation of expressions
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Stack` has derived impls for the traits `Debug` and `Clone`, 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 `pop` is never used
[INFO] [stdout]   --> src/memory.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Stack {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn pop(&mut self) -> Result<(), QuetzalError> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/memory.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub enum Variable {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 80 |     Char(char),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 81 |     Float32(f32),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 82 |     Float64(f64),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 83 |     Int8(i8),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 84 |     Int16(i16),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 85 |     Int32(i32),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 86 |     Int64(i64),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 87 |     UInt8(u8),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 88 |     UInt16(u16),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 89 |     UInt32(u32),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 90 |     UInt64(u64),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Variable` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ExcessiveFrameSize`, `InputFileNotFound`, `OutputFileNotCreated`, `BadFileRead`, and `NotEnoughBits` are never constructed
[INFO] [stdout]   --> src/error.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum QuetzalError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout]  6 |     EmptyStack, 
[INFO] [stdout]  7 |     ExcessiveFrameSize, 
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  8 |     ExcessiveStackSize, 
[INFO] [stdout]  9 |     InputFileNotFound,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     OutputFileNotCreated,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     BadFileRead(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 12 |     NotEnoughBits,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `QuetzalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BitVector` is never constructed
[INFO] [stdout]   --> src/compiler.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct BitVector {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `with_capacity`, `push`, and `push_bytes` are never used
[INFO] [stdout]   --> src/compiler.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl BitVector {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn with_capacity(size: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn push(&mut self, byte: u8) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn push_bytes(&mut self, bytes: &[u8], mut count: usize) -> Result<(), QuetzalError> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile` is never used
[INFO] [stdout]   --> src/compiler.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn compile(input: &str, output: &str) -> Result<(), QuetzalError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `a` is never used
[INFO] [stdout]   --> src/compiler.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn a() -> Result<(), QuetzalError> {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/tests.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     mem.push();
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let _ = mem.push();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tests.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     mem.define(1, var);
[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] 10 |     let _ = mem.define(1, var);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tests.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     mem.push();
[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] 20 |     let _ = mem.push();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "8d92a05d92befff497210f6465a3076b63c9db15e008b69a450fa74e4ffbb348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d92a05d92befff497210f6465a3076b63c9db15e008b69a450fa74e4ffbb348", kill_on_drop: false }`
[INFO] [stdout] 8d92a05d92befff497210f6465a3076b63c9db15e008b69a450fa74e4ffbb348
