[INFO] cloning repository https://github.com/Arwalk/ChipR
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arwalk/ChipR" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArwalk%2FChipR", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArwalk%2FChipR'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0541de653f4376bd8e8465d05aaa62af6175ab6
[INFO] checking Arwalk/ChipR against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArwalk%2FChipR" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Arwalk/ChipR
[INFO] finished tweaking git repo https://github.com/Arwalk/ChipR
[INFO] tweaked toml for git repo https://github.com/Arwalk/ChipR written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Arwalk/ChipR on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Arwalk/ChipR 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85c79966c5db01818fdb786e52ff3c6654b8bd1e74498977b6c42a218a407dba
[INFO] running `Command { std: "docker" "start" "-a" "85c79966c5db01818fdb786e52ff3c6654b8bd1e74498977b6c42a218a407dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85c79966c5db01818fdb786e52ff3c6654b8bd1e74498977b6c42a218a407dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c79966c5db01818fdb786e52ff3c6654b8bd1e74498977b6c42a218a407dba", kill_on_drop: false }`
[INFO] [stdout] 85c79966c5db01818fdb786e52ff3c6654b8bd1e74498977b6c42a218a407dba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2edc872343a662b03dbed95a9d0dc8618235da167b701edad09de747c3dabb2c
[INFO] running `Command { std: "docker" "start" "-a" "2edc872343a662b03dbed95a9d0dc8618235da167b701edad09de747c3dabb2c", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking chipr-lib v0.1.0 (/opt/rustwide/workdir/chipr-lib)
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> chipr-lib/src/lib.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let op = self.fetch()?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Cycle` is more private than the item `Chip8Machine::cycle`
[INFO] [stdout]    --> chipr-lib/src/lib.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn cycle(&self) -> Result<Cycle, EmulationError> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Chip8Machine::cycle` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Cycle` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> chipr-lib/src/lib.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | struct Cycle {
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `EmulationError` is more private than the item `Chip8Machine::cycle`
[INFO] [stdout]    --> chipr-lib/src/lib.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn cycle(&self) -> Result<Cycle, EmulationError> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Chip8Machine::cycle` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `EmulationError` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> chipr-lib/src/lib.rs:171:1
[INFO] [stdout]     |
[INFO] [stdout] 171 | enum EmulationError {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `White` is never constructed
[INFO] [stdout]   --> chipr-lib/src/lib.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | enum MonochromePixel {
[INFO] [stdout]    |      --------------- variant in this enum
[INFO] [stdout] 67 |     Black,
[INFO] [stdout] 68 |     White
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MonochromePixel` has a derived impl for the trait `Clone`, but this is 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]   --> chipr-lib/src/lib.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | enum Key {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] 72 |     Zero = 0,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 73 |     One = 1,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 74 |     Two = 2,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 75 |     Three = 3,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 76 |     Four = 4,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 77 |     Five = 5,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 78 |     Six = 6,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 79 |     Seven = 7,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 80 |     Eight = 8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 81 |     Nine = 9,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 82 |     A = 0xA,
[INFO] [stdout]    |     ^
[INFO] [stdout] 83 |     B = 0xB,
[INFO] [stdout]    |     ^
[INFO] [stdout] 84 |     C = 0xC,
[INFO] [stdout]    |     ^
[INFO] [stdout] 85 |     D = 0xD,
[INFO] [stdout]    |     ^
[INFO] [stdout] 86 |     E = 0xE,
[INFO] [stdout]    |     ^
[INFO] [stdout] 87 |     F = 0xF,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pixels` is never read
[INFO] [stdout]   --> chipr-lib/src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct Display {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 91 |     pixels: [[MonochromePixel; COLUMNS]; ROWS]
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `shift_operations_sets_ry_into_rx` and `bnnn_is_bxnn` are never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Configuration {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] 103 |     shift_operations_sets_ry_into_rx: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 104 |     bnnn_is_bxnn: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct Chip8Machine {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 108 |     memory: Memory,
[INFO] [stdout] 109 |     display: Display,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 110 |     program_counter: usize,
[INFO] [stdout] 111 |     index_register: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 112 |     stack: Vec<u16>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 113 |     delay_timer: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 114 |     sound_timer: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 115 |     registers: Registers,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 116 |     current_key_pressed : Option<Key>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 117 |     configuration: Configuration
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | struct Registers {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 122 |     data : [u8; 16]
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Registers` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]    --> chipr-lib/src/lib.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl Registers {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 126 |     pub fn update(&self, index: usize, new_value: u8) -> Registers {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `new_state` and `should_update_display` are never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 166 | struct Cycle {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 167 |     new_state: Chip8Machine,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 168 |     should_update_display: bool
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:172:24
[INFO] [stdout]     |
[INFO] [stdout] 172 |     UnknownInstruction(u16),
[INFO] [stdout]     |     ------------------ ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[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] 172 -     UnknownInstruction(u16),
[INFO] [stdout] 172 +     UnknownInstruction(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |     Operation0x1NNN(u16),
[INFO] [stdout]     |     --------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[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] 181 -     Operation0x1NNN(u16),
[INFO] [stdout] 181 +     Operation0x1NNN(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:182:21
[INFO] [stdout]     |
[INFO] [stdout] 182 |     Operation0x2NNN(u16),
[INFO] [stdout]     |     --------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[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] 182 -     Operation0x2NNN(u16),
[INFO] [stdout] 182 +     Operation0x2NNN(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:183:21
[INFO] [stdout]     |
[INFO] [stdout] 183 |     Operation0x3NNN(u16),
[INFO] [stdout]     |     --------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[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] 183 -     Operation0x3NNN(u16),
[INFO] [stdout] 183 +     Operation0x3NNN(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:184:21
[INFO] [stdout]     |
[INFO] [stdout] 184 |     Operation0x4NNN(u16),
[INFO] [stdout]     |     --------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[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] 184 -     Operation0x4NNN(u16),
[INFO] [stdout] 184 +     Operation0x4NNN(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 |     Operation0x5XY0(u8, u8)
[INFO] [stdout]     |     --------------- ^^  ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[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] 186 -     Operation0x5XY0(u8, u8)
[INFO] [stdout] 186 +     Operation0x5XY0((), ())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Operation0x00E0` and `Operation0x0NNN` are never constructed
[INFO] [stdout]    --> chipr-lib/src/lib.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | enum Operations {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 177 |     Operation0x00E0,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 178 |     Operation0x00EE,
[INFO] [stdout] 179 |     Operation0x0NNN,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chipr-bin v0.1.0 (/opt/rustwide/workdir/chipr-bin)
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> chipr-lib/src/lib.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let op = self.fetch()?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Cycle` is more private than the item `Chip8Machine::cycle`
[INFO] [stdout]    --> chipr-lib/src/lib.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn cycle(&self) -> Result<Cycle, EmulationError> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Chip8Machine::cycle` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Cycle` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> chipr-lib/src/lib.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | struct Cycle {
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `EmulationError` is more private than the item `Chip8Machine::cycle`
[INFO] [stdout]    --> chipr-lib/src/lib.rs:237:5
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn cycle(&self) -> Result<Cycle, EmulationError> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Chip8Machine::cycle` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `EmulationError` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> chipr-lib/src/lib.rs:171:1
[INFO] [stdout]     |
[INFO] [stdout] 171 | enum EmulationError {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `White` is never constructed
[INFO] [stdout]   --> chipr-lib/src/lib.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | enum MonochromePixel {
[INFO] [stdout]    |      --------------- variant in this enum
[INFO] [stdout] 67 |     Black,
[INFO] [stdout] 68 |     White
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MonochromePixel` has a derived impl for the trait `Clone`, but this is 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]   --> chipr-lib/src/lib.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | enum Key {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] 72 |     Zero = 0,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 73 |     One = 1,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 74 |     Two = 2,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 75 |     Three = 3,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 76 |     Four = 4,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 77 |     Five = 5,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 78 |     Six = 6,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 79 |     Seven = 7,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 80 |     Eight = 8,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 81 |     Nine = 9,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 82 |     A = 0xA,
[INFO] [stdout]    |     ^
[INFO] [stdout] 83 |     B = 0xB,
[INFO] [stdout]    |     ^
[INFO] [stdout] 84 |     C = 0xC,
[INFO] [stdout]    |     ^
[INFO] [stdout] 85 |     D = 0xD,
[INFO] [stdout]    |     ^
[INFO] [stdout] 86 |     E = 0xE,
[INFO] [stdout]    |     ^
[INFO] [stdout] 87 |     F = 0xF,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pixels` is never read
[INFO] [stdout]   --> chipr-lib/src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct Display {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 91 |     pixels: [[MonochromePixel; COLUMNS]; ROWS]
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `shift_operations_sets_ry_into_rx` and `bnnn_is_bxnn` are never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Configuration {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] 103 |     shift_operations_sets_ry_into_rx: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 104 |     bnnn_is_bxnn: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct Chip8Machine {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 108 |     memory: Memory,
[INFO] [stdout] 109 |     display: Display,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 110 |     program_counter: usize,
[INFO] [stdout] 111 |     index_register: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 112 |     stack: Vec<u16>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 113 |     delay_timer: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 114 |     sound_timer: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 115 |     registers: Registers,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 116 |     current_key_pressed : Option<Key>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 117 |     configuration: Configuration
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | struct Registers {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 122 |     data : [u8; 16]
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Registers` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]    --> chipr-lib/src/lib.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl Registers {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 126 |     pub fn update(&self, index: usize, new_value: u8) -> Registers {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `new_state` and `should_update_display` are never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 166 | struct Cycle {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 167 |     new_state: Chip8Machine,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 168 |     should_update_display: bool
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:172:24
[INFO] [stdout]     |
[INFO] [stdout] 172 |     UnknownInstruction(u16),
[INFO] [stdout]     |     ------------------ ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[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] 172 -     UnknownInstruction(u16),
[INFO] [stdout] 172 +     UnknownInstruction(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:181:21
[INFO] [stdout]     |
[INFO] [stdout] 181 |     Operation0x1NNN(u16),
[INFO] [stdout]     |     --------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[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] 181 -     Operation0x1NNN(u16),
[INFO] [stdout] 181 +     Operation0x1NNN(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:182:21
[INFO] [stdout]     |
[INFO] [stdout] 182 |     Operation0x2NNN(u16),
[INFO] [stdout]     |     --------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[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] 182 -     Operation0x2NNN(u16),
[INFO] [stdout] 182 +     Operation0x2NNN(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:183:21
[INFO] [stdout]     |
[INFO] [stdout] 183 |     Operation0x3NNN(u16),
[INFO] [stdout]     |     --------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[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] 183 -     Operation0x3NNN(u16),
[INFO] [stdout] 183 +     Operation0x3NNN(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:184:21
[INFO] [stdout]     |
[INFO] [stdout] 184 |     Operation0x4NNN(u16),
[INFO] [stdout]     |     --------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[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] 184 -     Operation0x4NNN(u16),
[INFO] [stdout] 184 +     Operation0x4NNN(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> chipr-lib/src/lib.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 |     Operation0x5XY0(u8, u8)
[INFO] [stdout]     |     --------------- ^^  ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[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] 186 -     Operation0x5XY0(u8, u8)
[INFO] [stdout] 186 +     Operation0x5XY0((), ())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Operation0x00E0` and `Operation0x0NNN` are never constructed
[INFO] [stdout]    --> chipr-lib/src/lib.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | enum Operations {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 177 |     Operation0x00E0,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 178 |     Operation0x00EE,
[INFO] [stdout] 179 |     Operation0x0NNN,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "2edc872343a662b03dbed95a9d0dc8618235da167b701edad09de747c3dabb2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2edc872343a662b03dbed95a9d0dc8618235da167b701edad09de747c3dabb2c", kill_on_drop: false }`
[INFO] [stdout] 2edc872343a662b03dbed95a9d0dc8618235da167b701edad09de747c3dabb2c
