[INFO] cloning repository https://github.com/JJendryka/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JJendryka/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJJendryka%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJJendryka%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03f10d7804f68a5941daef1bef813940d75f05cd
[INFO] checking JJendryka/chip8 against master#568f6a8641e391ffcdcdb03e79d0901731d8d399 for pr-117164-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJJendryka%2Fchip8" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JJendryka/chip8 on toolchain 568f6a8641e391ffcdcdb03e79d0901731d8d399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JJendryka/chip8
[INFO] finished tweaking git repo https://github.com/JJendryka/chip8
[INFO] tweaked toml for git repo https://github.com/JJendryka/chip8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JJendryka/chip8 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" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b623d46b3fd3771c3f6dab6c853962ac62a31ca3428fa89274c2b876dae62f1
[INFO] running `Command { std: "docker" "start" "-a" "1b623d46b3fd3771c3f6dab6c853962ac62a31ca3428fa89274c2b876dae62f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b623d46b3fd3771c3f6dab6c853962ac62a31ca3428fa89274c2b876dae62f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b623d46b3fd3771c3f6dab6c853962ac62a31ca3428fa89274c2b876dae62f1", kill_on_drop: false }`
[INFO] [stdout] 1b623d46b3fd3771c3f6dab6c853962ac62a31ca3428fa89274c2b876dae62f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+568f6a8641e391ffcdcdb03e79d0901731d8d399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51eacf8a8a27b03e09a93c213c6e129217f1af3601290e74b2c60a0de764c9eb
[INFO] running `Command { std: "docker" "start" "-a" "51eacf8a8a27b03e09a93c213c6e129217f1af3601290e74b2c60a0de764c9eb", kill_on_drop: false }`
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[INFO] [stderr]     Checking gilrs v0.7.4
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking toml v0.5.6
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[INFO] [stdout] warning: unused import: `EventHandler`
[INFO] [stdout]  --> src/main.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ggez::event::{self, EventHandler};
[INFO] [stdout]   |                         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]  --> src/simulator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::random;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EventHandler`
[INFO] [stdout]  --> src/main.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ggez::event::{self, EventHandler};
[INFO] [stdout]   |                         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::random`
[INFO] [stdout]  --> src/simulator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::random;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]   --> src/simulator.rs:48:50
[INFO] [stdout]    |
[INFO] [stdout] 48 | op!(OP_OOEO, "CLEAR screen", |chip8: &mut Chip8, opcode: &Opcode| { 
[INFO] [stdout]    |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]   --> src/simulator.rs:53:60
[INFO] [stdout]    |
[INFO] [stdout] 53 | op!(OP_OOEE, "RETURN from subroutine", |chip8: &mut Chip8, opcode: &Opcode| { 
[INFO] [stdout]    |                                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/simulator.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |         let output = operation.display.to_string(); //.replace("{Vb}", vb).replace({Vc}, vc)
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]   --> src/simulator.rs:48:50
[INFO] [stdout]    |
[INFO] [stdout] 48 | op!(OP_OOEO, "CLEAR screen", |chip8: &mut Chip8, opcode: &Opcode| { 
[INFO] [stdout]    |                                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `display` and `name` are never read
[INFO] [stdout]   --> src/simulator.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Operation {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 33 |     execute: Execute,
[INFO] [stdout] 34 |     display: &'static str,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 35 |     name: &'static str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_operation` is never used
[INFO] [stdout]    --> src/simulator.rs:294:8
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl Chip8 {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 294 |     fn print_operation(&mut self, operation: &Operation, opcode: &Opcode) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_1nnn` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | op!(OP_1nnn, "JUMP to nnn{bcd}", |chip8: &mut Chip8, opcode: &Opcode| { 
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case: `OP_1NNN`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_2nnn` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | op!(OP_2nnn, "CALL abc{bcd}", |chip8: &mut Chip8, opcode: &Opcode| { 
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case: `OP_2NNN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_3xkk` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | op!(OP_3xkk, "SKIP if Vx{Vb} equal to kk{cd}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_3XKK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_4xkk` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | op!(OP_4xkk, "SKIP if Vx{Vb} not equal to kk{cd}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_4XKK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_5xy0` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | op!(OP_5xy0, "SKIP if Vx{Vb} equal to Vy{Vc}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_5XY0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_6xkk` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | op!(OP_6xkk, "SET Vx{Vb} to kk{cd}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_6XKK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_7xkk` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | op!(OP_7xkk, "ADD kk{cd} to Vx{Vb} without carry", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_7XKK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]   --> src/simulator.rs:53:60
[INFO] [stdout]    |
[INFO] [stdout] 53 | op!(OP_OOEE, "RETURN from subroutine", |chip8: &mut Chip8, opcode: &Opcode| { 
[INFO] [stdout]    |                                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy0` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | op!(OP_8xy0, "MOVE Vy{Vc} to Vx{Vb}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy1` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | op!(OP_8xy1, "OR Vx{Vb} with Vy{Vc} and store to Vx", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy2` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 | op!(OP_8xy2, "AND Vx{Vb} with Vy{Vc} and store to Vx", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy3` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | op!(OP_8xy3, "XOR Vx{Vb} with Vy{Vc} and store to Vx", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy4` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | op!(OP_8xy4, "ADD Vy{Vc} to Vx{Vb} and store to Vx with carry", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy5` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | op!(OP_8xy5, "SUB Vy{Vc} from Vx{Vb} and store to Vx with borrow", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy6` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | op!(OP_8xy6, "SHIFT RIGHT Vx{Vb} and store LSB to VF", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy7` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | op!(OP_8xy7, "SUB Vx{Vc} from Vy{Vb} and store to Vx with borrow", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xyE` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | op!(OP_8xyE, "SHIFT LEFT Vx{Vb} and store MSB to VF", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_8XY_E`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_9xy0` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 | op!(OP_9xy0, "SKIP if Vx{Vb} != Vy{Vc}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_9XY0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Annn` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 | op!(OP_Annn, "SET I to nnn{bcd}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_ANNN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Bnnn` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 | op!(OP_Bnnn, "JUMP to nnn{bcd} + VO", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_BNNN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Cxkk` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 | op!(OP_Cxkk, "RAND to Vx{Vb} and AND with kk{cd}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_CXKK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Dxyn` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 | op!(OP_Dxyn, "DRAW n{d} byte sprite at coordinates (Vx{Vb}, Vy{Vc})", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_DXYN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Ex9E` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | op!(OP_Ex9E, "SKIP if Vx{Vb} key is pressed", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_EX9_E`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_ExA1` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 | op!(OP_ExA1, "SKIP if Vx{Vb} key is NOT pressed", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_EX_A1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx07` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | op!(OP_Fx07, "SET Vx{Vb} to delay_timer", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX07`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx0A` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 | op!(OP_Fx0A, "WAIT for keypress. Store key to Vx{Vb}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_FX0_A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx15` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 208 | op!(OP_Fx15, "SET delay_timer to Vx{Vb}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX15`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx18` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 | op!(OP_Fx18, "SET sound_timer to Vx{Vb}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX18`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx1E` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | op!(OP_Fx1E, "ADD Vx{Vb} to I and store in I", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_FX1_E`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx29` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 | op!(OP_Fx29, "SET I to location of sprite for digit stored in Vx{Vb}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX29`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx33` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 | op!(OP_Fx33, "STORE BCD of Vx{Vb} in memory starting with address I", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX33`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx55` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | op!(OP_Fx55, "STORE registers V0-Vx{Vb} to mem[I]-mem[I+x]", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX55`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx65` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 | op!(OP_Fx65, "LOAD mem[I]-mem[I+x] to registers V0-Vx{Vb}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX65`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> src/simulator.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |         let output = operation.display.to_string(); //.replace("{Vb}", vb).replace({Vc}, vc)
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `display` and `name` are never read
[INFO] [stdout]   --> src/simulator.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Operation {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 33 |     execute: Execute,
[INFO] [stdout] 34 |     display: &'static str,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 35 |     name: &'static str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_operation` is never used
[INFO] [stdout]    --> src/simulator.rs:294:8
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl Chip8 {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 294 |     fn print_operation(&mut self, operation: &Operation, opcode: &Opcode) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_1nnn` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | op!(OP_1nnn, "JUMP to nnn{bcd}", |chip8: &mut Chip8, opcode: &Opcode| { 
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case: `OP_1NNN`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_2nnn` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | op!(OP_2nnn, "CALL abc{bcd}", |chip8: &mut Chip8, opcode: &Opcode| { 
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case: `OP_2NNN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_3xkk` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | op!(OP_3xkk, "SKIP if Vx{Vb} equal to kk{cd}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_3XKK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_4xkk` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 | op!(OP_4xkk, "SKIP if Vx{Vb} not equal to kk{cd}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_4XKK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_5xy0` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | op!(OP_5xy0, "SKIP if Vx{Vb} equal to Vy{Vc}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_5XY0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_6xkk` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | op!(OP_6xkk, "SET Vx{Vb} to kk{cd}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_6XKK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_7xkk` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | op!(OP_7xkk, "ADD kk{cd} to Vx{Vb} without carry", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_7XKK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy0` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | op!(OP_8xy0, "MOVE Vy{Vc} to Vx{Vb}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy1` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | op!(OP_8xy1, "OR Vx{Vb} with Vy{Vc} and store to Vx", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy2` should have an upper case name
[INFO] [stdout]   --> src/simulator.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 | op!(OP_8xy2, "AND Vx{Vb} with Vy{Vc} and store to Vx", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy3` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | op!(OP_8xy3, "XOR Vx{Vb} with Vy{Vc} and store to Vx", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy4` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | op!(OP_8xy4, "ADD Vy{Vc} to Vx{Vb} and store to Vx with carry", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy5` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 | op!(OP_8xy5, "SUB Vy{Vc} from Vx{Vb} and store to Vx with borrow", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy6` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | op!(OP_8xy6, "SHIFT RIGHT Vx{Vb} and store LSB to VF", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xy7` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | op!(OP_8xy7, "SUB Vx{Vc} from Vy{Vb} and store to Vx with borrow", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_8XY7`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_8xyE` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 | op!(OP_8xyE, "SHIFT LEFT Vx{Vb} and store MSB to VF", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_8XY_E`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_9xy0` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 | op!(OP_9xy0, "SKIP if Vx{Vb} != Vy{Vc}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_9XY0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Annn` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 157 | op!(OP_Annn, "SET I to nnn{bcd}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_ANNN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Bnnn` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 | op!(OP_Bnnn, "JUMP to nnn{bcd} + VO", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_BNNN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Cxkk` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 | op!(OP_Cxkk, "RAND to Vx{Vb} and AND with kk{cd}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_CXKK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Dxyn` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 | op!(OP_Dxyn, "DRAW n{d} byte sprite at coordinates (Vx{Vb}, Vy{Vc})", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_DXYN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Ex9E` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | op!(OP_Ex9E, "SKIP if Vx{Vb} key is pressed", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_EX9_E`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_ExA1` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 193 | op!(OP_ExA1, "SKIP if Vx{Vb} key is NOT pressed", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_EX_A1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx07` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | op!(OP_Fx07, "SET Vx{Vb} to delay_timer", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX07`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx0A` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 | op!(OP_Fx0A, "WAIT for keypress. Store key to Vx{Vb}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_FX0_A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx15` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 208 | op!(OP_Fx15, "SET delay_timer to Vx{Vb}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX15`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx18` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:213:5
[INFO] [stdout]     |
[INFO] [stdout] 213 | op!(OP_Fx18, "SET sound_timer to Vx{Vb}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX18`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx1E` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | op!(OP_Fx1E, "ADD Vx{Vb} to I and store in I", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case: `OP_FX1_E`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx29` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:223:5
[INFO] [stdout]     |
[INFO] [stdout] 223 | op!(OP_Fx29, "SET I to location of sprite for digit stored in Vx{Vb}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX29`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx33` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 | op!(OP_Fx33, "STORE BCD of Vx{Vb} in memory starting with address I", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX33`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx55` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:235:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | op!(OP_Fx55, "STORE registers V0-Vx{Vb} to mem[I]-mem[I+x]", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX55`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OP_Fx65` should have an upper case name
[INFO] [stdout]    --> src/simulator.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 | op!(OP_Fx65, "LOAD mem[I]-mem[I+x] to registers V0-Vx{Vb}", |chip8: &mut Chip8, opcode: &Opcode| {
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper case (notice the capitalization): `OP_FX65`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "51eacf8a8a27b03e09a93c213c6e129217f1af3601290e74b2c60a0de764c9eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51eacf8a8a27b03e09a93c213c6e129217f1af3601290e74b2c60a0de764c9eb", kill_on_drop: false }`
[INFO] [stdout] 51eacf8a8a27b03e09a93c213c6e129217f1af3601290e74b2c60a0de764c9eb
