[INFO] cloning repository https://github.com/Ecnavda/opcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ecnavda/opcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEcnavda%2Fopcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEcnavda%2Fopcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ed14b71318189721f1560b8c2b52fc31e3798f7
[INFO] testing Ecnavda/opcode against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEcnavda%2Fopcode" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ecnavda/opcode on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ecnavda/opcode
[INFO] finished tweaking git repo https://github.com/Ecnavda/opcode
[INFO] tweaked toml for git repo https://github.com/Ecnavda/opcode written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/Ecnavda/opcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79aa9117cee20f53a2e86eef65cd3a09d756f33a37cf58802e3232d17c2c3648
[INFO] running `Command { std: "docker" "start" "-a" "79aa9117cee20f53a2e86eef65cd3a09d756f33a37cf58802e3232d17c2c3648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79aa9117cee20f53a2e86eef65cd3a09d756f33a37cf58802e3232d17c2c3648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79aa9117cee20f53a2e86eef65cd3a09d756f33a37cf58802e3232d17c2c3648", kill_on_drop: false }`
[INFO] [stdout] 79aa9117cee20f53a2e86eef65cd3a09d756f33a37cf58802e3232d17c2c3648
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39a33467fde6bba0de6f391718680f6c5739425e5ec031a505d49cf6028ddf4a
[INFO] running `Command { std: "docker" "start" "-a" "39a33467fde6bba0de6f391718680f6c5739425e5ec031a505d49cf6028ddf4a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling opcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Target_Register` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Target_Register {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TargetRegister`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             _ => eprintln!("Unexpected instruction. Last instruction received: {:?}", instruction),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/main.rs:1196:12
[INFO] [stdout]      |
[INFO] [stdout] 1196 |         Ok(x) => {
[INFO] [stdout]      |            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/main.rs:1197:23
[INFO] [stdout]      |
[INFO] [stdout] 1197 |             if let Ok(x) = chip8.load_rom(&input) {
[INFO] [stdout]      |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]     --> src/main.rs:1204:13
[INFO] [stdout]      |
[INFO] [stdout] 1204 |         Err(e) => eprintln!("Something went wrong with your input. Please try again."),
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/main.rs:304:25
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn _Call(&mut self, address: u16) {
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]    --> src/main.rs:962:25
[INFO] [stdout]     |
[INFO] [stdout] 962 |     fn SHFTR(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]    --> src/main.rs:962:53
[INFO] [stdout]     |
[INFO] [stdout] 962 |     fn SHFTR(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]    --> src/main.rs:967:24
[INFO] [stdout]     |
[INFO] [stdout] 967 |     fn SUBY(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]    --> src/main.rs:967:52
[INFO] [stdout]     |
[INFO] [stdout] 967 |     fn SUBY(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]    --> src/main.rs:972:25
[INFO] [stdout]     |
[INFO] [stdout] 972 |     fn SHFTL(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]    --> src/main.rs:972:53
[INFO] [stdout]     |
[INFO] [stdout] 972 |     fn SHFTL(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]     --> src/main.rs:1035:24
[INFO] [stdout]      |
[INFO] [stdout] 1035 |     fn JMP0(&mut self, address: u16) {
[INFO] [stdout]      |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]     --> src/main.rs:1048:24
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stdout]      |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]     --> src/main.rs:1048:52
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stdout]      |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]     --> src/main.rs:1048:80
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stdout]      |                                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1053:25
[INFO] [stdout]      |
[INFO] [stdout] 1053 |     fn SKKEQ(&mut self, register: Target_Register) {
[INFO] [stdout]      |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1058:26
[INFO] [stdout]      |
[INFO] [stdout] 1058 |     fn SKKNEQ(&mut self, register: Target_Register) {
[INFO] [stdout]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1087:25
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn STORE(&mut self, register: Target_Register) {
[INFO] [stdout]      |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1164:26
[INFO] [stdout]      |
[INFO] [stdout] 1164 |     fn SPRITE(&mut self, register: Target_Register) {
[INFO] [stdout]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1169:23
[INFO] [stdout]      |
[INFO] [stdout] 1169 |     fn BCD(&mut self, register: Target_Register) {
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1174:24
[INFO] [stdout]      |
[INFO] [stdout] 1174 |     fn DUMP(&mut self, register: Target_Register) {
[INFO] [stdout]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1179:24
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     fn LOAD(&mut self, register: Target_Register) {
[INFO] [stdout]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "39a33467fde6bba0de6f391718680f6c5739425e5ec031a505d49cf6028ddf4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a33467fde6bba0de6f391718680f6c5739425e5ec031a505d49cf6028ddf4a", kill_on_drop: false }`
[INFO] [stdout] 39a33467fde6bba0de6f391718680f6c5739425e5ec031a505d49cf6028ddf4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f80fb07da6f1b0abcfe451323018d409c9f3f6c0a081a12fee96faf1552adef3
[INFO] running `Command { std: "docker" "start" "-a" "f80fb07da6f1b0abcfe451323018d409c9f3f6c0a081a12fee96faf1552adef3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling opcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Target_Register` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum Target_Register {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TargetRegister`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:300:13
[INFO] [stdout]     |
[INFO] [stdout] 300 |             _ => eprintln!("Unexpected instruction. Last instruction received: {:?}", instruction),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/main.rs:1196:12
[INFO] [stdout]      |
[INFO] [stdout] 1196 |         Ok(x) => {
[INFO] [stdout]      |            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]     --> src/main.rs:1197:23
[INFO] [stdout]      |
[INFO] [stdout] 1197 |             if let Ok(x) = chip8.load_rom(&input) {
[INFO] [stdout]      |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]     --> src/main.rs:1204:13
[INFO] [stdout]      |
[INFO] [stdout] 1204 |         Err(e) => eprintln!("Something went wrong with your input. Please try again."),
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/main.rs:304:25
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn _Call(&mut self, address: u16) {
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]    --> src/main.rs:962:25
[INFO] [stdout]     |
[INFO] [stdout] 962 |     fn SHFTR(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]    --> src/main.rs:962:53
[INFO] [stdout]     |
[INFO] [stdout] 962 |     fn SHFTR(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]    --> src/main.rs:967:24
[INFO] [stdout]     |
[INFO] [stdout] 967 |     fn SUBY(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]    --> src/main.rs:967:52
[INFO] [stdout]     |
[INFO] [stdout] 967 |     fn SUBY(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]    --> src/main.rs:972:25
[INFO] [stdout]     |
[INFO] [stdout] 972 |     fn SHFTL(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]    --> src/main.rs:972:53
[INFO] [stdout]     |
[INFO] [stdout] 972 |     fn SHFTL(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stdout]     |                                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]     --> src/main.rs:1035:24
[INFO] [stdout]      |
[INFO] [stdout] 1035 |     fn JMP0(&mut self, address: u16) {
[INFO] [stdout]      |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register1`
[INFO] [stdout]     --> src/main.rs:1048:24
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stdout]      |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register2`
[INFO] [stdout]     --> src/main.rs:1048:52
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stdout]      |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]     --> src/main.rs:1048:80
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stdout]      |                                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1053:25
[INFO] [stdout]      |
[INFO] [stdout] 1053 |     fn SKKEQ(&mut self, register: Target_Register) {
[INFO] [stdout]      |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1058:26
[INFO] [stdout]      |
[INFO] [stdout] 1058 |     fn SKKNEQ(&mut self, register: Target_Register) {
[INFO] [stdout]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1087:25
[INFO] [stdout]      |
[INFO] [stdout] 1087 |     fn STORE(&mut self, register: Target_Register) {
[INFO] [stdout]      |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1164:26
[INFO] [stdout]      |
[INFO] [stdout] 1164 |     fn SPRITE(&mut self, register: Target_Register) {
[INFO] [stdout]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1169:23
[INFO] [stdout]      |
[INFO] [stdout] 1169 |     fn BCD(&mut self, register: Target_Register) {
[INFO] [stdout]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1174:24
[INFO] [stdout]      |
[INFO] [stdout] 1174 |     fn DUMP(&mut self, register: Target_Register) {
[INFO] [stdout]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]     --> src/main.rs:1179:24
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     fn LOAD(&mut self, register: Target_Register) {
[INFO] [stdout]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.85s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/opcode-b9f843aa665613ee)
[INFO] running `Command { std: "docker" "inspect" "f80fb07da6f1b0abcfe451323018d409c9f3f6c0a081a12fee96faf1552adef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80fb07da6f1b0abcfe451323018d409c9f3f6c0a081a12fee96faf1552adef3", kill_on_drop: false }`
[INFO] [stdout] f80fb07da6f1b0abcfe451323018d409c9f3f6c0a081a12fee96faf1552adef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4eae98f965276e35c390c4ca2de9963f2b01616d2d92b1d2cc9c14534eb8799
[INFO] running `Command { std: "docker" "start" "-a" "e4eae98f965276e35c390c4ca2de9963f2b01616d2d92b1d2cc9c14534eb8799", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: type `Target_Register` should have an upper camel case name
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:25:6
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 25 | enum Target_Register {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TargetRegister`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/main.rs:300:13
[INFO] [stderr]     |
[INFO] [stderr] 300 |             _ => eprintln!("Unexpected instruction. Last instruction received: {:?}", instruction),
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/main.rs:1196:12
[INFO] [stderr]      |
[INFO] [stderr] 1196 |         Ok(x) => {
[INFO] [stderr]      |            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]     --> src/main.rs:1197:23
[INFO] [stderr]      |
[INFO] [stderr] 1197 |             if let Ok(x) = chip8.load_rom(&input) {
[INFO] [stderr]      |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]     --> src/main.rs:1204:13
[INFO] [stderr]      |
[INFO] [stderr] 1204 |         Err(e) => eprintln!("Something went wrong with your input. Please try again."),
[INFO] [stderr]      |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]    --> src/main.rs:304:25
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn _Call(&mut self, address: u16) {
[INFO] [stderr]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register1`
[INFO] [stderr]    --> src/main.rs:962:25
[INFO] [stderr]     |
[INFO] [stderr] 962 |     fn SHFTR(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stderr]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register2`
[INFO] [stderr]    --> src/main.rs:962:53
[INFO] [stderr]     |
[INFO] [stderr] 962 |     fn SHFTR(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stderr]     |                                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register1`
[INFO] [stderr]    --> src/main.rs:967:24
[INFO] [stderr]     |
[INFO] [stderr] 967 |     fn SUBY(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stderr]     |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register2`
[INFO] [stderr]    --> src/main.rs:967:52
[INFO] [stderr]     |
[INFO] [stderr] 967 |     fn SUBY(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stderr]     |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register1`
[INFO] [stderr]    --> src/main.rs:972:25
[INFO] [stderr]     |
[INFO] [stderr] 972 |     fn SHFTL(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stderr]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register2`
[INFO] [stderr]    --> src/main.rs:972:53
[INFO] [stderr]     |
[INFO] [stderr] 972 |     fn SHFTL(&mut self, register1: Target_Register, register2: Target_Register) {
[INFO] [stderr]     |                                                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]     --> src/main.rs:1035:24
[INFO] [stderr]      |
[INFO] [stderr] 1035 |     fn JMP0(&mut self, address: u16) {
[INFO] [stderr]      |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register1`
[INFO] [stderr]     --> src/main.rs:1048:24
[INFO] [stderr]      |
[INFO] [stderr] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stderr]      |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register2`
[INFO] [stderr]     --> src/main.rs:1048:52
[INFO] [stderr]      |
[INFO] [stderr] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stderr]      |                                                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]     --> src/main.rs:1048:80
[INFO] [stderr]      |
[INFO] [stderr] 1048 |     fn DRAW(&mut self, register1: Target_Register, register2: Target_Register, height: u8) {
[INFO] [stderr]      |                                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register`
[INFO] [stderr]     --> src/main.rs:1053:25
[INFO] [stderr]      |
[INFO] [stderr] 1053 |     fn SKKEQ(&mut self, register: Target_Register) {
[INFO] [stderr]      |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register`
[INFO] [stderr]     --> src/main.rs:1058:26
[INFO] [stderr]      |
[INFO] [stderr] 1058 |     fn SKKNEQ(&mut self, register: Target_Register) {
[INFO] [stderr]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register`
[INFO] [stderr]     --> src/main.rs:1087:25
[INFO] [stderr]      |
[INFO] [stderr] 1087 |     fn STORE(&mut self, register: Target_Register) {
[INFO] [stderr]      |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register`
[INFO] [stderr]     --> src/main.rs:1164:26
[INFO] [stderr]      |
[INFO] [stderr] 1164 |     fn SPRITE(&mut self, register: Target_Register) {
[INFO] [stderr]      |                          ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register`
[INFO] [stderr]     --> src/main.rs:1169:23
[INFO] [stderr]      |
[INFO] [stderr] 1169 |     fn BCD(&mut self, register: Target_Register) {
[INFO] [stderr]      |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register`
[INFO] [stderr]     --> src/main.rs:1174:24
[INFO] [stderr]      |
[INFO] [stderr] 1174 |     fn DUMP(&mut self, register: Target_Register) {
[INFO] [stderr]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register`
[INFO] [stderr]     --> src/main.rs:1179:24
[INFO] [stderr]      |
[INFO] [stderr] 1179 |     fn LOAD(&mut self, register: Target_Register) {
[INFO] [stderr]      |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stderr] 
[INFO] [stderr] warning: `opcode` (bin "opcode" test) generated 23 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/opcode-b9f843aa665613ee)
[INFO] running `Command { std: "docker" "inspect" "e4eae98f965276e35c390c4ca2de9963f2b01616d2d92b1d2cc9c14534eb8799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4eae98f965276e35c390c4ca2de9963f2b01616d2d92b1d2cc9c14534eb8799", kill_on_drop: false }`
[INFO] [stdout] e4eae98f965276e35c390c4ca2de9963f2b01616d2d92b1d2cc9c14534eb8799