[INFO] cloning repository https://github.com/daniel-j-anderson-dev/simple_chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel-j-anderson-dev/simple_chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-j-anderson-dev%2Fsimple_chip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-j-anderson-dev%2Fsimple_chip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 519315a5bd1ede9c7fe95563065b704fe67158d0
[INFO] testing daniel-j-anderson-dev/simple_chip8 against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-j-anderson-dev%2Fsimple_chip8" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/daniel-j-anderson-dev/simple_chip8
[INFO] finished tweaking git repo https://github.com/daniel-j-anderson-dev/simple_chip8
[INFO] tweaked toml for git repo https://github.com/daniel-j-anderson-dev/simple_chip8 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/daniel-j-anderson-dev/simple_chip8 on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/daniel-j-anderson-dev/simple_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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing daniel-j-anderson-dev/simple_chip8 against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-j-anderson-dev%2Fsimple_chip8" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/daniel-j-anderson-dev/simple_chip8
[INFO] finished tweaking git repo https://github.com/daniel-j-anderson-dev/simple_chip8
[INFO] tweaked toml for git repo https://github.com/daniel-j-anderson-dev/simple_chip8 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/daniel-j-anderson-dev/simple_chip8 on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/daniel-j-anderson-dev/simple_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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd0f3273142bbd22810056dfda975be1610716b319c2986f70c2e4ad67d82d77
[INFO] running `Command { std: "docker" "start" "-a" "dd0f3273142bbd22810056dfda975be1610716b319c2986f70c2e4ad67d82d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd0f3273142bbd22810056dfda975be1610716b319c2986f70c2e4ad67d82d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd0f3273142bbd22810056dfda975be1610716b319c2986f70c2e4ad67d82d77", kill_on_drop: false }`
[INFO] [stdout] dd0f3273142bbd22810056dfda975be1610716b319c2986f70c2e4ad67d82d77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2d06a1e3f59cb5092edc7f0cde015ee065b9c49fe63dbfe4f0058d58dce1266
[INFO] running `Command { std: "docker" "start" "-a" "f2d06a1e3f59cb5092edc7f0cde015ee065b9c49fe63dbfe4f0058d58dce1266", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling chip8_scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]  --> src/opcode_methods.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn execute_1nnn(&mut self, address: u16) -> Result<(), Chip8Error> {
[INFO] [stdout]   |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v_register_index`
[INFO] [stdout]   --> src/opcode_methods.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn execute_6xnn(&mut self, v_register_index: u8, value: u8) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_register_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/opcode_methods.rs:11:58
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn execute_6xnn(&mut self, v_register_index: u8, value: u8) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v_register_index`
[INFO] [stdout]   --> src/opcode_methods.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn execute_7xnn(&mut self, v_register_index: u8,  value: u8) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_register_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/opcode_methods.rs:15:59
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn execute_7xnn(&mut self, v_register_index: u8,  value: u8) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/opcode_methods.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn execute_annn(&mut self, address: u16) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Chip8 {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 13 |     memory: Memory,
[INFO] [stdout] 14 |     stack: CallStack,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     sound_timer: SoundTimer,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     delay_timer: DelayTimer,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 17 |     v: VRegisters,
[INFO] [stdout]    |     ^
[INFO] [stdout] 18 |     i: IRegister,
[INFO] [stdout]    |     ^
[INFO] [stdout] 19 |     display: Display,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 20 |     keypad: Keypad,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chip8` has a derived impl for the trait `Debug`, 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: field `0` is never read
[INFO] [stdout]   --> src/user_interface/keypad.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Keypad([[bool; 4]; 4]);
[INFO] [stdout]    |            ------ ^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Keypad` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "f2d06a1e3f59cb5092edc7f0cde015ee065b9c49fe63dbfe4f0058d58dce1266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d06a1e3f59cb5092edc7f0cde015ee065b9c49fe63dbfe4f0058d58dce1266", kill_on_drop: false }`
[INFO] [stdout] f2d06a1e3f59cb5092edc7f0cde015ee065b9c49fe63dbfe4f0058d58dce1266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52b640050062be2caf0d210febd6852f288221572633dbf687abeaa497219c73
[INFO] running `Command { std: "docker" "start" "-a" "52b640050062be2caf0d210febd6852f288221572633dbf687abeaa497219c73", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]  --> src/opcode_methods.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn execute_1nnn(&mut self, address: u16) -> Result<(), Chip8Error> {
[INFO] [stdout]   |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v_register_index`
[INFO] [stdout]   --> src/opcode_methods.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn execute_6xnn(&mut self, v_register_index: u8, value: u8) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_register_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chip8_scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/opcode_methods.rs:11:58
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn execute_6xnn(&mut self, v_register_index: u8, value: u8) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v_register_index`
[INFO] [stdout]   --> src/opcode_methods.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn execute_7xnn(&mut self, v_register_index: u8,  value: u8) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_register_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/opcode_methods.rs:15:59
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn execute_7xnn(&mut self, v_register_index: u8,  value: u8) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/opcode_methods.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn execute_annn(&mut self, address: u16) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Chip8 {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 13 |     memory: Memory,
[INFO] [stdout] 14 |     stack: CallStack,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     sound_timer: SoundTimer,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     delay_timer: DelayTimer,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 17 |     v: VRegisters,
[INFO] [stdout]    |     ^
[INFO] [stdout] 18 |     i: IRegister,
[INFO] [stdout]    |     ^
[INFO] [stdout] 19 |     display: Display,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 20 |     keypad: Keypad,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chip8` has a derived impl for the trait `Debug`, 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: field `0` is never read
[INFO] [stdout]   --> src/user_interface/keypad.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Keypad([[bool; 4]; 4]);
[INFO] [stdout]    |            ------ ^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Keypad` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]  --> src/opcode_methods.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn execute_1nnn(&mut self, address: u16) -> Result<(), Chip8Error> {
[INFO] [stdout]   |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v_register_index`
[INFO] [stdout]   --> src/opcode_methods.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn execute_6xnn(&mut self, v_register_index: u8, value: u8) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_register_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/opcode_methods.rs:11:58
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn execute_6xnn(&mut self, v_register_index: u8, value: u8) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v_register_index`
[INFO] [stdout]   --> src/opcode_methods.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn execute_7xnn(&mut self, v_register_index: u8,  value: u8) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_register_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/opcode_methods.rs:15:59
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn execute_7xnn(&mut self, v_register_index: u8,  value: u8) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/opcode_methods.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn execute_annn(&mut self, address: u16) -> Result<(), Chip8Error> {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Chip8 {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 13 |     memory: Memory,
[INFO] [stdout] 14 |     stack: CallStack,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     sound_timer: SoundTimer,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     delay_timer: DelayTimer,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 17 |     v: VRegisters,
[INFO] [stdout]    |     ^
[INFO] [stdout] 18 |     i: IRegister,
[INFO] [stdout]    |     ^
[INFO] [stdout] 19 |     display: Display,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 20 |     keypad: Keypad,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chip8` has a derived impl for the trait `Debug`, 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: field `0` is never read
[INFO] [stdout]   --> src/user_interface/keypad.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Keypad([[bool; 4]; 4]);
[INFO] [stdout]    |            ------ ^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Keypad` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "52b640050062be2caf0d210febd6852f288221572633dbf687abeaa497219c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b640050062be2caf0d210febd6852f288221572633dbf687abeaa497219c73", kill_on_drop: false }`
[INFO] [stdout] 52b640050062be2caf0d210febd6852f288221572633dbf687abeaa497219c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8639b38677a7e92e4ff17e2e52378c4a5c2afa155365746be5766bac07613301
[INFO] running `Command { std: "docker" "start" "-a" "8639b38677a7e92e4ff17e2e52378c4a5c2afa155365746be5766bac07613301", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]  --> src/opcode_methods.rs:7:36
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn execute_1nnn(&mut self, address: u16) -> Result<(), Chip8Error> {
[INFO] [stderr]   |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v_register_index`
[INFO] [stderr]   --> src/opcode_methods.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn execute_6xnn(&mut self, v_register_index: u8, value: u8) -> Result<(), Chip8Error> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_register_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/opcode_methods.rs:11:58
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn execute_6xnn(&mut self, v_register_index: u8, value: u8) -> Result<(), Chip8Error> {
[INFO] [stderr]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v_register_index`
[INFO] [stderr]   --> src/opcode_methods.rs:15:36
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn execute_7xnn(&mut self, v_register_index: u8,  value: u8) -> Result<(), Chip8Error> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_v_register_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/opcode_methods.rs:15:59
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn execute_7xnn(&mut self, v_register_index: u8,  value: u8) -> Result<(), Chip8Error> {
[INFO] [stderr]    |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]   --> src/opcode_methods.rs:19:36
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn execute_annn(&mut self, address: u16) -> Result<(), Chip8Error> {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/lib.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Chip8 {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 13 |     memory: Memory,
[INFO] [stderr] 14 |     stack: CallStack,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 15 |     sound_timer: SoundTimer,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 16 |     delay_timer: DelayTimer,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 17 |     v: VRegisters,
[INFO] [stderr]    |     ^
[INFO] [stderr] 18 |     i: IRegister,
[INFO] [stderr]    |     ^
[INFO] [stderr] 19 |     display: Display,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 20 |     keypad: Keypad,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Chip8` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/user_interface/keypad.rs:22:19
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct Keypad([[bool; 4]; 4]);
[INFO] [stderr]    |            ------ ^^^^^^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `Keypad` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8_scratch` (lib) generated 8 warnings
[INFO] [stderr] warning: `chip8_scratch` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chip8_scratch-2b8c31f8c28acbaa)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::create_opcode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chip8_scratch
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8639b38677a7e92e4ff17e2e52378c4a5c2afa155365746be5766bac07613301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8639b38677a7e92e4ff17e2e52378c4a5c2afa155365746be5766bac07613301", kill_on_drop: false }`
[INFO] [stdout] 8639b38677a7e92e4ff17e2e52378c4a5c2afa155365746be5766bac07613301