[INFO] cloning repository https://github.com/thewarsawpakt/chip8emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thewarsawpakt/chip8emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthewarsawpakt%2Fchip8emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthewarsawpakt%2Fchip8emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb8cf8183acd08c33833c1982883b5f8ffad2aca
[INFO] testing thewarsawpakt/chip8emulator against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthewarsawpakt%2Fchip8emulator" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thewarsawpakt/chip8emulator
[INFO] finished tweaking git repo https://github.com/thewarsawpakt/chip8emulator
[INFO] tweaked toml for git repo https://github.com/thewarsawpakt/chip8emulator written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thewarsawpakt/chip8emulator on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thewarsawpakt/chip8emulator 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded is-terminal v0.4.9
[INFO] [stderr]   Downloaded windows-targets v0.48.1
[INFO] [stderr]   Downloaded twelve_bit v0.1.1
[INFO] [stderr]   Downloaded log v0.4.19
[INFO] [stderr]   Downloaded errno v0.3.2
[INFO] [stderr]   Downloaded iana-time-zone v0.1.57
[INFO] [stderr]   Downloaded anyhow v1.0.72
[INFO] [stderr]   Downloaded cc v1.0.82
[INFO] [stderr]   Downloaded env_logger v0.10.0
[INFO] [stderr]   Downloaded aho-corasick v1.0.2
[INFO] [stderr]   Downloaded chrono v0.4.26
[INFO] [stderr]   Downloaded regex v1.9.3
[INFO] [stderr]   Downloaded syn v2.0.28
[INFO] [stderr]   Downloaded rustix v0.38.7
[INFO] [stderr]   Downloaded regex-syntax v0.7.4
[INFO] [stderr]   Downloaded regex-automata v0.3.6
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a01b66bda7e99bad8e2efaecd7bf14728d9854501c608bc46b52d044236dde2c
[INFO] running `Command { std: "docker" "start" "-a" "a01b66bda7e99bad8e2efaecd7bf14728d9854501c608bc46b52d044236dde2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a01b66bda7e99bad8e2efaecd7bf14728d9854501c608bc46b52d044236dde2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01b66bda7e99bad8e2efaecd7bf14728d9854501c608bc46b52d044236dde2c", kill_on_drop: false }`
[INFO] [stdout] a01b66bda7e99bad8e2efaecd7bf14728d9854501c608bc46b52d044236dde2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 566c522449c49d01d08630c1f7801c3bf04fca7f17972265add508848d9c920d
[INFO] running `Command { std: "docker" "start" "-a" "566c522449c49d01d08630c1f7801c3bf04fca7f17972265add508848d9c920d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling twelve_bit v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/cpu.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/cpu.rs:103:39
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Instruction::SHR_VX_VY(x, y) => {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/cpu.rs:122:39
[INFO] [stdout]     |
[INFO] [stdout] 122 |             Instruction::SHL_VX_VY(x, y) => {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/cpu.rs:145:40
[INFO] [stdout]     |
[INFO] [stdout] 145 |             Instruction::DRW_VX_VY_NIB(x, y, size) => {}
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/cpu.rs:145:43
[INFO] [stdout]     |
[INFO] [stdout] 145 |             Instruction::DRW_VX_VY_NIB(x, y, size) => {}
[INFO] [stdout]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/cpu.rs:145:46
[INFO] [stdout]     |
[INFO] [stdout] 145 |             Instruction::DRW_VX_VY_NIB(x, y, size) => {}
[INFO] [stdout]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROGRAM_LOAD_MEMORY_OFFSET` is never used
[INFO] [stdout]   --> src/cpu.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const PROGRAM_LOAD_MEMORY_OFFSET: i64 = 0x200;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/instruction.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     INVALID(u16),
[INFO] [stdout]   |     ------- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     INVALID(u16),
[INFO] [stdout] 8 +     INVALID(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instruction.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     SKP_VX(usize),
[INFO] [stdout]    |     ------ ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 -     SKP_VX(usize),
[INFO] [stdout] 33 +     SKP_VX(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instruction.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     SKNP_VX(usize),
[INFO] [stdout]    |     ------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 -     SKNP_VX(usize),
[INFO] [stdout] 34 +     SKNP_VX(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instruction.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     LD_F_VX(usize),
[INFO] [stdout]    |     ------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 -     LD_F_VX(usize),
[INFO] [stdout] 40 +     LD_F_VX(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/instruction.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     LD_BCD_VX(u8, usize),
[INFO] [stdout]    |     ---------     ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 41 -     LD_BCD_VX(u8, usize),
[INFO] [stdout] 41 +     LD_BCD_VX(u8, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SYS`, `LD_X_KK`, and `JP_V0_ADDR` are never constructed
[INFO] [stdout]   --> src/instruction.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum Instruction {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout]  8 |     INVALID(u16),
[INFO] [stdout]  9 |     SYS(usize),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     LD_X_KK(usize, u8),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     JP_V0_ADDR(usize),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` 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 13.81s
[INFO] running `Command { std: "docker" "inspect" "566c522449c49d01d08630c1f7801c3bf04fca7f17972265add508848d9c920d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566c522449c49d01d08630c1f7801c3bf04fca7f17972265add508848d9c920d", kill_on_drop: false }`
[INFO] [stdout] 566c522449c49d01d08630c1f7801c3bf04fca7f17972265add508848d9c920d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e73400fdd15ef8bb0e21a22ad3a24a04616a9c47d5d723abc18c050a6c60934
[INFO] running `Command { std: "docker" "start" "-a" "5e73400fdd15ef8bb0e21a22ad3a24a04616a9c47d5d723abc18c050a6c60934", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/cpu.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/cpu.rs:103:39
[INFO] [stdout]     |
[INFO] [stdout] 103 |             Instruction::SHR_VX_VY(x, y) => {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/cpu.rs:122:39
[INFO] [stdout]     |
[INFO] [stdout] 122 |             Instruction::SHL_VX_VY(x, y) => {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/cpu.rs:145:40
[INFO] [stdout]     |
[INFO] [stdout] 145 |             Instruction::DRW_VX_VY_NIB(x, y, size) => {}
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/cpu.rs:145:43
[INFO] [stdout]     |
[INFO] [stdout] 145 |             Instruction::DRW_VX_VY_NIB(x, y, size) => {}
[INFO] [stdout]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/cpu.rs:145:46
[INFO] [stdout]     |
[INFO] [stdout] 145 |             Instruction::DRW_VX_VY_NIB(x, y, size) => {}
[INFO] [stdout]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROGRAM_LOAD_MEMORY_OFFSET` is never used
[INFO] [stdout]   --> src/cpu.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const PROGRAM_LOAD_MEMORY_OFFSET: i64 = 0x200;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/instruction.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     INVALID(u16),
[INFO] [stdout]   |     ------- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     INVALID(u16),
[INFO] [stdout] 8 +     INVALID(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instruction.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     SKP_VX(usize),
[INFO] [stdout]    |     ------ ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 -     SKP_VX(usize),
[INFO] [stdout] 33 +     SKP_VX(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instruction.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     SKNP_VX(usize),
[INFO] [stdout]    |     ------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 -     SKNP_VX(usize),
[INFO] [stdout] 34 +     SKNP_VX(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/instruction.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |     LD_F_VX(usize),
[INFO] [stdout]    |     ------- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 -     LD_F_VX(usize),
[INFO] [stdout] 40 +     LD_F_VX(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/instruction.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     LD_BCD_VX(u8, usize),
[INFO] [stdout]    |     ---------     ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 41 -     LD_BCD_VX(u8, usize),
[INFO] [stdout] 41 +     LD_BCD_VX(u8, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SYS`, `LD_X_KK`, and `JP_V0_ADDR` are never constructed
[INFO] [stdout]   --> src/instruction.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum Instruction {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout]  8 |     INVALID(u16),
[INFO] [stdout]  9 |     SYS(usize),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     LD_X_KK(usize, u8),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     JP_V0_ADDR(usize),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` 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 0.41s
[INFO] running `Command { std: "docker" "inspect" "5e73400fdd15ef8bb0e21a22ad3a24a04616a9c47d5d723abc18c050a6c60934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e73400fdd15ef8bb0e21a22ad3a24a04616a9c47d5d723abc18c050a6c60934", kill_on_drop: false }`
[INFO] [stdout] 5e73400fdd15ef8bb0e21a22ad3a24a04616a9c47d5d723abc18c050a6c60934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8709f017125152046c61cb88d041c0271b6c5ff3b13de8f15afe5d6b4cf5606
[INFO] running `Command { std: "docker" "start" "-a" "a8709f017125152046c61cb88d041c0271b6c5ff3b13de8f15afe5d6b4cf5606", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/cpu.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 Err(e) => {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/cpu.rs:103:39
[INFO] [stderr]     |
[INFO] [stderr] 103 |             Instruction::SHR_VX_VY(x, y) => {
[INFO] [stderr]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/cpu.rs:122:39
[INFO] [stderr]     |
[INFO] [stderr] 122 |             Instruction::SHL_VX_VY(x, y) => {
[INFO] [stderr]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/cpu.rs:145:40
[INFO] [stderr]     |
[INFO] [stderr] 145 |             Instruction::DRW_VX_VY_NIB(x, y, size) => {}
[INFO] [stderr]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/cpu.rs:145:43
[INFO] [stderr]     |
[INFO] [stderr] 145 |             Instruction::DRW_VX_VY_NIB(x, y, size) => {}
[INFO] [stderr]     |                                           ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]    --> src/cpu.rs:145:46
[INFO] [stderr]     |
[INFO] [stderr] 145 |             Instruction::DRW_VX_VY_NIB(x, y, size) => {}
[INFO] [stderr]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PROGRAM_LOAD_MEMORY_OFFSET` is never used
[INFO] [stderr]   --> src/cpu.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | const PROGRAM_LOAD_MEMORY_OFFSET: i64 = 0x200;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/instruction.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     INVALID(u16),
[INFO] [stderr]   |     ------- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 8 -     INVALID(u16),
[INFO] [stderr] 8 +     INVALID(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/instruction.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     SKP_VX(usize),
[INFO] [stderr]    |     ------ ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 33 -     SKP_VX(usize),
[INFO] [stderr] 33 +     SKP_VX(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/instruction.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |     SKNP_VX(usize),
[INFO] [stderr]    |     ------- ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 34 -     SKNP_VX(usize),
[INFO] [stderr] 34 +     SKNP_VX(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/instruction.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |     LD_F_VX(usize),
[INFO] [stderr]    |     ------- ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 40 -     LD_F_VX(usize),
[INFO] [stderr] 40 +     LD_F_VX(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> src/instruction.rs:41:19
[INFO] [stderr]    |
[INFO] [stderr] 41 |     LD_BCD_VX(u8, usize),
[INFO] [stderr]    |     ---------     ^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 41 -     LD_BCD_VX(u8, usize),
[INFO] [stderr] 41 +     LD_BCD_VX(u8, ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variants `SYS`, `LD_X_KK`, and `JP_V0_ADDR` are never constructed
[INFO] [stderr]   --> src/instruction.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr]  7 | pub enum Instruction {
[INFO] [stderr]    |          ----------- variants in this enum
[INFO] [stderr]  8 |     INVALID(u16),
[INFO] [stderr]  9 |     SYS(usize),
[INFO] [stderr]    |     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     LD_X_KK(usize, u8),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     JP_V0_ADDR(usize),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `chip8` (bin "chip8" test) generated 13 warnings (run `cargo fix --bin "chip8" -p chip8 --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chip8-6f666adaf998541b)
[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" "a8709f017125152046c61cb88d041c0271b6c5ff3b13de8f15afe5d6b4cf5606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8709f017125152046c61cb88d041c0271b6c5ff3b13de8f15afe5d6b4cf5606", kill_on_drop: false }`
[INFO] [stdout] a8709f017125152046c61cb88d041c0271b6c5ff3b13de8f15afe5d6b4cf5606
