[INFO] cloning repository https://github.com/Naymoll/nes_emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Naymoll/nes_emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaymoll%2Fnes_emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaymoll%2Fnes_emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 869793c8629d0d736db20dec06d95bb16449e808
[INFO] checking Naymoll/nes_emulator against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaymoll%2Fnes_emulator" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Naymoll/nes_emulator on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Naymoll/nes_emulator
[INFO] finished tweaking git repo https://github.com/Naymoll/nes_emulator
[INFO] tweaked toml for git repo https://github.com/Naymoll/nes_emulator written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Naymoll/nes_emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d167b5290515a16b6b3b7a985a1e59d58ff44d7af7616ce78b46b258cc942f54
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d167b5290515a16b6b3b7a985a1e59d58ff44d7af7616ce78b46b258cc942f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d167b5290515a16b6b3b7a985a1e59d58ff44d7af7616ce78b46b258cc942f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d167b5290515a16b6b3b7a985a1e59d58ff44d7af7616ce78b46b258cc942f54", kill_on_drop: false }`
[INFO] [stdout] d167b5290515a16b6b3b7a985a1e59d58ff44d7af7616ce78b46b258cc942f54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db72f15aa0306906b124684c6859cd3086774920352782ad02c94beb7eba9e9f
[INFO] running `Command { std: "docker" "start" "-a" "db72f15aa0306906b124684c6859cd3086774920352782ad02c94beb7eba9e9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking nes_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Register`
[INFO] [stdout]   --> src/nes/cpu.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Register {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CARRY_MASK`
[INFO] [stdout]   --> src/nes/cpu.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | const CARRY_MASK: u16 = 256;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OVERFLOW_MASK`
[INFO] [stdout]   --> src/nes/cpu.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | const OVERFLOW_MASK: u16 = 128;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute_commands`
[INFO] [stdout]   --> src/nes/cpu.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn execute_commands(&mut self, commands: std::vec::Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `address`
[INFO] [stdout]    --> src/nes/cpu.rs:405:8
[INFO] [stdout]     |
[INFO] [stdout] 405 |     fn address(&self, mode: AddressingMode) -> u16 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inc_program_counter`
[INFO] [stdout]    --> src/nes/cpu.rs:465:8
[INFO] [stdout]     |
[INFO] [stdout] 465 |     fn inc_program_counter(&mut self, value: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_carry_flag`
[INFO] [stdout]    --> src/nes/cpu.rs:469:8
[INFO] [stdout]     |
[INFO] [stdout] 469 |     fn set_carry_flag(&mut self, value: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_zero_flag`
[INFO] [stdout]    --> src/nes/cpu.rs:473:8
[INFO] [stdout]     |
[INFO] [stdout] 473 |     fn update_zero_flag(&mut self, value: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_interrupt_disable_flag`
[INFO] [stdout]    --> src/nes/cpu.rs:477:8
[INFO] [stdout]     |
[INFO] [stdout] 477 |     fn set_interrupt_disable_flag(&mut self, value: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_decimal_mode_flag`
[INFO] [stdout]    --> src/nes/cpu.rs:481:8
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn set_decimal_mode_flag(&mut self, value: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_break_command_flag`
[INFO] [stdout]    --> src/nes/cpu.rs:485:8
[INFO] [stdout]     |
[INFO] [stdout] 485 |     fn set_break_command_flag(&mut self, value: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_overflow_flag`
[INFO] [stdout]    --> src/nes/cpu.rs:489:8
[INFO] [stdout]     |
[INFO] [stdout] 489 |     fn set_overflow_flag(&mut self, value: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_negative_flag`
[INFO] [stdout]    --> src/nes/cpu.rs:493:8
[INFO] [stdout]     |
[INFO] [stdout] 493 |     fn update_negative_flag(&mut self, value: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_register`
[INFO] [stdout]    --> src/nes/cpu.rs:498:8
[INFO] [stdout]     |
[INFO] [stdout] 498 |     fn set_register(&mut self, register: Register, value: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `adc`
[INFO] [stdout]    --> src/nes/cpu.rs:510:8
[INFO] [stdout]     |
[INFO] [stdout] 510 |     fn adc(&mut self, value: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `asl`
[INFO] [stdout]    --> src/nes/cpu.rs:524:8
[INFO] [stdout]     |
[INFO] [stdout] 524 |     fn asl(&mut self, mut value: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bit`
[INFO] [stdout]    --> src/nes/cpu.rs:534:8
[INFO] [stdout]     |
[INFO] [stdout] 534 |     fn bit(&mut self, value: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compare`
[INFO] [stdout]    --> src/nes/cpu.rs:540:8
[INFO] [stdout]     |
[INFO] [stdout] 540 |     fn compare(&mut self, lhs: u8, rhs: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `decrement`
[INFO] [stdout]    --> src/nes/cpu.rs:548:8
[INFO] [stdout]     |
[INFO] [stdout] 548 |     fn decrement(&mut self, mut value: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment`
[INFO] [stdout]    --> src/nes/cpu.rs:556:8
[INFO] [stdout]     |
[INFO] [stdout] 556 |     fn increment(&mut self, mut value: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lsr`
[INFO] [stdout]    --> src/nes/cpu.rs:565:8
[INFO] [stdout]     |
[INFO] [stdout] 565 |     fn lsr(&mut self, mut value: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rol`
[INFO] [stdout]    --> src/nes/cpu.rs:576:8
[INFO] [stdout]     |
[INFO] [stdout] 576 |     fn rol(&mut self, mut value: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ror`
[INFO] [stdout]    --> src/nes/cpu.rs:593:8
[INFO] [stdout]     |
[INFO] [stdout] 593 |     fn ror(&mut self, mut value: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sbc`
[INFO] [stdout]    --> src/nes/cpu.rs:609:8
[INFO] [stdout]     |
[INFO] [stdout] 609 |     fn sbc(&mut self, value: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/nes/cpu.rs:653:13
[INFO] [stdout]     |
[INFO] [stdout] 653 |         let mut cpu = CPU::new();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/nes/cpu.rs:671:13
[INFO] [stdout]     |
[INFO] [stdout] 671 |         let mut cpu = CPU::new();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_break_command_flag`
[INFO] [stdout]    --> src/nes/cpu.rs:485:8
[INFO] [stdout]     |
[INFO] [stdout] 485 |     fn set_break_command_flag(&mut self, value: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "db72f15aa0306906b124684c6859cd3086774920352782ad02c94beb7eba9e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db72f15aa0306906b124684c6859cd3086774920352782ad02c94beb7eba9e9f", kill_on_drop: false }`
[INFO] [stdout] db72f15aa0306906b124684c6859cd3086774920352782ad02c94beb7eba9e9f