[INFO] cloning repository https://github.com/henryksloan/kind-nes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/henryksloan/kind-nes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenryksloan%2Fkind-nes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenryksloan%2Fkind-nes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3b149e81e2c22ea327314f4e26784880973dc01
[INFO] checking henryksloan/kind-nes against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenryksloan%2Fkind-nes" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/henryksloan/kind-nes on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/henryksloan/kind-nes
[INFO] finished tweaking git repo https://github.com/henryksloan/kind-nes
[INFO] tweaked toml for git repo https://github.com/henryksloan/kind-nes written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/henryksloan/kind-nes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", 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] ff3dec60cfeac9f196b1be4bda7a4a17317caebeef69190bbd3c585a6b5a61b5
[INFO] running `Command { std: "docker" "start" "-a" "ff3dec60cfeac9f196b1be4bda7a4a17317caebeef69190bbd3c585a6b5a61b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff3dec60cfeac9f196b1be4bda7a4a17317caebeef69190bbd3c585a6b5a61b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3dec60cfeac9f196b1be4bda7a4a17317caebeef69190bbd3c585a6b5a61b5", kill_on_drop: false }`
[INFO] [stdout] ff3dec60cfeac9f196b1be4bda7a4a17317caebeef69190bbd3c585a6b5a61b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84be27487ae669bdf7dbf25c1d4af45eade36c2e94d09f8d2a5fd5a9405a7a6b
[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" "84be27487ae669bdf7dbf25c1d4af45eade36c2e94d09f8d2a5fd5a9405a7a6b", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking memory v0.1.0 (/opt/rustwide/workdir/memory)
[INFO] [stderr]     Checking cpu v0.1.0 (/opt/rustwide/workdir/cpu)
[INFO] [stdout] warning: unused import: `Instruction`
[INFO] [stdout]   --> cpu/src/lib.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::instruction::{Instruction, INSTRUCTIONS};
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instruction`
[INFO] [stdout]   --> cpu/src/lib.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::instruction::{Instruction, INSTRUCTIONS};
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_from_stack`
[INFO] [stdout]   --> cpu/src/status_register.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn set_from_stack(&mut self, val: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> cpu/src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     a: u8, // Accumulator
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> cpu/src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     x: u8, pub y: u8, // Index registers
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `p`
[INFO] [stdout]   --> cpu/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     p: StatusRegister,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `s`
[INFO] [stdout]   --> cpu/src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     s: u8, // Stack pointer
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pc`
[INFO] [stdout]   --> cpu/src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pc: u16, // Program counter
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `wait_cycles`
[INFO] [stdout]   --> cpu/src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     wait_cycles: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `memory`
[INFO] [stdout]   --> cpu/src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     memory: Box<dyn Memory>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tick`
[INFO] [stdout]   --> cpu/src/lib.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn tick(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_push`
[INFO] [stdout]   --> cpu/src/lib.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn stack_push(&mut self, data: u8) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_push_u16`
[INFO] [stdout]   --> cpu/src/lib.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn stack_push_u16(&mut self, data: u16) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_pop`
[INFO] [stdout]   --> cpu/src/lib.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn stack_pop(&mut self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_pop_u16`
[INFO] [stdout]   --> cpu/src/lib.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn stack_pop_u16(&mut self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_operand_address`
[INFO] [stdout]   --> cpu/src/lib.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn get_operand_address(&mut self, mode: &AddressingMode) -> (u16, bool) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute_op`
[INFO] [stdout]    --> cpu/src/lib.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn execute_op(&mut self, op_str: &str, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bit_op`
[INFO] [stdout]    --> cpu/src/lib.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn bit_op(&mut self, f: impl Fn(u8, u8) -> u8, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `branch_op`
[INFO] [stdout]    --> cpu/src/lib.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn branch_op(&mut self, flag: StatusRegister, value: bool, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compare_op`
[INFO] [stdout]    --> cpu/src/lib.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn compare_op(&mut self, reg: u8, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_op`
[INFO] [stdout]    --> cpu/src/lib.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn step_op(&mut self, delta: i8, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_reg_op`
[INFO] [stdout]    --> cpu/src/lib.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn step_reg_op(&mut self, delta: i8, reg: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load_op`
[INFO] [stdout]    --> cpu/src/lib.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn load_op(&mut self, mode: &AddressingMode) -> u8 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `store_op`
[INFO] [stdout]    --> cpu/src/lib.rs:235:8
[INFO] [stdout]     |
[INFO] [stdout] 235 |     fn store_op(&mut self, reg: u8, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transfer_op`
[INFO] [stdout]    --> cpu/src/lib.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn transfer_op(&mut self, from: u8, to_stack_pointer: bool) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `arithmetic_op`
[INFO] [stdout]    --> cpu/src/lib.rs:251:8
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn arithmetic_op(&mut self, subtract: bool, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shift_op`
[INFO] [stdout]    --> cpu/src/lib.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn shift_op(&mut self, left: bool, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_op`
[INFO] [stdout]    --> cpu/src/lib.rs:295:8
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn rotate_op(&mut self, left: bool, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `jump_op`
[INFO] [stdout]    --> cpu/src/lib.rs:315:8
[INFO] [stdout]     |
[INFO] [stdout] 315 |     fn jump_op(&mut self, save_return: bool, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bit`
[INFO] [stdout]    --> cpu/src/lib.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 |     fn bit(&mut self, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `brk`
[INFO] [stdout]    --> cpu/src/lib.rs:332:8
[INFO] [stdout]     |
[INFO] [stdout] 332 |     fn brk(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pla`
[INFO] [stdout]    --> cpu/src/lib.rs:340:8
[INFO] [stdout]     |
[INFO] [stdout] 340 |     fn pla(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rti`
[INFO] [stdout]    --> cpu/src/lib.rs:347:8
[INFO] [stdout]     |
[INFO] [stdout] 347 |     fn rti(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bin_to_bcd`
[INFO] [stdout]    --> cpu/src/lib.rs:356:4
[INFO] [stdout]     |
[INFO] [stdout] 356 | fn bin_to_bcd(x: u8) -> Result<u8, &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bcd_to_bin`
[INFO] [stdout]    --> cpu/src/lib.rs:363:4
[INFO] [stdout]     |
[INFO] [stdout] 363 | fn bcd_to_bin(x: u8) -> Result<u8, &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pages_differ`
[INFO] [stdout]    --> cpu/src/lib.rs:368:4
[INFO] [stdout]     |
[INFO] [stdout] 368 | fn pages_differ(addr1: u16, addr2: u16) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_from_stack`
[INFO] [stdout]   --> cpu/src/status_register.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn set_from_stack(&mut self, val: u8) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> cpu/src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     a: u8, // Accumulator
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> cpu/src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     x: u8, pub y: u8, // Index registers
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `p`
[INFO] [stdout]   --> cpu/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     p: StatusRegister,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `s`
[INFO] [stdout]   --> cpu/src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     s: u8, // Stack pointer
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pc`
[INFO] [stdout]   --> cpu/src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pc: u16, // Program counter
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `wait_cycles`
[INFO] [stdout]   --> cpu/src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     wait_cycles: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `memory`
[INFO] [stdout]   --> cpu/src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     memory: Box<dyn Memory>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tick`
[INFO] [stdout]   --> cpu/src/lib.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn tick(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_push`
[INFO] [stdout]   --> cpu/src/lib.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn stack_push(&mut self, data: u8) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_push_u16`
[INFO] [stdout]   --> cpu/src/lib.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn stack_push_u16(&mut self, data: u16) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_pop`
[INFO] [stdout]   --> cpu/src/lib.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn stack_pop(&mut self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stack_pop_u16`
[INFO] [stdout]   --> cpu/src/lib.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn stack_pop_u16(&mut self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_operand_address`
[INFO] [stdout]   --> cpu/src/lib.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn get_operand_address(&mut self, mode: &AddressingMode) -> (u16, bool) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute_op`
[INFO] [stdout]    --> cpu/src/lib.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn execute_op(&mut self, op_str: &str, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bit_op`
[INFO] [stdout]    --> cpu/src/lib.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn bit_op(&mut self, f: impl Fn(u8, u8) -> u8, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `branch_op`
[INFO] [stdout]    --> cpu/src/lib.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn branch_op(&mut self, flag: StatusRegister, value: bool, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compare_op`
[INFO] [stdout]    --> cpu/src/lib.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn compare_op(&mut self, reg: u8, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_op`
[INFO] [stdout]    --> cpu/src/lib.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn step_op(&mut self, delta: i8, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step_reg_op`
[INFO] [stdout]    --> cpu/src/lib.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 218 |     fn step_reg_op(&mut self, delta: i8, reg: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load_op`
[INFO] [stdout]    --> cpu/src/lib.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn load_op(&mut self, mode: &AddressingMode) -> u8 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `store_op`
[INFO] [stdout]    --> cpu/src/lib.rs:235:8
[INFO] [stdout]     |
[INFO] [stdout] 235 |     fn store_op(&mut self, reg: u8, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transfer_op`
[INFO] [stdout]    --> cpu/src/lib.rs:242:8
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn transfer_op(&mut self, from: u8, to_stack_pointer: bool) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `arithmetic_op`
[INFO] [stdout]    --> cpu/src/lib.rs:251:8
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn arithmetic_op(&mut self, subtract: bool, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shift_op`
[INFO] [stdout]    --> cpu/src/lib.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn shift_op(&mut self, left: bool, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_op`
[INFO] [stdout]    --> cpu/src/lib.rs:295:8
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn rotate_op(&mut self, left: bool, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `jump_op`
[INFO] [stdout]    --> cpu/src/lib.rs:315:8
[INFO] [stdout]     |
[INFO] [stdout] 315 |     fn jump_op(&mut self, save_return: bool, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bit`
[INFO] [stdout]    --> cpu/src/lib.rs:323:8
[INFO] [stdout]     |
[INFO] [stdout] 323 |     fn bit(&mut self, mode: &AddressingMode) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `brk`
[INFO] [stdout]    --> cpu/src/lib.rs:332:8
[INFO] [stdout]     |
[INFO] [stdout] 332 |     fn brk(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pla`
[INFO] [stdout]    --> cpu/src/lib.rs:340:8
[INFO] [stdout]     |
[INFO] [stdout] 340 |     fn pla(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rti`
[INFO] [stdout]    --> cpu/src/lib.rs:347:8
[INFO] [stdout]     |
[INFO] [stdout] 347 |     fn rti(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bin_to_bcd`
[INFO] [stdout]    --> cpu/src/lib.rs:356:4
[INFO] [stdout]     |
[INFO] [stdout] 356 | fn bin_to_bcd(x: u8) -> Result<u8, &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bcd_to_bin`
[INFO] [stdout]    --> cpu/src/lib.rs:363:4
[INFO] [stdout]     |
[INFO] [stdout] 363 | fn bcd_to_bin(x: u8) -> Result<u8, &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pages_differ`
[INFO] [stdout]    --> cpu/src/lib.rs:368:4
[INFO] [stdout]     |
[INFO] [stdout] 368 | fn pages_differ(addr1: u16, addr2: u16) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking nes v0.1.0 (/opt/rustwide/workdir/nes)
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "84be27487ae669bdf7dbf25c1d4af45eade36c2e94d09f8d2a5fd5a9405a7a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84be27487ae669bdf7dbf25c1d4af45eade36c2e94d09f8d2a5fd5a9405a7a6b", kill_on_drop: false }`
[INFO] [stdout] 84be27487ae669bdf7dbf25c1d4af45eade36c2e94d09f8d2a5fd5a9405a7a6b