[INFO] cloning repository https://github.com/maximveligan/gb_emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maximveligan/gb_emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaximveligan%2Fgb_emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaximveligan%2Fgb_emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5eee4ff54e62b9ecf28656a71b2ed00260dceaf1
[INFO] checking maximveligan/gb_emu against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaximveligan%2Fgb_emu" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maximveligan/gb_emu on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maximveligan/gb_emu
[INFO] finished tweaking git repo https://github.com/maximveligan/gb_emu
[INFO] tweaked toml for git repo https://github.com/maximveligan/gb_emu written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/maximveligan/gb_emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5ef9dc34dca19d4655fa70fbff1b9fc81ec2215aad9d8e502ea91108ae70d3f
[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" "e5ef9dc34dca19d4655fa70fbff1b9fc81ec2215aad9d8e502ea91108ae70d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5ef9dc34dca19d4655fa70fbff1b9fc81ec2215aad9d8e502ea91108ae70d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ef9dc34dca19d4655fa70fbff1b9fc81ec2215aad9d8e502ea91108ae70d3f", kill_on_drop: false }`
[INFO] [stdout] e5ef9dc34dca19d4655fa70fbff1b9fc81ec2215aad9d8e502ea91108ae70d3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec975fb0889ee8c9661e2609375e3b58e85b79794fddfe28fb79114965f10272
[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" "ec975fb0889ee8c9661e2609375e3b58e85b79794fddfe28fb79114965f10272", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking gb_emu v0.1.0 (/opt/rustwide/workdir/gb_emu)
[INFO] [stderr]     Checking gb_front_end v0.1.0 (/opt/rustwide/workdir/gb_front_end)
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking cpu_lr35902 v0.1.0 (/opt/rustwide/workdir/cpu_lr35902)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:218:16
[INFO] [stdout]     |
[INFO] [stdout] 218 |         val |= (new_bit);
[INFO] [stdout]     |                ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:226:16
[INFO] [stdout]     |
[INFO] [stdout] 226 |         val |= (new_bit);
[INFO] [stdout]     |                ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 236 |         val |= (new_bit << 7);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:244:16
[INFO] [stdout]     |
[INFO] [stdout] 244 |         val |= (new_bit << 7);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:218:16
[INFO] [stdout]     |
[INFO] [stdout] 218 |         val |= (new_bit);
[INFO] [stdout]     |                ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:226:16
[INFO] [stdout]     |
[INFO] [stdout] 226 |         val |= (new_bit);
[INFO] [stdout]     |                ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:236:16
[INFO] [stdout]     |
[INFO] [stdout] 236 |         val |= (new_bit << 7);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:244:16
[INFO] [stdout]     |
[INFO] [stdout] 244 |         val |= (new_bit << 7);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let mut cycles = PREF_CYCLES[op as usize];
[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: static is never used: `UN_PREF_CYCLES`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / static UN_PREF_CYCLES: [usize; 256] = [
[INFO] [stdout] 7  | |     4, 12, 8, 8, 4, 4, 8, 4, 20, 8, 8, 8, 4, 4, 8, 4, 4, 12, 8, 8, 4, 4, 8, 4,
[INFO] [stdout] 8  | |     12, 8, 8, 8, 4, 4, 8, 4, 8, 12, 8, 8, 4, 4, 8, 4, 8, 8, 8, 8, 4, 4, 8, 4,
[INFO] [stdout] 9  | |     8, 12, 8, 8, 12, 12, 12, 4, 8, 8, 8, 8, 4, 4, 8, 4, 4, 4, 4, 4, 4, 4, 8, 4,
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     16, 12, 12, 8, 4, 4, 16, 8, 16, 12, 8, 16, 4, 4, 4, 8, 16,
[INFO] [stdout] 18 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PREF_CYCLES`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / static PREF_CYCLES: [usize; 256] = [
[INFO] [stdout] 21 | |     8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 8,
[INFO] [stdout] 22 | |     8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 8,
[INFO] [stdout] 23 | |     8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 12, 8,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 8,
[INFO] [stdout] 32 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn add(&mut self, val: u16) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn new(start_val: u16) -> Registers {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_bc_pair`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn get_bc_pair(self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_de_pair`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn get_de_pair(self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hl_pair`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn get_hl_pair(self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bc_pair`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn set_bc_pair(&mut self, val: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_de_pair`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn set_de_pair(&mut self, val: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_hl_pair`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn set_hl_pair(&mut self, val: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn new(start_addr: u16, mut mmu: M) -> Cpu<M> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld8_and_upd`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn ld8_and_upd(&mut self) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld16_and_upd`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn ld16_and_upd(&mut self) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn step(&mut self) -> Result<usize, String> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec_unpref_op`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn exec_unpref_op(&mut self, op: u8) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bit_fn`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn bit_fn(&mut self, func: fn(u8) -> u8) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zero_bit`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn zero_bit(&mut self, shift_val: u8) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_left_no_zero`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn rotate_left_no_zero(&mut self, mut val: u8, new_bit: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_left`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn rotate_left(&mut self, mut val: u8, new_bit: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_right_no_zero`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:233:8
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn rotate_right_no_zero(&mut self, mut val: u8, new_bit: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_right`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:241:8
[INFO] [stdout]     |
[INFO] [stdout] 241 |     fn rotate_right(&mut self, mut val: u8, new_bit: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec_pref_op`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:251:8
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn exec_pref_op(&mut self, op: u8) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |         let mut cycles = PREF_CYCLES[op as usize];
[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: static is never used: `UN_PREF_CYCLES`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / static UN_PREF_CYCLES: [usize; 256] = [
[INFO] [stdout] 7  | |     4, 12, 8, 8, 4, 4, 8, 4, 20, 8, 8, 8, 4, 4, 8, 4, 4, 12, 8, 8, 4, 4, 8, 4,
[INFO] [stdout] 8  | |     12, 8, 8, 8, 4, 4, 8, 4, 8, 12, 8, 8, 4, 4, 8, 4, 8, 8, 8, 8, 4, 4, 8, 4,
[INFO] [stdout] 9  | |     8, 12, 8, 8, 12, 12, 12, 4, 8, 8, 8, 8, 4, 4, 8, 4, 4, 4, 4, 4, 4, 4, 8, 4,
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     16, 12, 12, 8, 4, 4, 16, 8, 16, 12, 8, 16, 4, 4, 4, 8, 16,
[INFO] [stdout] 18 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PREF_CYCLES`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | / static PREF_CYCLES: [usize; 256] = [
[INFO] [stdout] 21 | |     8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 8,
[INFO] [stdout] 22 | |     8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 8,
[INFO] [stdout] 23 | |     8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 12, 8,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     8, 8, 8, 8, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 8,
[INFO] [stdout] 32 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn add(&mut self, val: u16) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn new(start_val: u16) -> Registers {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_bc_pair`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn get_bc_pair(self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_de_pair`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn get_de_pair(self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hl_pair`
[INFO] [stdout]   --> cpu_lr35902/src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn get_hl_pair(self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bc_pair`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn set_bc_pair(&mut self, val: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_de_pair`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn set_de_pair(&mut self, val: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_hl_pair`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn set_hl_pair(&mut self, val: u16) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn new(start_addr: u16, mut mmu: M) -> Cpu<M> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld8_and_upd`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn ld8_and_upd(&mut self) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ld16_and_upd`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn ld16_and_upd(&mut self) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn step(&mut self) -> Result<usize, String> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec_unpref_op`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn exec_unpref_op(&mut self, op: u8) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bit_fn`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn bit_fn(&mut self, func: fn(u8) -> u8) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zero_bit`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn zero_bit(&mut self, shift_val: u8) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_left_no_zero`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn rotate_left_no_zero(&mut self, mut val: u8, new_bit: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_left`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn rotate_left(&mut self, mut val: u8, new_bit: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_right_no_zero`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:233:8
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn rotate_right_no_zero(&mut self, mut val: u8, new_bit: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_right`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:241:8
[INFO] [stdout]     |
[INFO] [stdout] 241 |     fn rotate_right(&mut self, mut val: u8, new_bit: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec_pref_op`
[INFO] [stdout]    --> cpu_lr35902/src/lib.rs:251:8
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn exec_pref_op(&mut self, op: u8) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.27s
[INFO] running `Command { std: "docker" "inspect" "ec975fb0889ee8c9661e2609375e3b58e85b79794fddfe28fb79114965f10272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec975fb0889ee8c9661e2609375e3b58e85b79794fddfe28fb79114965f10272", kill_on_drop: false }`
[INFO] [stdout] ec975fb0889ee8c9661e2609375e3b58e85b79794fddfe28fb79114965f10272