[INFO] cloning repository https://github.com/godmodeguy/tiny-nes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/godmodeguy/tiny-nes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgodmodeguy%2Ftiny-nes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgodmodeguy%2Ftiny-nes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62984a10badcc440bf935e9b275baa830996eff1
[INFO] testing godmodeguy/tiny-nes against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgodmodeguy%2Ftiny-nes" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/godmodeguy/tiny-nes on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/godmodeguy/tiny-nes
[INFO] finished tweaking git repo https://github.com/godmodeguy/tiny-nes
[INFO] tweaked toml for git repo https://github.com/godmodeguy/tiny-nes written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/godmodeguy/tiny-nes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] d8f37244f0cb1618d0dd952776935476ea64b1d21fd33a03c5dfbb8ca3716c04
[INFO] running `Command { std: "docker" "start" "-a" "d8f37244f0cb1618d0dd952776935476ea64b1d21fd33a03c5dfbb8ca3716c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8f37244f0cb1618d0dd952776935476ea64b1d21fd33a03c5dfbb8ca3716c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f37244f0cb1618d0dd952776935476ea64b1d21fd33a03c5dfbb8ca3716c04", kill_on_drop: false }`
[INFO] [stdout] d8f37244f0cb1618d0dd952776935476ea64b1d21fd33a03c5dfbb8ca3716c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3137c14915ba6f9fc7ece84116f03c4221a2bce0580540796734af61bfb1637e
[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" "3137c14915ba6f9fc7ece84116f03c4221a2bce0580540796734af61bfb1637e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling nes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/cpu.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 todo!();
[INFO] [stdout]     |                 ------- any code following this expression is unreachable
[INFO] [stdout] 174 |                 let addr = self.read(self.registers.pc) as u16;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/main.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn keyboard_handler(cpu: &mut CPU, events: &mut EventPump) {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     for i in 0x0200..0x600 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/main.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn read_screen_state(cpu: &mut CPU, frame: &mut [u8; 32*32*3]) -> bool {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut rng = rand::thread_rng();
[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: field is never read: `acc`
[INFO] [stdout]  --> src/cpu.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     acc: u8, // accumulator (stores result of operation)
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `overflow`
[INFO] [stdout]   --> src/cpu.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     overflow: bool, // TODO
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `decimal`
[INFO] [stdout]   --> src/cpu.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     decimal: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interrupt`
[INFO] [stdout]   --> src/cpu.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     interrupt: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `carry`
[INFO] [stdout]   --> src/cpu.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     carry: bool
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pointer`
[INFO] [stdout]   --> src/cpu.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pointer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]   --> src/cpu.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     stack: [u8; STACK_SIZE]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/cpu.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn pop(&mut self) -> u8 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_u16`
[INFO] [stdout]   --> src/cpu.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn pop_u16(&mut self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/cpu.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn push(&mut self, value: u8) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_u16`
[INFO] [stdout]   --> src/cpu.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn push_u16(&mut self, value: u16) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_u16`
[INFO] [stdout]    --> src/cpu.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn write_u16(&mut self, addr: u16, value: u16) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]    --> src/cpu.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     stack: Stack,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/cpu.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |         self.negative = value < 0;
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.81s
[INFO] running `Command { std: "docker" "inspect" "3137c14915ba6f9fc7ece84116f03c4221a2bce0580540796734af61bfb1637e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3137c14915ba6f9fc7ece84116f03c4221a2bce0580540796734af61bfb1637e", kill_on_drop: false }`
[INFO] [stdout] 3137c14915ba6f9fc7ece84116f03c4221a2bce0580540796734af61bfb1637e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 2fe183bf5f68d7b9445971d0942b9a90730e1458bb9cbee442233b115c1b8da5
[INFO] running `Command { std: "docker" "start" "-a" "2fe183bf5f68d7b9445971d0942b9a90730e1458bb9cbee442233b115c1b8da5", kill_on_drop: false }`
[INFO] [stderr]    Compiling nes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/cpu.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |                 todo!();
[INFO] [stdout]     |                 ------- any code following this expression is unreachable
[INFO] [stdout] 174 |                 let addr = self.read(self.registers.pc) as u16;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/main.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn keyboard_handler(cpu: &mut CPU, events: &mut EventPump) {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     for i in 0x0200..0x600 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/main.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn read_screen_state(cpu: &mut CPU, frame: &mut [u8; 32*32*3]) -> bool {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/main.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut rng = rand::thread_rng();
[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: field is never read: `acc`
[INFO] [stdout]  --> src/cpu.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     acc: u8, // accumulator (stores result of operation)
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `overflow`
[INFO] [stdout]   --> src/cpu.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     overflow: bool, // TODO
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `decimal`
[INFO] [stdout]   --> src/cpu.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     decimal: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interrupt`
[INFO] [stdout]   --> src/cpu.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     interrupt: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `carry`
[INFO] [stdout]   --> src/cpu.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     carry: bool
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pointer`
[INFO] [stdout]   --> src/cpu.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pointer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]   --> src/cpu.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     stack: [u8; STACK_SIZE]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/cpu.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn pop(&mut self) -> u8 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_u16`
[INFO] [stdout]   --> src/cpu.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn pop_u16(&mut self) -> u16 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/cpu.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn push(&mut self, value: u8) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push_u16`
[INFO] [stdout]   --> src/cpu.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn push_u16(&mut self, value: u16) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_u16`
[INFO] [stdout]    --> src/cpu.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn write_u16(&mut self, addr: u16, value: u16) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]    --> src/cpu.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 241 |     stack: Stack,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/cpu.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |         self.negative = value < 0;
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/nes-29396f2a0f20b1d5)
[INFO] running `Command { std: "docker" "inspect" "2fe183bf5f68d7b9445971d0942b9a90730e1458bb9cbee442233b115c1b8da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe183bf5f68d7b9445971d0942b9a90730e1458bb9cbee442233b115c1b8da5", kill_on_drop: false }`
[INFO] [stdout] 2fe183bf5f68d7b9445971d0942b9a90730e1458bb9cbee442233b115c1b8da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] a9f014a73370030b26f01e279e291a7e71b6b84cf835b875f146e7ad40319d00
[INFO] running `Command { std: "docker" "start" "-a" "a9f014a73370030b26f01e279e291a7e71b6b84cf835b875f146e7ad40319d00", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/cpu.rs:174:17
[INFO] [stderr]     |
[INFO] [stderr] 173 |                 todo!();
[INFO] [stderr]     |                 ------- any code following this expression is unreachable
[INFO] [stderr] 174 |                 let addr = self.read(self.registers.pc) as u16;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/main.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn keyboard_handler(cpu: &mut CPU, events: &mut EventPump) {
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     for i in 0x0200..0x600 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/main.rs:52:22
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn read_screen_state(cpu: &mut CPU, frame: &mut [u8; 32*32*3]) -> bool {
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]    --> src/main.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |     let mut rng = rand::thread_rng();
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |     let mut rng = rand::thread_rng();
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `acc`
[INFO] [stderr]  --> src/cpu.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     acc: u8, // accumulator (stores result of operation)
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `overflow`
[INFO] [stderr]   --> src/cpu.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     overflow: bool, // TODO
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `decimal`
[INFO] [stderr]   --> src/cpu.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     decimal: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `interrupt`
[INFO] [stderr]   --> src/cpu.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     interrupt: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `carry`
[INFO] [stderr]   --> src/cpu.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     carry: bool
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pointer`
[INFO] [stderr]   --> src/cpu.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pointer: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stack`
[INFO] [stderr]   --> src/cpu.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     stack: [u8; STACK_SIZE]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop`
[INFO] [stderr]   --> src/cpu.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn pop(&mut self) -> u8 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop_u16`
[INFO] [stderr]   --> src/cpu.rs:79:8
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn pop_u16(&mut self) -> u16 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push`
[INFO] [stderr]   --> src/cpu.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn push(&mut self, value: u8) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push_u16`
[INFO] [stderr]   --> src/cpu.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn push_u16(&mut self, value: u16) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_u16`
[INFO] [stderr]    --> src/cpu.rs:221:8
[INFO] [stderr]     |
[INFO] [stderr] 221 |     fn write_u16(&mut self, addr: u16, value: u16) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stack`
[INFO] [stderr]    --> src/cpu.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 |     stack: Stack,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/cpu.rs:51:25
[INFO] [stderr]    |
[INFO] [stderr] 51 |         self.negative = value < 0;
[INFO] [stderr]    |                         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nes` (bin "nes" test) generated 21 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nes-29396f2a0f20b1d5)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test cpu::test_inx_0xe8 ... ok
[INFO] [stdout] test cpu::test_store_inc_decr_load_xy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a9f014a73370030b26f01e279e291a7e71b6b84cf835b875f146e7ad40319d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f014a73370030b26f01e279e291a7e71b6b84cf835b875f146e7ad40319d00", kill_on_drop: false }`
[INFO] [stdout] a9f014a73370030b26f01e279e291a7e71b6b84cf835b875f146e7ad40319d00