[INFO] cloning repository https://github.com/stianeklund/NES
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stianeklund/NES" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2FNES", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2FNES'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0a0b3ceef3faaa704226e5705c21a63ad483998
[INFO] checking stianeklund/NES against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2FNES" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stianeklund/NES on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stianeklund/NES
[INFO] finished tweaking git repo https://github.com/stianeklund/NES
[INFO] tweaked toml for git repo https://github.com/stianeklund/NES written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/stianeklund/NES already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chrono v0.4.11
[INFO] [stderr]   Downloaded flexi_logger v0.14.8
[INFO] [stderr]   Downloaded minifb v0.10.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbc36e8b5c012aac91472ab3610e0941025794f539cc63d151e39b67e98fa6f1
[INFO] running `Command { std: "docker" "start" "-a" "cbc36e8b5c012aac91472ab3610e0941025794f539cc63d151e39b67e98fa6f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc36e8b5c012aac91472ab3610e0941025794f539cc63d151e39b67e98fa6f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc36e8b5c012aac91472ab3610e0941025794f539cc63d151e39b67e98fa6f1", kill_on_drop: false }`
[INFO] [stdout] cbc36e8b5c012aac91472ab3610e0941025794f539cc63d151e39b67e98fa6f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afce9d69fc6a722c5b64052c0104ded8152304cea88eda5874cd1122b7d44e49
[INFO] running `Command { std: "docker" "start" "-a" "afce9d69fc6a722c5b64052c0104ded8152304cea88eda5874cd1122b7d44e49", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   num-integer v0.1.42: default, std
[INFO] [stderr]   num-traits v0.2.11: default, std
[INFO] [stderr] 
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling minifb v0.10.7
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking flexi_logger v0.14.8
[INFO] [stderr]     Checking nes v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/memory.rs (2 fixes)
[INFO] [stderr]        Fixed src/rom.rs (3 fixes)
[INFO] [stderr]        Fixed src/ppu.rs (3 fixes)
[INFO] [stderr]        Fixed src/interconnect.rs (2 fixes)
[INFO] [stderr]        Fixed src/cpu.rs (2 fixes)
[INFO] [stderr]        Fixed src/main.rs (5 fixes)
[INFO] [stderr]        Fixed src/opcode.rs (1 fix)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/opcode.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             0x64 => "DOP",
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/opcode.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             0x64 => "DOP",
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `imm16`
[INFO] [stdout]    --> src/cpu.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn imm16(&self) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `brk`
[INFO] [stdout]    --> src/cpu.rs:659:8
[INFO] [stdout]     |
[INFO] [stdout] 659 |     fn brk(&mut self) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cli`
[INFO] [stdout]    --> src/cpu.rs:692:8
[INFO] [stdout]     |
[INFO] [stdout] 692 |     fn cli(&mut self, mode: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hlt`
[INFO] [stdout]    --> src/cpu.rs:773:8
[INFO] [stdout]     |
[INFO] [stdout] 773 |     fn hlt(&self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sloa`
[INFO] [stdout]    --> src/cpu.rs:943:8
[INFO] [stdout]     |
[INFO] [stdout] 943 |     fn sloa(&mut self, value: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `byte`
[INFO] [stdout]   --> src/interconnect.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     byte: u8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/interconnect.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     address: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lookup`
[INFO] [stdout]   --> src/interconnect.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     lookup: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Interconnect`
[INFO] [stdout]   --> src/interconnect.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Interconnect {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/interconnect.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn default() -> Box<Interconnect> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]   --> src/opcode.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     A,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `X`
[INFO] [stdout]   --> src/opcode.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     X,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Y`
[INFO] [stdout]   --> src/opcode.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Y,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/opcode.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FrameBuffer`
[INFO] [stdout]   --> src/ppu.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct FrameBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]   --> src/ppu.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn new() -> FrameBuffer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PpuDataBus`
[INFO] [stdout]    --> src/ppu.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct PpuDataBus {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mask_addr`
[INFO] [stdout]    --> src/rom.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn mask_addr(&self, addr: u16) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `retrieve_mapper_id`
[INFO] [stdout]    --> src/rom.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn retrieve_mapper_id(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_rom`
[INFO] [stdout]    --> src/rom.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn read_rom(&mut self, file: &str) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `imm16`
[INFO] [stdout]    --> src/cpu.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn imm16(&self) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `brk`
[INFO] [stdout]    --> src/cpu.rs:659:8
[INFO] [stdout]     |
[INFO] [stdout] 659 |     fn brk(&mut self) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cli`
[INFO] [stdout]    --> src/cpu.rs:692:8
[INFO] [stdout]     |
[INFO] [stdout] 692 |     fn cli(&mut self, mode: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hlt`
[INFO] [stdout]    --> src/cpu.rs:773:8
[INFO] [stdout]     |
[INFO] [stdout] 773 |     fn hlt(&self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sloa`
[INFO] [stdout]    --> src/cpu.rs:943:8
[INFO] [stdout]     |
[INFO] [stdout] 943 |     fn sloa(&mut self, value: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `byte`
[INFO] [stdout]   --> src/interconnect.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     byte: u8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/interconnect.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     address: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lookup`
[INFO] [stdout]   --> src/interconnect.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     lookup: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Interconnect`
[INFO] [stdout]   --> src/interconnect.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Interconnect {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/interconnect.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn default() -> Box<Interconnect> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]   --> src/opcode.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     A,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `X`
[INFO] [stdout]   --> src/opcode.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     X,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Y`
[INFO] [stdout]   --> src/opcode.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Y,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/opcode.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FrameBuffer`
[INFO] [stdout]   --> src/ppu.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct FrameBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]   --> src/ppu.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn new() -> FrameBuffer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PpuDataBus`
[INFO] [stdout]    --> src/ppu.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct PpuDataBus {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mask_addr`
[INFO] [stdout]    --> src/rom.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn mask_addr(&self, addr: u16) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `retrieve_mapper_id`
[INFO] [stdout]    --> src/rom.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn retrieve_mapper_id(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_rom`
[INFO] [stdout]    --> src/rom.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn read_rom(&mut self, file: &str) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ppu.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 | /         writeln!(
[INFO] [stdout] 137 | |             f,
[INFO] [stdout] 138 | |             "{}\t{}\t{}\t{}\t{}\t{}{}",
[INFO] [stdout] 139 | |             "CTRL", "MASK", "OAM", "DATA", "SCROLL", "ADDR\t", "DMA\t"
[INFO] [stdout] 140 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ppu.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 | /         writeln!(
[INFO] [stdout] 137 | |             f,
[INFO] [stdout] 138 | |             "{}\t{}\t{}\t{}\t{}\t{}{}",
[INFO] [stdout] 139 | |             "CTRL", "MASK", "OAM", "DATA", "SCROLL", "ADDR\t", "DMA\t"
[INFO] [stdout] 140 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.73s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking flexi_logger v0.14.8
[INFO] [stderr]     Checking nes v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/opcode.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             0x64 => "DOP",
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/opcode.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |             0x64 => "DOP",
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `imm16`
[INFO] [stdout]    --> src/cpu.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn imm16(&self) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `brk`
[INFO] [stdout]    --> src/cpu.rs:659:8
[INFO] [stdout]     |
[INFO] [stdout] 659 |     fn brk(&mut self) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cli`
[INFO] [stdout]    --> src/cpu.rs:692:8
[INFO] [stdout]     |
[INFO] [stdout] 692 |     fn cli(&mut self, mode: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hlt`
[INFO] [stdout]    --> src/cpu.rs:773:8
[INFO] [stdout]     |
[INFO] [stdout] 773 |     fn hlt(&self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sloa`
[INFO] [stdout]    --> src/cpu.rs:943:8
[INFO] [stdout]     |
[INFO] [stdout] 943 |     fn sloa(&mut self, value: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `byte`
[INFO] [stdout]   --> src/interconnect.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     byte: u8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/interconnect.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     address: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lookup`
[INFO] [stdout]   --> src/interconnect.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     lookup: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Interconnect`
[INFO] [stdout]   --> src/interconnect.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Interconnect {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/interconnect.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn default() -> Box<Interconnect> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]   --> src/opcode.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     A,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `X`
[INFO] [stdout]   --> src/opcode.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     X,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Y`
[INFO] [stdout]   --> src/opcode.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Y,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/opcode.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FrameBuffer`
[INFO] [stdout]   --> src/ppu.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct FrameBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]   --> src/ppu.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn new() -> FrameBuffer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PpuDataBus`
[INFO] [stdout]    --> src/ppu.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct PpuDataBus {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mask_addr`
[INFO] [stdout]    --> src/rom.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn mask_addr(&self, addr: u16) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `retrieve_mapper_id`
[INFO] [stdout]    --> src/rom.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn retrieve_mapper_id(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_rom`
[INFO] [stdout]    --> src/rom.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn read_rom(&mut self, file: &str) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ppu.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 | /         writeln!(
[INFO] [stdout] 137 | |             f,
[INFO] [stdout] 138 | |             "{}\t{}\t{}\t{}\t{}\t{}{}",
[INFO] [stdout] 139 | |             "CTRL", "MASK", "OAM", "DATA", "SCROLL", "ADDR\t", "DMA\t"
[INFO] [stdout] 140 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `imm16`
[INFO] [stdout]    --> src/cpu.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn imm16(&self) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `brk`
[INFO] [stdout]    --> src/cpu.rs:659:8
[INFO] [stdout]     |
[INFO] [stdout] 659 |     fn brk(&mut self) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cli`
[INFO] [stdout]    --> src/cpu.rs:692:8
[INFO] [stdout]     |
[INFO] [stdout] 692 |     fn cli(&mut self, mode: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hlt`
[INFO] [stdout]    --> src/cpu.rs:773:8
[INFO] [stdout]     |
[INFO] [stdout] 773 |     fn hlt(&self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sloa`
[INFO] [stdout]    --> src/cpu.rs:943:8
[INFO] [stdout]     |
[INFO] [stdout] 943 |     fn sloa(&mut self, value: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `byte`
[INFO] [stdout]   --> src/interconnect.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     byte: u8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/interconnect.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     address: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `lookup`
[INFO] [stdout]   --> src/interconnect.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     lookup: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Interconnect`
[INFO] [stdout]   --> src/interconnect.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Interconnect {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/interconnect.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn default() -> Box<Interconnect> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]   --> src/opcode.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     A,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `X`
[INFO] [stdout]   --> src/opcode.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     X,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Y`
[INFO] [stdout]   --> src/opcode.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Y,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/opcode.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn default() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `FrameBuffer`
[INFO] [stdout]   --> src/ppu.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct FrameBuffer {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]   --> src/ppu.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn new() -> FrameBuffer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PpuDataBus`
[INFO] [stdout]    --> src/ppu.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct PpuDataBus {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mask_addr`
[INFO] [stdout]    --> src/rom.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn mask_addr(&self, addr: u16) -> u16 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `retrieve_mapper_id`
[INFO] [stdout]    --> src/rom.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn retrieve_mapper_id(&self) -> u8 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_rom`
[INFO] [stdout]    --> src/rom.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn read_rom(&mut self, file: &str) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/ppu.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 | /         writeln!(
[INFO] [stdout] 137 | |             f,
[INFO] [stdout] 138 | |             "{}\t{}\t{}\t{}\t{}\t{}{}",
[INFO] [stdout] 139 | |             "CTRL", "MASK", "OAM", "DATA", "SCROLL", "ADDR\t", "DMA\t"
[INFO] [stdout] 140 | |         );
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "afce9d69fc6a722c5b64052c0104ded8152304cea88eda5874cd1122b7d44e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afce9d69fc6a722c5b64052c0104ded8152304cea88eda5874cd1122b7d44e49", kill_on_drop: false }`
[INFO] [stdout] afce9d69fc6a722c5b64052c0104ded8152304cea88eda5874cd1122b7d44e49