[INFO] cloning repository https://github.com/ch8zer/ironnes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ch8zer/ironnes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch8zer%2Fironnes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch8zer%2Fironnes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ba0843d4a010e0bcd736fb6157d3b8d3e504c42
[INFO] checking ch8zer/ironnes against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch8zer%2Fironnes" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ch8zer/ironnes 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/ch8zer/ironnes
[INFO] finished tweaking git repo https://github.com/ch8zer/ironnes
[INFO] tweaked toml for git repo https://github.com/ch8zer/ironnes written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ch8zer/ironnes 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 }`
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[INFO] [stderr]   Downloaded shrust v0.0.7
[INFO] [stderr]   Downloaded sdl2 v0.34.3
[INFO] [stderr]   Downloaded sdl2-sys v0.34.3
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[INFO] [stderr]   Downloaded term v0.6.1
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[INFO] running `Command { std: "docker" "start" "-a" "52e21bdcfeaa6180730aa9e176ef71b2d26ffeb9bddd95aeca35c7527703d8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52e21bdcfeaa6180730aa9e176ef71b2d26ffeb9bddd95aeca35c7527703d8b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e21bdcfeaa6180730aa9e176ef71b2d26ffeb9bddd95aeca35c7527703d8b1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "f619ecd61f68d3abcc8e15887a3b33bb73aee2cb008b12256c410e65e1f928b3", 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]   byteorder v1.3.4 (as host dependency): default, std
[INFO] [stderr]   memchr v2.3.3: default
[INFO] [stderr]   memchr v2.3.3 (as host dependency): default
[INFO] [stderr] 
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simplelog v0.7.6
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking shrust v0.0.7
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]    Compiling iron_nes v0.1.1 (/tmp/fixit)
[INFO] [stderr]    Migrating build.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/nes/ppu/mod.rs (1 fix)
[INFO] [stderr]        Fixed src/nes.rs (1 fix)
[INFO] [stderr]    Migrating src/bin/disassembler.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/spritemap.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/emulator.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/cpu.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/bin/spritemap.rs (6 fixes)
[INFO] [stdout] warning: function is never used: `run_debugger`
[INFO] [stdout]  --> src/bin/debugger/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn run_debugger<'a>(nes: &'a mut IronNes, debugger: &'a mut IronNesDebugger) {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `DebuggerState`
[INFO] [stdout]   --> src/bin/debugger/mod.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 | enum DebuggerState {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `IronNesDebugger`
[INFO] [stdout]   --> src/bin/debugger/mod.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct IronNesDebugger {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bin/debugger/mod.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn step<'a>(&mut self, nes: &'a mut IronNes) -> IronNesResult<DebuggerState> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_breakpoint_hit`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn is_breakpoint_hit(&self, addr: Addr) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_watch_cycle_hit`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn is_watch_cycle_hit(&self, cycle: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_breakpoint`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn add_breakpoint(&mut self, addr: Addr) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_watch_cycle`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn add_watch_cycle(&mut self, cycle: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/spritemap.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         texture.update(None, &frame.0, 256 * 2 * 3);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_debugger`
[INFO] [stdout]  --> src/bin/debugger/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn run_debugger<'a>(nes: &'a mut IronNes, debugger: &'a mut IronNesDebugger) {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `DebuggerState`
[INFO] [stdout]   --> src/bin/debugger/mod.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 | enum DebuggerState {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `IronNesDebugger`
[INFO] [stdout]   --> src/bin/debugger/mod.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct IronNesDebugger {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bin/debugger/mod.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn step<'a>(&mut self, nes: &'a mut IronNes) -> IronNesResult<DebuggerState> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_breakpoint_hit`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn is_breakpoint_hit(&self, addr: Addr) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_watch_cycle_hit`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn is_watch_cycle_hit(&self, cycle: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_breakpoint`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn add_breakpoint(&mut self, addr: Addr) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_watch_cycle`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn add_watch_cycle(&mut self, cycle: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/spritemap.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         texture.update(None, &frame.0, 256 * 2 * 3);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_golden`
[INFO] [stdout]  --> tests/blargg/instr_test_v5/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_golden<'a>(golden_file: &'a str) -> impl Iterator<Item = (usize, cpu::Registers)> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_blargg_test`
[INFO] [stdout]    --> tests/cpu.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn run_blargg_test(rom_file: String, golden_file: String) -> IronNesResult<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.30s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling iron_nes v0.1.1 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `run_debugger`
[INFO] [stdout]  --> src/bin/debugger/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn run_debugger<'a>(nes: &'a mut IronNes, debugger: &'a mut IronNesDebugger) {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `DebuggerState`
[INFO] [stdout]   --> src/bin/debugger/mod.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 | enum DebuggerState {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `IronNesDebugger`
[INFO] [stdout]   --> src/bin/debugger/mod.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct IronNesDebugger {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bin/debugger/mod.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn step<'a>(&mut self, nes: &'a mut IronNes) -> IronNesResult<DebuggerState> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_breakpoint_hit`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn is_breakpoint_hit(&self, addr: Addr) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_watch_cycle_hit`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn is_watch_cycle_hit(&self, cycle: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_breakpoint`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn add_breakpoint(&mut self, addr: Addr) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_watch_cycle`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn add_watch_cycle(&mut self, cycle: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/spritemap.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         texture.update(None, &frame.0, 256 * 2 * 3);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_debugger`
[INFO] [stdout]  --> src/bin/debugger/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn run_debugger<'a>(nes: &'a mut IronNes, debugger: &'a mut IronNesDebugger) {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `DebuggerState`
[INFO] [stdout]   --> src/bin/debugger/mod.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 | enum DebuggerState {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `IronNesDebugger`
[INFO] [stdout]   --> src/bin/debugger/mod.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct IronNesDebugger {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/bin/debugger/mod.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `step`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn step<'a>(&mut self, nes: &'a mut IronNes) -> IronNesResult<DebuggerState> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_breakpoint_hit`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn is_breakpoint_hit(&self, addr: Addr) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_watch_cycle_hit`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn is_watch_cycle_hit(&self, cycle: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_breakpoint`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn add_breakpoint(&mut self, addr: Addr) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_watch_cycle`
[INFO] [stdout]    --> src/bin/debugger/mod.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn add_watch_cycle(&mut self, cycle: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/spritemap.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         texture.update(None, &frame.0, 256 * 2 * 3);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_golden`
[INFO] [stdout]  --> tests/blargg/instr_test_v5/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_golden<'a>(golden_file: &'a str) -> impl Iterator<Item = (usize, cpu::Registers)> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_blargg_test`
[INFO] [stdout]    --> tests/cpu.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn run_blargg_test(rom_file: String, golden_file: String) -> IronNesResult<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `Command { std: "docker" "inspect" "f619ecd61f68d3abcc8e15887a3b33bb73aee2cb008b12256c410e65e1f928b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f619ecd61f68d3abcc8e15887a3b33bb73aee2cb008b12256c410e65e1f928b3", kill_on_drop: false }`
[INFO] [stdout] f619ecd61f68d3abcc8e15887a3b33bb73aee2cb008b12256c410e65e1f928b3