[INFO] updating cached repository https://github.com/stianeklund/NES
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e0a0b3ceef3faaa704226e5705c21a63ad483998
[INFO] testing stianeklund/NES against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstianeklund%2FNES" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stianeklund/NES on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/stianeklund/NES already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] f40e7d310c407bb33e695f234d2eea4d1bac5eee500534e820663d967176f531
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f40e7d310c407bb33e695f234d2eea4d1bac5eee500534e820663d967176f531"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling 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]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling minifb v0.10.7
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling flexi_logger v0.14.8
[INFO] [stderr]    Compiling nes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `minifb`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use minifb;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FrameBuffer`
[INFO] [stderr]  --> src/cpu.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::ppu::{FrameBuffer, Ppu};
[INFO] [stderr]   |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error`, `warn`
[INFO] [stderr]  --> src/cpu.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use log::{debug, error, info, warn};
[INFO] [stderr]   |                  ^^^^^        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExecutionContext`
[INFO] [stderr]  --> src/interconnect.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::cpu::{ExecutionContext, Registers};
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ppu::Ppu`
[INFO] [stderr]  --> src/interconnect.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::ppu::Ppu;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cartridge`, `RomHeader`
[INFO] [stderr]  --> src/memory.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::rom::{Cartridge, RomHeader};
[INFO] [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UpperHex`
[INFO] [stderr]  --> src/memory.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt::{LowerHex, UpperHex};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::cpu::StatusRegister`
[INFO] [stderr]  --> src/opcode.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::cpu::StatusRegister;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Scale`
[INFO] [stderr]  --> src/ppu.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use minifb::{Scale, Window, WindowOptions};
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Interconnect`
[INFO] [stderr]  --> src/ppu.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::interconnect::{Interconnect, MemoryMapper};
[INFO] [stderr]   |                           ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::memory::Ram`
[INFO] [stderr]  --> src/rom.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::memory::Ram;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/rom.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Error, Result};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RangeTo`, `Range`
[INFO] [stderr]  --> src/rom.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::ops::{Range, RangeTo};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LogTarget`, `opt_format`
[INFO] [stderr]   --> src/main.rs:17:36
[INFO] [stderr]    |
[INFO] [stderr] 17 | use flexi_logger::{default_format, opt_format, LogTarget, Logger};
[INFO] [stderr]    |                                    ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Interconnect`
[INFO] [stderr]   --> src/main.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 | use interconnect::{Interconnect, MemoryMapper};
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug`, `error`, `info`
[INFO] [stderr]   --> src/main.rs:19:11
[INFO] [stderr]    |
[INFO] [stderr] 19 | use log::{debug, error, info, warn};
[INFO] [stderr]    |           ^^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/main.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::io::{self, Read};
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/opcode.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |             0x64 => "DOP",
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ppu.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut window = Window::new(
[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: associated function is never used: `imm16`
[INFO] [stderr]    --> src/cpu.rs:217:8
[INFO] [stderr]     |
[INFO] [stderr] 217 |     fn imm16(&self) -> AddressMode<u16> {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `brk`
[INFO] [stderr]    --> src/cpu.rs:659:8
[INFO] [stderr]     |
[INFO] [stderr] 659 |     fn brk(&mut self) -> AddressMode<u16> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cli`
[INFO] [stderr]    --> src/cpu.rs:692:8
[INFO] [stderr]     |
[INFO] [stderr] 692 |     fn cli(&mut self, mode: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hlt`
[INFO] [stderr]    --> src/cpu.rs:773:8
[INFO] [stderr]     |
[INFO] [stderr] 773 |     fn hlt(&self) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sloa`
[INFO] [stderr]    --> src/cpu.rs:943:8
[INFO] [stderr]     |
[INFO] [stderr] 943 |     fn sloa(&mut self, value: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `byte`
[INFO] [stderr]   --> src/interconnect.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     byte: u8,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `address`
[INFO] [stderr]   --> src/interconnect.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     address: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `lookup`
[INFO] [stderr]   --> src/interconnect.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     lookup: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Interconnect`
[INFO] [stderr]   --> src/interconnect.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub struct Interconnect {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `default`
[INFO] [stderr]   --> src/interconnect.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn default() -> Box<Interconnect> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> src/opcode.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     A,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `X`
[INFO] [stderr]   --> src/opcode.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     X,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Y`
[INFO] [stderr]   --> src/opcode.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Y,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `default`
[INFO] [stderr]   --> src/opcode.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn default() -> Self {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FrameBuffer`
[INFO] [stderr]   --> src/ppu.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct FrameBuffer {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new`
[INFO] [stderr]   --> src/ppu.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn new() -> FrameBuffer {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PpuDataBus`
[INFO] [stderr]    --> src/ppu.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub struct PpuDataBus {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mask_addr`
[INFO] [stderr]    --> src/rom.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn mask_addr(&self, addr: u16) -> u16 {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `retrieve_mapper_id`
[INFO] [stderr]    --> src/rom.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn retrieve_mapper_id(&self) -> u8 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_rom`
[INFO] [stderr]    --> src/rom.rs:128:12
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn read_rom(&mut self, file: &str) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ppu.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 | /         writeln!(
[INFO] [stderr] 137 | |             f,
[INFO] [stderr] 138 | |             "{}\t{}\t{}\t{}\t{}\t{}{}",
[INFO] [stderr] 139 | |             "CTRL", "MASK", "OAM", "DATA", "SCROLL", "ADDR\t", "DMA\t"
[INFO] [stderr] 140 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 40 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.33s
[INFO] running `"docker" "inspect" "f40e7d310c407bb33e695f234d2eea4d1bac5eee500534e820663d967176f531"`
[INFO] running `"docker" "rm" "-f" "f40e7d310c407bb33e695f234d2eea4d1bac5eee500534e820663d967176f531"`
[INFO] [stdout] f40e7d310c407bb33e695f234d2eea4d1bac5eee500534e820663d967176f531
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9810d4eaa0a1abd8e871eaca8f7ce4c5842b9a507c352549e09e088233ad26b6
[INFO] running `"docker" "start" "-a" "9810d4eaa0a1abd8e871eaca8f7ce4c5842b9a507c352549e09e088233ad26b6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `minifb`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use minifb;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FrameBuffer`
[INFO] [stderr]  --> src/cpu.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::ppu::{FrameBuffer, Ppu};
[INFO] [stderr]   |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error`, `warn`
[INFO] [stderr]  --> src/cpu.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use log::{debug, error, info, warn};
[INFO] [stderr]   |                  ^^^^^        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExecutionContext`
[INFO] [stderr]  --> src/interconnect.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::cpu::{ExecutionContext, Registers};
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ppu::Ppu`
[INFO] [stderr]  --> src/interconnect.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::ppu::Ppu;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cartridge`, `RomHeader`
[INFO] [stderr]  --> src/memory.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::rom::{Cartridge, RomHeader};
[INFO] [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UpperHex`
[INFO] [stderr]  --> src/memory.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt::{LowerHex, UpperHex};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::cpu::StatusRegister`
[INFO] [stderr]  --> src/opcode.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::cpu::StatusRegister;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Scale`
[INFO] [stderr]  --> src/ppu.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use minifb::{Scale, Window, WindowOptions};
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Interconnect`
[INFO] [stderr]  --> src/ppu.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::interconnect::{Interconnect, MemoryMapper};
[INFO] [stderr]   |                           ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::memory::Ram`
[INFO] [stderr]  --> src/rom.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::memory::Ram;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/rom.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Error, Result};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RangeTo`, `Range`
[INFO] [stderr]  --> src/rom.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::ops::{Range, RangeTo};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LogTarget`, `opt_format`
[INFO] [stderr]   --> src/main.rs:17:36
[INFO] [stderr]    |
[INFO] [stderr] 17 | use flexi_logger::{default_format, opt_format, LogTarget, Logger};
[INFO] [stderr]    |                                    ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Interconnect`
[INFO] [stderr]   --> src/main.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 | use interconnect::{Interconnect, MemoryMapper};
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug`, `error`, `info`
[INFO] [stderr]   --> src/main.rs:19:11
[INFO] [stderr]    |
[INFO] [stderr] 19 | use log::{debug, error, info, warn};
[INFO] [stderr]    |           ^^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/main.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::io::{self, Read};
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/opcode.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |             0x64 => "DOP",
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ppu.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut window = Window::new(
[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: associated function is never used: `imm16`
[INFO] [stderr]    --> src/cpu.rs:217:8
[INFO] [stderr]     |
[INFO] [stderr] 217 |     fn imm16(&self) -> AddressMode<u16> {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `brk`
[INFO] [stderr]    --> src/cpu.rs:659:8
[INFO] [stderr]     |
[INFO] [stderr] 659 |     fn brk(&mut self) -> AddressMode<u16> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cli`
[INFO] [stderr]    --> src/cpu.rs:692:8
[INFO] [stderr]     |
[INFO] [stderr] 692 |     fn cli(&mut self, mode: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hlt`
[INFO] [stderr]    --> src/cpu.rs:773:8
[INFO] [stderr]     |
[INFO] [stderr] 773 |     fn hlt(&self) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sloa`
[INFO] [stderr]    --> src/cpu.rs:943:8
[INFO] [stderr]     |
[INFO] [stderr] 943 |     fn sloa(&mut self, value: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `byte`
[INFO] [stderr]   --> src/interconnect.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     byte: u8,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `address`
[INFO] [stderr]   --> src/interconnect.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     address: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `lookup`
[INFO] [stderr]   --> src/interconnect.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     lookup: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Interconnect`
[INFO] [stderr]   --> src/interconnect.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub struct Interconnect {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `default`
[INFO] [stderr]   --> src/interconnect.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn default() -> Box<Interconnect> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> src/opcode.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     A,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `X`
[INFO] [stderr]   --> src/opcode.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     X,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Y`
[INFO] [stderr]   --> src/opcode.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Y,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `default`
[INFO] [stderr]   --> src/opcode.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn default() -> Self {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FrameBuffer`
[INFO] [stderr]   --> src/ppu.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct FrameBuffer {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new`
[INFO] [stderr]   --> src/ppu.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn new() -> FrameBuffer {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PpuDataBus`
[INFO] [stderr]    --> src/ppu.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub struct PpuDataBus {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mask_addr`
[INFO] [stderr]    --> src/rom.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn mask_addr(&self, addr: u16) -> u16 {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `retrieve_mapper_id`
[INFO] [stderr]    --> src/rom.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn retrieve_mapper_id(&self) -> u8 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_rom`
[INFO] [stderr]    --> src/rom.rs:128:12
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn read_rom(&mut self, file: &str) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ppu.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 | /         writeln!(
[INFO] [stderr] 137 | |             f,
[INFO] [stderr] 138 | |             "{}\t{}\t{}\t{}\t{}\t{}{}",
[INFO] [stderr] 139 | |             "CTRL", "MASK", "OAM", "DATA", "SCROLL", "ADDR\t", "DMA\t"
[INFO] [stderr] 140 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 40 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "9810d4eaa0a1abd8e871eaca8f7ce4c5842b9a507c352549e09e088233ad26b6"`
[INFO] running `"docker" "rm" "-f" "9810d4eaa0a1abd8e871eaca8f7ce4c5842b9a507c352549e09e088233ad26b6"`
[INFO] [stdout] 9810d4eaa0a1abd8e871eaca8f7ce4c5842b9a507c352549e09e088233ad26b6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8de015caa40df583fcf9e1389e53be2a6861ab28a389ae55c0dd0c8c63f4df1d
[INFO] running `"docker" "start" "-a" "8de015caa40df583fcf9e1389e53be2a6861ab28a389ae55c0dd0c8c63f4df1d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `minifb`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use minifb;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FrameBuffer`
[INFO] [stderr]  --> src/cpu.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::ppu::{FrameBuffer, Ppu};
[INFO] [stderr]   |                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error`, `warn`
[INFO] [stderr]  --> src/cpu.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use log::{debug, error, info, warn};
[INFO] [stderr]   |                  ^^^^^        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExecutionContext`
[INFO] [stderr]  --> src/interconnect.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::cpu::{ExecutionContext, Registers};
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ppu::Ppu`
[INFO] [stderr]  --> src/interconnect.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::ppu::Ppu;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cartridge`, `RomHeader`
[INFO] [stderr]  --> src/memory.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::rom::{Cartridge, RomHeader};
[INFO] [stderr]   |                  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UpperHex`
[INFO] [stderr]  --> src/memory.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt::{LowerHex, UpperHex};
[INFO] [stderr]   |                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::cpu::StatusRegister`
[INFO] [stderr]  --> src/opcode.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::cpu::StatusRegister;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Scale`
[INFO] [stderr]  --> src/ppu.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use minifb::{Scale, Window, WindowOptions};
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Interconnect`
[INFO] [stderr]  --> src/ppu.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::interconnect::{Interconnect, MemoryMapper};
[INFO] [stderr]   |                           ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::memory::Ram`
[INFO] [stderr]  --> src/rom.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::memory::Ram;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/rom.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Error, Result};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RangeTo`, `Range`
[INFO] [stderr]  --> src/rom.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::ops::{Range, RangeTo};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LogTarget`, `opt_format`
[INFO] [stderr]   --> src/main.rs:17:36
[INFO] [stderr]    |
[INFO] [stderr] 17 | use flexi_logger::{default_format, opt_format, LogTarget, Logger};
[INFO] [stderr]    |                                    ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Interconnect`
[INFO] [stderr]   --> src/main.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 | use interconnect::{Interconnect, MemoryMapper};
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug`, `error`, `info`
[INFO] [stderr]   --> src/main.rs:19:11
[INFO] [stderr]    |
[INFO] [stderr] 19 | use log::{debug, error, info, warn};
[INFO] [stderr]    |           ^^^^^  ^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/main.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::io::{self, Read};
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/opcode.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |             0x64 => "DOP",
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ppu.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut window = Window::new(
[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: associated function is never used: `imm16`
[INFO] [stderr]    --> src/cpu.rs:217:8
[INFO] [stderr]     |
[INFO] [stderr] 217 |     fn imm16(&self) -> AddressMode<u16> {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `brk`
[INFO] [stderr]    --> src/cpu.rs:659:8
[INFO] [stderr]     |
[INFO] [stderr] 659 |     fn brk(&mut self) -> AddressMode<u16> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cli`
[INFO] [stderr]    --> src/cpu.rs:692:8
[INFO] [stderr]     |
[INFO] [stderr] 692 |     fn cli(&mut self, mode: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hlt`
[INFO] [stderr]    --> src/cpu.rs:773:8
[INFO] [stderr]     |
[INFO] [stderr] 773 |     fn hlt(&self) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sloa`
[INFO] [stderr]    --> src/cpu.rs:943:8
[INFO] [stderr]     |
[INFO] [stderr] 943 |     fn sloa(&mut self, value: AddressMode<u16>) -> AddressMode<u16> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `byte`
[INFO] [stderr]   --> src/interconnect.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     byte: u8,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `address`
[INFO] [stderr]   --> src/interconnect.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     address: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `lookup`
[INFO] [stderr]   --> src/interconnect.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     lookup: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Interconnect`
[INFO] [stderr]   --> src/interconnect.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub struct Interconnect {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `default`
[INFO] [stderr]   --> src/interconnect.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn default() -> Box<Interconnect> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> src/opcode.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     A,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `X`
[INFO] [stderr]   --> src/opcode.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     X,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Y`
[INFO] [stderr]   --> src/opcode.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Y,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `default`
[INFO] [stderr]   --> src/opcode.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn default() -> Self {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FrameBuffer`
[INFO] [stderr]   --> src/ppu.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct FrameBuffer {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new`
[INFO] [stderr]   --> src/ppu.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn new() -> FrameBuffer {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PpuDataBus`
[INFO] [stderr]    --> src/ppu.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub struct PpuDataBus {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mask_addr`
[INFO] [stderr]    --> src/rom.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn mask_addr(&self, addr: u16) -> u16 {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `retrieve_mapper_id`
[INFO] [stderr]    --> src/rom.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn retrieve_mapper_id(&self) -> u8 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_rom`
[INFO] [stderr]    --> src/rom.rs:128:12
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn read_rom(&mut self, file: &str) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ppu.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 | /         writeln!(
[INFO] [stderr] 137 | |             f,
[INFO] [stderr] 138 | |             "{}\t{}\t{}\t{}\t{}\t{}{}",
[INFO] [stderr] 139 | |             "CTRL", "MASK", "OAM", "DATA", "SCROLL", "ADDR\t", "DMA\t"
[INFO] [stderr] 140 | |         );
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 40 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nes-c3fa8deb0db55857
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8de015caa40df583fcf9e1389e53be2a6861ab28a389ae55c0dd0c8c63f4df1d"`
[INFO] running `"docker" "rm" "-f" "8de015caa40df583fcf9e1389e53be2a6861ab28a389ae55c0dd0c8c63f4df1d"`
[INFO] [stdout] 8de015caa40df583fcf9e1389e53be2a6861ab28a389ae55c0dd0c8c63f4df1d