[INFO] cloning repository https://github.com/taraka/nes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taraka/nes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaraka%2Fnes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaraka%2Fnes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e140c5567dfc2e08caf7476e1ca420c3930fd8e
[INFO] testing taraka/nes against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaraka%2Fnes" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taraka/nes on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/taraka/nes
[INFO] finished tweaking git repo https://github.com/taraka/nes
[INFO] tweaked toml for git repo https://github.com/taraka/nes written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/taraka/nes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bce5b3ff12a3cf39e086c4bfcb1e62d34537956f8b9c6cd5d8a52e37938ed1e0
[INFO] running `Command { std: "docker" "start" "-a" "bce5b3ff12a3cf39e086c4bfcb1e62d34537956f8b9c6cd5d8a52e37938ed1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bce5b3ff12a3cf39e086c4bfcb1e62d34537956f8b9c6cd5d8a52e37938ed1e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce5b3ff12a3cf39e086c4bfcb1e62d34537956f8b9c6cd5d8a52e37938ed1e0", kill_on_drop: false }`
[INFO] [stdout] bce5b3ff12a3cf39e086c4bfcb1e62d34537956f8b9c6cd5d8a52e37938ed1e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 922c75439c699f8e6696fcec9d68473b91166cdb9cccc5feba5a24ee993c9920
[INFO] running `Command { std: "docker" "start" "-a" "922c75439c699f8e6696fcec9d68473b91166cdb9cccc5feba5a24ee993c9920", kill_on_drop: false }`
[INFO] [stderr]    Compiling nes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]  --> src/main.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/mos6502.rs:831:9
[INFO] [stdout]     |
[INFO] [stdout] 830 |         panic!("Unknown opcode as: {:#04x}", self.pc);
[INFO] [stdout]     |         ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 831 |         self.additional_cycles(&amr, 0)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amr`
[INFO] [stdout]    --> src/mos6502.rs:829:23
[INFO] [stdout]     |
[INFO] [stdout] 829 |     fn xxx(&mut self, amr: AddrModeResult) -> u8 {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_amr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/nes.rs:94:24
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn ppu_read(&self, addr: u16) -> Option<u8> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/nes.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn ppu_write(&mut self, addr: u16, data: u8) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/nes.rs:98:40
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn ppu_write(&mut self, addr: u16, data: u8) {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/cartridge.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |         if let Some(a) = self.mapper.write(addr, data) {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/cartridge.rs:124:36
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn write(&mut self, addr: u16, data: u8) {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/mappers/mapper0.rs:31:36
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn write(&mut self, addr: u16, data: u8) -> Option<u16> {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/mappers/mapper0.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn ppu_write(&mut self, addr: u16, data: u8) -> Option<u16> {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos6502.rs:311:13
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let mut addr = self.read(self.pc) ;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_inst`
[INFO] [stdout]   --> src/mos6502.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn next_inst(&mut self) {
[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: `irq`
[INFO] [stdout]    --> src/mos6502.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn irq(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nmi`
[INFO] [stdout]    --> src/mos6502.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn nmi(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ppu_read`
[INFO] [stdout]   --> src/nes.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn ppu_read(&self, addr: u16) -> Option<u8> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ppu_write`
[INFO] [stdout]   --> src/nes.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn ppu_write(&mut self, addr: u16, data: u8) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_range`
[INFO] [stdout]   --> src/ram.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn print_range(&mut self, r: std::ops::Range<u16>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ppu_read`
[INFO] [stdout]   --> src/cartridge.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn ppu_read(&mut self, addr: u16) -> Option<u8> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ppu_write`
[INFO] [stdout]    --> src/cartridge.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn ppu_write(&mut self, addr: u16, data: u8) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bus`
[INFO] [stdout]   --> src/ppu.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     bus:  Rc<RefCell<Bus>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/mappers/mapper0.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |         if addr >= 0x8000 && addr <= 0xFFFF {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/mappers/mapper0.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |         if addr >= 0x8000 && addr <= 0xFFFF {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "922c75439c699f8e6696fcec9d68473b91166cdb9cccc5feba5a24ee993c9920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "922c75439c699f8e6696fcec9d68473b91166cdb9cccc5feba5a24ee993c9920", kill_on_drop: false }`
[INFO] [stdout] 922c75439c699f8e6696fcec9d68473b91166cdb9cccc5feba5a24ee993c9920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9edc4725bb3bbfbee211838b527e24973891134ce625956761f151dc55b19aac
[INFO] running `Command { std: "docker" "start" "-a" "9edc4725bb3bbfbee211838b527e24973891134ce625956761f151dc55b19aac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `thread`, `time`
[INFO] [stdout]  --> src/main.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/mos6502.rs:831:9
[INFO] [stdout]     |
[INFO] [stdout] 830 |         panic!("Unknown opcode as: {:#04x}", self.pc);
[INFO] [stdout]     |         ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 831 |         self.additional_cycles(&amr, 0)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amr`
[INFO] [stdout]    --> src/mos6502.rs:829:23
[INFO] [stdout]     |
[INFO] [stdout] 829 |     fn xxx(&mut self, amr: AddrModeResult) -> u8 {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_amr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/nes.rs:94:24
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn ppu_read(&self, addr: u16) -> Option<u8> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/nes.rs:98:29
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn ppu_write(&mut self, addr: u16, data: u8) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/nes.rs:98:40
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn ppu_write(&mut self, addr: u16, data: u8) {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/cartridge.rs:101:21
[INFO] [stdout]     |
[INFO] [stdout] 101 |         if let Some(a) = self.mapper.write(addr, data) {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/cartridge.rs:124:36
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn write(&mut self, addr: u16, data: u8) {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/mappers/mapper0.rs:31:36
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn write(&mut self, addr: u16, data: u8) -> Option<u16> {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/mappers/mapper0.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn ppu_write(&mut self, addr: u16, data: u8) -> Option<u16> {
[INFO] [stdout]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos6502.rs:311:13
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let mut addr = self.read(self.pc) ;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_inst`
[INFO] [stdout]   --> src/mos6502.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn next_inst(&mut self) {
[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: `irq`
[INFO] [stdout]    --> src/mos6502.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn irq(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nmi`
[INFO] [stdout]    --> src/mos6502.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn nmi(&mut self) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ppu_read`
[INFO] [stdout]   --> src/nes.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn ppu_read(&self, addr: u16) -> Option<u8> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ppu_write`
[INFO] [stdout]   --> src/nes.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn ppu_write(&mut self, addr: u16, data: u8) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_range`
[INFO] [stdout]   --> src/ram.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn print_range(&mut self, r: std::ops::Range<u16>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ppu_read`
[INFO] [stdout]   --> src/cartridge.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn ppu_read(&mut self, addr: u16) -> Option<u8> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ppu_write`
[INFO] [stdout]    --> src/cartridge.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn ppu_write(&mut self, addr: u16, data: u8) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bus`
[INFO] [stdout]   --> src/ppu.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     bus:  Rc<RefCell<Bus>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/mappers/mapper0.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |         if addr >= 0x8000 && addr <= 0xFFFF {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/mappers/mapper0.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |         if addr >= 0x8000 && addr <= 0xFFFF {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "9edc4725bb3bbfbee211838b527e24973891134ce625956761f151dc55b19aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9edc4725bb3bbfbee211838b527e24973891134ce625956761f151dc55b19aac", kill_on_drop: false }`
[INFO] [stdout] 9edc4725bb3bbfbee211838b527e24973891134ce625956761f151dc55b19aac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e218098af0d6d89db1a527e4ec1db0a4c468d980007c466b77e6f964270fb971
[INFO] running `Command { std: "docker" "start" "-a" "e218098af0d6d89db1a527e4ec1db0a4c468d980007c466b77e6f964270fb971", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/main.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::rc::Rc;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/mos6502.rs:831:9
[INFO] [stderr]     |
[INFO] [stderr] 830 |         panic!("Unknown opcode as: {:#04x}", self.pc);
[INFO] [stderr]     |         ---------------------------------------------- any code following this expression is unreachable
[INFO] [stderr] 831 |         self.additional_cycles(&amr, 0)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `amr`
[INFO] [stderr]    --> src/mos6502.rs:829:23
[INFO] [stderr]     |
[INFO] [stderr] 829 |     fn xxx(&mut self, amr: AddrModeResult) -> u8 {
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_amr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/nes.rs:94:24
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn ppu_read(&self, addr: u16) -> Option<u8> {
[INFO] [stderr]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/nes.rs:98:29
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn ppu_write(&mut self, addr: u16, data: u8) {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/nes.rs:98:40
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn ppu_write(&mut self, addr: u16, data: u8) {
[INFO] [stderr]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/cartridge.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |         if let Some(a) = self.mapper.write(addr, data) {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/cartridge.rs:124:36
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn write(&mut self, addr: u16, data: u8) {
[INFO] [stderr]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/mappers/mapper0.rs:31:36
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn write(&mut self, addr: u16, data: u8) -> Option<u16> {
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/mappers/mapper0.rs:41:40
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn ppu_write(&mut self, addr: u16, data: u8) -> Option<u16> {
[INFO] [stderr]    |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/mos6502.rs:311:13
[INFO] [stderr]     |
[INFO] [stderr] 311 |         let mut addr = self.read(self.pc) ;
[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: `next_inst`
[INFO] [stderr]   --> src/mos6502.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn next_inst(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `irq`
[INFO] [stderr]    --> src/mos6502.rs:146:8
[INFO] [stderr]     |
[INFO] [stderr] 146 |     fn irq(&mut self) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `nmi`
[INFO] [stderr]    --> src/mos6502.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn nmi(&mut self) {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ppu_read`
[INFO] [stderr]   --> src/nes.rs:94:8
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn ppu_read(&self, addr: u16) -> Option<u8> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ppu_write`
[INFO] [stderr]   --> src/nes.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn ppu_write(&mut self, addr: u16, data: u8) {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_range`
[INFO] [stderr]   --> src/ram.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn print_range(&mut self, r: std::ops::Range<u16>) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ppu_read`
[INFO] [stderr]   --> src/cartridge.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn ppu_read(&mut self, addr: u16) -> Option<u8> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ppu_write`
[INFO] [stderr]    --> src/cartridge.rs:100:8
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn ppu_write(&mut self, addr: u16, data: u8) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bus`
[INFO] [stderr]   --> src/ppu.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     bus:  Rc<RefCell<Bus>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/mappers/mapper0.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 |         if addr >= 0x8000 && addr <= 0xFFFF {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/mappers/mapper0.rs:32:30
[INFO] [stderr]    |
[INFO] [stderr] 32 |         if addr >= 0x8000 && addr <= 0xFFFF {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `nes` (bin "nes" test) generated 24 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nes-6dce5bfeac5658ef)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e218098af0d6d89db1a527e4ec1db0a4c468d980007c466b77e6f964270fb971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e218098af0d6d89db1a527e4ec1db0a4c468d980007c466b77e6f964270fb971", kill_on_drop: false }`
[INFO] [stdout] e218098af0d6d89db1a527e4ec1db0a4c468d980007c466b77e6f964270fb971