[INFO] cloning repository https://github.com/ginkxo/rust6502
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ginkxo/rust6502" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fginkxo%2Frust6502", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fginkxo%2Frust6502'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] beacf0ac9fa27ddbd88da30c8baab6d5195585ff
[INFO] testing ginkxo/rust6502 against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fginkxo%2Frust6502" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ginkxo/rust6502 on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ginkxo/rust6502
[INFO] finished tweaking git repo https://github.com/ginkxo/rust6502
[INFO] tweaked toml for git repo https://github.com/ginkxo/rust6502 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ginkxo/rust6502 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da33ce73d6bb9be44894780a0a7f73f1c0f40cd413f3557199ff39819d5bcc9e
[INFO] running `Command { std: "docker" "start" "-a" "da33ce73d6bb9be44894780a0a7f73f1c0f40cd413f3557199ff39819d5bcc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da33ce73d6bb9be44894780a0a7f73f1c0f40cd413f3557199ff39819d5bcc9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da33ce73d6bb9be44894780a0a7f73f1c0f40cd413f3557199ff39819d5bcc9e", kill_on_drop: false }`
[INFO] [stdout] da33ce73d6bb9be44894780a0a7f73f1c0f40cd413f3557199ff39819d5bcc9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10074491d817295a48992ec16f01003292c919d78997c86b4d406e34ac1db7e2
[INFO] running `Command { std: "docker" "start" "-a" "10074491d817295a48992ec16f01003292c919d78997c86b4d406e34ac1db7e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust6502 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `subroutine_addr`
[INFO] [stdout]    --> src/mos.rs:249:26
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     let (subroutine_addr, mut cycles): (Word, i32) = CPU::fetch_word(self, mem, cycles);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subroutine_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:171:31
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn execute(&mut self, mut cycles: i32, mem: &MEMORY) -> Result<i32, &'static str>{
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:178:31
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let (instruction, mut cycles): (Opcode, i32) = CPU::fetch_byte(self, mem, cycles);
[INFO] [stdout]     |                               ----^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:183:33
[INFO] [stdout]     |
[INFO] [stdout] 183 |                     let (value, mut cycles): (Byte, i32) = CPU::fetch_byte(self, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:188:45
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     let (zero_page_address, mut cycles): (Byte, i32) = CPU::fetch_byte(self, mem, cycles);
[INFO] [stdout]     |                                             ----^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:189:33
[INFO] [stdout]     |
[INFO] [stdout] 189 |                     let (value, mut cycles): (Byte, i32) = CPU::read_byte_zero_page(zero_page_address, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:198:33
[INFO] [stdout]     |
[INFO] [stdout] 198 |                     let (value, mut cycles): (Byte, i32) = CPU::read_byte_zero_page(zero_page_addr_x, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:203:44
[INFO] [stdout]     |
[INFO] [stdout] 203 |                     let (absolute_address, mut cycles): (Word, i32) = CPU::fetch_word(self, mem, cycles);
[INFO] [stdout]     |                                            ----^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:204:33
[INFO] [stdout]     |
[INFO] [stdout] 204 |                     let (value, mut cycles): (Byte, i32) = CPU::read_byte(absolute_address, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:209:44
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     let (absolute_address, mut cycles): (Word, i32) = CPU::fetch_word(self, mem, cycles);
[INFO] [stdout]     |                                            ----^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:219:44
[INFO] [stdout]     |
[INFO] [stdout] 219 |                     let (absolute_address, mut cycles): (Word, i32) = CPU::fetch_word(self, mem, cycles);
[INFO] [stdout]     |                                            ----^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:232:45
[INFO] [stdout]     |
[INFO] [stdout] 232 |                     let (effective_address, mut cycles): (Word, i32) = CPU::read_word(zero_page_addr_x, mem, cycles);
[INFO] [stdout]     |                                             ----^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:233:33
[INFO] [stdout]     |
[INFO] [stdout] 233 |                     let (value, mut cycles): (Byte, i32) = CPU::read_byte(effective_address, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:238:45
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     let (zero_page_address, mut cycles): (Byte, i32) = CPU::fetch_byte(self, mem, cycles);
[INFO] [stdout]     |                                             ----^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:239:45
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     let (effective_address, mut cycles): (Word, i32) = CPU::read_word(zero_page_address as Word, mem, cycles);
[INFO] [stdout]     |                                             ----^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:249:43
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     let (subroutine_addr, mut cycles): (Word, i32) = CPU::fetch_word(self, mem, cycles);
[INFO] [stdout]     |                                           ----^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:254:33
[INFO] [stdout]     |
[INFO] [stdout] 254 |                     let (value, mut cycles): (Byte, i32) = CPU::fetch_byte(self, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:259:33
[INFO] [stdout]     |
[INFO] [stdout] 259 |                     let (value, mut cycles): (Byte, i32) = CPU::fetch_byte(self, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset_cpu` is never used
[INFO] [stdout]    --> src/mos.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl CPU {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] 117 |
[INFO] [stdout] 118 |     fn reset_cpu(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `subroutine_addr`
[INFO] [stdout]    --> src/mos.rs:249:26
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     let (subroutine_addr, mut cycles): (Word, i32) = CPU::fetch_word(self, mem, cycles);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subroutine_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:171:31
[INFO] [stdout]     |
[INFO] [stdout] 171 |     pub fn execute(&mut self, mut cycles: i32, mem: &MEMORY) -> Result<i32, &'static str>{
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:178:31
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let (instruction, mut cycles): (Opcode, i32) = CPU::fetch_byte(self, mem, cycles);
[INFO] [stdout]     |                               ----^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:183:33
[INFO] [stdout]     |
[INFO] [stdout] 183 |                     let (value, mut cycles): (Byte, i32) = CPU::fetch_byte(self, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:188:45
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     let (zero_page_address, mut cycles): (Byte, i32) = CPU::fetch_byte(self, mem, cycles);
[INFO] [stdout]     |                                             ----^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:189:33
[INFO] [stdout]     |
[INFO] [stdout] 189 |                     let (value, mut cycles): (Byte, i32) = CPU::read_byte_zero_page(zero_page_address, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:198:33
[INFO] [stdout]     |
[INFO] [stdout] 198 |                     let (value, mut cycles): (Byte, i32) = CPU::read_byte_zero_page(zero_page_addr_x, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:203:44
[INFO] [stdout]     |
[INFO] [stdout] 203 |                     let (absolute_address, mut cycles): (Word, i32) = CPU::fetch_word(self, mem, cycles);
[INFO] [stdout]     |                                            ----^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:204:33
[INFO] [stdout]     |
[INFO] [stdout] 204 |                     let (value, mut cycles): (Byte, i32) = CPU::read_byte(absolute_address, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:209:44
[INFO] [stdout]     |
[INFO] [stdout] 209 |                     let (absolute_address, mut cycles): (Word, i32) = CPU::fetch_word(self, mem, cycles);
[INFO] [stdout]     |                                            ----^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:219:44
[INFO] [stdout]     |
[INFO] [stdout] 219 |                     let (absolute_address, mut cycles): (Word, i32) = CPU::fetch_word(self, mem, cycles);
[INFO] [stdout]     |                                            ----^^^^^^
[INFO] [stdout]     |                                            |
[INFO] [stdout]     |                                            help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:232:45
[INFO] [stdout]     |
[INFO] [stdout] 232 |                     let (effective_address, mut cycles): (Word, i32) = CPU::read_word(zero_page_addr_x, mem, cycles);
[INFO] [stdout]     |                                             ----^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:233:33
[INFO] [stdout]     |
[INFO] [stdout] 233 |                     let (value, mut cycles): (Byte, i32) = CPU::read_byte(effective_address, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:238:45
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     let (zero_page_address, mut cycles): (Byte, i32) = CPU::fetch_byte(self, mem, cycles);
[INFO] [stdout]     |                                             ----^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:239:45
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     let (effective_address, mut cycles): (Word, i32) = CPU::read_word(zero_page_address as Word, mem, cycles);
[INFO] [stdout]     |                                             ----^^^^^^
[INFO] [stdout]     |                                             |
[INFO] [stdout]     |                                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:249:43
[INFO] [stdout]     |
[INFO] [stdout] 249 |                     let (subroutine_addr, mut cycles): (Word, i32) = CPU::fetch_word(self, mem, cycles);
[INFO] [stdout]     |                                           ----^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:254:33
[INFO] [stdout]     |
[INFO] [stdout] 254 |                     let (value, mut cycles): (Byte, i32) = CPU::fetch_byte(self, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mos.rs:259:33
[INFO] [stdout]     |
[INFO] [stdout] 259 |                     let (value, mut cycles): (Byte, i32) = CPU::fetch_byte(self, mem, cycles);
[INFO] [stdout]     |                                 ----^^^^^^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset_cpu` is never used
[INFO] [stdout]    --> src/mos.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl CPU {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] 117 |
[INFO] [stdout] 118 |     fn reset_cpu(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcvqDdvS/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust6502-3c6a314d912b2a7d" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust6502` (bin "rust6502") due to 1 previous error; 19 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "10074491d817295a48992ec16f01003292c919d78997c86b4d406e34ac1db7e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10074491d817295a48992ec16f01003292c919d78997c86b4d406e34ac1db7e2", kill_on_drop: false }`
[INFO] [stdout] 10074491d817295a48992ec16f01003292c919d78997c86b4d406e34ac1db7e2