[INFO] updating cached repository sanchopanca/old-rusty-platforms
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sanchopanca/old-rusty-platforms
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sanchopanca/old-rusty-platforms" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/sanchopanca/old-rusty-platforms"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/sanchopanca/old-rusty-platforms'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sanchopanca/old-rusty-platforms" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/sanchopanca/old-rusty-platforms"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/sanchopanca/old-rusty-platforms'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce71f9b6696c9b4123d5e98a7ad7ba1745fb07ff
[INFO] sha for GitHub repo sanchopanca/old-rusty-platforms: ce71f9b6696c9b4123d5e98a7ad7ba1745fb07ff
[INFO] validating manifest of sanchopanca/old-rusty-platforms on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sanchopanca/old-rusty-platforms on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sanchopanca/old-rusty-platforms
[INFO] finished frobbing sanchopanca/old-rusty-platforms
[INFO] frobbed toml for sanchopanca/old-rusty-platforms written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/sanchopanca/old-rusty-platforms/Cargo.toml
[INFO] started frobbing sanchopanca/old-rusty-platforms
[INFO] finished frobbing sanchopanca/old-rusty-platforms
[INFO] frobbed toml for sanchopanca/old-rusty-platforms written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/sanchopanca/old-rusty-platforms/Cargo.toml
[INFO] crate sanchopanca/old-rusty-platforms already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/sanchopanca/old-rusty-platforms/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2 v0.14.0
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sanchopanca/old-rusty-platforms against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/sanchopanca/old-rusty-platforms:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fa3c757ca0b830d0e9e7a91fd50230d96911a1b342fbd207eaa6bd19b988192c
[INFO] running `"docker" "start" "-a" "fa3c757ca0b830d0e9e7a91fd50230d96911a1b342fbd207eaa6bd19b988192c"`
[INFO] [stderr]    Compiling sdl2-sys v0.8.1
[INFO] [stderr] warning: redundant linker flag specified for library `SDL2`
[INFO] [stderr] 
[INFO] [stderr]     Checking sdl2 v0.14.0
[INFO] [stderr]     Checking old_rusty_platforms v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `vide_memory`
[INFO] [stderr]   --> src/chip8_display.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn update(&mut self, vide_memory: &[[u8; 4]; 8]) {
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: consider prefixing with an underscore: `_vide_memory`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `v`
[INFO] [stderr]  --> src/chip8.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     v: [u8; 16],  // V0 - VF registers
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `i`
[INFO] [stderr]   --> src/chip8.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     i: u16,  // address register
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `stack`
[INFO] [stderr]   --> src/chip8.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     stack: [usize; 16], // stack
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sp`
[INFO] [stderr]   --> src/chip8.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     sp: usize, // stack pointer
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `delay_timer`
[INFO] [stderr]   --> src/chip8.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     delay_timer: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sound_timer`
[INFO] [stderr]   --> src/chip8.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     sound_timer: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ca`
[INFO] [stderr]   --> src/chip8.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ca: usize, // current address
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_opcode`
[INFO] [stderr]   --> src/chip8.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn execute_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `not_implemented`
[INFO] [stderr]   --> src/chip8.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn not_implemented(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `warning`
[INFO] [stderr]   --> src/chip8.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn warning(&self, message: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_0_opcode`
[INFO] [stderr]   --> src/chip8.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn execute_0_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_1_opcode`
[INFO] [stderr]    --> src/chip8.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn execute_1_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_2_opcode`
[INFO] [stderr]    --> src/chip8.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn execute_2_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_3_opcode`
[INFO] [stderr]    --> src/chip8.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn execute_3_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_4_opcode`
[INFO] [stderr]    --> src/chip8.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     fn execute_4_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_5_opcode`
[INFO] [stderr]    --> src/chip8.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn execute_5_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_6_opcode`
[INFO] [stderr]    --> src/chip8.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn execute_6_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_7_opcode`
[INFO] [stderr]    --> src/chip8.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn execute_7_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_8_opcode`
[INFO] [stderr]    --> src/chip8.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn execute_8_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_9_opcode`
[INFO] [stderr]    --> src/chip8.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn execute_9_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_a_opcode`
[INFO] [stderr]    --> src/chip8.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn execute_a_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_b_opcode`
[INFO] [stderr]    --> src/chip8.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn execute_b_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_c_opcode`
[INFO] [stderr]    --> src/chip8.rs:254:5
[INFO] [stderr]     |
[INFO] [stderr] 254 |     fn execute_c_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_d_opcode`
[INFO] [stderr]    --> src/chip8.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn execute_d_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_e_opcode`
[INFO] [stderr]    --> src/chip8.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     fn execute_e_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_f_opcode`
[INFO] [stderr]    --> src/chip8.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn execute_f_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]  --> src/chip8_display.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     x: i8,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/chip8.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         binary_parser::load_binary_to_memory(file_path, &mut self.ram[0x200..]);
[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] 
[INFO] [stderr] warning: unused variable: `vide_memory`
[INFO] [stderr]   --> src/chip8_display.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn update(&mut self, vide_memory: &[[u8; 4]; 8]) {
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: consider prefixing with an underscore: `_vide_memory`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `v`
[INFO] [stderr]  --> src/chip8.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     v: [u8; 16],  // V0 - VF registers
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `i`
[INFO] [stderr]   --> src/chip8.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     i: u16,  // address register
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `stack`
[INFO] [stderr]   --> src/chip8.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     stack: [usize; 16], // stack
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sp`
[INFO] [stderr]   --> src/chip8.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     sp: usize, // stack pointer
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `delay_timer`
[INFO] [stderr]   --> src/chip8.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     delay_timer: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sound_timer`
[INFO] [stderr]   --> src/chip8.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     sound_timer: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ca`
[INFO] [stderr]   --> src/chip8.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ca: usize, // current address
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_opcode`
[INFO] [stderr]   --> src/chip8.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn execute_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `not_implemented`
[INFO] [stderr]   --> src/chip8.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn not_implemented(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `warning`
[INFO] [stderr]   --> src/chip8.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn warning(&self, message: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_0_opcode`
[INFO] [stderr]   --> src/chip8.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn execute_0_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_1_opcode`
[INFO] [stderr]    --> src/chip8.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn execute_1_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_2_opcode`
[INFO] [stderr]    --> src/chip8.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn execute_2_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_3_opcode`
[INFO] [stderr]    --> src/chip8.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn execute_3_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_4_opcode`
[INFO] [stderr]    --> src/chip8.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     fn execute_4_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_5_opcode`
[INFO] [stderr]    --> src/chip8.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn execute_5_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_6_opcode`
[INFO] [stderr]    --> src/chip8.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn execute_6_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_7_opcode`
[INFO] [stderr]    --> src/chip8.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn execute_7_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_8_opcode`
[INFO] [stderr]    --> src/chip8.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn execute_8_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_9_opcode`
[INFO] [stderr]    --> src/chip8.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn execute_9_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_a_opcode`
[INFO] [stderr]    --> src/chip8.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn execute_a_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_b_opcode`
[INFO] [stderr]    --> src/chip8.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn execute_b_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_c_opcode`
[INFO] [stderr]    --> src/chip8.rs:254:5
[INFO] [stderr]     |
[INFO] [stderr] 254 |     fn execute_c_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_d_opcode`
[INFO] [stderr]    --> src/chip8.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn execute_d_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_e_opcode`
[INFO] [stderr]    --> src/chip8.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     fn execute_e_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_f_opcode`
[INFO] [stderr]    --> src/chip8.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn execute_f_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]  --> src/chip8_display.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     x: i8,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/chip8.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         binary_parser::load_binary_to_memory(file_path, &mut self.ram[0x200..]);
[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] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `"docker" "inspect" "fa3c757ca0b830d0e9e7a91fd50230d96911a1b342fbd207eaa6bd19b988192c"`
[INFO] running `"docker" "rm" "-f" "fa3c757ca0b830d0e9e7a91fd50230d96911a1b342fbd207eaa6bd19b988192c"`
[INFO] [stdout] fa3c757ca0b830d0e9e7a91fd50230d96911a1b342fbd207eaa6bd19b988192c