[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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/sanchopanca/old-rusty-platforms"` [INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/sanchopanca/old-rusty-platforms'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sanchopanca/old-rusty-platforms" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/sanchopanca/old-rusty-platforms"` [INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sanchopanca/old-rusty-platforms on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking sanchopanca/old-rusty-platforms against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-7/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] e38943605567c563d15a595257ba43401e563b677365a614848032efb1ded2ae [INFO] running `"docker" "start" "-a" "e38943605567c563d15a595257ba43401e563b677365a614848032efb1ded2ae"` [INFO] [stderr] Compiling sdl2-sys v0.8.1 [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 4.11s [INFO] running `"docker" "inspect" "e38943605567c563d15a595257ba43401e563b677365a614848032efb1ded2ae"` [INFO] running `"docker" "rm" "-f" "e38943605567c563d15a595257ba43401e563b677365a614848032efb1ded2ae"` [INFO] [stdout] e38943605567c563d15a595257ba43401e563b677365a614848032efb1ded2ae