[INFO] updating cached repository mkobzik/chip-8-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mkobzik/chip-8-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mkobzik/chip-8-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/mkobzik/chip-8-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mkobzik/chip-8-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mkobzik/chip-8-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkobzik/chip-8-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkobzik/chip-8-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d87f81818681ce3889de72294947e2e968447a95 [INFO] sha for GitHub repo mkobzik/chip-8-rust: d87f81818681ce3889de72294947e2e968447a95 [INFO] validating manifest of mkobzik/chip-8-rust on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mkobzik/chip-8-rust on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mkobzik/chip-8-rust [INFO] finished frobbing mkobzik/chip-8-rust [INFO] frobbed toml for mkobzik/chip-8-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/mkobzik/chip-8-rust/Cargo.toml [INFO] started frobbing mkobzik/chip-8-rust [INFO] finished frobbing mkobzik/chip-8-rust [INFO] frobbed toml for mkobzik/chip-8-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkobzik/chip-8-rust/Cargo.toml [INFO] crate mkobzik/chip-8-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mkobzik/chip-8-rust/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mkobzik/chip-8-rust against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkobzik/chip-8-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 3baf4bf8436f57a982a63a7aa129d255391de5509aab7f32e31a665d4042e75b [INFO] running `"docker" "start" "-a" "3baf4bf8436f57a982a63a7aa129d255391de5509aab7f32e31a665d4042e75b"` [INFO] [stderr] Compiling chip-8-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/chip8.rs:118:33 [INFO] [stderr] | [INFO] [stderr] 118 | pub fn add_vx_nn(&mut self, x: u8, nn: u8) { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/keyboard.rs:1:23 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn is_key_pressed(x: u8) -> bool { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let mut vx = &mut self.registers[0]; [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: struct is never constructed: `Chip8` [INFO] [stderr] --> src/chip8.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub struct Chip8 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `init` [INFO] [stderr] --> src/chip8.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn init() -> Chip8 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `cls` [INFO] [stderr] --> src/chip8.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn cls() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `ret` [INFO] [stderr] --> src/chip8.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | pub fn ret(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `call_nnn` [INFO] [stderr] --> src/chip8.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn call_nnn(&mut self, nnn: u16) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `jp_nnn` [INFO] [stderr] --> src/chip8.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn jp_nnn(&self, nnn: u16) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `jp_v0_nnn` [INFO] [stderr] --> src/chip8.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn jp_v0_nnn(&self, nnn: u16) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `se_vx_nn` [INFO] [stderr] --> src/chip8.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | pub fn se_vx_nn(&self, x: u8, nn: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `sne_vx_nn` [INFO] [stderr] --> src/chip8.rs:62:5 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn sne_vx_nn(&self, x: u8, nn: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `se_vx_vy` [INFO] [stderr] --> src/chip8.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | pub fn se_vx_vy(&self, x: u8, y: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `sne_vx_vy` [INFO] [stderr] --> src/chip8.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | pub fn sne_vx_vy(&self, x: u8, y: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `ld_vx_nn` [INFO] [stderr] --> src/chip8.rs:80:5 [INFO] [stderr] | [INFO] [stderr] 80 | pub fn ld_vx_nn(&mut self, x: u8, nn: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `ld_vx_vy` [INFO] [stderr] --> src/chip8.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | pub fn ld_vx_vy(&mut self, x: u8, y: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `ld_i_nnn` [INFO] [stderr] --> src/chip8.rs:88:5 [INFO] [stderr] | [INFO] [stderr] 88 | pub fn ld_i_nnn(&self, nnn: u16) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `ld_vx_dt` [INFO] [stderr] --> src/chip8.rs:92:5 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn ld_vx_dt(&mut self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `ld_dt_vx` [INFO] [stderr] --> src/chip8.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | pub fn ld_dt_vx(&self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `ld_st_vx` [INFO] [stderr] --> src/chip8.rs:100:5 [INFO] [stderr] | [INFO] [stderr] 100 | pub fn ld_st_vx(&self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `ld_vx_i` [INFO] [stderr] --> src/chip8.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | pub fn ld_vx_i(&mut self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `ld_i_vx` [INFO] [stderr] --> src/chip8.rs:111:5 [INFO] [stderr] | [INFO] [stderr] 111 | pub fn ld_i_vx(&mut self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_vx_nn` [INFO] [stderr] --> src/chip8.rs:118:5 [INFO] [stderr] | [INFO] [stderr] 118 | pub fn add_vx_nn(&mut self, x: u8, nn: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_vx_vy` [INFO] [stderr] --> src/chip8.rs:123:5 [INFO] [stderr] | [INFO] [stderr] 123 | pub fn add_vx_vy(&mut self, x: u8, y: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_i_vx` [INFO] [stderr] --> src/chip8.rs:129:5 [INFO] [stderr] | [INFO] [stderr] 129 | pub fn add_i_vx(&self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `sub_vx_vy` [INFO] [stderr] --> src/chip8.rs:133:5 [INFO] [stderr] | [INFO] [stderr] 133 | pub fn sub_vx_vy(&mut self, x: u8, y: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `subn_vx_vy` [INFO] [stderr] --> src/chip8.rs:139:5 [INFO] [stderr] | [INFO] [stderr] 139 | pub fn subn_vx_vy(&mut self, x: u8, y: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `or_vx_vy` [INFO] [stderr] --> src/chip8.rs:145:5 [INFO] [stderr] | [INFO] [stderr] 145 | pub fn or_vx_vy(&mut self, x: u8, y: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `and_vx_vy` [INFO] [stderr] --> src/chip8.rs:149:5 [INFO] [stderr] | [INFO] [stderr] 149 | pub fn and_vx_vy(&mut self, x: u8, y: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `xor_vx_vy` [INFO] [stderr] --> src/chip8.rs:153:5 [INFO] [stderr] | [INFO] [stderr] 153 | pub fn xor_vx_vy(&mut self, x: u8, y: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `rnd_vx_nn` [INFO] [stderr] --> src/chip8.rs:157:5 [INFO] [stderr] | [INFO] [stderr] 157 | pub fn rnd_vx_nn(&mut self, x: u8, nn: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `shr_vx` [INFO] [stderr] --> src/chip8.rs:162:5 [INFO] [stderr] | [INFO] [stderr] 162 | pub fn shr_vx(&mut self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `shl_vx` [INFO] [stderr] --> src/chip8.rs:167:5 [INFO] [stderr] | [INFO] [stderr] 167 | pub fn shl_vx(&mut self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `skp_vx` [INFO] [stderr] --> src/chip8.rs:172:5 [INFO] [stderr] | [INFO] [stderr] 172 | pub fn skp_vx(&self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `sknp_vx` [INFO] [stderr] --> src/chip8.rs:178:5 [INFO] [stderr] | [INFO] [stderr] 178 | pub fn sknp_vx(&self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `ld_vx_k` [INFO] [stderr] --> src/chip8.rs:184:5 [INFO] [stderr] | [INFO] [stderr] 184 | pub fn ld_vx_k(&mut self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_key_pressed` [INFO] [stderr] --> src/keyboard.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn is_key_pressed(x: u8) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `wait_for_key_press` [INFO] [stderr] --> src/keyboard.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn wait_for_key_press() -> u8 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `clear` [INFO] [stderr] --> src/display.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn clear() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `"docker" "inspect" "3baf4bf8436f57a982a63a7aa129d255391de5509aab7f32e31a665d4042e75b"` [INFO] running `"docker" "rm" "-f" "3baf4bf8436f57a982a63a7aa129d255391de5509aab7f32e31a665d4042e75b"` [INFO] [stdout] 3baf4bf8436f57a982a63a7aa129d255391de5509aab7f32e31a665d4042e75b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkobzik/chip-8-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] d3210502ee2c993b8070649cd6af893ce3bd578acc45a18f6912dbe7955f292c [INFO] running `"docker" "start" "-a" "d3210502ee2c993b8070649cd6af893ce3bd578acc45a18f6912dbe7955f292c"` [INFO] [stderr] Compiling chip-8-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/chip8.rs:118:33 [INFO] [stderr] | [INFO] [stderr] 118 | pub fn add_vx_nn(&mut self, x: u8, nn: u8) { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/keyboard.rs:1:23 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn is_key_pressed(x: u8) -> bool { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let mut vx = &mut self.registers[0]; [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: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:235:13 [INFO] [stderr] | [INFO] [stderr] 235 | let mut chip = Chip8::init(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:255:17 [INFO] [stderr] | [INFO] [stderr] 255 | let mut chip = Chip8::init(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:263:17 [INFO] [stderr] | [INFO] [stderr] 263 | let mut chip = Chip8::init(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:274:17 [INFO] [stderr] | [INFO] [stderr] 274 | let mut chip = Chip8::init(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:282:17 [INFO] [stderr] | [INFO] [stderr] 282 | let mut chip = Chip8::init(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:293:17 [INFO] [stderr] | [INFO] [stderr] 293 | let mut chip = Chip8::init(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:313:17 [INFO] [stderr] | [INFO] [stderr] 313 | let mut chip = Chip8::init(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/chip8.rs:351:13 [INFO] [stderr] | [INFO] [stderr] 351 | let mut chip = Chip8::init(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `cls` [INFO] [stderr] --> src/chip8.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn cls() { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `rnd_vx_nn` [INFO] [stderr] --> src/chip8.rs:157:5 [INFO] [stderr] | [INFO] [stderr] 157 | pub fn rnd_vx_nn(&mut self, x: u8, nn: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `skp_vx` [INFO] [stderr] --> src/chip8.rs:172:5 [INFO] [stderr] | [INFO] [stderr] 172 | pub fn skp_vx(&self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `sknp_vx` [INFO] [stderr] --> src/chip8.rs:178:5 [INFO] [stderr] | [INFO] [stderr] 178 | pub fn sknp_vx(&self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `ld_vx_k` [INFO] [stderr] --> src/chip8.rs:184:5 [INFO] [stderr] | [INFO] [stderr] 184 | pub fn ld_vx_k(&mut self, x: u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_key_pressed` [INFO] [stderr] --> src/keyboard.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn is_key_pressed(x: u8) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `wait_for_key_press` [INFO] [stderr] --> src/keyboard.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn wait_for_key_press() -> u8 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `clear` [INFO] [stderr] --> src/display.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn clear() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `"docker" "inspect" "d3210502ee2c993b8070649cd6af893ce3bd578acc45a18f6912dbe7955f292c"` [INFO] running `"docker" "rm" "-f" "d3210502ee2c993b8070649cd6af893ce3bd578acc45a18f6912dbe7955f292c"` [INFO] [stdout] d3210502ee2c993b8070649cd6af893ce3bd578acc45a18f6912dbe7955f292c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mkobzik/chip-8-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] a5437b756704e9b6ca2d0a0057f597f44dcec786d8337e1f33c7b75b850f59bb [INFO] running `"docker" "start" "-a" "a5437b756704e9b6ca2d0a0057f597f44dcec786d8337e1f33c7b75b850f59bb"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/chip_8_rust-ff0456b5abbd8115 [INFO] [stdout] [INFO] [stdout] running 31 tests [INFO] [stdout] test chip8::test::add_i_vx_test ... ok [INFO] [stdout] test chip8::test::add_vx_nn_test ... ok [INFO] [stdout] test chip8::test::add_vx_vy_test ... ok [INFO] [stdout] test chip8::test::and_vx_vy_test ... ok [INFO] [stdout] test chip8::test::call_nnn_test ... ok [INFO] [stdout] test chip8::test::ld_i_vx_test ... ok [INFO] [stdout] test chip8::test::ld_i_nnn_test ... ok [INFO] [stdout] test chip8::test::ld_dt_vx_test ... ok [INFO] [stdout] test chip8::test::jp_nnn_test ... ok [INFO] [stdout] test chip8::test::ld_vx_i_test ... ok [INFO] [stdout] test chip8::test::ld_vx_k_test ... ok [INFO] [stdout] test chip8::test::cls_test ... ok [INFO] [stdout] test chip8::test::jp_v0_nnn_test ... ok [INFO] [stdout] test chip8::test::ld_vx_vy_test ... ok [INFO] [stdout] test chip8::test::ld_vx_nn_test ... ok [INFO] [stdout] test chip8::test::ret_test ... ok [INFO] [stdout] test chip8::test::rnd_vx_nn_test ... ok [INFO] [stdout] test chip8::test::se_vx_nn_test ... ok [INFO] [stdout] test chip8::test::se_vx_vy_test ... ok [INFO] [stdout] test chip8::test::sknp_vx_test ... ok [INFO] [stdout] test chip8::test::shr_vx_test ... ok [INFO] [stdout] test chip8::test::shl_vx_test ... ok [INFO] [stdout] test chip8::test::sub_vx_vy_test ... ok [INFO] [stdout] test chip8::test::subn_vx_vy_test ... ok [INFO] [stdout] test chip8::test::skp_vx_test ... ok [INFO] [stdout] test chip8::test::xor_vx_vy_test ... ok [INFO] [stdout] test chip8::test::sne_vx_nn_test ... ok [INFO] [stdout] test chip8::test::sne_vx_vy_test ... ok [INFO] [stdout] test chip8::test::ld_st_vx_test ... ok [INFO] [stdout] test chip8::test::ld_vx_dt_test ... ok [INFO] [stdout] test chip8::test::or_vx_vy_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "a5437b756704e9b6ca2d0a0057f597f44dcec786d8337e1f33c7b75b850f59bb"` [INFO] running `"docker" "rm" "-f" "a5437b756704e9b6ca2d0a0057f597f44dcec786d8337e1f33c7b75b850f59bb"` [INFO] [stdout] a5437b756704e9b6ca2d0a0057f597f44dcec786d8337e1f33c7b75b850f59bb