[INFO] updating cached repository https://github.com/gaelroue/chip8 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] fb66e9095567aaeff96cbb617193f6d49bee6208 [INFO] testing gaelroue/chip8 against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaelroue%2Fchip8" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gaelroue/chip8 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/gaelroue/chip8 [INFO] finished tweaking git repo https://github.com/gaelroue/chip8 [INFO] tweaked toml for git repo https://github.com/gaelroue/chip8 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/gaelroue/chip8 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bca5f74ea8b14037eea9f87bb3c5a9aeb7c589ae0ce457ad6448b2b3b22de9ef [INFO] running `"docker" "start" "-a" "bca5f74ea8b14037eea9f87bb3c5a9aeb7c589ae0ce457ad6448b2b3b22de9ef"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling sdl2-sys v0.24.0 [INFO] [stderr] Compiling bitflags v0.6.0 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling sdl2 v0.24.0 [INFO] [stderr] Compiling chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `screen::DIMPIXEL` [INFO] [stderr] --> src/chip8.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use screen::DIMPIXEL; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/chip8.rs:44:20 [INFO] [stderr] | [INFO] [stderr] 44 | if ((coding & (0x1 << shift)) != 0) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/chip8.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | if (self.screen.buffer[x as usize + y as usize * WIDTH] == WHITE as u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: value assigned to `opcode` is never read [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut opcode: u16 = 0; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | for i in 0..CPU_SPEED { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/chip8.rs:29:14 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `y` is never read [INFO] [stderr] --> src/chip8.rs:29:21 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `coding` is never read [INFO] [stderr] --> src/chip8.rs:29:28 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/chip8.rs:29:40 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `shift` is never read [INFO] [stderr] --> src/chip8.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut shift: i8 = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut file = File::open(file_path).unwrap(); [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:29:40 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/screen.rs:43:21 [INFO] [stderr] | [INFO] [stderr] 43 | / self.renderer.fill_rect( [INFO] [stderr] 44 | | Rect::new(w as i32, h as i32, DIMPIXEL as u32, DIMPIXEL as u32) [INFO] [stderr] 45 | | ); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/screen.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | / self.renderer.fill_rect( [INFO] [stderr] 49 | | Rect::new(w as i32, h as i32, DIMPIXEL as u32, DIMPIXEL as u32) [INFO] [stderr] 50 | | ); [INFO] [stderr] | |______________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.76s [INFO] running `"docker" "inspect" "bca5f74ea8b14037eea9f87bb3c5a9aeb7c589ae0ce457ad6448b2b3b22de9ef"` [INFO] running `"docker" "rm" "-f" "bca5f74ea8b14037eea9f87bb3c5a9aeb7c589ae0ce457ad6448b2b3b22de9ef"` [INFO] [stdout] bca5f74ea8b14037eea9f87bb3c5a9aeb7c589ae0ce457ad6448b2b3b22de9ef [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 698106959abbffbf9d2922d99a325cb91cd53fd6d48b2fab2f85d20218e43a5a [INFO] running `"docker" "start" "-a" "698106959abbffbf9d2922d99a325cb91cd53fd6d48b2fab2f85d20218e43a5a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling chip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `screen::DIMPIXEL` [INFO] [stderr] --> src/chip8.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use screen::DIMPIXEL; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/chip8.rs:44:20 [INFO] [stderr] | [INFO] [stderr] 44 | if ((coding & (0x1 << shift)) != 0) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/chip8.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | if (self.screen.buffer[x as usize + y as usize * WIDTH] == WHITE as u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: value assigned to `opcode` is never read [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut opcode: u16 = 0; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | for i in 0..CPU_SPEED { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/chip8.rs:29:14 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `y` is never read [INFO] [stderr] --> src/chip8.rs:29:21 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `coding` is never read [INFO] [stderr] --> src/chip8.rs:29:28 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/chip8.rs:29:40 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `shift` is never read [INFO] [stderr] --> src/chip8.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut shift: i8 = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut file = File::open(file_path).unwrap(); [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:29:40 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/screen.rs:43:21 [INFO] [stderr] | [INFO] [stderr] 43 | / self.renderer.fill_rect( [INFO] [stderr] 44 | | Rect::new(w as i32, h as i32, DIMPIXEL as u32, DIMPIXEL as u32) [INFO] [stderr] 45 | | ); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/screen.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | / self.renderer.fill_rect( [INFO] [stderr] 49 | | Rect::new(w as i32, h as i32, DIMPIXEL as u32, DIMPIXEL as u32) [INFO] [stderr] 50 | | ); [INFO] [stderr] | |______________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `"docker" "inspect" "698106959abbffbf9d2922d99a325cb91cd53fd6d48b2fab2f85d20218e43a5a"` [INFO] running `"docker" "rm" "-f" "698106959abbffbf9d2922d99a325cb91cd53fd6d48b2fab2f85d20218e43a5a"` [INFO] [stdout] 698106959abbffbf9d2922d99a325cb91cd53fd6d48b2fab2f85d20218e43a5a [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1335d32606266b49a05861a66836cc411f2b21c07dd0620172db5b4e01bcc46f [INFO] running `"docker" "start" "-a" "1335d32606266b49a05861a66836cc411f2b21c07dd0620172db5b4e01bcc46f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `screen::DIMPIXEL` [INFO] [stderr] --> src/chip8.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use screen::DIMPIXEL; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/chip8.rs:44:20 [INFO] [stderr] | [INFO] [stderr] 44 | if ((coding & (0x1 << shift)) != 0) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/chip8.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | if (self.screen.buffer[x as usize + y as usize * WIDTH] == WHITE as u8) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: value assigned to `opcode` is never read [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut opcode: u16 = 0; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | for i in 0..CPU_SPEED { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/chip8.rs:29:14 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `y` is never read [INFO] [stderr] --> src/chip8.rs:29:21 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `coding` is never read [INFO] [stderr] --> src/chip8.rs:29:28 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/chip8.rs:29:40 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `shift` is never read [INFO] [stderr] --> src/chip8.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let mut shift: i8 = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut file = File::open(file_path).unwrap(); [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:29:40 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut x, mut y, mut coding, mut j): (u8, u8, u8, u8) = (0, 0, 0, 0); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/screen.rs:43:21 [INFO] [stderr] | [INFO] [stderr] 43 | / self.renderer.fill_rect( [INFO] [stderr] 44 | | Rect::new(w as i32, h as i32, DIMPIXEL as u32, DIMPIXEL as u32) [INFO] [stderr] 45 | | ); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/screen.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | / self.renderer.fill_rect( [INFO] [stderr] 49 | | Rect::new(w as i32, h as i32, DIMPIXEL as u32, DIMPIXEL as u32) [INFO] [stderr] 50 | | ); [INFO] [stderr] | |______________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/chip8-df4e3c1d22c39d7c [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "1335d32606266b49a05861a66836cc411f2b21c07dd0620172db5b4e01bcc46f"` [INFO] running `"docker" "rm" "-f" "1335d32606266b49a05861a66836cc411f2b21c07dd0620172db5b4e01bcc46f"` [INFO] [stdout] 1335d32606266b49a05861a66836cc411f2b21c07dd0620172db5b4e01bcc46f