[INFO] updating cached repository https://github.com/MichaelGoodale/Rusted-Chip-8 [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] 584696b49a791cafeb11aa6c5de1c2ce36cd2671 [INFO] checking MichaelGoodale/Rusted-Chip-8 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelGoodale%2FRusted-Chip-8" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MichaelGoodale/Rusted-Chip-8 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/MichaelGoodale/Rusted-Chip-8 [INFO] finished tweaking git repo https://github.com/MichaelGoodale/Rusted-Chip-8 [INFO] tweaked toml for git repo https://github.com/MichaelGoodale/Rusted-Chip-8 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/MichaelGoodale/Rusted-Chip-8 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=forbid" "-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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1e540e5978edbb914d0eb17056376d62ea07a1d71bfc1521227be225ed66ba7f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "1e540e5978edbb914d0eb17056376d62ea07a1d71bfc1521227be225ed66ba7f"` [INFO] [stderr] Compiling sdl2-sys v0.27.2 [INFO] [stderr] Checking libc v0.2.20 [INFO] [stderr] Checking lazy_static v0.2.2 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking sdl2 v0.29.0 [INFO] [stderr] Checking chip8_emu v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::env::current_dir` [INFO] [stderr] --> src/cpu.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::env::current_dir; [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/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | if(c.do_cycle()) { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env::current_dir` [INFO] [stderr] --> src/cpu.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::env::current_dir; [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/main.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | if(c.do_cycle()) { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/cpu.rs:56:16 [INFO] [stderr] | [INFO] [stderr] 56 | why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/cpu.rs:56:16 [INFO] [stderr] | [INFO] [stderr] 56 | why.description()), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:117:6 [INFO] [stderr] | [INFO] [stderr] 117 | let mut events = ctx.event_pump().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/cpu.rs:54:7 [INFO] [stderr] | [INFO] [stderr] 54 | let mut file = match File::open(&path) { [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/main.rs:117:6 [INFO] [stderr] | [INFO] [stderr] 117 | let mut events = ctx.event_pump().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/cpu.rs:54:7 [INFO] [stderr] | [INFO] [stderr] 54 | let mut file = match File::open(&path) { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `do_opcode` [INFO] [stderr] --> src/cpu.rs:325:2 [INFO] [stderr] | [INFO] [stderr] 325 | pub fn do_opcode(&mut self, opcode: u16) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:90:7 [INFO] [stderr] | [INFO] [stderr] 90 | r.draw_point(Point::new(i as i32, j as i32)); [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/main.rs:113:2 [INFO] [stderr] | [INFO] [stderr] 113 | renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `Vx` should have a snake case name [INFO] [stderr] --> src/cpu.rs:225:10 [INFO] [stderr] | [INFO] [stderr] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stderr] | ^^ help: convert the identifier to snake case (notice the capitalization): `vx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `Vy` should have a snake case name [INFO] [stderr] --> src/cpu.rs:225:14 [INFO] [stderr] | [INFO] [stderr] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stderr] | ^^ help: convert the identifier to snake case (notice the capitalization): `vy` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `do_opcode` [INFO] [stderr] --> src/cpu.rs:325:2 [INFO] [stderr] | [INFO] [stderr] 325 | pub fn do_opcode(&mut self, opcode: u16) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:90:7 [INFO] [stderr] | [INFO] [stderr] 90 | r.draw_point(Point::new(i as i32, j as i32)); [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/main.rs:113:2 [INFO] [stderr] | [INFO] [stderr] 113 | renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable `Vx` should have a snake case name [INFO] [stderr] --> src/cpu.rs:225:10 [INFO] [stderr] | [INFO] [stderr] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stderr] | ^^ help: convert the identifier to snake case (notice the capitalization): `vx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `Vy` should have a snake case name [INFO] [stderr] --> src/cpu.rs:225:14 [INFO] [stderr] | [INFO] [stderr] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stderr] | ^^ help: convert the identifier to snake case (notice the capitalization): `vy` [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.93s [INFO] running `"docker" "inspect" "1e540e5978edbb914d0eb17056376d62ea07a1d71bfc1521227be225ed66ba7f"` [INFO] running `"docker" "rm" "-f" "1e540e5978edbb914d0eb17056376d62ea07a1d71bfc1521227be225ed66ba7f"` [INFO] [stdout] 1e540e5978edbb914d0eb17056376d62ea07a1d71bfc1521227be225ed66ba7f