[INFO] updating cached repository MichaelGoodale/Rusted-Chip-8 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/MichaelGoodale/Rusted-Chip-8 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/MichaelGoodale/Rusted-Chip-8" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/MichaelGoodale/Rusted-Chip-8"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/MichaelGoodale/Rusted-Chip-8'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/MichaelGoodale/Rusted-Chip-8" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/MichaelGoodale/Rusted-Chip-8"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/MichaelGoodale/Rusted-Chip-8'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 584696b49a791cafeb11aa6c5de1c2ce36cd2671 [INFO] sha for GitHub repo MichaelGoodale/Rusted-Chip-8: 584696b49a791cafeb11aa6c5de1c2ce36cd2671 [INFO] validating manifest of MichaelGoodale/Rusted-Chip-8 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of MichaelGoodale/Rusted-Chip-8 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing MichaelGoodale/Rusted-Chip-8 [INFO] finished frobbing MichaelGoodale/Rusted-Chip-8 [INFO] frobbed toml for MichaelGoodale/Rusted-Chip-8 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/MichaelGoodale/Rusted-Chip-8/Cargo.toml [INFO] started frobbing MichaelGoodale/Rusted-Chip-8 [INFO] finished frobbing MichaelGoodale/Rusted-Chip-8 [INFO] frobbed toml for MichaelGoodale/Rusted-Chip-8 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/MichaelGoodale/Rusted-Chip-8/Cargo.toml [INFO] crate MichaelGoodale/Rusted-Chip-8 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "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" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking MichaelGoodale/Rusted-Chip-8 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-7/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/MichaelGoodale/Rusted-Chip-8:/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=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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 39486d95b4eb38d029003f94d81714c418bfdcccae892928e9a9b5eff04d3fcb [INFO] running `"docker" "start" "-a" "39486d95b4eb38d029003f94d81714c418bfdcccae892928e9a9b5eff04d3fcb"` [INFO] [stderr] Checking chip8_emu v0.1.0 (/opt/crater/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: 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] 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] | [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/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: `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: `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: `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: `vy` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.68s [INFO] running `"docker" "inspect" "39486d95b4eb38d029003f94d81714c418bfdcccae892928e9a9b5eff04d3fcb"` [INFO] running `"docker" "rm" "-f" "39486d95b4eb38d029003f94d81714c418bfdcccae892928e9a9b5eff04d3fcb"` [INFO] [stdout] 39486d95b4eb38d029003f94d81714c418bfdcccae892928e9a9b5eff04d3fcb