[INFO] cloning repository https://github.com/MichaelGoodale/Rusted-Chip-8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MichaelGoodale/Rusted-Chip-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelGoodale%2FRusted-Chip-8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelGoodale%2FRusted-Chip-8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 584696b49a791cafeb11aa6c5de1c2ce36cd2671 [INFO] checking MichaelGoodale/Rusted-Chip-8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelGoodale%2FRusted-Chip-8" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MichaelGoodale/Rusted-Chip-8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc1/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 `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand v0.3.15 [INFO] [stderr] Downloaded num-iter v0.1.33 [INFO] [stderr] Downloaded lazy_static v0.2.2 [INFO] [stderr] Downloaded num-integer v0.1.33 [INFO] [stderr] Downloaded sdl2-sys v0.27.2 [INFO] [stderr] Downloaded num-traits v0.1.37 [INFO] [stderr] Downloaded num v0.1.37 [INFO] [stderr] Downloaded libc v0.2.20 [INFO] [stderr] Downloaded sdl2 v0.29.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28767d955613e4e1e81441783bd384f86d627e2dd951c5fade906306a45392dd [INFO] running `Command { std: "docker" "start" "-a" "28767d955613e4e1e81441783bd384f86d627e2dd951c5fade906306a45392dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28767d955613e4e1e81441783bd384f86d627e2dd951c5fade906306a45392dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28767d955613e4e1e81441783bd384f86d627e2dd951c5fade906306a45392dd", kill_on_drop: false }` [INFO] [stdout] 28767d955613e4e1e81441783bd384f86d627e2dd951c5fade906306a45392dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8afd189ad05829fef2664a45247d31fdbba5a9f9911befbe0acb2e34525bf46a [INFO] running `Command { std: "docker" "start" "-a" "8afd189ad05829fef2664a45247d31fdbba5a9f9911befbe0acb2e34525bf46a", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.1.37 [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 bitflags v0.7.0 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking num-integer v0.1.33 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] Checking num v0.1.37 [INFO] [stderr] Checking sdl2 v0.29.0 [INFO] [stderr] Checking chip8_emu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env::current_dir` [INFO] [stdout] --> src/cpu.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::env::current_dir; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | if(c.do_cycle()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 52 - if(c.do_cycle()) { [INFO] [stdout] 52 + if c.do_cycle() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::current_dir` [INFO] [stdout] --> src/cpu.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::env::current_dir; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | if(c.do_cycle()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 52 - if(c.do_cycle()) { [INFO] [stdout] 52 + if c.do_cycle() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/cpu.rs:56:16 [INFO] [stdout] | [INFO] [stdout] 56 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/cpu.rs:56:16 [INFO] [stdout] | [INFO] [stdout] 56 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:54:7 [INFO] [stdout] | [INFO] [stdout] 54 | let mut file = match File::open(&path) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:54:7 [INFO] [stdout] | [INFO] [stdout] 54 | let mut file = match File::open(&path) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:117:6 [INFO] [stdout] | [INFO] [stdout] 117 | let mut events = ctx.event_pump().unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `do_opcode` is never used [INFO] [stdout] --> src/cpu.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 26 | impl Cpu { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 325 | pub fn do_opcode(&mut self, opcode: u16) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:7 [INFO] [stdout] | [INFO] [stdout] 90 | r.draw_point(Point::new(i as i32, j as i32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 90 | let _ = r.draw_point(Point::new(i as i32, j as i32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:113:2 [INFO] [stdout] | [INFO] [stdout] 113 | renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 113 | let _ = renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Vx` should have a snake case name [INFO] [stdout] --> src/cpu.rs:225:10 [INFO] [stdout] | [INFO] [stdout] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `vx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Vy` should have a snake case name [INFO] [stdout] --> src/cpu.rs:225:14 [INFO] [stdout] | [INFO] [stdout] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `vy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:117:6 [INFO] [stdout] | [INFO] [stdout] 117 | let mut events = ctx.event_pump().unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `do_opcode` is never used [INFO] [stdout] --> src/cpu.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 26 | impl Cpu { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 325 | pub fn do_opcode(&mut self, opcode: u16) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:7 [INFO] [stdout] | [INFO] [stdout] 90 | r.draw_point(Point::new(i as i32, j as i32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 90 | let _ = r.draw_point(Point::new(i as i32, j as i32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:113:2 [INFO] [stdout] | [INFO] [stdout] 113 | renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 113 | let _ = renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Vx` should have a snake case name [INFO] [stdout] --> src/cpu.rs:225:10 [INFO] [stdout] | [INFO] [stdout] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `vx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Vy` should have a snake case name [INFO] [stdout] --> src/cpu.rs:225:14 [INFO] [stdout] | [INFO] [stdout] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `vy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.14s [INFO] running `Command { std: "docker" "inspect" "8afd189ad05829fef2664a45247d31fdbba5a9f9911befbe0acb2e34525bf46a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8afd189ad05829fef2664a45247d31fdbba5a9f9911befbe0acb2e34525bf46a", kill_on_drop: false }` [INFO] [stdout] 8afd189ad05829fef2664a45247d31fdbba5a9f9911befbe0acb2e34525bf46a [INFO] checking MichaelGoodale/Rusted-Chip-8 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelGoodale%2FRusted-Chip-8" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MichaelGoodale/Rusted-Chip-8 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc2/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 `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 222a100166ffbd4575615a3e68d7bf4336f61207b279c0dc0397738f54e57dee [INFO] running `Command { std: "docker" "start" "-a" "222a100166ffbd4575615a3e68d7bf4336f61207b279c0dc0397738f54e57dee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "222a100166ffbd4575615a3e68d7bf4336f61207b279c0dc0397738f54e57dee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "222a100166ffbd4575615a3e68d7bf4336f61207b279c0dc0397738f54e57dee", kill_on_drop: false }` [INFO] [stdout] 222a100166ffbd4575615a3e68d7bf4336f61207b279c0dc0397738f54e57dee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 990eee49307cf6a34186e8d8cd2bd007499dbe53b9be512d7ad1591138fcd0e1 [INFO] running `Command { std: "docker" "start" "-a" "990eee49307cf6a34186e8d8cd2bd007499dbe53b9be512d7ad1591138fcd0e1", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Checking libc v0.2.20 [INFO] [stderr] Compiling sdl2-sys v0.27.2 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking lazy_static v0.2.2 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking num-integer v0.1.33 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] Checking num v0.1.37 [INFO] [stderr] Checking sdl2 v0.29.0 [INFO] [stderr] Checking chip8_emu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env::current_dir` [INFO] [stdout] --> src/cpu.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::env::current_dir; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | if(c.do_cycle()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 52 - if(c.do_cycle()) { [INFO] [stdout] 52 + if c.do_cycle() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env::current_dir` [INFO] [stdout] --> src/cpu.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::env::current_dir; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/cpu.rs:56:16 [INFO] [stdout] | [INFO] [stdout] 56 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | if(c.do_cycle()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 52 - if(c.do_cycle()) { [INFO] [stdout] 52 + if c.do_cycle() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/cpu.rs:56:16 [INFO] [stdout] | [INFO] [stdout] 56 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:54:7 [INFO] [stdout] | [INFO] [stdout] 54 | let mut file = match File::open(&path) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cpu.rs:54:7 [INFO] [stdout] | [INFO] [stdout] 54 | let mut file = match File::open(&path) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:117:6 [INFO] [stdout] | [INFO] [stdout] 117 | let mut events = ctx.event_pump().unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `do_opcode` is never used [INFO] [stdout] --> src/cpu.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 26 | impl Cpu { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 325 | pub fn do_opcode(&mut self, opcode: u16) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:7 [INFO] [stdout] | [INFO] [stdout] 90 | r.draw_point(Point::new(i as i32, j as i32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 90 | let _ = r.draw_point(Point::new(i as i32, j as i32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:113:2 [INFO] [stdout] | [INFO] [stdout] 113 | renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 113 | let _ = renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Vx` should have a snake case name [INFO] [stdout] --> src/cpu.rs:225:10 [INFO] [stdout] | [INFO] [stdout] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `vx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Vy` should have a snake case name [INFO] [stdout] --> src/cpu.rs:225:14 [INFO] [stdout] | [INFO] [stdout] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `vy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:117:6 [INFO] [stdout] | [INFO] [stdout] 117 | let mut events = ctx.event_pump().unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `do_opcode` is never used [INFO] [stdout] --> src/cpu.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 26 | impl Cpu { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 325 | pub fn do_opcode(&mut self, opcode: u16) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:7 [INFO] [stdout] | [INFO] [stdout] 90 | r.draw_point(Point::new(i as i32, j as i32)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 90 | let _ = r.draw_point(Point::new(i as i32, j as i32)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:113:2 [INFO] [stdout] | [INFO] [stdout] 113 | renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 113 | let _ = renderer.set_scale(WINDOW_SCALE as f32, WINDOW_SCALE as f32); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Vx` should have a snake case name [INFO] [stdout] --> src/cpu.rs:225:10 [INFO] [stdout] | [INFO] [stdout] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `vx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Vy` should have a snake case name [INFO] [stdout] --> src/cpu.rs:225:14 [INFO] [stdout] | [INFO] [stdout] 225 | let (Vx, Vy) = (self.v[x as usize] as usize, self.v[y as usize] as usize); [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `vy` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s [INFO] running `Command { std: "docker" "inspect" "990eee49307cf6a34186e8d8cd2bd007499dbe53b9be512d7ad1591138fcd0e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "990eee49307cf6a34186e8d8cd2bd007499dbe53b9be512d7ad1591138fcd0e1", kill_on_drop: false }` [INFO] [stdout] 990eee49307cf6a34186e8d8cd2bd007499dbe53b9be512d7ad1591138fcd0e1