[INFO] cloning repository https://github.com/ilsasdo/chirp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ilsasdo/chirp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filsasdo%2Fchirp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filsasdo%2Fchirp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4386b1e755af41e9441926b5eb2e890151d5b95
[INFO] checking ilsasdo/chirp against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filsasdo%2Fchirp" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ilsasdo/chirp 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/ilsasdo/chirp
[INFO] finished tweaking git repo https://github.com/ilsasdo/chirp
[INFO] tweaked toml for git repo https://github.com/ilsasdo/chirp written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ilsasdo/chirp 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 simple_logger v4.0.0
[INFO] [stderr]   Downloaded serde v1.0.154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 03296d4f305f98d2ad42c231096c0ca3e3ab0fb373ae433f5d524c79c6cf786f
[INFO] running `Command { std: "docker" "start" "-a" "03296d4f305f98d2ad42c231096c0ca3e3ab0fb373ae433f5d524c79c6cf786f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03296d4f305f98d2ad42c231096c0ca3e3ab0fb373ae433f5d524c79c6cf786f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03296d4f305f98d2ad42c231096c0ca3e3ab0fb373ae433f5d524c79c6cf786f", kill_on_drop: false }`
[INFO] [stdout] 03296d4f305f98d2ad42c231096c0ca3e3ab0fb373ae433f5d524c79c6cf786f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8d326b95ceff029ca6f14404cedfef03ddae7f502573348995101f34157053e5
[INFO] running `Command { std: "docker" "start" "-a" "8d326b95ceff029ca6f14404cedfef03ddae7f502573348995101f34157053e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling chrip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking simple_logger v4.0.0
[INFO] [stdout] warning: unused import: `simple_logger::SimpleLogger`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use simple_logger::SimpleLogger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:287:39
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 row[i] = self.display[(x + i)][y];
[INFO] [stdout]     |                                       ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 287 -                 row[i] = self.display[(x + i)][y];
[INFO] [stdout] 287 +                 row[i] = self.display[x + i][y];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:299:30
[INFO] [stdout]     |
[INFO] [stdout] 299 |                 self.display[(x + bit)][y] = bits[bit];
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 299 -                 self.display[(x + bit)][y] = bits[bit];
[INFO] [stdout] 299 +                 self.display[x + bit][y] = bits[bit];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/sdl.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout]    |                                               ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout] 28 +             let pixel = display[(x as usize)][y as usize];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/sdl.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout]    |                                 ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout] 28 +             let pixel = display[x as usize][(y as usize)];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `simple_logger::SimpleLogger`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use simple_logger::SimpleLogger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:287:39
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 row[i] = self.display[(x + i)][y];
[INFO] [stdout]     |                                       ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 287 -                 row[i] = self.display[(x + i)][y];
[INFO] [stdout] 287 +                 row[i] = self.display[x + i][y];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:299:30
[INFO] [stdout]     |
[INFO] [stdout] 299 |                 self.display[(x + bit)][y] = bits[bit];
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 299 -                 self.display[(x + bit)][y] = bits[bit];
[INFO] [stdout] 299 +                 self.display[x + bit][y] = bits[bit];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/sdl.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout]    |                                               ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout] 28 +             let pixel = display[(x as usize)][y as usize];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/sdl.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout]    |                                 ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout] 28 +             let pixel = display[x as usize][(y as usize)];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_rx`
[INFO] [stdout]   --> src/sdl.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (input_tx, input_rx): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/basic.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn is_key_pressed(&self, key: u8) -> bool {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_tx`
[INFO] [stdout]   --> src/main.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let (sdl_input, input_tx) = SdlInput::new();
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `first_byte` and `second_byte` are never read
[INFO] [stdout]  --> src/cpu/instruction.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct Instruction {
[INFO] [stdout]   |                   ----------- fields in this struct
[INFO] [stdout] 4 |     first_byte: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     second_byte: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/cpu/instruction.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Instruction {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_rx`
[INFO] [stdout]   --> src/sdl.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (input_tx, input_rx): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/basic.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn is_key_pressed(&self, key: u8) -> bool {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_tx`
[INFO] [stdout]   --> src/main.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let (sdl_input, input_tx) = SdlInput::new();
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `first_byte` and `second_byte` are never read
[INFO] [stdout]  --> src/cpu/instruction.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct Instruction {
[INFO] [stdout]   |                   ----------- fields in this struct
[INFO] [stdout] 4 |     first_byte: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     second_byte: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/cpu/instruction.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Instruction {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "8d326b95ceff029ca6f14404cedfef03ddae7f502573348995101f34157053e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d326b95ceff029ca6f14404cedfef03ddae7f502573348995101f34157053e5", kill_on_drop: false }`
[INFO] [stdout] 8d326b95ceff029ca6f14404cedfef03ddae7f502573348995101f34157053e5
[INFO] checking ilsasdo/chirp against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filsasdo%2Fchirp" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ilsasdo/chirp 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/ilsasdo/chirp
[INFO] finished tweaking git repo https://github.com/ilsasdo/chirp
[INFO] tweaked toml for git repo https://github.com/ilsasdo/chirp written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ilsasdo/chirp 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b7c049d8a16a02184c853c226cbc49c40ac9a62f6cb699343be7e407f990c1ff
[INFO] running `Command { std: "docker" "start" "-a" "b7c049d8a16a02184c853c226cbc49c40ac9a62f6cb699343be7e407f990c1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7c049d8a16a02184c853c226cbc49c40ac9a62f6cb699343be7e407f990c1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c049d8a16a02184c853c226cbc49c40ac9a62f6cb699343be7e407f990c1ff", kill_on_drop: false }`
[INFO] [stdout] b7c049d8a16a02184c853c226cbc49c40ac9a62f6cb699343be7e407f990c1ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6f19127e49d82590b48e8a5239da3d195988c26ebee7758afabf71520b47a5d3
[INFO] running `Command { std: "docker" "start" "-a" "6f19127e49d82590b48e8a5239da3d195988c26ebee7758afabf71520b47a5d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling chrip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking simple_logger v4.0.0
[INFO] [stdout] warning: unused import: `simple_logger::SimpleLogger`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use simple_logger::SimpleLogger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `simple_logger::SimpleLogger`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use simple_logger::SimpleLogger;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:287:39
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 row[i] = self.display[(x + i)][y];
[INFO] [stdout]     |                                       ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 287 -                 row[i] = self.display[(x + i)][y];
[INFO] [stdout] 287 +                 row[i] = self.display[x + i][y];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:299:30
[INFO] [stdout]     |
[INFO] [stdout] 299 |                 self.display[(x + bit)][y] = bits[bit];
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 299 -                 self.display[(x + bit)][y] = bits[bit];
[INFO] [stdout] 299 +                 self.display[x + bit][y] = bits[bit];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/sdl.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout]    |                                               ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout] 28 +             let pixel = display[(x as usize)][y as usize];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/sdl.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout]    |                                 ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout] 28 +             let pixel = display[x as usize][(y as usize)];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:287:39
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 row[i] = self.display[(x + i)][y];
[INFO] [stdout]     |                                       ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 287 -                 row[i] = self.display[(x + i)][y];
[INFO] [stdout] 287 +                 row[i] = self.display[x + i][y];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:299:30
[INFO] [stdout]     |
[INFO] [stdout] 299 |                 self.display[(x + bit)][y] = bits[bit];
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 299 -                 self.display[(x + bit)][y] = bits[bit];
[INFO] [stdout] 299 +                 self.display[x + bit][y] = bits[bit];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/sdl.rs:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout]    |                                               ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout] 28 +             let pixel = display[(x as usize)][y as usize];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/sdl.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout]    |                                 ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 28 -             let pixel = display[(x as usize)][(y as usize)];
[INFO] [stdout] 28 +             let pixel = display[x as usize][(y as usize)];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_rx`
[INFO] [stdout]   --> src/sdl.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (input_tx, input_rx): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/basic.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn is_key_pressed(&self, key: u8) -> bool {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_tx`
[INFO] [stdout]   --> src/main.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let (sdl_input, input_tx) = SdlInput::new();
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `first_byte` and `second_byte` are never read
[INFO] [stdout]  --> src/cpu/instruction.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct Instruction {
[INFO] [stdout]   |                   ----------- fields in this struct
[INFO] [stdout] 4 |     first_byte: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     second_byte: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/cpu/instruction.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Instruction {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_rx`
[INFO] [stdout]   --> src/sdl.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (input_tx, input_rx): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_rx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/basic.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn is_key_pressed(&self, key: u8) -> bool {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_tx`
[INFO] [stdout]   --> src/main.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let (sdl_input, input_tx) = SdlInput::new();
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `first_byte` and `second_byte` are never read
[INFO] [stdout]  --> src/cpu/instruction.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct Instruction {
[INFO] [stdout]   |                   ----------- fields in this struct
[INFO] [stdout] 4 |     first_byte: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     second_byte: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/cpu/instruction.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Instruction {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "6f19127e49d82590b48e8a5239da3d195988c26ebee7758afabf71520b47a5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f19127e49d82590b48e8a5239da3d195988c26ebee7758afabf71520b47a5d3", kill_on_drop: false }`
[INFO] [stdout] 6f19127e49d82590b48e8a5239da3d195988c26ebee7758afabf71520b47a5d3