[INFO] cloning repository https://github.com/05st/chip8-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/05st/chip8-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F05st%2Fchip8-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F05st%2Fchip8-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 561e982f9125df269c371622f94ebb245813347d
[INFO] checking 05st/chip8-emulator against try#f27166d4c64dc29edc5ea3214357f191edf8b635 for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F05st%2Fchip8-emulator" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/05st/chip8-emulator
[INFO] finished tweaking git repo https://github.com/05st/chip8-emulator
[INFO] tweaked toml for git repo https://github.com/05st/chip8-emulator written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/05st/chip8-emulator on toolchain f27166d4c64dc29edc5ea3214357f191edf8b635
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/05st/chip8-emulator 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" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 669241790e33305d1b9b362001a30abb97f423d21973fdef47786da48bdb86c4
[INFO] running `Command { std: "docker" "start" "-a" "669241790e33305d1b9b362001a30abb97f423d21973fdef47786da48bdb86c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "669241790e33305d1b9b362001a30abb97f423d21973fdef47786da48bdb86c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669241790e33305d1b9b362001a30abb97f423d21973fdef47786da48bdb86c4", kill_on_drop: false }`
[INFO] [stdout] 669241790e33305d1b9b362001a30abb97f423d21973fdef47786da48bdb86c4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c08c0de09e1b471ab8a235bd88394105bd1e9ae89767c65d3a5d497f777dcef
[INFO] running `Command { std: "docker" "start" "-a" "9c08c0de09e1b471ab8a235bd88394105bd1e9ae89767c65d3a5d497f777dcef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking chip8-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `chip8`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let chip8: Cpu = Cpu::new();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_chip8`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `display`
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let display: Display = Display::new(_sdl);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `draw`, and `window` are never read
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Display {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 7 |     data: [u8; 64 * 32],
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     draw: bool,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     window: sdl2::video::Window,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/cpu.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub struct Cpu {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout]  4 |     memory: [u8; 4096],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  5 |     v: [u8; 16],
[INFO] [stdout]    |     ^
[INFO] [stdout]  6 |     i: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout]  7 |     stack: [u16; 16],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  8 |     stack_pointer: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]  9 |     delay_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     sound_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 11 |     pc: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cycle` is never used
[INFO] [stdout]   --> src/cpu.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Cpu {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn cycle(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chip8`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let chip8: Cpu = Cpu::new();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_chip8`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `display`
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let display: Display = Display::new(_sdl);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data`, `draw`, and `window` are never read
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Display {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 7 |     data: [u8; 64 * 32],
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     draw: bool,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     window: sdl2::video::Window,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/cpu.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub struct Cpu {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout]  4 |     memory: [u8; 4096],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  5 |     v: [u8; 16],
[INFO] [stdout]    |     ^
[INFO] [stdout]  6 |     i: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout]  7 |     stack: [u16; 16],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  8 |     stack_pointer: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]  9 |     delay_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     sound_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 11 |     pc: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cycle` is never used
[INFO] [stdout]   --> src/cpu.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Cpu {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn cycle(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "9c08c0de09e1b471ab8a235bd88394105bd1e9ae89767c65d3a5d497f777dcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c08c0de09e1b471ab8a235bd88394105bd1e9ae89767c65d3a5d497f777dcef", kill_on_drop: false }`
[INFO] [stdout] 9c08c0de09e1b471ab8a235bd88394105bd1e9ae89767c65d3a5d497f777dcef
