[INFO] cloning repository https://github.com/cornishon/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cornishon/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcornishon%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcornishon%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c8f863d0257ecef4101718d194d2c588c2ee7b3
[INFO] checking cornishon/chip8 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcornishon%2Fchip8" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cornishon/chip8 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cornishon/chip8
[INFO] finished tweaking git repo https://github.com/cornishon/chip8
[INFO] tweaked toml for git repo https://github.com/cornishon/chip8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cornishon/chip8 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.27.0
[INFO] [stderr]   Downloaded deku_derive v0.16.0
[INFO] [stderr]   Downloaded deku v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e41ff74f5066bbfda80912bef72e4a464673ed5001889b8e5ca5ae4c1224b1fc
[INFO] running `Command { std: "docker" "start" "-a" "e41ff74f5066bbfda80912bef72e4a464673ed5001889b8e5ca5ae4c1224b1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41ff74f5066bbfda80912bef72e4a464673ed5001889b8e5ca5ae4c1224b1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41ff74f5066bbfda80912bef72e4a464673ed5001889b8e5ca5ae4c1224b1fc", kill_on_drop: false }`
[INFO] [stdout] e41ff74f5066bbfda80912bef72e4a464673ed5001889b8e5ca5ae4c1224b1fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdbc4587bbb9b0351132cd1c657a449d07b262bd05ab7e463d7b50d26b63909c
[INFO] running `Command { std: "docker" "start" "-a" "cdbc4587bbb9b0351132cd1c657a449d07b262bd05ab7e463d7b50d26b63909c", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling deku_derive v0.16.0
[INFO] [stderr]     Checking deku v0.16.0
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> src/main.rs:441:15
[INFO] [stdout]     |
[INFO] [stdout] 441 |     const ON: &str = "\u{2588}\u{2588}";
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
[INFO] [stdout]     = note: `#[warn(elided_lifetimes_in_associated_constant)]` on by default
[INFO] [stdout] help: use the `'static` lifetime
[INFO] [stdout]     |
[INFO] [stdout] 441 |     const ON: &'static str = "\u{2588}\u{2588}";
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> src/main.rs:442:16
[INFO] [stdout]     |
[INFO] [stdout] 442 |     const OFF: &str = "  ";
[INFO] [stdout]     |                ^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
[INFO] [stdout] help: use the `'static` lifetime
[INFO] [stdout]     |
[INFO] [stdout] 442 |     const OFF: &'static str = "  ";
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> src/main.rs:441:15
[INFO] [stdout]     |
[INFO] [stdout] 441 |     const ON: &str = "\u{2588}\u{2588}";
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
[INFO] [stdout]     = note: `#[warn(elided_lifetimes_in_associated_constant)]` on by default
[INFO] [stdout] help: use the `'static` lifetime
[INFO] [stdout]     |
[INFO] [stdout] 441 |     const ON: &'static str = "\u{2588}\u{2588}";
[INFO] [stdout]     |                +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `&` without an explicit lifetime name cannot be used here
[INFO] [stdout]    --> src/main.rs:442:16
[INFO] [stdout]     |
[INFO] [stdout] 442 |     const OFF: &str = "  ";
[INFO] [stdout]     |                ^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #115010 <https://github.com/rust-lang/rust/issues/115010>
[INFO] [stdout] help: use the `'static` lifetime
[INFO] [stdout]     |
[INFO] [stdout] 442 |     const OFF: &'static str = "  ";
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:228:18
[INFO] [stdout]     |
[INFO] [stdout] 228 | ... = "0xF065 | 0xF165 | 0xF265 | 0xF653 | 0xF465 | 0xF655 | 0xF665 | 0xF765 | 0xF865 | 0xF965 | 0xFA65 | 0xFB65  | 0xFC65  | 0xFD65  | 0xFE65  | 0xFF65"
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:228:18
[INFO] [stdout]     |
[INFO] [stdout] 228 | ... = "0xF065 | 0xF165 | 0xF265 | 0xF653 | 0xF465 | 0xF655 | 0xF665 | 0xF765 | 0xF865 | 0xF965 | 0xFA65 | 0xFB65  | 0xFC65  | 0xFD65  | 0xFE65  | 0xFF65"
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dt` and `st` are never read
[INFO] [stdout]    --> src/main.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 236 | struct Chip8 {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 241 |     dt: u8,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 242 |     st: u8,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dt` and `st` are never read
[INFO] [stdout]    --> src/main.rs:241:5
[INFO] [stdout]     |
[INFO] [stdout] 236 | struct Chip8 {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 241 |     dt: u8,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 242 |     st: u8,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.36s
[INFO] running `Command { std: "docker" "inspect" "cdbc4587bbb9b0351132cd1c657a449d07b262bd05ab7e463d7b50d26b63909c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbc4587bbb9b0351132cd1c657a449d07b262bd05ab7e463d7b50d26b63909c", kill_on_drop: false }`
[INFO] [stdout] cdbc4587bbb9b0351132cd1c657a449d07b262bd05ab7e463d7b50d26b63909c