[INFO] cloning repository https://github.com/swilskey/chip_eight_emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swilskey/chip_eight_emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilskey%2Fchip_eight_emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilskey%2Fchip_eight_emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00bb4d747618f27f93410dff9783f6df178219d0
[INFO] checking swilskey/chip_eight_emulator against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilskey%2Fchip_eight_emulator" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swilskey/chip_eight_emulator on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/swilskey/chip_eight_emulator
[INFO] finished tweaking git repo https://github.com/swilskey/chip_eight_emulator
[INFO] tweaked toml for git repo https://github.com/swilskey/chip_eight_emulator written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/swilskey/chip_eight_emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c74865cfb68a77ac814e9ec7aada32fc29cb97a50d25a69afc63e24f86cc5fd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c74865cfb68a77ac814e9ec7aada32fc29cb97a50d25a69afc63e24f86cc5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c74865cfb68a77ac814e9ec7aada32fc29cb97a50d25a69afc63e24f86cc5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c74865cfb68a77ac814e9ec7aada32fc29cb97a50d25a69afc63e24f86cc5fd", kill_on_drop: false }`
[INFO] [stdout] 0c74865cfb68a77ac814e9ec7aada32fc29cb97a50d25a69afc63e24f86cc5fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1d780202679ecb1c1d309a978c75bbd675fb98559f88d78cfe8e6d80975c3d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b1d780202679ecb1c1d309a978c75bbd675fb98559f88d78cfe8e6d80975c3d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]     Checking libc v0.2.28
[INFO] [stderr]    Compiling chip_eight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking sdl2 v0.30.0
[INFO] [stdout] error: expected one of `->`, `;`, `where`, or `{`, found `}`
[INFO] [stdout]   --> src/display.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn draw_screen ()
[INFO] [stdout]    |            -----------   - expected one of `->`, `;`, `where`, or `{`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            while parsing this `fn`
[INFO] [stdout] 44 | }
[INFO] [stdout]    | ^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `->`, `;`, `where`, or `{`, found `}`
[INFO] [stdout]   --> src/display.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn draw_screen ()
[INFO] [stdout]    |            -----------   - expected one of `->`, `;`, `where`, or `{`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            while parsing this `fn`
[INFO] [stdout] 44 | }
[INFO] [stdout]    | ^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: associated function in `impl` without body
[INFO] [stdout]   --> src/display.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn draw_screen ()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: provide a definition for the function: `{ <body> }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WindowEvent`
[INFO] [stdout]  --> src/main.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sdl2::event::{Event,WindowEvent};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Surface`
[INFO] [stdout]   --> src/main.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use sdl2::surface::{Surface};
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: associated function in `impl` without body
[INFO] [stdout]   --> src/display.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn draw_screen ()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: provide a definition for the function: `{ <body> }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WindowEvent`
[INFO] [stdout]  --> src/main.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 | use sdl2::event::{Event,WindowEvent};
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Surface`
[INFO] [stdout]   --> src/main.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use sdl2::surface::{Surface};
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/cpu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip_eight`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b1d780202679ecb1c1d309a978c75bbd675fb98559f88d78cfe8e6d80975c3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d780202679ecb1c1d309a978c75bbd675fb98559f88d78cfe8e6d80975c3d9", kill_on_drop: false }`
[INFO] [stdout] b1d780202679ecb1c1d309a978c75bbd675fb98559f88d78cfe8e6d80975c3d9