[INFO] cloning repository https://github.com/the7thobserver/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/the7thobserver/Chip8_Emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe7thobserver%2FChip8_Emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe7thobserver%2FChip8_Emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51f31d867eb261d9596eae6d550cc009174a64e4
[INFO] testing the7thobserver/Chip8_Emulator against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe7thobserver%2FChip8_Emulator" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/the7thobserver/Chip8_Emulator on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/the7thobserver/Chip8_Emulator
[INFO] finished tweaking git repo https://github.com/the7thobserver/Chip8_Emulator
[INFO] tweaked toml for git repo https://github.com/the7thobserver/Chip8_Emulator written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/the7thobserver/Chip8_Emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5fdf14d5ed2a920e3533dcf6e172b54db656d72c68370cf33d221d12fbeab7b
[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" "a5fdf14d5ed2a920e3533dcf6e172b54db656d72c68370cf33d221d12fbeab7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5fdf14d5ed2a920e3533dcf6e172b54db656d72c68370cf33d221d12fbeab7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5fdf14d5ed2a920e3533dcf6e172b54db656d72c68370cf33d221d12fbeab7b", kill_on_drop: false }`
[INFO] [stdout] a5fdf14d5ed2a920e3533dcf6e172b54db656d72c68370cf33d221d12fbeab7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa8f3f359932c625b1ff15764ab1f4120fce6c231d889f74ef5f5e807087d912
[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" "fa8f3f359932c625b1ff15764ab1f4120fce6c231d889f74ef5f5e807087d912", kill_on_drop: false }`
[INFO] [stderr]    Compiling chip8_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `:`, `@`, or `|`, found `)`
[INFO] [stdout]   --> src/cpu.rs:19:47
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn execute_instruction(&mut self, instruction) {
[INFO] [stdout]    |                                                  ^ expected one of `:`, `@`, or `|`
[INFO] [stdout]    |
[INFO] [stdout]    = note: anonymous parameters are removed in the 2018 edition (see RFC 1685)
[INFO] [stdout] help: if this is a parameter name, give it a type
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn execute_instruction(&mut self, instruction: TypeName) {
[INFO] [stdout]    |                                                  ++++++++++
[INFO] [stdout] help: if this is a type, explicitly ignore the parameter name
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn execute_instruction(&mut self, _: instruction) {
[INFO] [stdout]    |                                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chip8_emulator` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "fa8f3f359932c625b1ff15764ab1f4120fce6c231d889f74ef5f5e807087d912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8f3f359932c625b1ff15764ab1f4120fce6c231d889f74ef5f5e807087d912", kill_on_drop: false }`
[INFO] [stdout] fa8f3f359932c625b1ff15764ab1f4120fce6c231d889f74ef5f5e807087d912