[INFO] cloning repository https://github.com/augusto2112/RGameBoy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/augusto2112/RGameBoy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faugusto2112%2FRGameBoy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faugusto2112%2FRGameBoy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 584b798a4e1ae15dee46ba7a9d96b516713ab9e9
[INFO] checking augusto2112/RGameBoy against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faugusto2112%2FRGameBoy" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/augusto2112/RGameBoy on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/augusto2112/RGameBoy
[INFO] finished tweaking git repo https://github.com/augusto2112/RGameBoy
[INFO] tweaked toml for git repo https://github.com/augusto2112/RGameBoy written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/augusto2112/RGameBoy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 00d9c35bab53e70b6460acfb222abba8d4ad523d650f808981ffc74a7c91fbe4
[INFO] running `Command { std: "docker" "start" "-a" "00d9c35bab53e70b6460acfb222abba8d4ad523d650f808981ffc74a7c91fbe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00d9c35bab53e70b6460acfb222abba8d4ad523d650f808981ffc74a7c91fbe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d9c35bab53e70b6460acfb222abba8d4ad523d650f808981ffc74a7c91fbe4", kill_on_drop: false }`
[INFO] [stdout] 00d9c35bab53e70b6460acfb222abba8d4ad523d650f808981ffc74a7c91fbe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e32f54f537965fc07396ae67d688d9e71d9e2b9090eddcc08494010514e0ab4
[INFO] running `Command { std: "docker" "start" "-a" "4e32f54f537965fc07396ae67d688d9e71d9e2b9090eddcc08494010514e0ab4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking game-boy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `memory_string`
[INFO] [stdout]    --> src/cpu.rs:262:8
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn memory_string(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_byte`
[INFO] [stdout]     --> src/opcode.rs:1020:12
[INFO] [stdout]      |
[INFO] [stdout] 1020 |     pub fn as_byte(&self) -> u8 {
[INFO] [stdout]      |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `memory_string`
[INFO] [stdout]    --> src/cpu.rs:262:8
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn memory_string(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_byte`
[INFO] [stdout]     --> src/opcode.rs:1020:12
[INFO] [stdout]      |
[INFO] [stdout] 1020 |     pub fn as_byte(&self) -> u8 {
[INFO] [stdout]      |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "4e32f54f537965fc07396ae67d688d9e71d9e2b9090eddcc08494010514e0ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e32f54f537965fc07396ae67d688d9e71d9e2b9090eddcc08494010514e0ab4", kill_on_drop: false }`
[INFO] [stdout] 4e32f54f537965fc07396ae67d688d9e71d9e2b9090eddcc08494010514e0ab4