[INFO] cloning repository https://github.com/yumanuralfath/my_first_gb_emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yumanuralfath/my_first_gb_emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyumanuralfath%2Fmy_first_gb_emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyumanuralfath%2Fmy_first_gb_emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b71bf88e5471a52b5e4107c7f351e3b55856966e
[INFO] checking yumanuralfath/my_first_gb_emulator against try#f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyumanuralfath%2Fmy_first_gb_emulator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yumanuralfath/my_first_gb_emulator
[INFO] finished tweaking git repo https://github.com/yumanuralfath/my_first_gb_emulator
[INFO] tweaked toml for git repo https://github.com/yumanuralfath/my_first_gb_emulator written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yumanuralfath/my_first_gb_emulator on toolchain f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yumanuralfath/my_first_gb_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" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking yumanuralfath/my_first_gb_emulator against try#f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2 for pr-156992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyumanuralfath%2Fmy_first_gb_emulator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yumanuralfath/my_first_gb_emulator
[INFO] finished tweaking git repo https://github.com/yumanuralfath/my_first_gb_emulator
[INFO] tweaked toml for git repo https://github.com/yumanuralfath/my_first_gb_emulator written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yumanuralfath/my_first_gb_emulator on toolchain f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yumanuralfath/my_first_gb_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" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0b9202fb7cc1fb515f86e20d3350c55ab5729a243f66fd52f20c6ae8ef4949e
[INFO] running `Command { std: "docker" "start" "-a" "b0b9202fb7cc1fb515f86e20d3350c55ab5729a243f66fd52f20c6ae8ef4949e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0b9202fb7cc1fb515f86e20d3350c55ab5729a243f66fd52f20c6ae8ef4949e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b9202fb7cc1fb515f86e20d3350c55ab5729a243f66fd52f20c6ae8ef4949e", kill_on_drop: false }`
[INFO] [stdout] b0b9202fb7cc1fb515f86e20d3350c55ab5729a243f66fd52f20c6ae8ef4949e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f16624c7fb52ccf15cd304a9728caf1ef4b9c0d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5efd44d7b482c5801d793c512cc2b38b2323cf361b3f875b9a2dbb7a46cbb5d4
[INFO] running `Command { std: "docker" "start" "-a" "5efd44d7b482c5801d793c512cc2b38b2323cf361b3f875b9a2dbb7a46cbb5d4", kill_on_drop: false }`
[INFO] [stderr]     Checking my_first_gb_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | struct Registers {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout]  3 |     a: u8,
[INFO] [stdout]  4 |     b: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]  5 |     c: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]  6 |     d: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]  7 |     e: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]  8 |     f: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]  9 |     h: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     l: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_bc` and `set_bc` are never used
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Registers {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 15 |     fn get_bc(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn set_bc(&mut self, value: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | struct Registers {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout]  3 |     a: u8,
[INFO] [stdout]  4 |     b: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]  5 |     c: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]  6 |     d: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]  7 |     e: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]  8 |     f: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]  9 |     h: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     l: u8,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_bc` and `set_bc` are never used
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Registers {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 15 |     fn get_bc(&self) -> u16 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn set_bc(&mut self, value: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "5efd44d7b482c5801d793c512cc2b38b2323cf361b3f875b9a2dbb7a46cbb5d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5efd44d7b482c5801d793c512cc2b38b2323cf361b3f875b9a2dbb7a46cbb5d4", kill_on_drop: false }`
[INFO] [stdout] 5efd44d7b482c5801d793c512cc2b38b2323cf361b3f875b9a2dbb7a46cbb5d4