[INFO] cloning repository https://github.com/MasterObvious/RustBoy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MasterObvious/RustBoy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterObvious%2FRustBoy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterObvious%2FRustBoy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 955f35e3540b0871efea56f0aaa52bc866b42681
[INFO] testing MasterObvious/RustBoy against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterObvious%2FRustBoy" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MasterObvious/RustBoy
[INFO] finished tweaking git repo https://github.com/MasterObvious/RustBoy
[INFO] tweaked toml for git repo https://github.com/MasterObvious/RustBoy written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MasterObvious/RustBoy on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MasterObvious/RustBoy 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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] testing MasterObvious/RustBoy against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterObvious%2FRustBoy" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MasterObvious/RustBoy
[INFO] finished tweaking git repo https://github.com/MasterObvious/RustBoy
[INFO] tweaked toml for git repo https://github.com/MasterObvious/RustBoy written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MasterObvious/RustBoy on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MasterObvious/RustBoy 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0efa47a2d76f531f060b999993491ae25433c89327cd44f000c9faa02e9a3d16
[INFO] running `Command { std: "docker" "start" "-a" "0efa47a2d76f531f060b999993491ae25433c89327cd44f000c9faa02e9a3d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0efa47a2d76f531f060b999993491ae25433c89327cd44f000c9faa02e9a3d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0efa47a2d76f531f060b999993491ae25433c89327cd44f000c9faa02e9a3d16", kill_on_drop: false }`
[INFO] [stdout] 0efa47a2d76f531f060b999993491ae25433c89327cd44f000c9faa02e9a3d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeb003c7fb641c78d3d888af82eff1879e39a1120d4387e8f07a9fd075dcb1ce
[INFO] running `Command { std: "docker" "start" "-a" "aeb003c7fb641c78d3d888af82eff1879e39a1120d4387e8f07a9fd075dcb1ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `AF` is never constructed
[INFO] [stdout]   --> src/hardware/registers.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum Register {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     AF, // Accumulator + Flags
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `C` is never constructed
[INFO] [stdout]   --> src/hardware/registers.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum Flag {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 24 |     C, // Carry
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "aeb003c7fb641c78d3d888af82eff1879e39a1120d4387e8f07a9fd075dcb1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb003c7fb641c78d3d888af82eff1879e39a1120d4387e8f07a9fd075dcb1ce", kill_on_drop: false }`
[INFO] [stdout] aeb003c7fb641c78d3d888af82eff1879e39a1120d4387e8f07a9fd075dcb1ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4dfd629d57919be9fc9e3648cc0981ebfc983d9b92f00f0d6cc7714f6c3a93
[INFO] running `Command { std: "docker" "start" "-a" "6b4dfd629d57919be9fc9e3648cc0981ebfc983d9b92f00f0d6cc7714f6c3a93", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustboy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `AF` is never constructed
[INFO] [stdout]   --> src/hardware/registers.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum Register {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     AF, // Accumulator + Flags
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `C` is never constructed
[INFO] [stdout]   --> src/hardware/registers.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum Flag {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 24 |     C, // Carry
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "6b4dfd629d57919be9fc9e3648cc0981ebfc983d9b92f00f0d6cc7714f6c3a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4dfd629d57919be9fc9e3648cc0981ebfc983d9b92f00f0d6cc7714f6c3a93", kill_on_drop: false }`
[INFO] [stdout] 6b4dfd629d57919be9fc9e3648cc0981ebfc983d9b92f00f0d6cc7714f6c3a93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7450e2e2f9a9855d8318e80f7ab8434447b57f75bafe01cb857e45d9cf270a7
[INFO] running `Command { std: "docker" "start" "-a" "c7450e2e2f9a9855d8318e80f7ab8434447b57f75bafe01cb857e45d9cf270a7", kill_on_drop: false }`
[INFO] [stderr] warning: variant `AF` is never constructed
[INFO] [stdout] 
[INFO] [stderr]   --> src/hardware/registers.rs:12:5
[INFO] [stdout] running 5 tests
[INFO] [stderr]    |
[INFO] [stdout] test hardware::registers::tests::flags ... ok
[INFO] [stderr] 2  | pub enum Register {
[INFO] [stdout] test hardware::registers::tests::write_read_simple ... ok
[INFO] [stderr]    |          -------- variant in this enum
[INFO] [stdout] test hardware::registers::tests::truncation ... ok
[INFO] [stderr] ...
[INFO] [stderr] 12 |     AF, // Accumulator + Flags
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Register` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `C` is never constructed
[INFO] [stderr]   --> src/hardware/registers.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub enum Flag {
[INFO] [stderr]    |          ---- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 24 |     C, // Carry
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustboy` (bin "rustboy" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustboy-9f4c82bb158884ad)
[INFO] [stdout] test hardware::registers::tests::write_read_word ... ok
[INFO] [stdout] test hardware::registers::tests::write_short_read_word ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7450e2e2f9a9855d8318e80f7ab8434447b57f75bafe01cb857e45d9cf270a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7450e2e2f9a9855d8318e80f7ab8434447b57f75bafe01cb857e45d9cf270a7", kill_on_drop: false }`
[INFO] [stdout] c7450e2e2f9a9855d8318e80f7ab8434447b57f75bafe01cb857e45d9cf270a7