[INFO] cloning repository https://github.com/shimo8810/chip8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shimo8810/chip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshimo8810%2Fchip8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshimo8810%2Fchip8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82ef52d8fbdcf7429f4355873da117f60138ddfe
[INFO] documenting shimo8810/chip8 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshimo8810%2Fchip8" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shimo8810/chip8 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shimo8810/chip8
[INFO] finished tweaking git repo https://github.com/shimo8810/chip8
[INFO] tweaked toml for git repo https://github.com/shimo8810/chip8 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/shimo8810/chip8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c642670fac2c37b8569e11283a38c1b1c9c11012815f010af04d1fa48a84ea2
[INFO] running `Command { std: "docker" "start" "-a" "7c642670fac2c37b8569e11283a38c1b1c9c11012815f010af04d1fa48a84ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c642670fac2c37b8569e11283a38c1b1c9c11012815f010af04d1fa48a84ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c642670fac2c37b8569e11283a38c1b1c9c11012815f010af04d1fa48a84ea2", kill_on_drop: false }`
[INFO] [stdout] 7c642670fac2c37b8569e11283a38c1b1c9c11012815f010af04d1fa48a84ea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26625c04c50291f45b0a0d4bbbac5838f332b5a8f17e8e17ca99d2d6972564b2
[INFO] running `Command { std: "docker" "start" "-a" "26625c04c50291f45b0a0d4bbbac5838f332b5a8f17e8e17ca99d2d6972564b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]  Documenting chip8-wasm v0.1.0 (/opt/rustwide/workdir/chip8-wasm)
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chip8-core v0.1.0 (/opt/rustwide/workdir/chip8-core)
[INFO] [stderr]  Documenting chip8-core v0.1.0 (/opt/rustwide/workdir/chip8-core)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> chip8-core/src/cpu.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |             Instruction::RndVxByte(x, byte) => {}
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]    --> chip8-core/src/cpu.rs:155:39
[INFO] [stdout]     |
[INFO] [stdout] 155 |             Instruction::RndVxByte(x, byte) => {}
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> chip8-core/src/cpu.rs:161:32
[INFO] [stdout]     |
[INFO] [stdout] 161 |             Instruction::SkpVx(x) => {}
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> chip8-core/src/cpu.rs:162:33
[INFO] [stdout]     |
[INFO] [stdout] 162 |             Instruction::SkpnVx(x) => {}
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> chip8-core/src/cpu.rs:163:33
[INFO] [stdout]     |
[INFO] [stdout] 163 |             Instruction::LdVxDt(x) => {}
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> chip8-core/src/cpu.rs:164:32
[INFO] [stdout]     |
[INFO] [stdout] 164 |             Instruction::LdVxK(x) => {}
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> chip8-core/src/cpu.rs:165:33
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Instruction::LdDtVx(x) => {}
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> chip8-core/src/cpu.rs:166:33
[INFO] [stdout]     |
[INFO] [stdout] 166 |             Instruction::LdStVx(x) => {}
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> chip8-core/src/cpu.rs:168:32
[INFO] [stdout]     |
[INFO] [stdout] 168 |             Instruction::LdFVx(x) => {}
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> chip8-core/src/cpu.rs:169:32
[INFO] [stdout]     |
[INFO] [stdout] 169 |             Instruction::LdBVx(x) => {}
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting chip8-cli v0.1.0 (/opt/rustwide/workdir/chip8-cli)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.79s
[INFO] running `Command { std: "docker" "inspect" "26625c04c50291f45b0a0d4bbbac5838f332b5a8f17e8e17ca99d2d6972564b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26625c04c50291f45b0a0d4bbbac5838f332b5a8f17e8e17ca99d2d6972564b2", kill_on_drop: false }`
[INFO] [stdout] 26625c04c50291f45b0a0d4bbbac5838f332b5a8f17e8e17ca99d2d6972564b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d76d04478e87169622f781c28db96df3289e280dbe54fc5edb3535928844e910
[INFO] running `Command { std: "docker" "start" "-a" "d76d04478e87169622f781c28db96df3289e280dbe54fc5edb3535928844e910", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "d76d04478e87169622f781c28db96df3289e280dbe54fc5edb3535928844e910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76d04478e87169622f781c28db96df3289e280dbe54fc5edb3535928844e910", kill_on_drop: false }`
[INFO] [stdout] d76d04478e87169622f781c28db96df3289e280dbe54fc5edb3535928844e910