[INFO] cloning repository https://github.com/nanomad/chip8emu-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nanomad/chip8emu-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanomad%2Fchip8emu-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanomad%2Fchip8emu-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bc1d3bc3bee48c769950f9229342acc8e1ddbbb
[INFO] documenting nanomad/chip8emu-rs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanomad%2Fchip8emu-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nanomad/chip8emu-rs on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nanomad/chip8emu-rs
[INFO] finished tweaking git repo https://github.com/nanomad/chip8emu-rs
[INFO] tweaked toml for git repo https://github.com/nanomad/chip8emu-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/nanomad/chip8emu-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syntex_errors v0.44.0
[INFO] [stderr]   Downloaded walkdir v0.1.8
[INFO] [stderr]   Downloaded syntex_pos v0.44.0
[INFO] [stderr]   Downloaded term v0.4.4
[INFO] [stderr]   Downloaded diff v0.1.9
[INFO] [stderr]   Downloaded multimap v0.3.0
[INFO] [stderr]   Downloaded semver v0.2.3
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded kernel32-sys v0.1.4
[INFO] [stderr]   Downloaded x11-dl v2.2.1
[INFO] [stderr]   Downloaded gcc v0.3.41
[INFO] [stderr]   Downloaded syntex_syntax v0.44.1
[INFO] [stderr]   Downloaded strings v0.0.1
[INFO] [stderr]   Downloaded dylib v0.0.1
[INFO] [stderr]   Downloaded minifb v0.9.0
[INFO] [stderr]   Downloaded clippy v0.0.106
[INFO] [stderr]   Downloaded rustfmt v0.6.3
[INFO] [stderr]   Downloaded clippy_lints v0.0.106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c61e9e8b33eeb0d99f5df8102f2cdbf7956a86dcfa6fcc3becd5d70adee2f009
[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" "c61e9e8b33eeb0d99f5df8102f2cdbf7956a86dcfa6fcc3becd5d70adee2f009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c61e9e8b33eeb0d99f5df8102f2cdbf7956a86dcfa6fcc3becd5d70adee2f009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61e9e8b33eeb0d99f5df8102f2cdbf7956a86dcfa6fcc3becd5d70adee2f009", kill_on_drop: false }`
[INFO] [stdout] c61e9e8b33eeb0d99f5df8102f2cdbf7956a86dcfa6fcc3becd5d70adee2f009
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] e2aeedc774aba17fc0bb351e8d54d74aabf31f7b6c9310d583927750b7e423b4
[INFO] running `Command { std: "docker" "start" "-a" "e2aeedc774aba17fc0bb351e8d54d74aabf31f7b6c9310d583927750b7e423b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking dylib v0.0.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking x11-dl v2.2.1
[INFO] [stderr]    Compiling minifb v0.9.0
[INFO] [stderr]  Documenting chip8emu-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0437]: type `Err` is not a member of trait `TryFrom`
[INFO] [stdout]   --> src/instruction.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     type Err = String;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ not a member of trait `TryFrom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0437]: type `Err` is not a member of trait `TryFrom`
[INFO] [stdout]   --> src/debugger/command.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     type Err = String;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ not a member of trait `TryFrom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0437]: type `Err` is not a member of trait `TryFrom`
[INFO] [stdout]   --> src/peripherals.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     type Err = String;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ not a member of trait `TryFrom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/debugger/debugger.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         (!self.breakpoints.is_empty() && self.breakpoints.contains(&loc))
[INFO] [stdout]     |         ^                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -         (!self.breakpoints.is_empty() && self.breakpoints.contains(&loc))
[INFO] [stdout] 168 +         !self.breakpoints.is_empty() && self.breakpoints.contains(&loc)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0437`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `chip8emu-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name chip8emu_rs src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8be3595714e09993 -L dependency=/opt/rustwide/target/debug/deps --extern minifb=/opt/rustwide/target/debug/deps/libminifb-5ccd2151ab0f7bc9.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a8ed47012a3931a1.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e2aeedc774aba17fc0bb351e8d54d74aabf31f7b6c9310d583927750b7e423b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2aeedc774aba17fc0bb351e8d54d74aabf31f7b6c9310d583927750b7e423b4", kill_on_drop: false }`
[INFO] [stdout] e2aeedc774aba17fc0bb351e8d54d74aabf31f7b6c9310d583927750b7e423b4