[INFO] cloning repository https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishikawa%2Fexample-rust-clap-derive-api-arg-enum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishikawa%2Fexample-rust-clap-derive-api-arg-enum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c78a294ad33618292d19812762f5e6f40b82412
[INFO] documenting ishikawa/example-rust-clap-derive-api-arg-enum 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%2Fishikawa%2Fexample-rust-clap-derive-api-arg-enum" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum 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/ishikawa/example-rust-clap-derive-api-arg-enum
[INFO] finished tweaking git repo https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum
[INFO] tweaked toml for git repo https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_lex v0.1.1
[INFO] [stderr]   Downloaded clap v3.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 730213d08fdb141876358247030d1f87100e1560f531206c5a5757351504536e
[INFO] running `Command { std: "docker" "start" "-a" "730213d08fdb141876358247030d1f87100e1560f531206c5a5757351504536e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "730213d08fdb141876358247030d1f87100e1560f531206c5a5757351504536e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730213d08fdb141876358247030d1f87100e1560f531206c5a5757351504536e", kill_on_drop: false }`
[INFO] [stdout] 730213d08fdb141876358247030d1f87100e1560f531206c5a5757351504536e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] [stdout] 69eaa21d40737d867b0ac537d4254607a57b3ecf0e805793baf48e3b8d45010d
[INFO] running `Command { std: "docker" "start" "-a" "69eaa21d40737d867b0ac537d4254607a57b3ecf0e805793baf48e3b8d45010d", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]     Checking clap_lex v0.1.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking clap v3.1.9
[INFO] [stderr]  Documenting example-rust-clap-derive-api-arg-enum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[derive(ArgEnum)]` only supports non-unit variants, unless they are skipped
[INFO] [stdout]   --> src/bin/example-2.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Error { panic: bool },
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `example-rust-clap-derive-api-arg-enum`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name example_2 src/bin/example-2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=09f7146e607f9006 -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-cd6d5c20d319c61d.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/bin/example-4.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  |   //! ```ignore
[INFO] [stdout]    |  _____^
[INFO] [stdout] 2  | | //! $ cargo run --bin example-4 -- -h
[INFO] [stdout] 3  | | //!     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 4  | | //!      Running `target/debug/example-4 -h`
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | | //!         --level <LEVEL>    [possible values: debug, info, warning, error, error-panic]
[INFO] [stdout] 13 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]   --> src/bin/example-4.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | //! ```ignore
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/bin/example-3.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  |   //! ```ignore
[INFO] [stdout]    |  _____^
[INFO] [stdout] 2  | | //! $ cargo run --bin example-3 -- -h
[INFO] [stdout] 3  | | //!     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 4  | | //!      Running `target/debug/example-3 -h`
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | | //!         --level <LEVEL>    [possible values: debug, info, warning, error, error-panic]
[INFO] [stdout] 13 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]   --> src/bin/example-3.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | //! ```ignore
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/bin/example-5.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  |   //! ```ignore
[INFO] [stdout]    |  _____^
[INFO] [stdout] 2  | | //! $ cargo run --bin example-5 -- -h
[INFO] [stdout] 3  | | //!     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 4  | | //!      Running `target/debug/example-5 -h`
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | | //!         --level <LEVEL>    [possible values: debug, info, warning, error, error-panic]
[INFO] [stdout] 13 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]   --> src/bin/example-5.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | //! ```ignore
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/bin/example-1.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  |   //! ```ignore
[INFO] [stdout]    |  _____^
[INFO] [stdout] 2  | | //! $ cargo run --bin example-1 -- -h
[INFO] [stdout] 3  | | //!     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 4  | | //!      Running `target/debug/example-1 -h`
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | | //!         --level <LEVEL>    [possible values: debug, info, warning, error]
[INFO] [stdout] 13 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]   --> src/bin/example-1.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | //! ```ignore
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69eaa21d40737d867b0ac537d4254607a57b3ecf0e805793baf48e3b8d45010d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69eaa21d40737d867b0ac537d4254607a57b3ecf0e805793baf48e3b8d45010d", kill_on_drop: false }`
[INFO] [stdout] 69eaa21d40737d867b0ac537d4254607a57b3ecf0e805793baf48e3b8d45010d