[INFO] cloning repository https://github.com/crossterm-rs/examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crossterm-rs/examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrossterm-rs%2Fexamples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrossterm-rs%2Fexamples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51ef3de413d8f673690b2c7d47a73928f59b92df
[INFO] documenting crossterm-rs/examples 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%2Fcrossterm-rs%2Fexamples" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crossterm-rs/examples 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/crossterm-rs/examples
[INFO] finished tweaking git repo https://github.com/crossterm-rs/examples
[INFO] tweaked toml for git repo https://github.com/crossterm-rs/examples written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/crossterm-rs/examples 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] [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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 523c441890cf90aea29058bd21b584aa70baa18ee2bd5e9a27eb7a7c6f9ce2ce
[INFO] running `Command { std: "docker" "start" "-a" "523c441890cf90aea29058bd21b584aa70baa18ee2bd5e9a27eb7a7c6f9ce2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "523c441890cf90aea29058bd21b584aa70baa18ee2bd5e9a27eb7a7c6f9ce2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523c441890cf90aea29058bd21b584aa70baa18ee2bd5e9a27eb7a7c6f9ce2ce", kill_on_drop: false }`
[INFO] [stdout] 523c441890cf90aea29058bd21b584aa70baa18ee2bd5e9a27eb7a7c6f9ce2ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 1efb36acf7ac8f9dfb5447e92cd8bffc5ca8ec3feba6e27d39f7e90823143b8a
[INFO] running `Command { std: "docker" "start" "-a" "1efb36acf7ac8f9dfb5447e92cd8bffc5ca8ec3feba6e27d39f7e90823143b8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking crossterm v0.12.1 (https://github.com/crossterm-rs/crossterm#f2a4df20)
[INFO] [stderr]  Documenting crossterm-examples v0.0.1 (/opt/rustwide/workdir/examples)
[INFO] [stderr]  Documenting snake v0.0.1 (/opt/rustwide/workdir/snake)
[INFO] [stderr]  Documenting first-depth-search v0.0.1 (/opt/rustwide/workdir/first-depth-search)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> snake/src/snake.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |       /// ```
[INFO] [stdout]     |  _________^
[INFO] [stdout] 116 | |     ///  ╻
[INFO] [stdout] 117 | |     /// ━╸
[INFO] [stdout] 118 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{257b}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2501}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2578}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 115 |     /// ```text
[INFO] [stdout]     |            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> snake/src/snake.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |       /// ```
[INFO] [stdout]     |  _________^
[INFO] [stdout] 124 | |     ///  ╻
[INFO] [stdout] 125 | |     /// ━┛
[INFO] [stdout] 126 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{257b}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2501}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{251b}
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 123 |     /// ```text
[INFO] [stdout]     |            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> snake/src/messages.rs:3:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | //! These messages were generated on the http://patorjk.com/software/taag/ site.
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://patorjk.com/software/taag/>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `first-depth-search`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name first_depth_search first-depth-search/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=ca3e9f0e22bca32c -L dependency=/opt/rustwide/target/debug/deps --extern crossterm=/opt/rustwide/target/debug/deps/libcrossterm-1920eb29d450103b.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-fde1b41216edd9ac.rmeta --cap-lints=warn --crate-version 0.0.1` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1efb36acf7ac8f9dfb5447e92cd8bffc5ca8ec3feba6e27d39f7e90823143b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efb36acf7ac8f9dfb5447e92cd8bffc5ca8ec3feba6e27d39f7e90823143b8a", kill_on_drop: false }`
[INFO] [stdout] 1efb36acf7ac8f9dfb5447e92cd8bffc5ca8ec3feba6e27d39f7e90823143b8a