[INFO] cloning repository https://github.com/mexus/playing-with-hlists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mexus/playing-with-hlists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Fplaying-with-hlists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Fplaying-with-hlists'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6549db3601863a5aac3cc2179fa81883c40d0572
[INFO] documenting mexus/playing-with-hlists 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%2Fmexus%2Fplaying-with-hlists" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mexus/playing-with-hlists 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/mexus/playing-with-hlists
[INFO] finished tweaking git repo https://github.com/mexus/playing-with-hlists
[INFO] tweaked toml for git repo https://github.com/mexus/playing-with-hlists written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/mexus/playing-with-hlists 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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 49e69c7e6c0785cae872edf21a34925b9640bc44e44cc1f8af157eeb5a0913ac
[INFO] running `Command { std: "docker" "start" "-a" "49e69c7e6c0785cae872edf21a34925b9640bc44e44cc1f8af157eeb5a0913ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e69c7e6c0785cae872edf21a34925b9640bc44e44cc1f8af157eeb5a0913ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e69c7e6c0785cae872edf21a34925b9640bc44e44cc1f8af157eeb5a0913ac", kill_on_drop: false }`
[INFO] [stdout] 49e69c7e6c0785cae872edf21a34925b9640bc44e44cc1f8af157eeb5a0913ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] c6f945d28e0556cf732dd6379b2dad7f5438b861023728e7f71244528b88ee9d
[INFO] running `Command { std: "docker" "start" "-a" "c6f945d28e0556cf732dd6379b2dad7f5438b861023728e7f71244528b88ee9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling frunk_core v0.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.0
[INFO] [stderr]    Compiling frunk_proc_macros_impl v0.1.0
[INFO] [stderr]    Compiling frunk_derives v0.4.0
[INFO] [stderr]     Checking frunk_proc_macros v0.1.0
[INFO] [stderr]     Checking frunk v0.4.0
[INFO] [stderr]  Documenting playing-with-hlists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.23s
[INFO] running `Command { std: "docker" "inspect" "c6f945d28e0556cf732dd6379b2dad7f5438b861023728e7f71244528b88ee9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f945d28e0556cf732dd6379b2dad7f5438b861023728e7f71244528b88ee9d", kill_on_drop: false }`
[INFO] [stdout] c6f945d28e0556cf732dd6379b2dad7f5438b861023728e7f71244528b88ee9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 47d619428c349703ba6ec5f7e6f12fd29f011ee14665ae18b97b37450850d9d4
[INFO] running `Command { std: "docker" "start" "-a" "47d619428c349703ba6ec5f7e6f12fd29f011ee14665ae18b97b37450850d9d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling frunk_core v0.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.0
[INFO] [stderr]    Compiling frunk_proc_macros_impl v0.1.0
[INFO] [stderr]    Compiling frunk_derives v0.4.0
[INFO] [stderr]     Checking frunk_proc_macros v0.1.0
[INFO] [stderr]     Checking frunk v0.4.0
[INFO] [stderr]  Documenting playing-with-hlists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / //! Experiments with heterogenous lists (and [frunk]).
[INFO] [stdout] 2  | | //!
[INFO] [stdout] 3  | | //! Currently the following examples are implemented in the respective modules:
[INFO] [stdout] 4  | | //!
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | | //!
[INFO] [stdout] 11 | | //! [Display]: https://doc.rust-lang.org/std/fmt/trait.Display.html
[INFO] [stdout]    | |___________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![deny(rustdoc::all)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[deny(rustdoc::missing_doc_code_examples)]` implied by `#[deny(rustdoc::all)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `playing-with-hlists`
[INFO] [stdout] error: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// [Display][std::fmt::Display] implementation for heterogenous lists.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / /// [Display][std::fmt::Display] implementation for heterogenous lists from
[INFO] [stdout] 20 | | /// [frunk](https://github.com/lloydmeta/frunk).
[INFO] [stdout]    | |________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: missing code example in this documentation
[INFO] [stdout]   --> src/display_frunk.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / /// A wrapper that implements [fmt::Display]. Used for providing a
[INFO] [stdout] 26 | | /// [fmt::Display] implementation for displayable [HCons].
[INFO] [stdout]    | |__________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name playing_with_hlists src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=0974203f66945308 -L dependency=/opt/rustwide/target/debug/deps --extern frunk=/opt/rustwide/target/debug/deps/libfrunk-21bfc4e91419d1eb.rmeta --extern-html-root-url 'frunk=https://docs.rs/frunk/0.4.0/' -Zunstable-options --crate-version 0.1.0` (exit status: 1)
[INFO] [stdout] error: missing code example in this documentation
[INFO] [stdout]   --> src/display_frunk.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | /// An extension trait for [HCons] that adds a `display` method.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / /// A recursively-defined non-empty heterogenous list.
[INFO] [stdout] 24 | | ///
[INFO] [stdout] 25 | | /// Use a [`hlist!`] macro to create an object of this type with multiple objects.
[INFO] [stdout]    | |__________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | /// Terminating entry of a heterogenous list.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | /// Constructs a heterogenous list with at least one element.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "47d619428c349703ba6ec5f7e6f12fd29f011ee14665ae18b97b37450850d9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d619428c349703ba6ec5f7e6f12fd29f011ee14665ae18b97b37450850d9d4", kill_on_drop: false }`
[INFO] [stdout] 47d619428c349703ba6ec5f7e6f12fd29f011ee14665ae18b97b37450850d9d4