[INFO] fetching crate piper 0.1.3...
[INFO] documenting piper-0.1.3 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate piper 0.1.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate piper 0.1.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piper 0.1.3
[INFO] finished tweaking crates.io crate piper 0.1.3
[INFO] tweaked toml for crates.io crate piper 0.1.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate piper 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b044ded741bf7800e062aa3bf2991ed64ea0f68bd987bcc2f75156ce4ecf068f
[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" "b044ded741bf7800e062aa3bf2991ed64ea0f68bd987bcc2f75156ce4ecf068f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b044ded741bf7800e062aa3bf2991ed64ea0f68bd987bcc2f75156ce4ecf068f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b044ded741bf7800e062aa3bf2991ed64ea0f68bd987bcc2f75156ce4ecf068f", kill_on_drop: false }`
[INFO] [stdout] b044ded741bf7800e062aa3bf2991ed64ea0f68bd987bcc2f75156ce4ecf068f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 651636e8196231c0d762caa8bdde75b38c8cfc334256db2977297dbe6b2c1b6a
[INFO] running `Command { std: "docker" "start" "-a" "651636e8196231c0d762caa8bdde75b38c8cfc334256db2977297dbe6b2c1b6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]  Documenting piper v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Notified`
[INFO] [stdout]    --> src/event.rs:373:40
[INFO] [stdout]     |
[INFO] [stdout] 373 |     /// Returns `true` if this is the [`Notified`] state.
[INFO] [stdout]     |                                        ^^^^^^^^^^ the module `event` contains no item named `Notified`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/chan.rs:362:5
[INFO] [stdout]     |
[INFO] [stdout] 362 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 363 | | /// use smol::{Task, Timer};
[INFO] [stdout] 364 | | /// use std::time::Duration;
[INFO] [stdout] 365 | | ///
[INFO] [stdout] ...   |
[INFO] [stdout] 378 | | /// # })
[INFO] [stdout] 379 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: mismatched closing delimiter: `}`
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 362 | /// ```text
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.37s
[INFO] running `Command { std: "docker" "inspect" "651636e8196231c0d762caa8bdde75b38c8cfc334256db2977297dbe6b2c1b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651636e8196231c0d762caa8bdde75b38c8cfc334256db2977297dbe6b2c1b6a", kill_on_drop: false }`
[INFO] [stdout] 651636e8196231c0d762caa8bdde75b38c8cfc334256db2977297dbe6b2c1b6a
