[INFO] fetching crate h2 0.3.3...
[INFO] documenting h2-0.3.3 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate h2 0.3.3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate h2 0.3.3 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate h2 0.3.3
[INFO] finished tweaking crates.io crate h2 0.3.3
[INFO] tweaked toml for crates.io crate h2 0.3.3 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate h2 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b3436625f8f27fb95b4e136f118c84163c086a58d6bdb90d7d0b44eff73d52a
[INFO] running `Command { std: "docker" "start" "-a" "6b3436625f8f27fb95b4e136f118c84163c086a58d6bdb90d7d0b44eff73d52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3436625f8f27fb95b4e136f118c84163c086a58d6bdb90d7d0b44eff73d52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3436625f8f27fb95b4e136f118c84163c086a58d6bdb90d7d0b44eff73d52a", kill_on_drop: false }`
[INFO] [stdout] 6b3436625f8f27fb95b4e136f118c84163c086a58d6bdb90d7d0b44eff73d52a
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 732374d32d5e9c7742098edfb1de60afbd4e7edbdba4d1c014a999cfc2f4157e
[INFO] running `Command { std: "docker" "start" "-a" "732374d32d5e9c7742098edfb1de60afbd4e7edbdba4d1c014a999cfc2f4157e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]  Documenting h2 v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `1`
[INFO] [stdout]     --> src/client.rs:1245:55
[INFO] [stdout]      |
[INFO] [stdout] 1245 |     /// [`SETTINGS_MAX_CONCURRENT_STREAMS` parameter][1] in a `SETTINGS` frame.
[INFO] [stdout]      |                                                       ^ no item named `1` in scope
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(rustdoc::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: this URL is not a hyperlink
[INFO] [stdout]    --> src/hpack/decoder.rs:465:10
[INFO] [stdout]     |
[INFO] [stdout] 465 |     /// (http://http2.github.io/http2-spec/compression.html#index.address.space)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://http2.github.io/http2-spec/compression.html#index.address.space>`
[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] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/frame/headers.rs:927:22
[INFO] [stdout]     |
[INFO] [stdout] 927 |     /// According to http://httpwg.org/specs/rfc7540.html#SETTINGS_MAX_HEADER_LIST_SIZE
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://httpwg.org/specs/rfc7540.html#SETTINGS_MAX_HEADER_LIST_SIZE>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.29s
[INFO] running `Command { std: "docker" "inspect" "732374d32d5e9c7742098edfb1de60afbd4e7edbdba4d1c014a999cfc2f4157e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732374d32d5e9c7742098edfb1de60afbd4e7edbdba4d1c014a999cfc2f4157e", kill_on_drop: false }`
[INFO] [stdout] 732374d32d5e9c7742098edfb1de60afbd4e7edbdba4d1c014a999cfc2f4157e
