[INFO] fetching crate hpack 0.3.0...
[INFO] documenting hpack-0.3.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate hpack 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hpack 0.3.0 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 crates.io crate hpack 0.3.0
[INFO] finished tweaking crates.io crate hpack 0.3.0
[INFO] tweaked toml for crates.io crate hpack 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75bab3cdf67bd47a621e7c25bc62b4b7056023070fd97c9626a00ebf4f74d78c
[INFO] running `Command { std: "docker" "start" "-a" "75bab3cdf67bd47a621e7c25bc62b4b7056023070fd97c9626a00ebf4f74d78c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75bab3cdf67bd47a621e7c25bc62b4b7056023070fd97c9626a00ebf4f74d78c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75bab3cdf67bd47a621e7c25bc62b4b7056023070fd97c9626a00ebf4f74d78c", kill_on_drop: false }`
[INFO] [stdout] 75bab3cdf67bd47a621e7c25bc62b4b7056023070fd97c9626a00ebf4f74d78c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0130966a23fd9eb68625b5a47828ec2a2b2bf7e0a57fdbb56716ce20eac4a06
[INFO] running `Command { std: "docker" "start" "-a" "e0130966a23fd9eb68625b5a47828ec2a2b2bf7e0a57fdbb56716ce20eac4a06", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]  Documenting hpack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8])>,
[INFO] [stdout]     |                    ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 224 -                 fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8])>,
[INFO] [stdout] 224 +                 fn(&'a (&'a [u8], &'a [u8])) -> (&'a [u8], &'a [u8])>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:280:48
[INFO] [stdout]     |
[INFO] [stdout] 280 | ...                   fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8]))
[INFO] [stdout]     |                          ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 280 -                                             fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8]))
[INFO] [stdout] 280 +                                             fn(&'a (&'a [u8], &'a [u8])) -> (&'a [u8], &'a [u8]))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/lib.rs:216:11
[INFO] [stdout]     |
[INFO] [stdout] 216 | /// yet ([https://github.com/rust-lang/rfcs/pull/105]).
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/rust-lang/rfcs/pull/105>`
[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/lib.rs:304:10
[INFO] [stdout]     |
[INFO] [stdout] 304 |     /// (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: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "e0130966a23fd9eb68625b5a47828ec2a2b2bf7e0a57fdbb56716ce20eac4a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0130966a23fd9eb68625b5a47828ec2a2b2bf7e0a57fdbb56716ce20eac4a06", kill_on_drop: false }`
[INFO] [stdout] e0130966a23fd9eb68625b5a47828ec2a2b2bf7e0a57fdbb56716ce20eac4a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 22f6e29a982467d62765c212d317c898fccc4540cb81be0cb1102c756f9128ba
[INFO] running `Command { std: "docker" "start" "-a" "22f6e29a982467d62765c212d317c898fccc4540cb81be0cb1102c756f9128ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]  Documenting hpack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |                 fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8])>,
[INFO] [stdout]     |                    ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 224 -                 fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8])>,
[INFO] [stdout] 224 +                 fn(&'a (&'a [u8], &'a [u8])) -> (&'a [u8], &'a [u8])>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:280:48
[INFO] [stdout]     |
[INFO] [stdout] 280 | ...                   fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8]))
[INFO] [stdout]     |                          ^                        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 280 -                                             fn((&'a (&'a [u8], &'a [u8]))) -> (&'a [u8], &'a [u8]))
[INFO] [stdout] 280 +                                             fn(&'a (&'a [u8], &'a [u8])) -> (&'a [u8], &'a [u8]))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/lib.rs:216:11
[INFO] [stdout]     |
[INFO] [stdout] 216 | /// yet ([https://github.com/rust-lang/rfcs/pull/105]).
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/rust-lang/rfcs/pull/105>`
[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/lib.rs:304:10
[INFO] [stdout]     |
[INFO] [stdout] 304 |     /// (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: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "22f6e29a982467d62765c212d317c898fccc4540cb81be0cb1102c756f9128ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f6e29a982467d62765c212d317c898fccc4540cb81be0cb1102c756f9128ba", kill_on_drop: false }`
[INFO] [stdout] 22f6e29a982467d62765c212d317c898fccc4540cb81be0cb1102c756f9128ba