[INFO] fetching crate async-task 4.2.0...
[INFO] documenting async-task-4.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate async-task 4.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate async-task 4.2.0 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 async-task 4.2.0
[INFO] finished tweaking crates.io crate async-task 4.2.0
[INFO] tweaked toml for crates.io crate async-task 4.2.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate async-task 4.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flaky_test v0.1.0
[INFO] [stderr]   Downloaded flume v0.10.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ac618e1cf547bcaf4d2951678f62f1a7939a2908bcf52beff6b83be2017408b8
[INFO] running `Command { std: "docker" "start" "-a" "ac618e1cf547bcaf4d2951678f62f1a7939a2908bcf52beff6b83be2017408b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac618e1cf547bcaf4d2951678f62f1a7939a2908bcf52beff6b83be2017408b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac618e1cf547bcaf4d2951678f62f1a7939a2908bcf52beff6b83be2017408b8", kill_on_drop: false }`
[INFO] [stdout] ac618e1cf547bcaf4d2951678f62f1a7939a2908bcf52beff6b83be2017408b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b24df0559483871ca6a5410cafe739c5c08330debbac611cc648db6adb359748
[INFO] running `Command { std: "docker" "start" "-a" "b24df0559483871ca6a5410cafe739c5c08330debbac611cc648db6adb359748", kill_on_drop: false }`
[INFO] [stderr]  Documenting async-task v4.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/utils.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /// https://doc.rust-lang.org/nightly/std/alloc/struct.Layout.html#method.extend
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://doc.rust-lang.org/nightly/std/alloc/struct.Layout.html#method.extend>`
[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/utils.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /// https://doc.rust-lang.org/nightly/std/alloc/struct.Layout.html#method.padding_needed_for
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://doc.rust-lang.org/nightly/std/alloc/struct.Layout.html#method.padding_needed_for>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "b24df0559483871ca6a5410cafe739c5c08330debbac611cc648db6adb359748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b24df0559483871ca6a5410cafe739c5c08330debbac611cc648db6adb359748", kill_on_drop: false }`
[INFO] [stdout] b24df0559483871ca6a5410cafe739c5c08330debbac611cc648db6adb359748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ba5dc3180d35f87664b346b3318c23a8b5c8295c110d982aa653852b2676c70b
[INFO] running `Command { std: "docker" "start" "-a" "ba5dc3180d35f87664b346b3318c23a8b5c8295c110d982aa653852b2676c70b", kill_on_drop: false }`
[INFO] [stderr]  Documenting async-task v4.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/utils.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /// https://doc.rust-lang.org/nightly/std/alloc/struct.Layout.html#method.extend
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://doc.rust-lang.org/nightly/std/alloc/struct.Layout.html#method.extend>`
[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/utils.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /// https://doc.rust-lang.org/nightly/std/alloc/struct.Layout.html#method.padding_needed_for
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://doc.rust-lang.org/nightly/std/alloc/struct.Layout.html#method.padding_needed_for>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "ba5dc3180d35f87664b346b3318c23a8b5c8295c110d982aa653852b2676c70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5dc3180d35f87664b346b3318c23a8b5c8295c110d982aa653852b2676c70b", kill_on_drop: false }`
[INFO] [stdout] ba5dc3180d35f87664b346b3318c23a8b5c8295c110d982aa653852b2676c70b