[INFO] fetching crate serde-field-with 0.1.2...
[INFO] documenting serde-field-with-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate serde-field-with 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serde-field-with 0.1.2 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 crates.io crate serde-field-with 0.1.2
[INFO] finished tweaking crates.io crate serde-field-with 0.1.2
[INFO] tweaked toml for crates.io crate serde-field-with 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a0f89c8cb3e29b2f7d5900ffc1caace2845c2b658dae88d47a00737d5461d5fa
[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" "a0f89c8cb3e29b2f7d5900ffc1caace2845c2b658dae88d47a00737d5461d5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0f89c8cb3e29b2f7d5900ffc1caace2845c2b658dae88d47a00737d5461d5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f89c8cb3e29b2f7d5900ffc1caace2845c2b658dae88d47a00737d5461d5fa", kill_on_drop: false }`
[INFO] [stdout] a0f89c8cb3e29b2f7d5900ffc1caace2845c2b658dae88d47a00737d5461d5fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5e5f83dd1e7309cf6477c4e84b344104dd2d7849e5ab7afbe3e4174a1ce2c51
[INFO] running `Command { std: "docker" "start" "-a" "c5e5f83dd1e7309cf6477c4e84b344104dd2d7849e5ab7afbe3e4174a1ce2c51", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]  Documenting serde-field-with v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/to_and_from_string.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! https://doc.rust-lang.org/rust-by-example/conversion/string.html
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://doc.rust-lang.org/rust-by-example/conversion/string.html>`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `Command { std: "docker" "inspect" "c5e5f83dd1e7309cf6477c4e84b344104dd2d7849e5ab7afbe3e4174a1ce2c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e5f83dd1e7309cf6477c4e84b344104dd2d7849e5ab7afbe3e4174a1ce2c51", kill_on_drop: false }`
[INFO] [stdout] c5e5f83dd1e7309cf6477c4e84b344104dd2d7849e5ab7afbe3e4174a1ce2c51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "--all-features" "--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] e2d666409cb6725fcdc3634f28d8e87c32e9a26853eb23adeb41ff9fe82285e6
[INFO] running `Command { std: "docker" "start" "-a" "e2d666409cb6725fcdc3634f28d8e87c32e9a26853eb23adeb41ff9fe82285e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]  Documenting serde-field-with v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/to_and_from_string.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! https://doc.rust-lang.org/rust-by-example/conversion/string.html
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://doc.rust-lang.org/rust-by-example/conversion/string.html>`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `Command { std: "docker" "inspect" "e2d666409cb6725fcdc3634f28d8e87c32e9a26853eb23adeb41ff9fe82285e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d666409cb6725fcdc3634f28d8e87c32e9a26853eb23adeb41ff9fe82285e6", kill_on_drop: false }`
[INFO] [stdout] e2d666409cb6725fcdc3634f28d8e87c32e9a26853eb23adeb41ff9fe82285e6