[INFO] fetching crate build-target 0.4.0...
[INFO] documenting build-target-0.4.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate build-target 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate build-target 0.4.0 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 build-target 0.4.0
[INFO] finished tweaking crates.io crate build-target 0.4.0
[INFO] tweaked toml for crates.io crate build-target 0.4.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] b636c2bf8b9bb50d276d4b7c4d279fc4bf74aaf3b763f9d6d38c3fad98b6570d
[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" "b636c2bf8b9bb50d276d4b7c4d279fc4bf74aaf3b763f9d6d38c3fad98b6570d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b636c2bf8b9bb50d276d4b7c4d279fc4bf74aaf3b763f9d6d38c3fad98b6570d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b636c2bf8b9bb50d276d4b7c4d279fc4bf74aaf3b763f9d6d38c3fad98b6570d", kill_on_drop: false }`
[INFO] [stdout] b636c2bf8b9bb50d276d4b7c4d279fc4bf74aaf3b763f9d6d38c3fad98b6570d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2e06e50417f92427c902fad33b19d82debd147d6dcd893c1f2a006e8f1651b69
[INFO] running `Command { std: "docker" "start" "-a" "2e06e50417f92427c902fad33b19d82debd147d6dcd893c1f2a006e8f1651b69", kill_on_drop: false }`
[INFO] [stderr]  Documenting build-target v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `std::str::to_ascii_lowercase`
[INFO] [stdout]  --> src/utils.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | /// Equivalent to [`std::str::to_ascii_lowercase`] but does not allocate if the string is already lowercase and
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `to_ascii_lowercase` in module `str`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `std::str::to_ascii_lowercase`
[INFO] [stdout]   --> src/utils.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// Equivalent to [`std::str::to_ascii_lowercase`] but does not allocate if the string is already lowercase.
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `to_ascii_lowercase` in module `str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "2e06e50417f92427c902fad33b19d82debd147d6dcd893c1f2a006e8f1651b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e06e50417f92427c902fad33b19d82debd147d6dcd893c1f2a006e8f1651b69", kill_on_drop: false }`
[INFO] [stdout] 2e06e50417f92427c902fad33b19d82debd147d6dcd893c1f2a006e8f1651b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] dc16563802cda2afabe10eab16c92b0f1abc24a8c995d42c753e47efb9a972f2
[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" "dc16563802cda2afabe10eab16c92b0f1abc24a8c995d42c753e47efb9a972f2", kill_on_drop: false }`
[INFO] [stderr]  Documenting build-target v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `std::str::to_ascii_lowercase`
[INFO] [stdout]  --> src/utils.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | /// Equivalent to [`std::str::to_ascii_lowercase`] but does not allocate if the string is already lowercase and
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `to_ascii_lowercase` in module `str`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `std::str::to_ascii_lowercase`
[INFO] [stdout]   --> src/utils.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// Equivalent to [`std::str::to_ascii_lowercase`] but does not allocate if the string is already lowercase.
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `to_ascii_lowercase` in module `str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "dc16563802cda2afabe10eab16c92b0f1abc24a8c995d42c753e47efb9a972f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc16563802cda2afabe10eab16c92b0f1abc24a8c995d42c753e47efb9a972f2", kill_on_drop: false }`
[INFO] [stdout] dc16563802cda2afabe10eab16c92b0f1abc24a8c995d42c753e47efb9a972f2