[INFO] fetching crate big_num 0.1.0...
[INFO] documenting big_num-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate big_num 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate big_num 0.1.0 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 big_num 0.1.0
[INFO] finished tweaking crates.io crate big_num 0.1.0
[INFO] tweaked toml for crates.io crate big_num 0.1.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94f71f8f263b7058a71bad158ec45a6d8af84fcdb4e7385679e0840a6107ac73
[INFO] running `Command { std: "docker" "start" "-a" "94f71f8f263b7058a71bad158ec45a6d8af84fcdb4e7385679e0840a6107ac73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94f71f8f263b7058a71bad158ec45a6d8af84fcdb4e7385679e0840a6107ac73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f71f8f263b7058a71bad158ec45a6d8af84fcdb4e7385679e0840a6107ac73", kill_on_drop: false }`
[INFO] [stdout] 94f71f8f263b7058a71bad158ec45a6d8af84fcdb4e7385679e0840a6107ac73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4d1a5899c436a36167a0d736b9e1be5467caac8670c32b5a51ee931903f17ddd
[INFO] running `Command { std: "docker" "start" "-a" "4d1a5899c436a36167a0d736b9e1be5467caac8670c32b5a51ee931903f17ddd", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]  Documenting big_num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]     --> src/big_int.rs:1457:15
[INFO] [stdout]      |
[INFO] [stdout] 1457 |     /// See:  http://en.wikipedia.org/wiki/Karatsuba_algorithm
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://en.wikipedia.org/wiki/Karatsuba_algorithm>`
[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 2.17s
[INFO] running `Command { std: "docker" "inspect" "4d1a5899c436a36167a0d736b9e1be5467caac8670c32b5a51ee931903f17ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1a5899c436a36167a0d736b9e1be5467caac8670c32b5a51ee931903f17ddd", kill_on_drop: false }`
[INFO] [stdout] 4d1a5899c436a36167a0d736b9e1be5467caac8670c32b5a51ee931903f17ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-05-20" "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] a2c46e21a44b68437ec2831422543c9c0b9e14ad5c7eec0922661bf3cf538bac
[INFO] running `Command { std: "docker" "start" "-a" "a2c46e21a44b68437ec2831422543c9c0b9e14ad5c7eec0922661bf3cf538bac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]  Documenting big_num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]     --> src/big_int.rs:1457:15
[INFO] [stdout]      |
[INFO] [stdout] 1457 |     /// See:  http://en.wikipedia.org/wiki/Karatsuba_algorithm
[INFO] [stdout]      |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://en.wikipedia.org/wiki/Karatsuba_algorithm>`
[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 1.90s
[INFO] running `Command { std: "docker" "inspect" "a2c46e21a44b68437ec2831422543c9c0b9e14ad5c7eec0922661bf3cf538bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c46e21a44b68437ec2831422543c9c0b9e14ad5c7eec0922661bf3cf538bac", kill_on_drop: false }`
[INFO] [stdout] a2c46e21a44b68437ec2831422543c9c0b9e14ad5c7eec0922661bf3cf538bac