[INFO] fetching crate libusb 0.3.0...
[INFO] documenting libusb-0.3.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate libusb 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libusb 0.3.0 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 libusb 0.3.0
[INFO] finished tweaking crates.io crate libusb 0.3.0
[INFO] tweaked toml for crates.io crate libusb 0.3.0 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 990f3e815106477825315ef76fce530b39b0660fc361ccd3723a302766026870
[INFO] running `Command { std: "docker" "start" "-a" "990f3e815106477825315ef76fce530b39b0660fc361ccd3723a302766026870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "990f3e815106477825315ef76fce530b39b0660fc361ccd3723a302766026870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990f3e815106477825315ef76fce530b39b0660fc361ccd3723a302766026870", kill_on_drop: false }`
[INFO] [stdout] 990f3e815106477825315ef76fce530b39b0660fc361ccd3723a302766026870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] b295f98f528c98fc09e1685ec9e08505567d05a99932bceb5b0cd967628e1e2d
[INFO] running `Command { std: "docker" "start" "-a" "b295f98f528c98fc09e1685ec9e08505567d05a99932bceb5b0cd967628e1e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]  Documenting libusb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/language.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |     /// (http://www.usb.org/developers/docs/USB_LANGIDs.pdf).
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.usb.org/developers/docs/USB_LANGIDs.pdf>`
[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 3.37s
[INFO] running `Command { std: "docker" "inspect" "b295f98f528c98fc09e1685ec9e08505567d05a99932bceb5b0cd967628e1e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b295f98f528c98fc09e1685ec9e08505567d05a99932bceb5b0cd967628e1e2d", kill_on_drop: false }`
[INFO] [stdout] b295f98f528c98fc09e1685ec9e08505567d05a99932bceb5b0cd967628e1e2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 20781a89dc98f35991b8381d7b31bb65b28e1c1262b2bc4ae3f356ecaeb9798f
[INFO] running `Command { std: "docker" "start" "-a" "20781a89dc98f35991b8381d7b31bb65b28e1c1262b2bc4ae3f356ecaeb9798f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]  Documenting libusb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/language.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |     /// (http://www.usb.org/developers/docs/USB_LANGIDs.pdf).
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.usb.org/developers/docs/USB_LANGIDs.pdf>`
[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 3.10s
[INFO] running `Command { std: "docker" "inspect" "20781a89dc98f35991b8381d7b31bb65b28e1c1262b2bc4ae3f356ecaeb9798f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20781a89dc98f35991b8381d7b31bb65b28e1c1262b2bc4ae3f356ecaeb9798f", kill_on_drop: false }`
[INFO] [stdout] 20781a89dc98f35991b8381d7b31bb65b28e1c1262b2bc4ae3f356ecaeb9798f