[INFO] fetching crate gfx-backend-vulkan 0.5.9...
[INFO] documenting gfx-backend-vulkan-0.5.9 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate gfx-backend-vulkan 0.5.9 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gfx-backend-vulkan 0.5.9 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gfx-backend-vulkan 0.5.9
[INFO] finished tweaking crates.io crate gfx-backend-vulkan 0.5.9
[INFO] tweaked toml for crates.io crate gfx-backend-vulkan 0.5.9 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] aa4a7d2ec27381626346fbb088384b43347ebb86067308ebe3e97a9a6a29323c
[INFO] running `Command { std: "docker" "start" "-a" "aa4a7d2ec27381626346fbb088384b43347ebb86067308ebe3e97a9a6a29323c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa4a7d2ec27381626346fbb088384b43347ebb86067308ebe3e97a9a6a29323c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4a7d2ec27381626346fbb088384b43347ebb86067308ebe3e97a9a6a29323c", kill_on_drop: false }`
[INFO] [stdout] aa4a7d2ec27381626346fbb088384b43347ebb86067308ebe3e97a9a6a29323c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] a1f4b66eddcdb78d4a917fcb569bd501e5b29845d0b13f2f16c30ce5596832b3
[INFO] running `Command { std: "docker" "start" "-a" "a1f4b66eddcdb78d4a917fcb569bd501e5b29845d0b13f2f16c30ce5596832b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking gfx-hal v0.5.3
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]  Documenting gfx-backend-vulkan v0.5.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-hal-0.5.3/src/window.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |       /// ```no_run
[INFO] [stdout]     |  _________^
[INFO] [stdout] 233 | |     ///
[INFO] [stdout] 234 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-hal-0.5.3/src/window.rs:283:9
[INFO] [stdout]     |
[INFO] [stdout] 283 |       /// ```no_run
[INFO] [stdout]     |  _________^
[INFO] [stdout] 284 | |     ///
[INFO] [stdout] 285 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-hal-0.5.3/src/window.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 |       /// ```no_run
[INFO] [stdout]     |  _________^
[INFO] [stdout] 577 | |     ///
[INFO] [stdout] 578 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-hal-0.5.3/src/window.rs:595:9
[INFO] [stdout]     |
[INFO] [stdout] 595 |       /// ```no_run
[INFO] [stdout]     |  _________^
[INFO] [stdout] 596 | |     ///
[INFO] [stdout] 597 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.05s
[INFO] running `Command { std: "docker" "inspect" "a1f4b66eddcdb78d4a917fcb569bd501e5b29845d0b13f2f16c30ce5596832b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f4b66eddcdb78d4a917fcb569bd501e5b29845d0b13f2f16c30ce5596832b3", kill_on_drop: false }`
[INFO] [stdout] a1f4b66eddcdb78d4a917fcb569bd501e5b29845d0b13f2f16c30ce5596832b3