[INFO] fetching crate gfx-backend-gl 0.5.1...
[INFO] documenting gfx-backend-gl-0.5.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate gfx-backend-gl 0.5.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gfx-backend-gl 0.5.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gfx-backend-gl 0.5.1
[INFO] finished tweaking crates.io crate gfx-backend-gl 0.5.1
[INFO] tweaked toml for crates.io crate gfx-backend-gl 0.5.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glutin v0.23.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe879c51c8bc75d725f12170255a7cd9abaeb6bb69b1561dcb1eb8031128a03f
[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" "fe879c51c8bc75d725f12170255a7cd9abaeb6bb69b1561dcb1eb8031128a03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe879c51c8bc75d725f12170255a7cd9abaeb6bb69b1561dcb1eb8031128a03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe879c51c8bc75d725f12170255a7cd9abaeb6bb69b1561dcb1eb8031128a03f", kill_on_drop: false }`
[INFO] [stdout] fe879c51c8bc75d725f12170255a7cd9abaeb6bb69b1561dcb1eb8031128a03f
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e092ea8324581460ac953eb2e5186e21ae3843845ac3a8086c6e334db695ab0e
[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" "e092ea8324581460ac953eb2e5186e21ae3843845ac3a8086c6e334db695ab0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling spirv_cross v0.20.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gfx-backend-gl v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling glow v0.4.0
[INFO] [stderr]     Checking gfx-auxil v0.4.0
[INFO] [stderr]  Documenting gfx-backend-gl v0.5.1 (/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 48.76s
[INFO] running `Command { std: "docker" "inspect" "e092ea8324581460ac953eb2e5186e21ae3843845ac3a8086c6e334db695ab0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e092ea8324581460ac953eb2e5186e21ae3843845ac3a8086c6e334db695ab0e", kill_on_drop: false }`
[INFO] [stdout] e092ea8324581460ac953eb2e5186e21ae3843845ac3a8086c6e334db695ab0e