[INFO] fetching crate rendy-core 0.5.1...
[INFO] documenting rendy-core-0.5.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rendy-core 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rendy-core 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 rendy-core 0.5.1
[INFO] finished tweaking crates.io crate rendy-core 0.5.1
[INFO] tweaked toml for crates.io crate rendy-core 0.5.1 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa24fa0619cb136508cce2fa3836599fdefb132ebb046ec63cf92740146b3175
[INFO] running `Command { std: "docker" "start" "-a" "fa24fa0619cb136508cce2fa3836599fdefb132ebb046ec63cf92740146b3175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa24fa0619cb136508cce2fa3836599fdefb132ebb046ec63cf92740146b3175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa24fa0619cb136508cce2fa3836599fdefb132ebb046ec63cf92740146b3175", kill_on_drop: false }`
[INFO] [stdout] fa24fa0619cb136508cce2fa3836599fdefb132ebb046ec63cf92740146b3175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6727635257d3425a6e35679ab970a9d31299f10fde5f41fc0ef1b83dc1f31678
[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" "6727635257d3425a6e35679ab970a9d31299f10fde5f41fc0ef1b83dc1f31678", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking thread_profiler v0.3.0
[INFO] [stderr]  Documenting rendy-core v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/types/vertex.rs:171:21
[INFO] [stdout]     |
[INFO] [stdout] 171 |                     (attr.element.offset + attr.element.format.surface_desc().bits as u32 / 8)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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-0.4.1/src/window.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |       /// ```no_run
[INFO] [stdout]     |  _________^
[INFO] [stdout] 219 | |     ///
[INFO] [stdout] 220 | |     /// ```
[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-0.4.1/src/window.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |       /// ```no_run
[INFO] [stdout]     |  _________^
[INFO] [stdout] 270 | |     ///
[INFO] [stdout] 271 | |     /// ```
[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-0.4.1/src/window.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 374 |       /// ```no_run
[INFO] [stdout]     |  _________^
[INFO] [stdout] 375 | |     ///
[INFO] [stdout] 376 | |     /// ```
[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-0.4.1/src/window.rs:421:9
[INFO] [stdout]     |
[INFO] [stdout] 421 |       /// ```no_run
[INFO] [stdout]     |  _________^
[INFO] [stdout] 422 | |     ///
[INFO] [stdout] 423 | |     /// ```
[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-0.4.1/src/window.rs:433:9
[INFO] [stdout]     |
[INFO] [stdout] 433 |       /// ```no_run
[INFO] [stdout]     |  _________^
[INFO] [stdout] 434 | |     ///
[INFO] [stdout] 435 | |     /// ```
[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-0.4.1/src/window.rs:540:9
[INFO] [stdout]     |
[INFO] [stdout] 540 |       /// ```no_run
[INFO] [stdout]     |  _________^
[INFO] [stdout] 541 | |     ///
[INFO] [stdout] 542 | |     /// ```
[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-0.4.1/src/window.rs:559:9
[INFO] [stdout]     |
[INFO] [stdout] 559 |       /// ```no_run
[INFO] [stdout]     |  _________^
[INFO] [stdout] 560 | |     ///
[INFO] [stdout] 561 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.39s
[INFO] running `Command { std: "docker" "inspect" "6727635257d3425a6e35679ab970a9d31299f10fde5f41fc0ef1b83dc1f31678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6727635257d3425a6e35679ab970a9d31299f10fde5f41fc0ef1b83dc1f31678", kill_on_drop: false }`
[INFO] [stdout] 6727635257d3425a6e35679ab970a9d31299f10fde5f41fc0ef1b83dc1f31678