[INFO] fetching crate wgpu 0.6.0...
[INFO] documenting wgpu-0.6.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wgpu 0.6.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate wgpu 0.6.0 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 wgpu 0.6.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate wgpu 0.6.0
[INFO] tweaked toml for crates.io crate wgpu 0.6.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate wgpu 0.6.0 already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded wgpu-subscriber v0.1.0
[INFO] [stderr]   Downloaded ddsfile v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 415c09bed9f6b6e06d2f50454fd50820e4efd91e4ecf08720cf111ea9e4125e5
[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" "415c09bed9f6b6e06d2f50454fd50820e4efd91e4ecf08720cf111ea9e4125e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "415c09bed9f6b6e06d2f50454fd50820e4efd91e4ecf08720cf111ea9e4125e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415c09bed9f6b6e06d2f50454fd50820e4efd91e4ecf08720cf111ea9e4125e5", kill_on_drop: false }`
[INFO] [stdout] 415c09bed9f6b6e06d2f50454fd50820e4efd91e4ecf08720cf111ea9e4125e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 39396da41cf202e92ecc587866538f9efe302cb06a1ca078c92c5acaa489109b
[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" "39396da41cf202e92ecc587866538f9efe302cb06a1ca078c92c5acaa489109b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking inplace_it v0.3.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking wgpu-types v0.6.0
[INFO] [stderr]     Checking spirv_headers v1.4.2
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking tracing v0.1.16
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-memory v0.2.0
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking naga v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking gfx-backend-vulkan v0.6.1
[INFO] [stderr]     Checking wgpu-core v0.6.0
[INFO] [stderr]  Documenting wgpu v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.58s
[INFO] running `Command { std: "docker" "inspect" "39396da41cf202e92ecc587866538f9efe302cb06a1ca078c92c5acaa489109b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39396da41cf202e92ecc587866538f9efe302cb06a1ca078c92c5acaa489109b", kill_on_drop: false }`
[INFO] [stdout] 39396da41cf202e92ecc587866538f9efe302cb06a1ca078c92c5acaa489109b