[INFO] fetching crate amethyst_rendy 0.15.3...
[INFO] documenting amethyst_rendy-0.15.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate amethyst_rendy 0.15.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate amethyst_rendy 0.15.3 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 amethyst_rendy 0.15.3
[INFO] finished tweaking crates.io crate amethyst_rendy 0.15.3
[INFO] tweaked toml for crates.io crate amethyst_rendy 0.15.3 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] 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] ff08d681f561996837dfaf73500f8abc04d3b89a207a51a06ed981612b53aa91
[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" "ff08d681f561996837dfaf73500f8abc04d3b89a207a51a06ed981612b53aa91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff08d681f561996837dfaf73500f8abc04d3b89a207a51a06ed981612b53aa91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff08d681f561996837dfaf73500f8abc04d3b89a207a51a06ed981612b53aa91", kill_on_drop: false }`
[INFO] [stdout] ff08d681f561996837dfaf73500f8abc04d3b89a207a51a06ed981612b53aa91
[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] 0ca26c08f59044dcd6edccb274e6a6fb62696cd89420a22516b15a96cd0d480a
[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" "0ca26c08f59044dcd6edccb274e6a6fb62696cd89420a22516b15a96cd0d480a", 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]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking colorful v0.2.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking mint v0.5.5
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling inventory v0.1.8
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking amethyst_error v0.15.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking tynm v0.1.4
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking rayon v1.4.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-rational v0.3.0
[INFO] [stderr]     Checking wavefront_obj v6.0.0
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.9
[INFO] [stderr]     Checking genmesh v0.6.2
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc_macro_roids v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling shred-derive v0.6.2
[INFO] [stderr]    Compiling specs-derive v0.4.1
[INFO] [stderr]    Compiling alga_derive v0.9.2
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling inventory-impl v0.1.8
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling gltf-derive v0.15.2
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling glsl-layout-derive v0.3.2
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking shred v0.10.2
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking glsl-layout v0.3.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking specs v0.16.1
[INFO] [stderr]     Checking specs-hierarchy v0.6.0
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking gfx-hal v0.3.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking ron v0.5.1
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking amethyst_config v0.15.3
[INFO] [stderr]     Checking thread_profiler v0.3.0
[INFO] [stderr]     Checking gltf-json v0.15.2
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling amethyst_derive v0.15.3
[INFO] [stderr]     Checking gltf v0.15.2
[INFO] [stderr]     Checking rendy-util v0.4.1
[INFO] [stderr]     Checking rendy-descriptor v0.4.1
[INFO] [stderr]     Checking rendy-memory v0.4.1
[INFO] [stderr]     Checking rendy-chain v0.4.1
[INFO] [stderr]     Checking rendy-resource v0.4.1
[INFO] [stderr]     Checking rendy-command v0.4.1
[INFO] [stderr]     Checking rendy-wsi v0.4.1
[INFO] [stderr]     Checking rendy-factory v0.4.1
[INFO] [stderr]     Checking rendy-frame v0.4.1
[INFO] [stderr]     Checking rendy-shader v0.4.1
[INFO] [stderr]     Checking rendy-mesh v0.4.1
[INFO] [stderr]     Checking rendy-texture v0.4.1
[INFO] [stderr]     Checking rendy-graph v0.4.1
[INFO] [stderr]     Checking rendy v0.4.1
[INFO] [stderr]     Checking amethyst_core v0.15.3
[INFO] [stderr]     Checking amethyst_assets v0.15.3
[INFO] [stderr]  Documenting amethyst_rendy v0.15.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: You must specify at least one graphical backend feature: "metal", "vulkan", "empty"
[INFO] [stdout] "See the wiki article https://book.amethyst.rs/stable/appendices/c_feature_gates.html#graphics-features for more details."
[INFO] [stdout]    --> src/types.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | / impl_backends!(
[INFO] [stdout] 113 | |     // DirectX 12 is currently disabled because of incomplete gfx-hal support for it.
[INFO] [stdout] 114 | |     // It will be re-enabled when it actually works.
[INFO] [stdout] 115 | |     // Dx12, "dx12", rendy::dx12::Backend;
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |     Empty, "empty", rendy::empty::Backend;
[INFO] [stdout] 119 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `amethyst_rendy`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name amethyst_rendy src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern amethyst_assets=/opt/rustwide/target/debug/deps/libamethyst_assets-ee6fbc883ad58a2f.rmeta --extern amethyst_config=/opt/rustwide/target/debug/deps/libamethyst_config-3e95dd268e54d89f.rmeta --extern amethyst_core=/opt/rustwide/target/debug/deps/libamethyst_core-0c270e7390dc2367.rmeta --extern amethyst_derive=/opt/rustwide/target/debug/deps/libamethyst_derive-4afd73cb6baedfe1.so --extern amethyst_error=/opt/rustwide/target/debug/deps/libamethyst_error-a3509bfc0e395760.rmeta --extern approx=/opt/rustwide/target/debug/deps/libapprox-27d66aff96de3c57.rmeta --extern derivative=/opt/rustwide/target/debug/deps/libderivative-2de6aac05536911d.so --extern derive_new=/opt/rustwide/target/debug/deps/libderive_new-86685ee44178487b.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-db4f87b3cc078168.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-0ff73feb7e2c43f7.rmeta --extern genmesh=/opt/rustwide/target/debug/deps/libgenmesh-8786d0debb6c6265.rmeta --extern glsl_layout=/opt/rustwide/target/debug/deps/libglsl_layout-90740f9e51aa71d8.rmeta --extern gltf=/opt/rustwide/target/debug/deps/libgltf-a7b5afd20186edb3.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-95a9d57e67df36ac.rmeta --extern palette=/opt/rustwide/target/debug/deps/libpalette-9d12faea9a7941dd.rmeta --extern rendy=/opt/rustwide/target/debug/deps/librendy-7d5f5ad12a71b4a0.rmeta --extern ron=/opt/rustwide/target/debug/deps/libron-bf732a0587b4613f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-199b613c8176b374.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-44741354b26b7f09.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-cc8e46707ea09364.rmeta --cap-lints=warn --crate-version 0.15.3` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "0ca26c08f59044dcd6edccb274e6a6fb62696cd89420a22516b15a96cd0d480a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca26c08f59044dcd6edccb274e6a6fb62696cd89420a22516b15a96cd0d480a", kill_on_drop: false }`
[INFO] [stdout] 0ca26c08f59044dcd6edccb274e6a6fb62696cd89420a22516b15a96cd0d480a