[INFO] fetching crate amethyst_utils 0.15.3...
[INFO] checking amethyst_utils-0.15.3 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate amethyst_utils 0.15.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate amethyst_utils 0.15.3 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amethyst_utils 0.15.3
[INFO] finished tweaking crates.io crate amethyst_utils 0.15.3
[INFO] tweaked toml for crates.io crate amethyst_utils 0.15.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc700f38705425153c3d40de3cc5ec8030fcbd072e5d32906cddeb8f59696bbf
[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" "cc700f38705425153c3d40de3cc5ec8030fcbd072e5d32906cddeb8f59696bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc700f38705425153c3d40de3cc5ec8030fcbd072e5d32906cddeb8f59696bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc700f38705425153c3d40de3cc5ec8030fcbd072e5d32906cddeb8f59696bbf", kill_on_drop: false }`
[INFO] [stdout] cc700f38705425153c3d40de3cc5ec8030fcbd072e5d32906cddeb8f59696bbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad72d3bc85f024b1a58256b7e4c4c4d8b64cb1418f187fce7d11e89b5f52d048
[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" "ad72d3bc85f024b1a58256b7e4c4c4d8b64cb1418f187fce7d11e89b5f52d048", kill_on_drop: false }`
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[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling toml v0.5.8
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[INFO] [stderr]     Checking amethyst_config v0.15.3
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[INFO] [stderr]     Checking gltf-json v0.15.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
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[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-texture v0.4.1
[INFO] [stderr]     Checking rendy-mesh 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_window v0.15.3
[INFO] [stderr]     Checking amethyst_assets v0.15.3
[INFO] [stderr]     Checking amethyst_input v0.15.3
[INFO] [stderr]     Checking amethyst_rendy v0.15.3
[INFO] [stderr]     Checking amethyst_controls v0.15.3
[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]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/amethyst_rendy-0.15.3/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 the macro `static_assertions::assert_cfg` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amethyst_rendy` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ad72d3bc85f024b1a58256b7e4c4c4d8b64cb1418f187fce7d11e89b5f52d048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad72d3bc85f024b1a58256b7e4c4c4d8b64cb1418f187fce7d11e89b5f52d048", kill_on_drop: false }`
[INFO] [stdout] ad72d3bc85f024b1a58256b7e4c4c4d8b64cb1418f187fce7d11e89b5f52d048