[INFO] fetching crate amethyst_utils 0.15.3...
[INFO] checking amethyst_utils-0.15.3 against beta for pr-78714
[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 beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+beta" "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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24562595b012fd695733febfcb9274b171936f1927533bcfee816d84de6a69b7
[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" "24562595b012fd695733febfcb9274b171936f1927533bcfee816d84de6a69b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24562595b012fd695733febfcb9274b171936f1927533bcfee816d84de6a69b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24562595b012fd695733febfcb9274b171936f1927533bcfee816d84de6a69b7", kill_on_drop: false }`
[INFO] [stdout] 24562595b012fd695733febfcb9274b171936f1927533bcfee816d84de6a69b7
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 65cf62600d958fa4cf3f38748e01a5f8a909709a8ca514e08a106c89e862d4f6
[INFO] running `Command { std: "docker" "start" "-a" "65cf62600d958fa4cf3f38748e01a5f8a909709a8ca514e08a106c89e862d4f6", kill_on_drop: false }`
[INFO] [stderr]     Checking atom v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
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[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling edit-distance v2.1.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]     Checking libloading v0.6.5
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking gif v0.10.3
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[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking amethyst_error v0.15.3
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[INFO] [stderr]    Compiling proc_macro_roids v0.7.0
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[INFO] [stderr]    Compiling derivative v2.1.1
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[INFO] [stderr]    Compiling err-derive v0.2.4
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[INFO] [stderr]     Checking num-iter v0.1.42
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[INFO] [stderr]    Compiling palette v0.4.1
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[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking tiff v0.2.2
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[INFO] [stderr]     Checking andrew v0.2.1
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[INFO] [stderr]     Checking genmesh v0.6.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking gfx-hal v0.3.1
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[INFO] [stderr]     Checking image v0.21.3
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[INFO] [stderr]    Compiling toml v0.5.7
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[INFO] [stderr]     Checking gltf-json v0.15.2
[INFO] [stderr]     Checking specs v0.16.1
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]     Checking specs-hierarchy v0.6.0
[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 smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking rendy-util v0.4.1
[INFO] [stderr]     Checking rendy-memory v0.4.1
[INFO] [stderr]     Checking rendy-descriptor 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 a macro (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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "65cf62600d958fa4cf3f38748e01a5f8a909709a8ca514e08a106c89e862d4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65cf62600d958fa4cf3f38748e01a5f8a909709a8ca514e08a106c89e862d4f6", kill_on_drop: false }`
[INFO] [stdout] 65cf62600d958fa4cf3f38748e01a5f8a909709a8ca514e08a106c89e862d4f6