[INFO] fetching crate egui_wgpu_backend 0.3.0...
[INFO] checking egui_wgpu_backend-0.3.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate egui_wgpu_backend 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate egui_wgpu_backend 0.3.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate egui_wgpu_backend 0.3.0
[INFO] finished tweaking crates.io crate egui_wgpu_backend 0.3.0
[INFO] tweaked toml for crates.io crate egui_wgpu_backend 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cb10f3b1a687c43106f8aab89a932e66c278e16fd5ffcdd61a4550743178285
[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" "5cb10f3b1a687c43106f8aab89a932e66c278e16fd5ffcdd61a4550743178285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cb10f3b1a687c43106f8aab89a932e66c278e16fd5ffcdd61a4550743178285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb10f3b1a687c43106f8aab89a932e66c278e16fd5ffcdd61a4550743178285", kill_on_drop: false }`
[INFO] [stdout] 5cb10f3b1a687c43106f8aab89a932e66c278e16fd5ffcdd61a4550743178285
[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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b96284fd764b32f990c045cd6630c3952854043b25cc221e041eab7822c1ea3d
[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" "b96284fd764b32f990c045cd6630c3952854043b25cc221e041eab7822c1ea3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking libloading v0.6.6
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling ahash v0.6.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking egui v0.5.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-memory v0.2.2
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr] error: could not compile `ash`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ash --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ash-0.31.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="libloading"' -C metadata=d57a6ac2771e3a0e -C extra-filename=-d57a6ac2771e3a0e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-0849fa6d19fb07f3.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b96284fd764b32f990c045cd6630c3952854043b25cc221e041eab7822c1ea3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96284fd764b32f990c045cd6630c3952854043b25cc221e041eab7822c1ea3d", kill_on_drop: false }`
[INFO] [stdout] b96284fd764b32f990c045cd6630c3952854043b25cc221e041eab7822c1ea3d