[INFO] fetching crate wgpu-core 0.6.5...
[INFO] checking wgpu-core-0.6.5 against beta for pr-78714
[INFO] extracting crate wgpu-core 0.6.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wgpu-core 0.6.5 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 wgpu-core 0.6.5
[INFO] finished tweaking crates.io crate wgpu-core 0.6.5
[INFO] tweaked toml for crates.io crate wgpu-core 0.6.5 written to /workspace/builds/worker-2/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] 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 938051ac76d56755a66746c4e0ef14f9c780ff87d89130498e790bab003cbaee
[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" "938051ac76d56755a66746c4e0ef14f9c780ff87d89130498e790bab003cbaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "938051ac76d56755a66746c4e0ef14f9c780ff87d89130498e790bab003cbaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938051ac76d56755a66746c4e0ef14f9c780ff87d89130498e790bab003cbaee", kill_on_drop: false }`
[INFO] [stdout] 938051ac76d56755a66746c4e0ef14f9c780ff87d89130498e790bab003cbaee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 82a581f677fe07eccf3fca4861678b91fc1adc9c9405ce10974a8bf17f7223d2
[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" "82a581f677fe07eccf3fca4861678b91fc1adc9c9405ce10974a8bf17f7223d2", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]    Compiling generator v0.6.23
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking loom v0.3.6
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking naga v0.2.0
[INFO] [stderr]     Checking gfx-memory v0.2.2
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.6.5
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking wgpu-core v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.64s
[INFO] running `Command { std: "docker" "inspect" "82a581f677fe07eccf3fca4861678b91fc1adc9c9405ce10974a8bf17f7223d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a581f677fe07eccf3fca4861678b91fc1adc9c9405ce10974a8bf17f7223d2", kill_on_drop: false }`
[INFO] [stdout] 82a581f677fe07eccf3fca4861678b91fc1adc9c9405ce10974a8bf17f7223d2