Imports of package worker

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
github.com/containerd/containerd/filtersPackage filters defines a syntax and parser that can be used for the filtration of items across the containerd API.
github.com/moby/buildkit/cache
github.com/moby/buildkit/client
github.com/moby/buildkit/executor
github.com/moby/buildkit/exporter
github.com/moby/buildkit/frontend
github.com/moby/buildkit/frontend/gateway/client
github.com/moby/buildkit/solver
github.com/opencontainers/go-digestPackage digest provides a generalized type to opaquely represent message digests and their operations within the registry.
github.com/opencontainers/image-spec/specs-go/v1
github.com/pkg/errorsPackage errors provides simple error handling primitives.
ioPackage io provides basic interfaces to I/O primitives.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.
timePackage time provides functionality for measuring and displaying time.