buildx failed with: ERROR: failed to solve: process "/bin/sh -c go run build.go build && mv /go/src/github.com/credativ/plutono/bin/linux-$(go env GOARCH)/plutono-server /go/src/github.com/credativ/plutono/bin/ && mv /go/src/github.com/credativ/plutono/bin/linux-$(go env GOARCH)/plutono-cli /go/src/github.com/credativ/plutono/bin/" did not complete successfully: exit code: 1