for _, q := range queries {
		if q.matchesPackages {
			pkgPatterns = append(pkgPatterns, q.pattern)
		}
	}
	r.checkPackageProblems(ctx, pkgPatterns)

	// Everything succeeded. Update go.mod.
	oldReqs := reqsFromGoMod(modload.ModFile())

	if err := modload.WriteGoMod(ctx, opts); err != nil {
		// A TooNewError can happen for 'go get go@newversion'
		// when all the required modules are old enough