% go install github.com/jakexks/go-providence-checker@main
go install github.com/jakexks/go-providence-checker@main:
module github.com/jakexks/go-providence-checker@main found
(v0.0.0-20210127121906-b08ba766bc2d), but does not contain
package github.com/jakexks/go-providence-checker
The module is not installable, not sure why: