Path: /tmp/r-test/.guix-profile Label: R 3.6.0, via guix time-machine Path: /gnu/store/n2d6zci0s0p9g3bxlr3vbmb1462savx8-r-minimal-4.0.4 Label: R 4.0.4, my default Path: /gnu/store/p1ryxmssfx9syz7y6js1vxsjz9p7dj1g-r-minimal-3.6.0 Label: direct R 3.6.0, via guix time-machine