these 6 derivations will be built:
  /nix/store/05mxjxcw0gbckncyfr2kl9d65drkgfjw-naked-stdenv.drv
  /nix/store/5k46c6gnvnkd1a37v0lndrvplsm4d9qd-builder.pl.drv
  /nix/store/q2ppxw7la4rvi7i4x60296cz8m1k0yyf-devshell-entrypoint.drv
  /nix/store/qsjby3rs8glqlzbdyn94j3zkvglh4l1v-devshell-env.bash.drv
  /nix/store/hz6hh2z2qyqgcgdmyx7dx4hj0dbsadnn-devshell-dir.drv
  /nix/store/yy6m54f3jrjgw0m6dswr2xmx59llvk3d-devshell.drv