this derivation will be built:
  /nix/store/kk2m3qkpfc26mvy7q0i3jpp2c055i1hd-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/kk2m3qkpfc26mvy7q0i3jpp2c055i1hd-bcachefs-module-7.0.0-38-generic.drv'...