this derivation will be built:
  /nix/store/l2cxkfk0df61pql4kblpgn45iyzixy0x-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/l2cxkfk0df61pql4kblpgn45iyzixy0x-bcachefs-module-7.0.0-14-generic.drv'...