this derivation will be built:
  /nix/store/pcmd3kcy221swi7wfi3bbjrhgwx0hiy0-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/pcmd3kcy221swi7wfi3bbjrhgwx0hiy0-bcachefs-module-7.0.0-38-generic.drv'...