this derivation will be built:
  /nix/store/0lss8smi6fx7856a3b0x25aalmh6a7dv-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/0lss8smi6fx7856a3b0x25aalmh6a7dv-bcachefs-module-7.0.0-39-generic.drv'...