this derivation will be built:
  /nix/store/sja63azrqv72hy8v25qnf29w5qvnnq3v-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/sja63azrqv72hy8v25qnf29w5qvnnq3v-bcachefs-module-7.0.0-30-generic.drv'...