this derivation will be built:
  /nix/store/cnw4bk6q2wcl1289ijc3bm2law6g5467-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/cnw4bk6q2wcl1289ijc3bm2law6g5467-bcachefs-module-7.0.0-30-generic.drv'...