this derivation will be built:
  /nix/store/ci2cs4y5frwqzy87dnd1acy681j2ri05-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/ci2cs4y5frwqzy87dnd1acy681j2ri05-bcachefs-module-7.0.0-38-generic.drv'...