this derivation will be built:
  /nix/store/lz8j3b0m2bgawy232h6lpk1azva0iscv-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/lz8j3b0m2bgawy232h6lpk1azva0iscv-bcachefs-module-7.0.0-31-generic.drv'...