this derivation will be built:
  /nix/store/78d09344cay7zm5whxqnmfqkmpq1w4kr-bcachefs-module-7.0.0-38-generic-64k.drv
building '/nix/store/78d09344cay7zm5whxqnmfqkmpq1w4kr-bcachefs-module-7.0.0-38-generic-64k.drv'...