this derivation will be built:
  /nix/store/3mhzimg6saik23jwp2bqjkyqnh9v5pfz-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/3mhzimg6saik23jwp2bqjkyqnh9v5pfz-bcachefs-module-7.0.0-38-generic.drv'...