this derivation will be built:
  /nix/store/k4rai25z4w2n67zlc7m77ygh4czm06gh-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/k4rai25z4w2n67zlc7m77ygh4czm06gh-bcachefs-module-7.0.0-39-generic.drv'...