this derivation will be built:
  /nix/store/i71w71cspzmx416s3vgvxgir8i2yf5qr-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/i71w71cspzmx416s3vgvxgir8i2yf5qr-bcachefs-module-7.0.0-29-generic.drv'...