this derivation will be built:
  /nix/store/n4sgajc78b3iz1gm3yiy08352r1cr4kl-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/n4sgajc78b3iz1gm3yiy08352r1cr4kl-bcachefs-module-7.0.0-26-generic.drv'...