this derivation will be built:
  /nix/store/f5fz0bifpvr1cwp08ssgwa4806zpz42a-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/f5fz0bifpvr1cwp08ssgwa4806zpz42a-bcachefs-module-7.0.0-39-generic.drv'...