this derivation will be built:
  /nix/store/5gi17342w9fzj2s74yw5zcfx98v4zyay-bcachefs-module-7.1.5-arch1-2.drv
building '/nix/store/5gi17342w9fzj2s74yw5zcfx98v4zyay-bcachefs-module-7.1.5-arch1-2.drv'...