this derivation will be built:
  /nix/store/c747r3qkv7sdyn52jwcj19vx2b3h9liw-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/c747r3qkv7sdyn52jwcj19vx2b3h9liw-bcachefs-module-7.0.0-14-generic.drv'...