this derivation will be built:
  /nix/store/4r5bq50l9520rmy85702dwcwz9yshl1n-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/4r5bq50l9520rmy85702dwcwz9yshl1n-bcachefs-module-7.0.0-30-generic.drv'...