these 5 derivations will be built:
  /nix/store/yl01m3k157bhkwjvrpj8k495kgdf7zq7-source.drv
  /nix/store/8d3azk2aqp3i41n3v8jsr9wgdlm3glnc-ctx-2.2.4-vendor-staging.drv
  /nix/store/cpxqr2iwb98p0jjirh286s3di31yhz08-ctx-2.2.4-vendor.drv
  /nix/store/b90z9wm72did78mdhrpsvpfy01548mkh-ctx-2.2.4.drv
  /nix/store/qdw48gzc0c1i816v9pvdrrwv4gr19bzv-check-ctx.drv