these 3 derivations will be built:
  /nix/store/89bbz3iw9wrj03nkski8v60hybvwfjg2-source.drv
  /nix/store/2j4mm40p3l6hfjys1d1lv2yd9iynjxp8-mcp-remote-0.15.0.drv
  /nix/store/k7wag66z92k4x8f7p9hil7w28x2ic26c-check-mcp-remote.drv