these 2 derivations will be built:
  /nix/store/wzqsvaybdd7cvd1csa5hznbnslh98cv6-ck-0.8.1.drv
  /nix/store/6h56ls7w787b8qkimrjaqh6j9af2i9ga-check-ck.drv
these 2 paths will be fetched (14.0 KiB download, 62.4 KiB unpacked):
  /nix/store/5qkhja78q06rgq5ra4fplghy57x7mchb-oniguruma-6.9.10
  /nix/store/yzx632p77x1g9hdgqg2jxhxn34bz9lxd-oniguruma-6.9.10-dev