these 12 derivations will be built:
  /nix/store/sp5aics9xkws9mbkdkkcfvf6j49rjli5-libva-minimal-1.8.3.drv
  /nix/store/0fjb9sspkfk02ldjgwm8m4mg1r4vg0if-libva-1.8.3.drv
  /nix/store/7xfc866wc8xpx936xp3sd2insnxznm2i-profile.drv
  /nix/store/d76h4h3z1k80jpg8p34z8hyfab1m22rp-steam-wrapper.sh.drv
  /nix/store/94cavwqd5bvq8531f2jybh3bpv0m5yrc-steam-init.drv
  /nix/store/9l58iby7ihjk9y0qqaw1g0b3lcmkm2iy-steam_1.0.0.74.tar.gz.drv
  /nix/store/rsd0004r4jq6n1zzps3w89zilrd3gcml-steam-chrootenv-etc.drv
  /nix/store/vhr8fxz7pv28sw6g6629sj5xkdbp2vnp-steam-original-1.0.0.74.drv
  /nix/store/dx105ng9qvhkj3mfksvhpllc47i148ak-steam-usr-target.drv
  /nix/store/dcs0vjbf55wbgk52n879r75vw4ycl0lv-steam-fhs.drv
  /nix/store/mdv62sh1jm5fs6q1748pxg011hqd00q5-steam.drv
  /nix/store/pjznmxxmyn4biwxmagd4bk9gnxfldbg3-steam.drv
this path will be fetched (38.1 KiB download, 153.3 KiB unpacked):
  /nix/store/cdadch7f84j0l2s8f9628kdld6lfv37q-glxinfo-8.4.0