# Pastebin feHkJHOJ
$ nix-env -f https://github.com/obsidiansystems/obelisk/archive/master.tar.gz -iA command
$ ob -v --show-trace
dyld: Library not loaded: /usr/lib/system/libsystem_network.dylib
  Referenced from: /nix/store/h28a6m6w5rdb7v6ghvai4lzzyrjspxlz-Libsystem-osx-10.11.6/lib/libSystem.B.dylib
  Reason: image not found
builder for '/nix/store/m5rzavpb5p4ghnlddyxg001q1pf1hrhn-remove-references-to.drv' failed due to signal 6 (Abort trap: 6)
cannot build derivation '/nix/store/7g24gsxamh5cxqad5qrwqn5fqkvncj71-cabal2nix-2.5.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/qg60h5bijy5z5i0wnmial1xwhbrrjsip-cabal2nix-obelisk-command.drv': 1 dependencies couldn't be built
error: build of '/nix/store/qg60h5bijy5z5i0wnmial1xwhbrrjsip-cabal2nix-obelisk-command.drv' failed
(use '--show-trace' to show detailed location information)