# Pastebin X10LBWMY
building '/nix/store/5gy7x0nzzx79cnflk85mh75z52c9cpfz-ruby2.4.3-rugged-0.26.0.drv'...
unpacking sources
patching sources
configuring
fixing cmake files...
cmake flags: -DCMAKE_BUILD_TYPE=Release -DCMAKE_SKIP_BUILD_RPATH=ON -DCMAKE_INSTALL_INCLUDEDIR=/nix/store/qqy0cn65s0zfg6s5i8yhwnmv6r3yaviw-ruby2.4.3-rugged-0.26.0/include -DCMAKE_INSTALL_LIBDIR=/nix/store/qqy0cn65s0zfg6s5i8yhwnmv6r3yaviw-ruby2.4.3-rugged-0.26.0/lib -DCMAKE_INSTALL_NAME_DIR=/nix/store/qqy0cn65s0zfg6s5i8yhwnmv6r3yaviw-ruby2.4.3-rugged-0.26.0/lib -DCMAKE_INSTALL_PREFIX=/nix/store/qqy0cn65s0zfg6s5i8yhwnmv6r3yaviw-ruby2.4.3-rugged-0.26.0
CMake Error: The source directory "/build" does not appear to contain CMakeLists.txt.
Specify --help for usage, or press the help button on the CMake GUI.