npm install copy-paste -g failed

gistfile1.txt

> ref@0.1.3 install /usr/local/share/npm/lib/node_modules/copy-paste/node_modules/exec-sync/node_modules/ffi/node_modules/ref
> node-gyp rebuild

  CXX(target) Release/obj.target/binding/src/binding.o
  SOLINK_MODULE(target) Release/binding.node
  SOLINK_MODULE(target) Release/binding.node: Finished

> ffi@1.1.2 install /usr/local/share/npm/lib/node_modules/copy-paste/node_modules/exec-sync/node_modules/ffi
> node-gyp rebuild

  CC(target) Release/obj.target/ffi/deps/libffi/src/prep_cif.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/types.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/raw_api.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/java_raw_api.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/closures.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/x86/ffi.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/x86/ffi64.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/x86/darwin.o
  CC(target) Release/obj.target/ffi/deps/libffi/src/x86/darwin64.o
  LIBTOOL-STATIC Release/libffi.a
  CXX(target) Release/obj.target/ffi_bindings/src/ffi.o
  CXX(target) Release/obj.target/ffi_bindings/src/callback_info.o
  CXX(target) Release/obj.target/ffi_bindings/src/threaded_callback_invokation.o
  SOLINK_MODULE(target) Release/ffi_bindings.node
  SOLINK_MODULE(target) Release/ffi_bindings.node: Finished
copy-paste@0.0.4 /usr/local/share/npm/lib/node_modules/copy-paste
└── exec-sync@0.1.5 (ffi@1.1.2)