Error al instalar bcrypt con npm

No puedo instalarbcrypt utilizandonpm en mi máquina porque encuentro los siguientes errores. He estado solucionando el problema sin mucha suerte. ¿Me puede recomendar algún paso para diagnosticar o solucionar el problema para que pueda ejecutarnpm install bcrypt ¿exitosamente?

Someones-Macbook:node_modules Cody$ npm install bcrypt
npm WARN package.json [email protected] No README data
|
> [email protected] install /Applications/MAMP/htdocs/richintime/ultimate-seed/node_modules/bcrypt
> node-gyp rebuild

child_process: customFds option is deprecated, use stdio instead.
  CXX(target) Release/obj.target/bcrypt_lib/src/blowfish.o
  CXX(target) Release/obj.target/bcrypt_lib/src/bcrypt.o
  CXX(target) Release/obj.target/bcrypt_lib/src/bcrypt_node.o
../src/bcrypt_node.cc:118:18: error: no member named 'Dispose' in 'v8::Persistent<v8::Function, v8::NonCopyablePersistentTraits<v8::Function>
      >'
        callback.Dispose();
        ~~~~~~~~ ^
../src/bcrypt_node.cc:202:19: error: unknown type name 'uv_work_t'
void GenSaltAsync(uv_work_t* req) {
                  ^
../src/bcrypt_node.cc:219:24: error: unknown type name 'uv_work_t'
void GenSaltAsyncAfter(uv_work_t* req) {
                       ^
../src/bcrypt_node.cc:220:17: error: calling a protected constructor of class 'v8::HandleScope'
    HandleScope scope;
                ^
/Users/Cody/.node-gyp/0.12.0/deps/v8/include/v8.h:816:13: note: declared protected here
  V8_INLINE HandleScope() {}
            ^
../src/bcrypt_node.cc:228:44: error: no member named 'New' in 'v8::String'
        argv[0] = Exception::Error(String::New(baton->error.c_str()));
                                   ~~~~~~~~^
../src/bcrypt_node.cc:229:19: error: no matching function for call to 'Undefined'
        argv[1] = Undefined();
                  ^~~~~~~~~
/Users/Cody/.node-gyp/0.12.0/deps/v8/include/v8.h:305:28: note: candidate function not viable: requires single argument 'isolate', but no
      arguments were provided
  friend Handle<Primitive> Undefined(Isolate* isolate);
                           ^
../src/bcrypt_node.cc:232:19: error: no matching function for call to 'Undefined'
        argv[0] = Undefined();
                  ^~~~~~~~~
/Users/Cody/.node-gyp/0.12.0/deps/v8/include/v8.h:305:28: note: candidate function not viable: requires single argument 'isolate', but no
      arguments were provided
  friend Handle<Primitive> Undefined(Isolate* isolate);
                           ^
../src/bcrypt_node.cc:238:20: error: member reference type 'v8::Persistent<v8::Function>' is not a pointer; maybe you meant to use '.'?
    baton->callback->Call(Context::GetCurrent()->Global(), 2, argv);
    ~~~~~~~~~~~~~~~^~
                   .
../src/bcrypt_node.cc:238:22: error: no member named 'Call' in 'v8::Persistent<v8::Function, v8::NonCopyablePersistentTraits<v8::Function> >'
    baton->callback->Call(Context::GetCurrent()->Global(), 2, argv);
    ~~~~~~~~~~~~~~~  ^
../src/bcrypt_node.cc:238:36: error: no member named 'GetCurrent' in 'v8::Context'
    baton->callback->Call(Context::GetCurrent()->Global(), 2, argv);
                          ~~~~~~~~~^
../src/bcrypt_node.cc:246:34: error: unknown type name 'Arguments'; did you mean 'v8::internal::Arguments'?
Handle<Value> GenerateSalt(const Arguments &args) {
                                 ^~~~~~~~~
                                 v8::internal::Arguments
/Users/Cody/.node-gyp/0.12.0/deps/v8/include/v8.h:127:7: note: 'v8::internal::Arguments' declared here
class Arguments;
      ^
../src/bcrypt_node.cc:247:17: error: calling a protected constructor of class 'v8::HandleScope'
    HandleScope scope;
                ^
/Users/Cody/.node-gyp/0.12.0/deps/v8/include/v8.h:816:13: note: declared protected here
  V8_INLINE HandleScope() {}
            ^
../src/bcrypt_node.cc:249:32: error: type 'const v8::internal::Arguments' does not provide a subscript operator
    const ssize_t rounds = args[0]->Int32Value();
                           ~~~~^~
../src/bcrypt_node.cc:250:30: error: type 'const v8::internal::Arguments' does not provide a subscript operator
    const int rand_len = args[1]->Int32Value();
                         ~~~~^~
../src/bcrypt_node.cc:251:58: error: type 'const v8::internal::Arguments' does not provide a subscript operator
    Local<Function> callback = Local<Function>::Cast(args[2]);
                                                     ~~~~^~
../src/bcrypt_node.cc:255:45: error: 'New' is a private member of 'v8::PersistentBase<v8::Function>'
    baton->callback = Persistent<Function>::New(callback);
                                            ^
/Users/Cody/.node-gyp/0.12.0/deps/v8/include/v8.h:572:23: note: declared private here
  V8_INLINE static T* New(Isolate* isolate, T* that);
                      ^
../src/bcrypt_node.cc:255:57: error: too few arguments to function call, expected 2, have 1
    baton->callback = Persistent<Function>::New(callback);
                      ~~~~~~~~~~~~~~~~~~~~~~~~~         ^
/Users/Cody/.node-gyp/0.12.0/deps/v8/include/v8.h:572:3: note: 'New' declared here
  V8_INLINE static T* New(Isolate* isolate, T* that);
  ^
/Users/Cody/.node-gyp/0.12.0/deps/v8/include/v8config.h:289:20: note: expanded from macro 'V8_INLINE'
# define V8_INLINE inline __attribute__((always_inline))
                   ^
../src/bcrypt_node.cc:259:5: error: unknown type name 'uv_work_t'
    uv_work_t* req = new uv_work_t;
    ^
../src/bcrypt_node.cc:259:26: error: unknown type name 'uv_work_t'
    uv_work_t* req = new uv_work_t;
                         ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
make: *** [Release/obj.target/bcrypt_lib/src/bcrypt_node.o] Error 1
gyp ERR! build error 
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:267:23)
gyp ERR! stack     at ChildProcess.emit (events.js:110:17)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (child_process.js:1067:12)
gyp ERR! System Darwin 13.4.0
gyp ERR! command "node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /Applications/MAMP/htdocs/richintime/ultimate-seed/node_modules/bcrypt
gyp ERR! node -v v0.12.0
gyp ERR! node-gyp -v v1.0.2
gyp ERR! not ok 
npm ERR! Darwin 13.4.0
npm ERR! argv "node" "/usr/local/bin/npm" "install" "bcrypt"
npm ERR! node v0.12.0
npm ERR! npm  v2.7.1
npm ERR! code ELIFECYCLE

npm ERR! [email protected] install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the [email protected] install script 'node-gyp rebuild'.
npm ERR! This is most likely a problem with the bcrypt package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node-gyp rebuild

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