xcode compile error

gistfile1.txt

ProcessPCH /Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Intermediates/PrecompiledHeaders/Pods-SampleAppTests-prefix-afzytlccheysyvcabsvkioekccyy/Pods-SampleAppTests-prefix.pch.pth Pods-SampleAppTests-prefix.pch normal i386 objective-c com.apple.compilers.llvm.clang.1_0.compiler
    cd /Users/siuying/Documents/workspace/SampleApp/Pods
    setenv LANG en_US.US-ASCII
    setenv PATH "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/local/bin:/usr/local/heroku/bin:/Users/siuying/.rvm/gems/ruby-2.0.0-p0/bin:/Users/siuying/.rvm/gems/ruby-2.0.0-p0@global/bin:/Users/siuying/.rvm/rubies/ruby-2.0.0-p0/bin:/Users/siuying/.rvm/bin:/Users/siuying/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin:/Users/siuying/bin"
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x objective-c-header -arch i386 -fmessage-length=0 -std=gnu99 -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-receiver-is-weak -Wformat -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-enum-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -DDEBUG=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator6.1.sdk -fexceptions -fasm-blocks -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -g -Wno-sign-conversion -fobjc-abi-version=2 -fobjc-legacy-dispatch -mios-simulator-version-min=6.0 -iquote /Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Intermediates/Pods.build/Debug-iphonesimulator/Pods-SampleAppTests.build/Pods-SampleAppTests-generated-files.hmap -I/Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Intermediates/Pods.build/Debug-iphonesimulator/Pods-SampleAppTests.build/Pods-SampleAppTests-own-target-headers.hmap -I/Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Intermediates/Pods.build/Debug-iphonesimulator/Pods-SampleAppTests.build/Pods-SampleAppTests-all-target-headers.hmap -iquote /Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Intermediates/Pods.build/Debug-iphonesimulator/Pods-SampleAppTests.build/Pods-SampleAppTests-project-headers.hmap -I/Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Products/Debug-iphonesimulator/include -I/Users/siuying/Documents/workspace/SampleApp/Pods/BuildHeaders -I/Users/siuying/Documents/workspace/SampleApp/Pods/BuildHeaders/DTCoreText -I/Users/siuying/Documents/workspace/SampleApp/Pods/BuildHeaders/DTFoundation -I/Users/siuying/Documents/workspace/SampleApp/Pods/BuildHeaders/Expecta -I/Users/siuying/Documents/workspace/SampleApp/Pods/BuildHeaders/OCMock -I/Users/siuying/Documents/workspace/SampleApp/Pods/BuildHeaders/Specta -I/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator6.1.sdk/usr/include/libxml2 -I/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator6.1.sdk/usr/include/libxml2 -I/Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Intermediates/Pods.build/Debug-iphonesimulator/Pods-SampleAppTests.build/DerivedSources/i386 -I/Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Intermediates/Pods.build/Debug-iphonesimulator/Pods-SampleAppTests.build/DerivedSources -F/Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Products/Debug-iphonesimulator -F/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator6.1.sdk/Developer/Library/Frameworks -F/Applications/Xcode.app/Contents/Developer/Library/Frameworks -F --serialize-diagnostics /Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Intermediates/PrecompiledHeaders/Pods-SampleAppTests-prefix-afzytlccheysyvcabsvkioekccyy/Pods-SampleAppTests-prefix.pch.dia -c /Users/siuying/Documents/workspace/SampleApp/Pods/Pods-SampleAppTests-prefix.pch -o /Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Intermediates/PrecompiledHeaders/Pods-SampleAppTests-prefix-afzytlccheysyvcabsvkioekccyy/Pods-SampleAppTests-prefix.pch.pth -MMD -MT dependencies -MF /Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Intermediates/PrecompiledHeaders/Pods-SampleAppTests-prefix-afzytlccheysyvcabsvkioekccyy/Pods-SampleAppTests-prefix.pch.d

clang: error: no such file or directory: '/Users/siuying/Library/Developer/Xcode/DerivedData/SampleApp-ahclhpzcdxabwegjzbisluyipizg/Build/Intermediates/PrecompiledHeaders/Pods-SampleAppTests-prefix-afzytlccheysyvcabsvkioekccyy/Pods-SampleAppTests-prefix.pch.dia'
Command /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang failed with exit code 1

Command /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang failed with exit code 1