./reset.sh failure message for Appium

gistfile1.txt

$ ./reset.sh --verbose
---- Resetting / Initializing Appium ----
RESETTING NPM
* Installing new or updated NPM modules
RESETTING IOS
* Cloning/updating instruments-without-delay
* Building instruments-without-delay
~/git/appium/submodules/instruments-without-delay ~/git/appium
Build settings from command line:
    _IOS_SDK_VERSION = 6.1
    _IOS_SDK_VERSION_EXPANDED = 61000
    CONFIGURATION_BUILD_DIR = /Users/swapna.chennadi/git/appium/submodules/instruments-without-delay/build

=== BUILD NATIVE TARGET InstrumentsShim OF PROJECT InstrumentsShim WITH CONFIGURATION Release ===
Check dependencies

Ld /Users/swapna.chennadi/git/appium/submodules/instruments-without-delay/build/InstrumentsShim.dylib normal x86_64
    cd /Users/swapna.chennadi/git/appium/submodules/instruments-without-delay/InstrumentsShim
    setenv MACOSX_DEPLOYMENT_TARGET 10.8
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch x86_64 -dynamiclib -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.8.sdk -L/Users/swapna.chennadi/git/appium/submodules/instruments-without-delay/build -F/Users/swapna.chennadi/git/appium/submodules/instruments-without-delay/build -filelist /Users/swapna.chennadi/Library/Developer/Xcode/DerivedData/instruments-without-delay-cnkoydwluoxhhtgsdtsxpiqahswz/Build/Intermediates/InstrumentsShim.build/Release/InstrumentsShim.build/Objects-normal/x86_64/InstrumentsShim.LinkFileList -install_name /usr/local/lib/InstrumentsShim.dylib -mmacosx-version-min=10.8 -fobjc-link-runtime -framework Cocoa -single_module -compatibility_version 1 -current_version 1 -o /Users/swapna.chennadi/git/appium/submodules/instruments-without-delay/build/InstrumentsShim.dylib
ld: can't write output file: /Users/swapna.chennadi/git/appium/submodules/instruments-without-delay/build/InstrumentsShim.dylib for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
error: couldn't remove '/Users/swapna.chennadi/git/appium/submodules/instruments-without-delay/build/InstrumentsShim.dylib' after command failed: Permission denied


** BUILD FAILED **


The following build commands failed:
  Ld /Users/swapna.chennadi/git/appium/submodules/instruments-without-delay/build/InstrumentsShim.dylib normal x86_64
(1 failure)