The same to me. xcodebuild archive  through Jenkins got errors: CompileStoryboard /Users/build0/tempbaidurepo_1598946043/.easybox/checkouts/Widget/Widget/Resources/MainInterface.storyboard [2020-09-01 15:44:37] 2020-09-01 15:44:14.926 ibtoold[15466:184721312] [MT] IBPlatformTool: * Failed to launch tool with description <IBCocoaTouchPlatformToolDescription: 0x7feb54c67280> System content for IBCocoaTouchFramework-EightAndLater <IBScaleFactorDeviceTypeDescription: 0x7feb54c63760> scaleFactor=2x, renderMode.identifier=(null): Failed to find or create execution context for description '<IBCocoaTouchPlatformToolDescription: 0x7feb54c67280> System content for IBCocoaTouchFramework-EightAndLater <IBScaleFactorDeviceTypeDescription: 0x7feb54c63760> scaleFactor=2x, renderMode.identifier=(null)'. [2020-09-01 15:44:37] Device type: IBSimDeviceTypeiPad2x (com.apple.dt.Xcode.IBSimDeviceType.iPad-2x) [2020-09-01 15:44:37] Sim runtime: (null) [2020-09-01 15:44:37] Please also include the output of `xcrun simctl list` and `xcode-select -p`.: Failed to find newest available Simulator runtime: No available runtime found from: [ [2020-09-01 15:44:37]&#9;&#9; watchOS 7.0 (7.0 - 18R5310a) - com.apple.CoreSimulator.SimRuntime.watchOS-7-0 (unavailable, failed to open liblaunch_sim.dylib) ==> not available: Error Domain=com.apple.CoreSimulator.SimError Code=401 "The watchOS 7.0 simulator runtime is not available." UserInfo={NSLocalizedDescription=The watchOS 7.0 simulator runtime is not available., NSUnderlyingError=0x7feb64f3c2d0 {Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedFailureReason=XPC error talking to SimLaunchHostService: <error: 0x7fff8e8749a0> { count = 1, transaction: 0, voucher = 0x0, contents = ... 2. CompileAssetCatalog /Users/build1/tempbaidurepo1598946088/build/Build/Intermediates.noindex/ArchiveIntermediates/BaiduBoxApp/InstallationBuildProductsLocation/Applications/BaiduBoxApp.app /Users/build1/tempbaidurepo1598946088/BaiduBoxApp/Resources/Images.xcassets /* com.apple.actool.errors */ [2020-09-01 15:48:05] /Users/build1/temp_baidu_repo_1598946088/BaiduBoxApp/Resources/Images.xcassets: error: Failed to find newest available Simulator runtime [2020-09-01 15:48:05]&#9;&#9; Underlying Errors: [2020-09-01 15:48:05]&#9;&#9;&#9;&#9; Description: No available runtime found from: [ [2020-09-01 15:48:05]&#9;&#9; watchOS 7.0 (7.0 - 18R5310a) - com.apple.CoreSimulator.SimRuntime.watchOS-7-0 (unavailable, failed to open liblaunch_sim.dylib) ==> not available: Error Domain=com.apple.CoreSimulator.SimError Code=401 "The watchOS 7.0 simulator runtime is not available." UserInfo={NSLocalizedDescription=The watchOS 7.0 simulator runtime is not available., NSUnderlyingError=0x7fca23c58df0 {Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedFailureReason=XPC error talking to SimLaunchHostService: <error: 0x7fff8e8749a0> { count = 1, transaction: 0, voucher = 0x0, contents = [2020-09-01 15:48:05] "XPCErrorDescription" => <string: 0x7fff8e874b08> { length = 18, contents = "Connection invalid" } [2020-09-01 15:48:05] }}}, NSLocalizedRecoverySuggestion=Unable to open liblaunch_sim.dylib.&#9;Try reinstalling Xcode or the simulator runtime., NSLocalizedFailureReason=failed to open liblaunch_sim.dylib}, [2020-09-01 15:48:05]&#9;&#9; tvOS 14.0 (14.0 - 18J5313t) - com.apple.CoreSimulator.SimRuntime.tvOS-14-0 (unavailable, failed to open liblaunch_sim.dylib) ==> not available: Error Domain=com.apple.CoreSimulator.SimError Code=401 "The tvOS 14.0 simulator runtime is not available." UserInfo={NSLocalizedDescription=The tvOS 14.0 simulator runtime is not available., NSUnderlyingError=0x7fc994270970 {Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedFailureReason=XPC error talking to SimLaunchHostService: <error: 0x7fff8e8749a0> { count = 1, transaction: 0, voucher = 0x0, contents = [2020-09-01 15:48:05] "XPCErrorDescription" => <string: 0x7fff8e874b08> { length = 18, contents = "Connection invalid" } [2020-09-01 15:48:05] }}}, NSLocalizedRecoverySuggestion=Unable to open liblaunch_sim.dylib.&#9;Try reinstalling Xcode or the simulator runtime., NSLocalizedFailureReason=failed to open liblaunch_sim.dylib}, [2020-09-01 15:48:05]&#9;&#9; iOS 14.0 (14.0 - 18A5301v) - com.apple.CoreSimulator.SimRuntime.iOS-14-0 (unavailable, failed to open liblaunch_sim.dylib) ==> not available: Error Domain=com.apple.CoreSimulator.SimError Code=401 "The iOS 14.0 simulator runtime is not available." UserInfo={NSLocalizedDescription=The iOS 14.0 simulator runtime is not available., NSUnderlyingError=0x7fca25a8a6d0 {Error Domain=NSPOSIXErrorDomain Code=53 "Software caused connection abort" UserInfo={NSLocalizedFailureReason=XPC error talking to SimLaunchHostService: <error: 0x7fff8e8749a0> { count = 1, transaction: 0, voucher = 0x0, contents = [2020-09-01 15:48:05] "XPCErrorDescription" => <string: 0x7fff8e874b08> { length = 18, contents = "Connection invalid" } [2020-09-01 15:48:05] }}}, NSLocalizedRecoverySuggestion=Unable to open liblaunch_sim.dylib.&#9;Try reinstalling Xcode or the simulator runtime., NSLocalizedFailureReason=failed to open liblaunch_sim.dylib}, [2020-09-01 15:48:05] ] when matching for <IBCocoaTouchPlatformToolDescription: 0x7fc99426ed90> System content for IBCocoaTouchFramework-ThirteenAndLater <IBScaleFactorDeviceTypeDescription: 0x7fc99426eb20> scaleFactor=2x, renderMode.identifier=(null), idiom=<IBIPhoneIdiom: 0x7fc9e3eac0b0> runtime=<IBCocoaTouchTargetRuntime: 0x7fca23c80220>

Fixed by recreating a project with Xcode12

Resolved by switch swift toolchain xcode default version. Reason is compiled with swift toolchain-5.4. Maybe Swift Release 5.4 will embeded in next xcode version!