'React' is declared but its value is never read.

Process completed with exit code 2.

Run script build phase '[CP-User] [Hermes] Replace Hermes for the right configuration, if needed' will be run during every build because it does not specify any outputs. To address this warning, either add output dependencies to the script phase, or configure it to run in every build by unchecking "Based on dependency analysis" in the script phase. (in target 'hermes-engine' from project 'Pods')

'syscall' is deprecated: first deprecated in iOS 10.0 - syscall(2) is unsupported; please switch to a supported interface. For SYS_kdebug_trace use kdebug_signpost(). [-Wdeprecated-declarations]

'syscall' is deprecated: first deprecated in iOS 10.0 - syscall(2) is unsupported; please switch to a supported interface. For SYS_kdebug_trace use kdebug_signpost(). [-Wdeprecated-declarations]

'syscall' is deprecated: first deprecated in iOS 10.0 - syscall(2) is unsupported; please switch to a supported interface. For SYS_kdebug_trace use kdebug_signpost(). [-Wdeprecated-declarations]

'syscall' is deprecated: first deprecated in iOS 10.0 - syscall(2) is unsupported; please switch to a supported interface. For SYS_kdebug_trace use kdebug_signpost(). [-Wdeprecated-declarations]

'OSSpinLock' is deprecated: first deprecated in iOS 10.0 - Use os_unfair_lock() from <os/lock.h> instead [-Wdeprecated-declarations]

'OSSpinLockLock' is deprecated: first deprecated in iOS 10.0 - Use os_unfair_lock_lock() from <os/lock.h> instead [-Wdeprecated-declarations]

'OSSpinLockUnlock' is deprecated: first deprecated in iOS 10.0 - Use os_unfair_lock_unlock() from <os/lock.h> instead [-Wdeprecated-declarations]

'OSSpinLockLock' is deprecated: first deprecated in iOS 10.0 - Use os_unfair_lock_lock() from <os/lock.h> instead [-Wdeprecated-declarations]