Recently the build pipeline on AWS is flaky. The error logs seem to be related with concurrent executions of invoke_cargo.sh when building the hhbc_ast_cbindgen target.
This PR tries to mitigate the flakiness by not building hhbc_ast_cbindgen in parallel.
Recently the build pipeline on AWS is flaky. The error logs seem to be related with concurrent executions of
invoke_cargo.shwhen building thehhbc_ast_cbindgentarget.This PR tries to mitigate the flakiness by not building
hhbc_ast_cbindgenin parallel.