I would consider adding support to the latest release as well as the tip of the master. The latest release of Infer is almost 3 years old, but the tool is in active development.
The file output of infer should be processed, instead of the stdout.
Consider supporting analyzer options if there are any.
Add support for facebook infer analyzer execution support for C/C++. https://github.com/facebook/infer
CodeChecker should be able to
CodeChecker analyze --anlayzers infer ./compile_commands.json
CodeChecker analyze --analyzers infer -e infer.biabduction_memory_leak
CodeChecker store ./report-dir --url https://...