Kraken doesn't support Cargo's required-features

[asmello]

Traceback (most recent call last):                                                                             
 File                                                                                                         
".../.kraken/venv/lib/python3.10/site-packages/kraken/core/cli/main.py", line 203, in _load_build_state                                                                                 
   context.load_project(Path.cwd())                                                                           
 File                                                                                                         
".../.kraken/venv/lib/python3.10/site-packages/kraken/core/system/context.py", line 1[70], in load_project                                                                               
   runner.execute_script(script, {"project": project})                                                        
 File                                                                                                         
".../.kraken/venv/lib/python3.10/site-packages/kraken/common/_runner.py", line 113, in execute_script                                                                                  
   exec(code, vars(module))                                                                                                                                                                                                           
[...]                        
 File                                                                                                         
".../.kraken/venv/lib/python3.10/site-packages/kraken/std/cargo/manifest.py", line 213, in read                                                                                        
   ret = cls.of(path, tomli.load(fp))                                                                         
 File                                                                                                         
".../.kraken/venv/lib/python3.10/site-packages/kraken/std/cargo/manifest.py", line 227, in of                                                                                          
   [Bin(**x) for x in data.get("bin", [])],                                                                   
 File                                                                                                         
".../.kraken/venv/lib/python3.10/site-packages/kraken/std/cargo/manifest.py", line 227, in <listcomp>                                                                                  
   [Bin(**x) for x in data.get("bin", [])],                                                                   
TypeError: Bin.__init__() got an unexpected keyword argument 'required-features'

Seems that using separate dependencies for a binary target via the second strategy here is not supported by kraken.