larastan: Larastan crashing PHPStan on PHP 8.1

• Larastan Version: 1.0.1
• PHPStan version: 1.1.2
• --level used: 5

Description

With php 8.0

PHP 8.0.12 (cli) (built: Oct 21 2021 14:38:26) ( NTS )
Copyright (c) The PHP Group
Zend Engine v4.0.12, Copyright (c) Zend Technologies
    with Xdebug v3.1.1, Copyright (c) 2002-2021, by Derick Rethans
    with Zend OPcache v8.0.12, Copyright (c), by Zend Technologies

➜  mother git:(trev-projector) ✗ vendor/bin/phpstan analyze
Note: Using configuration file /Users/andrew/PS/Code/mother/phpstan.neon.
 275/275 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓] 100%


                                                                                                                        
 [OK] No errors                                                                                                         

---

With php 8.1

PHP 8.1.0RC5-dev (cli) (built: Oct 21 2021 06:23:20) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.1.0-dev, Copyright (c) Zend Technologies
    with Xdebug v3.1.1, Copyright (c) 2002-2021, by Derick Rethans
    with Zend OPcache v8.1.0RC5-dev, Copyright (c), by Zend Technologies

➜  mother git:(trev-projector) ✗ vendor/bin/phpstan analyze
Note: Using configuration file /Users/andrew/PS/Code/mother/phpstan.neon.
 275/275 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓] 100%

 -- ---------------------------------------------- 
     Error                                         
 -- ---------------------------------------------- 
     Some parallel worker jobs have not finished.  
 -- ---------------------------------------------- 

                                                                                                                        
 [ERROR] Found 1 error

If I enable debug mode on phpstan, I get the following

➜  mother git:(trev-projector) ✗ vendor/bin/phpstan analyze --no-progress --debug
Note: Using configuration file /Users/andrew/PS/Code/mother/phpstan.neon.
/Users/andrew/PS/Code/mother/app/Mixins/FindByHashIdMixin.php

I’m fully aware that this is not enough detail to diagnose the problem, but I’m asking for help collecting whatever you need.

However, removing/excluding that file just then repeats the problem for another file.

I’ve tried changing the level, which made no difference, and I’ve tried lengthening the parallel.processTimeout parameter - again with no change.

But, if I remove the larastan include from phpstan.neon, phpstan runs to completion - albeit with a pile of errors it now finds because of laravel’s magic.