/usr/local/Homebrew/Library/Homebrew/vendor/bundle/ruby/2.6.0/bin/bundle clean ==> Testing libbpg ==> /usr/local/Cellar/libbpg/0.9.8_1/bin/bpgenc /usr/local/Homebrew/Library/Homebrew/test/support/fixtures/test.png Error: libbpg: failed An exception occurred within a child process: BuildError: Failed executing: /usr/local/Cellar/libbpg/0.9.8_1/bin/bpgenc /usr/local/Homebrew/Library/Homebrew/test/support/fixtures/test.png /usr/local/Homebrew/Library/Homebrew/formula.rb:2734:in `block in system' /usr/local/Homebrew/Library/Homebrew/formula.rb:2670:in `open' /usr/local/Homebrew/Library/Homebrew/formula.rb:2670:in `system' /usr/local/Homebrew/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/sorbet-runtime-0.5.10461/lib/types/private/methods/call_validation.rb:157:in `call' /usr/local/Homebrew/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/sorbet-runtime-0.5.10461/lib/types/private/methods/call_validation.rb:157:in `validate_call' /usr/local/Homebrew/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/sorbet-runtime-0.5.10461/lib/types/private/methods/_methods.rb:270:in `block in _on_method_added' /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/lib/libbpg.rb:43:in `block in <class:Libbpg>' /usr/local/Homebrew/Library/Homebrew/formula.rb:2493:in `block (3 levels) in run_test' /usr/local/Homebrew/Library/Homebrew/extend/kernel.rb:499:in `with_env' /usr/local/Homebrew/Library/Homebrew/formula.rb:2492:in `block (2 levels) in run_test' /usr/local/Homebrew/Library/Homebrew/formula.rb:1054:in `with_logging' /usr/local/Homebrew/Library/Homebrew/formula.rb:2491:in `block in run_test' /usr/local/Homebrew/Library/Homebrew/mktemp.rb:75:in `block in run' /usr/local/Homebrew/Library/Homebrew/mktemp.rb:75:in `chdir' /usr/local/Homebrew/Library/Homebrew/mktemp.rb:75:in `run' /usr/local/Homebrew/Library/Homebrew/formula.rb:2785:in `mktemp' /usr/local/Homebrew/Library/Homebrew/formula.rb:2485:in `run_test' /usr/local/Homebrew/Library/Homebrew/test.rb:44:in `block in <main>' /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/timeout.rb:93:in `block in timeout' /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/timeout.rb:33:in `block in catch' /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/timeout.rb:33:in `catch' /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/timeout.rb:33:in `catch' /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/timeout.rb:108:in `timeout' /usr/local/Homebrew/Library/Homebrew/test.rb:48:in `<main>'