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Exception when map is converted to nil with a block #1243

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HashNotAdam opened this issue Jul 28, 2021 · 2 comments · Fixed by #1257
Closed

Exception when map is converted to nil with a block #1243

HashNotAdam opened this issue Jul 28, 2021 · 2 comments · Fixed by #1257
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@mbj
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bug

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@HashNotAdam
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HashNotAdam commented Jul 28, 2021 •
edited

Given this code:

def verses(first_verse, last_verse)
    first_verse.downto(last_verse).map { verse(_1) }.join("\n")
end

Mutant makes the following change which causes an exception:

 def verses(first_verse, last_verse)
-  first_verse.downto(last_verse).map {
+  nil {
     verse(_1)
   }.join("\n")
 end

Given this code:

def encode(_options = nil)
  attrs = attributes.deep_transform_keys { _1.camelize(:lower) }
  attrs.public_send("to_#{self.class.format.extension}")
end

Mutant makes the following change which causes an exception:

def encode(_options = nil)
-  attrs = attributes.deep_transform_keys {
+  attrs = nil {
    _1.camelize(:lower)
  }
  attrs.public_send("to_#{self.class.format.extension}")
end
@HashNotAdam
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Author

Error for first case

Killfork exited nonzero. Its result (if any) was ignored.
Process status:
#<Process::Status: pid 75311 exit 1>
Log messages (combined stderr and stdout):
[killfork] /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/loader.rb:39:in `eval': /Users/arice/dev/books/99bottles_ruby_2021/lib/Bottles.rb:11: syntax error, unexpected '{', expecting `end' (SyntaxError)
[killfork]     nil {
[killfork]         ^
[killfork] /Users/arice/dev/books/99bottles_ruby_2021/lib/Bottles.rb:13: syntax error, unexpected '}', expecting `end'
[killfork]     }.join("\\n")
[killfork]     ^
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/loader.rb:39:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/loader.rb:28:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/mutation.rb:67:in `insert'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/env.rb:142:in `block in run_mutation_tests'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:224:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/procto.rb:19:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:102:in `block in start_child'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:101:in `fork'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:101:in `start_child'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:82:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/procto.rb:19:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:242:in `block (2 levels) in call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:46:in `block in with'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in `pipe'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in `with'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:241:in `block in call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:46:in `block in with'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in `pipe'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in `with'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:240:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/env.rb:140:in `run_mutation_tests'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/env.rb:61:in `cover_index'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:122:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:122:in `block in call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:121:in `loop'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:121:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:42:in `block in start'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:31:in `fork'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:31:in `start'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:26:in `block in workers'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:25:in `initialize'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:25:in `new'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:25:in `workers'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:15:in `async'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/runner.rb:20:in `run_mutation_analysis'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/runner.rb:12:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/unparser-0.6.0/lib/unparser/either.rb:115:in `bind'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/cli/command/environment/run.rb:31:in `action'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/cli/command.rb:79:in `execute'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/cli/command.rb:55:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/bin/mutant:47:in `<top (required)>'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/bin/mutant:23:in `load'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/bin/mutant:23:in `<top (required)>'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli/exec.rb:63:in `load'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli/exec.rb:63:in `kernel_load'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli/exec.rb:28:in `run'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli.rb:494:in `exec'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor/invocation.rb:127:in `invoke_command'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor.rb:392:in `dispatch'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli.rb:30:in `dispatch'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor/base.rb:485:in `start'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli.rb:24:in `start'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/bundler-2.2.15/libexec/bundle:49:in `block in <top (required)>'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/friendly_errors.rb:130:in `with_friendly_errors'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/bundler-2.2.15/libexec/bundle:37:in `<top (required)>'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/bin/bundle:23:in `load'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/bin/bundle:23:in `<main>'
Killing the mutation resulted in an integration error.
This is the case when the tests selected for the current mutation
did not produce a test result, but instead an exception was raised.

This may point to the following problems:
* Bug in mutant
* Bug in the ruby interpreter
* Bug in your test suite
* Bug in your test suite under concurrency

The following exception was raised while reading the killfork result:

ArgumentError
marshal data too short
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:134:in load' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:134:in load_result'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:124:in read_child_result' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:84:in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/procto.rb:19:in call' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:242:in block (2 levels) in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:46:in block in with' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in pipe'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in with' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:241:in block in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:46:in block in with' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in pipe'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in with' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:240:in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/env.rb:140:in run_mutation_tests' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/env.rb:61:in cover_index'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:122:in call' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:122:in block in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:121:in loop' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:121:in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:42:in block in start' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:31:in fork'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:31:in start' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:26:in block in workers'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:25:in initialize' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:25:in new'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:25:in workers' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:15:in async'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/runner.rb:20:in run_mutation_analysis' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/runner.rb:12:in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/unparser-0.6.0/lib/unparser/either.rb:115:in bind' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/cli/command/environment/run.rb:31:in action'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/cli/command.rb:79:in execute' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/cli/command.rb:55:in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/bin/mutant:47:in <top (required)>' /Users/arice/.rbenv/versions/3.0.1/bin/mutant:23:in load'
/Users/arice/.rbenv/versions/3.0.1/bin/mutant:23:in <top (required)>' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli/exec.rb:63:in load'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli/exec.rb:63:in kernel_load' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli/exec.rb:28:in run'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli.rb:494:in exec' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor/command.rb:27:in run'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor/invocation.rb:127:in invoke_command' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor.rb:392:in dispatch'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli.rb:30:in dispatch' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor/base.rb:485:in start'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli.rb:24:in start' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/bundler-2.2.15/libexec/bundle:49:in block in <top (required)>'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/friendly_errors.rb:130:in with_friendly_errors' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/bundler-2.2.15/libexec/bundle:37:in <top (required)>'
/Users/arice/.rbenv/versions/3.0.1/bin/bundle:23:in load' /Users/arice/.rbenv/versions/3.0.1/bin/bundle:23:in

'

@@ -1,6 +1,6 @@
 def verses(first_verse, last_verse)
-  first_verse.downto(last_verse).map {
+  nil {
     verse(_1)
   }.join("\n")
 end

@HashNotAdam
Copy link
Author

Error for second case:

Killfork exited nonzero. Its result (if any) was ignored.
Process status:
#<Process::Status: pid 86329 exit 1>
Log messages (combined stderr and stdout):
[killfork] /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/loader.rb:39:in `eval': /Users/arice/dev/open_source/fixably/lib/fixably/application_resource.rb:92: syntax error, unexpected '{', expecting `end' (SyntaxError)
[killfork]       attrs = nil {
[killfork]                   ^
[killfork] /Users/arice/dev/open_source/fixably/lib/fixably/application_resource.rb:94: syntax error, unexpected '}', expecting `end'
[killfork]       }
[killfork]       ^
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/loader.rb:39:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/loader.rb:28:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/mutation.rb:67:in `insert'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/env.rb:142:in `block in run_mutation_tests'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:224:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/procto.rb:19:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:102:in `block in start_child'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:101:in `fork'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:101:in `start_child'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:82:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/procto.rb:19:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:242:in `block (2 levels) in call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:46:in `block in with'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in `pipe'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in `with'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:241:in `block in call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:46:in `block in with'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in `pipe'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in `with'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:240:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/env.rb:140:in `run_mutation_tests'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/env.rb:61:in `cover_index'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:122:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:122:in `block in call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:121:in `loop'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:121:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:42:in `block in start'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:31:in `fork'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:31:in `start'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:26:in `block in workers'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:25:in `initialize'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:25:in `new'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:25:in `workers'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:15:in `async'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/runner.rb:20:in `run_mutation_analysis'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/runner.rb:12:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/unparser-0.6.0/lib/unparser/either.rb:115:in `bind'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/cli/command/environment/run.rb:31:in `action'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/cli/command.rb:79:in `execute'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/cli/command.rb:55:in `call'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/bin/mutant:47:in `<top (required)>'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/bin/mutant:23:in `load'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/bin/mutant:23:in `<top (required)>'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli/exec.rb:63:in `load'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli/exec.rb:63:in `kernel_load'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli/exec.rb:28:in `run'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli.rb:494:in `exec'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor/command.rb:27:in `run'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor/invocation.rb:127:in `invoke_command'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor.rb:392:in `dispatch'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli.rb:30:in `dispatch'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor/base.rb:485:in `start'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli.rb:24:in `start'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/bundler-2.2.15/libexec/bundle:49:in `block in <top (required)>'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/friendly_errors.rb:130:in `with_friendly_errors'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/bundler-2.2.15/libexec/bundle:37:in `<top (required)>'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/bin/bundle:23:in `load'
[killfork]      from /Users/arice/.rbenv/versions/3.0.1/bin/bundle:23:in `<main>'
Killing the mutation resulted in an integration error.
This is the case when the tests selected for the current mutation
did not produce a test result, but instead an exception was raised.

This may point to the following problems:
* Bug in mutant
* Bug in the ruby interpreter
* Bug in your test suite
* Bug in your test suite under concurrency

The following exception was raised while reading the killfork result:

ArgumentError
marshal data too short
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:134:in load' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:134:in load_result'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:124:in read_child_result' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:84:in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/procto.rb:19:in call' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:242:in block (2 levels) in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:46:in block in with' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in pipe'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in with' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:241:in block in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:46:in block in with' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in pipe'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:45:in with' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/isolation/fork.rb:240:in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/env.rb:140:in run_mutation_tests' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/env.rb:61:in cover_index'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:122:in call' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:122:in block in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:121:in loop' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:121:in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:42:in block in start' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:31:in fork'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel/worker.rb:31:in start' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:26:in block in workers'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:25:in initialize' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:25:in new'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:25:in workers' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/parallel.rb:15:in async'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/runner.rb:20:in run_mutation_analysis' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/runner.rb:12:in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/unparser-0.6.0/lib/unparser/either.rb:115:in bind' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/cli/command/environment/run.rb:31:in action'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/cli/command.rb:79:in execute' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/lib/mutant/cli/command.rb:55:in call'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/mutant-0.10.32/bin/mutant:47:in <top (required)>' /Users/arice/.rbenv/versions/3.0.1/bin/mutant:23:in load'
/Users/arice/.rbenv/versions/3.0.1/bin/mutant:23:in <top (required)>' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli/exec.rb:63:in load'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli/exec.rb:63:in kernel_load' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli/exec.rb:28:in run'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli.rb:494:in exec' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor/command.rb:27:in run'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor/invocation.rb:127:in invoke_command' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor.rb:392:in dispatch'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli.rb:30:in dispatch' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/vendor/thor/lib/thor/base.rb:485:in start'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/cli.rb:24:in start' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/bundler-2.2.15/libexec/bundle:49:in block in <top (required)>'
/Users/arice/.rbenv/versions/3.0.1/lib/ruby/3.0.0/bundler/friendly_errors.rb:130:in with_friendly_errors' /Users/arice/.rbenv/versions/3.0.1/lib/ruby/gems/3.0.0/gems/bundler-2.2.15/libexec/bundle:37:in <top (required)>'
/Users/arice/.rbenv/versions/3.0.1/bin/bundle:23:in load' /Users/arice/.rbenv/versions/3.0.1/bin/bundle:23:in

'

@@ -1,8 +1,8 @@
 def encode(_options = nil, attrs: nil)
   attrs ||= attributes
-  attrs = attrs.deep_transform_keys {
+  attrs = nil {
     _1.camelize(:lower)
   }
   attrs.public_send("to_#{self.class.format.extension}")
 end

@mbj mbj self-assigned this Aug 29, 2021
@mbj mbj added the bug label Aug 29, 2021
@mbj mbj mentioned this issue Aug 30, 2021
Open
mbj added a commit that referenced this issue Aug 30, 2021
@mbj
Fix crash on numblock mutations
aa9d9c0 
[Fix #1243]
@mbj mbj mentioned this issue Aug 30, 2021
Merged
mbj added a commit that referenced this issue Aug 30, 2021
@mbj
Fix crash on numblock mutations
5e04446 
[Fix #1243]
mbj added a commit that referenced this issue Aug 30, 2021
@mbj
Fix crash on numblock mutations
2c2afd3 
[Fix #1243]
mbj added a commit that referenced this issue Aug 30, 2021
@mbj
Fix crash on numblock mutations
bb52ae5 
[Fix #1243]
mbj added a commit that referenced this issue Aug 30, 2021
@mbj
Fix crash on numblock mutations
1a0f84f 
[Fix #1243]
mbj added a commit that referenced this issue Aug 30, 2021
@mbj
Fix crash on numblock mutations
fec8a1b 
[Fix #1243]
mbj added a commit that referenced this issue Aug 30, 2021
@mbj
Fix crash on numblock mutations
1fbc3db 
[Fix #1243]
mbj added a commit that referenced this issue Aug 30, 2021
@mbj
Fix crash on numblock mutations
6457633 
[Fix #1243]
@mbj mbj closed this as completed in #1257 Aug 30, 2021
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Fix crash on numblock mutations mbj/mutant
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@mbj @HashNotAdam