2 files changed, 8 insertions, 8 deletions
diff --git a/tool/lib/_tmpdir.rb b/tool/lib/_tmpdir.rb
index fd429dab37..daa1a1f235 100644
--- a/tool/lib/_tmpdir.rb
+++ b/tool/lib/_tmpdir.rb
@@ -4,11 +4,11 @@ template = "rubytest."
 # Assume the directory by these environment variables are safe.
 base = [ENV["TMPDIR"], ENV["TMP"], "/tmp"].find do |tmp|
   next unless tmp and tmp.size <= 50 and File.directory?(tmp)
-  # On macOS, the default TMPDIR is very long, inspite of UNIX socket
-  # path length is limited.
+  # On macOS, the default TMPDIR is very long, in spite of UNIX socket
+  # path length being limited.
   #
   # Also Rubygems creates its own temporary directory per tests, and
-  # some tests copy the full path of gemhome there.  In that caes, the
+  # some tests copy the full path of gemhome there.  In that case, the
   # path contains both temporary names twice, and can exceed path name
   # limit very easily.
   tmp
diff --git a/tool/lib/envutil.rb b/tool/lib/envutil.rb
index 573fd5122c..101ea350c6 100644
--- a/tool/lib/envutil.rb
+++ b/tool/lib/envutil.rb
@@ -98,7 +98,7 @@ module EnvUtil
     def start(pid, *args) end
 
     def dump(pid, timeout: 60, reprieve: timeout&.div(4))
-      dpid = start(pid, *command_file(File.join(__dir__, "dump.#{name}")))
+      dpid = start(pid, *command_file(File.join(__dir__, "dump.#{name}")), out: :err)
     rescue Errno::ENOENT
       return
     else
@@ -121,8 +121,8 @@ module EnvUtil
     register("gdb") do
       class << self
         def usable?; system(*%w[gdb --batch --quiet --nx -ex exit]); end
-        def start(pid, *args)
-          spawn(*%w[gdb --batch --quiet --pid #{pid}], *args)
+        def start(pid, *args, **opts)
+          spawn(*%W[gdb --batch --quiet --pid #{pid}], *args, **opts)
         end
         def command_file(file) "--command=#{file}"; end
       end
@@ -131,8 +131,8 @@ module EnvUtil
     register("lldb") do
       class << self
         def usable?; system(*%w[lldb -Q --no-lldbinit -o exit]); end
-        def start(pid, *args)
-          spawn(*%w[lldb --batch -Q --attach-pid #{pid}])
+        def start(pid, *args, **opts)
+          spawn(*%W[lldb --batch -Q --attach-pid #{pid}], *args, **opts)
         end
         def command_file(file) ["--source", file]; end
       end