1) Failure:
TestOpenURI#test_proxy_http_basic_authentication_failure [/home/vagrant/s/github.com/ruby/ruby/test/open-uri/test_open-uri.rb:44]:
exceptions on 1 threads:
#<Thread:0x00000009ff95c0@/home/vagrant/s/github.com/ruby/ruby/test/open-uri/test_open-uri.rb:37 dead>:
/home/vagrant/s/github.com/ruby/ruby/test/lib/minitest/unit.rb:201:in `assert': Expected /ERROR WEBrick::HTTPStatus::ProxyAuthenticationRequired/ to match "[2017-01-08 14:40:40] ERROR WEBrick::HTTPAuth::ProxyAuthenticator::AuthException\n". (MiniTest::Assertion)
	from /home/vagrant/s/github.com/ruby/ruby/test/lib/test/unit/assertions.rb:37:in `assert'
	from /home/vagrant/s/github.com/ruby/ruby/test/lib/minitest/unit.rb:293:in `assert_match'
	from /home/vagrant/s/github.com/ruby/ruby/test/open-uri/test_open-uri.rb:330:in `block in test_proxy_http_basic_authentication_failure'
	from /home/vagrant/s/github.com/ruby/ruby/test/open-uri/test_open-uri.rb:39:in `block (2 levels) in with_http'

  2) Failure:
TestOpenURI#test_redirect_auth_failure_r1 [/home/vagrant/s/github.com/ruby/ruby/test/open-uri/test_open-uri.rb:44]:
exceptions on 1 threads:
#<Thread:0x0000000a17adb8@/home/vagrant/s/github.com/ruby/ruby/test/open-uri/test_open-uri.rb:31 dead>:
/home/vagrant/s/github.com/ruby/ruby/test/lib/minitest/unit.rb:201:in `assert': Expected /ERROR WEBrick::HTTPStatus::Unauthorized/ to match "[2017-01-08 14:40:40] ERROR WEBrick::HTTPAuth::Authenticator::AuthException\n". (MiniTest::Assertion)
	from /home/vagrant/s/github.com/ruby/ruby/test/lib/test/unit/assertions.rb:37:in `assert'
	from /home/vagrant/s/github.com/ruby/ruby/test/lib/minitest/unit.rb:293:in `assert_match'
	from /home/vagrant/s/github.com/ruby/ruby/test/open-uri/test_open-uri.rb:529:in `block in test_redirect_auth_failure_r1'
	from /home/vagrant/s/github.com/ruby/ruby/test/open-uri/test_open-uri.rb:34:in `block (2 levels) in with_http'

  3) Failure:
TestOpenURI#test_redirect_auth_failure_r2 [/home/vagrant/s/github.com/ruby/ruby/test/open-uri/test_open-uri.rb:44]:
exceptions on 1 threads:
#<Thread:0x0000000a1d2ec8@/home/vagrant/s/github.com/ruby/ruby/test/open-uri/test_open-uri.rb:31 dead>:
/home/vagrant/s/github.com/ruby/ruby/test/lib/minitest/unit.rb:201:in `assert': Expected /ERROR WEBrick::HTTPStatus::Unauthorized/ to match "[2017-01-08 14:40:40] ERROR WEBrick::HTTPAuth::Authenticator::AuthException\n". (MiniTest::Assertion)
	from /home/vagrant/s/github.com/ruby/ruby/test/lib/test/unit/assertions.rb:37:in `assert'
	from /home/vagrant/s/github.com/ruby/ruby/test/lib/minitest/unit.rb:293:in `assert_match'
	from /home/vagrant/s/github.com/ruby/ruby/test/open-uri/test_open-uri.rb:517:in `block in test_redirect_auth_failure_r2'
	from /home/vagrant/s/github.com/ruby/ruby/test/open-uri/test_open-uri.rb:34:in `block (2 levels) in with_http'

  4) Failure:
TestWEBrickHTTPAuth#test_basic_auth [/home/vagrant/s/github.com/ruby/ruby/test/webrick/utils.rb:62]:
exceptions on 1 threads:
#<Thread:0x000000069a1cc0@/home/vagrant/s/github.com/ruby/ruby/test/webrick/utils.rb:48 dead>:
/home/vagrant/s/github.com/ruby/ruby/test/lib/minitest/unit.rb:201:in `assert': Expected /ERROR WEBrick::HTTPStatus::Unauthorized/ to match "[2017-01-08 14:44:29] ERROR WEBrick::HTTPAuth::Authenticator::AuthException\n". (MiniTest::Assertion)
	from /home/vagrant/s/github.com/ruby/ruby/test/lib/test/unit/assertions.rb:37:in `assert'
	from /home/vagrant/s/github.com/ruby/ruby/test/lib/minitest/unit.rb:293:in `assert_match'
	from /home/vagrant/s/github.com/ruby/ruby/test/webrick/test_httpauth.rb:18:in `block in test_basic_auth'
	from /home/vagrant/s/github.com/ruby/ruby/test/webrick/utils.rb:51:in `block in start_server'

  5) Failure:
TestWEBrickHTTPAuth#test_basic_auth2 [/home/vagrant/s/github.com/ruby/ruby/test/webrick/utils.rb:62]:
exceptions on 1 threads:
#<Thread:0x000000069ed9b8@/home/vagrant/s/github.com/ruby/ruby/test/webrick/utils.rb:48 dead>:
/home/vagrant/s/github.com/ruby/ruby/test/lib/minitest/unit.rb:201:in `assert': webrick log doesn't have expected error: /ERROR WEBrick::HTTPStatus::Unauthorized/ (MiniTest::Assertion)
	from /home/vagrant/s/github.com/ruby/ruby/test/lib/test/unit/assertions.rb:37:in `assert'
	from /home/vagrant/s/github.com/ruby/ruby/test/webrick/test_httpauth.rb:47:in `block (2 levels) in test_basic_auth2'
	from /home/vagrant/s/github.com/ruby/ruby/test/webrick/test_httpauth.rb:46:in `each'
	from /home/vagrant/s/github.com/ruby/ruby/test/webrick/test_httpauth.rb:46:in `block in test_basic_auth2'
	from /home/vagrant/s/github.com/ruby/ruby/test/webrick/utils.rb:51:in `block in start_server'

  6) Failure:
TestWEBrickHTTPAuth#test_digest_auth [/home/vagrant/s/github.com/ruby/ruby/test/webrick/utils.rb:62]:
exceptions on 1 threads:
#<Thread:0x00000006a5e370@/home/vagrant/s/github.com/ruby/ruby/test/webrick/utils.rb:48 dead>:
/home/vagrant/s/github.com/ruby/ruby/test/lib/minitest/unit.rb:201:in `assert': webrick log doesn't have expected error: /ERROR WEBrick::HTTPStatus::Unauthorized/ (MiniTest::Assertion)
	from /home/vagrant/s/github.com/ruby/ruby/test/lib/test/unit/assertions.rb:37:in `assert'
	from /home/vagrant/s/github.com/ruby/ruby/test/webrick/test_httpauth.rb:125:in `block (2 levels) in test_digest_auth'
	from /home/vagrant/s/github.com/ruby/ruby/test/webrick/test_httpauth.rb:124:in `each'
	from /home/vagrant/s/github.com/ruby/ruby/test/webrick/test_httpauth.rb:124:in `block in test_digest_auth'
	from /home/vagrant/s/github.com/ruby/ruby/test/webrick/utils.rb:51:in `block in start_server'