FileSystemException: writeFrom failed, path = '' (OS Error: Broken pipe, errno = 32)

[nank1ro]

FileSystemException: writeFrom failed, path = '' (OS Error: Broken pipe, errno = 32)
#0 _RandomAccessFile.writeFromSync (dart:io/file_impl.dart:879)
#1 _StdConsumer.addStream. (dart:io/stdio.dart:344)
#2 _rootRunUnary (dart:async/zone.dart:1132)
#3 _CustomZone.runUnary (dart:async/zone.dart:1029)
#4 _CustomZone.runUnaryGuarded (dart:async/zone.dart:931)
#5 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:336)
#6 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:263)
#7 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:764)
#8 _StreamController._add (dart:async/stream_controller.dart:640)
#9 _StreamController.add (dart:async/stream_controller.dart:586)
#10 _StreamSinkImpl.add (dart:io/io_sink.dart:156)
#11 _IOSinkImpl.write (dart:io/io_sink.dart:289)
#12 _IOSinkImpl.writeln (dart:io/io_sink.dart:309)
#13 _StdSink.writeln (dart:io/stdio.dart:341)
#14 crawl.print (package:linkcheck/src/crawl.dart:37)
#15 crawl. (package:linkcheck/src/crawl.dart:133)
#16 _AsyncAwaitCompleter.start (dart:async-patch/async_patch.dart:43)
#17 crawl. (package:linkcheck/src/crawl.dart:123)
#18 _rootRunUnary (dart:async/zone.dart:1132)
#19 _CustomZone.runUnary (dart:async/zone.dart:1029)
#20 _CustomZone.runUnaryGuarded (dart:async/zone.dart:931)
#21 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:336)
#22 _DelayedData.perform (dart:async/stream_impl.dart:591)
#23 _StreamImplEvents.handleNext (dart:async/stream_impl.dart:707)
#24 _PendingEvents.schedule. (dart:async/stream_impl.dart:667)
#25 _rootRun (dart:async/zone.dart:1120)
#26 _CustomZone.run (dart:async/zone.dart:1021)
#27 _CustomZone.runGuarded (dart:async/zone.dart:923)
#28 _CustomZone.bindCallbackGuarded. (dart:async/zone.dart:963)
#29 _rootRun (dart:async/zone.dart:1124)
#30 _CustomZone.run (dart:async/zone.dart:1021)
#31 _CustomZone.runGuarded (dart:async/zone.dart:923)
#32 _CustomZone.bindCallbackGuarded. (dart:async/zone.dart:963)
#33 _microtaskLoop (dart:async/schedule_microtask.dart:41)
#34 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50)
#35 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:116)
#36 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:173)

Unhandled exception:
HttpException: Connection closed while receiving data, uri = https://hidden_website.com
#0 _HttpIncoming.listen. (dart:_http/http_impl.dart:161)
#1 _invokeErrorHandler (dart:async/async_error.dart:17)
#2 _HandleErrorStream._handleError (dart:async/stream_pipe.dart:286)
#3 _ForwardingStreamSubscription._handleError (dart:async/stream_pipe.dart:168)
#4 _RootZone.runBinaryGuarded (dart:async/zone.dart:1326)
#5 _BufferingStreamSubscription._sendError.sendError (dart:async/stream_impl.dart:355)
#6 _BufferingStreamSubscription._sendError (dart:async/stream_impl.dart:373)
#7 _BufferingStreamSubscription._addError (dart:async/stream_impl.dart:272)
#8 _SyncStreamControllerDispatch._sendError (dart:async/stream_controller.dart:768)
#9 _StreamController._addError (dart:async/stream_controller.dart:648)
#10 _StreamController.addError (dart:async/stream_controller.dart:600)
#11 _HttpParser._onDone (dart:_http/http_parser.dart:822)
#12 _RootZone.runGuarded (dart:async/zone.dart:1302)
#13 _BufferingStreamSubscription._sendDone.sendDone (dart:async/stream_impl.dart:389)
#14 _BufferingStreamSubscription._sendDone (dart:async/stream_impl.dart:399)
#15 _BufferingStreamSubscription._close (dart:async/stream_impl.dart:283)
#16 _SyncStreamControllerDispatch._sendDone (dart:async/stream_controller.dart:772)
#17 _StreamController._closeUnchecked (dart:async/stream_controller.dart:629)
#18 _StreamController.close (dart:async/stream_controller.dart:622)
#19 _Socket._onDone (dart:io-patch/socket_patch.dart:1844)
#20 _RootZone.runGuarded (dart:async/zone.dart:1302)
#21 _BufferingStreamSubscription._sendDone.sendDone (dart:async/stream_impl.dart:389)
#22 _BufferingStreamSubscription._sendDone (dart:async/stream_impl.dart:399)
#23 _BufferingStreamSubscription._close (dart:async/stream_impl.dart:283)
#24 _SyncStreamControllerDispatch._sendDone (dart:async/stream_controller.dart:772)
#25 _StreamController._closeUnchecked (dart:async/stream_controller.dart:629)
#26 _StreamController.close (dart:async/stream_controller.dart:622)
#27 _RawSecureSocket._close (dart:io/secure_socket.dart:648)
#28 _RawSecureSocket.shutdown (dart:io/secure_socket.dart:670)
#29 _RawSecureSocket.close (dart:io/secure_socket.dart:623)
#30 _Socket._closeRawSocket (dart:io-patch/socket_patch.dart:1800)
#31 _Socket.destroy (dart:io-patch/socket_patch.dart:1732)
#32 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1817)
#33 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#34 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#35 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#36 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#37 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#38 _ConnectionTarget.close (dart:_http/http_impl.dart:1955)
#39 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#40 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#41 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#42 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#43 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#44 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#45 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#46 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#47 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#48 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#49 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#50 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#51 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#52 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#53 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#54 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#55 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#56 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#57 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#58 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#59 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#60 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#61 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#62 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#63 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#64 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#65 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#66 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#67 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#68 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#69 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#70 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#71 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#72 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#73 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#74 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#75 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#76 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#77 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#78 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#79 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#80 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#81 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#82 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#83 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#84 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#85 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#86 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#87 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#88 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#89 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#90 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#91 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#92 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#93 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#94 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#95 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#96 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#97 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#98 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#99 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#100 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#101 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#102 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#103 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#104 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#105 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#106 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#107 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#108 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#109 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#110 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#111 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#112 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#113 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#114 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#115 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#116 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#117 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#118 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#119 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#120 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#121 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#122 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#123 _ConnectionTarget.close (dart:_http/http_impl.dart:1955)
#124 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#125 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#126 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#127 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#128 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#129 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#130 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#131 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#132 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#133 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#134 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#135 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#136 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#137 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#138 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#139 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#140 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#141 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#142 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#143 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#144 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#145 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#146 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#147 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#148 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#149 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#150 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#151 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#152 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#153 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#154 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#155 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#156 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#157 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#158 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#159 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#160 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#161 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#162 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#163 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#164 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#165 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#166 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#167 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#168 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#169 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#170 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#171 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#172 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#173 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#174 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#175 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#176 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#177 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#178 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#179 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#180 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#181 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#182 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#183 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#184 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#185 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#186 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#187 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#188 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#189 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#190 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#191 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#192 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#193 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#194 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#195 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#196 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#197 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#198 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#199 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#200 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#201 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#202 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#203 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#204 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#205 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#206 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#207 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#208 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#209 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#210 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#211 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#212 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#213 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#214 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#215 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#216 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#217 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#218 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#219 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#220 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#221 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#222 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#223 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#224 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#225 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#226 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#227 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#228 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#229 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#230 _HttpClient._connectionsChanged (dart:_http/http_impl.dart:2275)
#231 _HttpClient._connectionClosed (dart:_http/http_impl.dart:2269)
#232 _HttpClientConnection.destroy (dart:_http/http_impl.dart:1816)
#233 _ConnectionTarget.close (dart:_http/http_impl.dart:1958)
#234 _HttpClient._closeConnections (dart:_http/http_impl.dart:2281)
#235 _HttpClient.close (dart:_http/http_impl.dart:2152)
#236 worker. (package:linkcheck/src/worker/worker.dart:186)
#237 _AsyncAwaitCompleter.start (dart:async-patch/async_patch.dart:43)
#238 worker. (package:linkcheck/src/worker/worker.dart:183)
#239 _RootZone.runUnaryGuarded (dart:async/zone.dart:1314)
#240 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:336)
#241 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:263)
#242 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:764)
#243 _StreamController._add (dart:async/stream_controller.dart:640)
#244 _StreamController.add (dart:async/stream_controller.dart:586)
#245 _RootZone.runUnaryGuarded (dart:async/zone.dart:1314)
#246 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:336)
#247 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:263)
#248 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:764)
#249 _StreamController._add (dart:async/stream_controller.dart:640)
#250 _StreamController.add (dart:async/stream_controller.dart:586)
#251 _StreamSinkWrapper.add (dart:async/stream_controller.dart:858)
#252 _RootZone.runUnaryGuarded (dart:async/zone.dart:1314)
#253 CastStreamSubscription._onData (dart:_internal/async_cast.dart:81)
#254 _RootZone.runUnaryGuarded (dart:async/zone.dart:1314)
#255 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:336)
#256 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:263)
#257 _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:764)
#258 _StreamController._add (dart:async/stream_controller.dart:640)
#259 _StreamController.add (dart:async/stream_controller.dart:586)
#260 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172)

[filiph]

I'm sorry, I cannot reproduce this. Could you please share a bit more info about your setup (operating system, the kind of server you're trying to linkcheck, etc.)?