qwt/6.1.6: WARN: Build folder is dirty, removing it: C:\J\w\cci_PR-4528@2\.conan\data\qwt\6.1.6\_\_\build\367984d8de8f93c048cec1c14225f25c32b81c79

Microsoft (R) Program Maintenance Utility Version 14.00.24210.0
Copyright (C) Microsoft Corporation.  All rights reserved.


Microsoft (R) Program Maintenance Utility Version 14.00.24210.0
Copyright (C) Microsoft Corporation.  All rights reserved.

NMAKE : fatal error U1077: 'echo' : return code '0x49d'
Stop.
NMAKE : fatal error U1077: 'cd' : return code '0x2'
Stop.
qwt/6.1.6: ERROR: Package '367984d8de8f93c048cec1c14225f25c32b81c79' build failed
qwt/6.1.6: WARN: Build folder C:\J\w\cci_PR-4528@2\.conan\data\qwt\6.1.6\_\_\build\367984d8de8f93c048cec1c14225f25c32b81c79
ERROR: qwt/6.1.6: Error in build() method, line 89
	self.run("{} && nmake".format(vcvars))
	ConanException: Error 2 while executing call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC/vcvarsall.bat" amd64 && nmake