julia> Pkg.build("BayesNets")
Building Arpack ──────────→ C:\Users\Mr.li\.julia\packages\Arpack\zCmTA\deps\build.log
┌ Error: Error building Arpack
:
│ [ Info: Downloading https://github.com/JuliaBinaryWrappers/Arpack_jll.jl/releases/download/Arpack-v3.5.0+2/Arpack.v3.5.0.x86_64-w64-mingw32-libgfortran4.tar.gz to C:\Users\Mr.li.julia\packages\Arpack\zCmTA\deps\usr\downloads\Arpack.v3.5.0.x86_64-w64-mingw32-libgfortran4.tar.gz…
│ ERROR: LoadError: Could not download https://github.com/JuliaBinaryWrappers/Arpack_jll.jl/releases/download/Arpack-v3.5.0+2/Arpack.v3.5.0.x86_64-w64-mingw32-libgfortran4.tar.gz to C:\Users\Mr.li.julia\packages\Arpack\zCmTA\deps\usr\downloads\Arpack.v3.5.0.x86_64-w64-mingw32-libgfortran4.tar.gz:
│ ErrorException(“”)
│ Stacktrace:
│ [1] error(::String) at .\error.jl:33
│ [2] #download#93(::Bool, ::typeof(BinaryProvider.download), ::String, ::String) at C:\Users\Mr.li.julia\packages\BinaryProvider\kcGxO\src\PlatformEngines.jl:502
│ [3] #download at .\none:0 [inlined]
│ [4] #download_verify#94(::Bool, ::Bool, ::Bool, ::typeof(download_verify), ::String, ::String, ::String) at C:\Users\Mr.li.julia\packages\BinaryProvider\kcGxO\src\PlatformEngines.jl:571
│ [5] #download_verify at .\tuple.jl:0 [inlined]
│ [6] #install#133(::Prefix, ::String, ::Bool, ::Bool, ::Bool, ::typeof(install), ::String, ::String) at C:\Users\Mr.li.julia\packages\BinaryProvider\kcGxO\src\Prefix.jl:314
│ [7] (::getfield(BinaryProvider, Symbol(“#kw##install”)))(::NamedTuple{(:prefix, :force, :verbose),Tuple{Prefix,Bool,Bool}}, ::typeof(install), ::String, ::String) at .\tuple.jl:0
│ [8] top-level scope at C:\Users\Mr.li.julia\packages\Arpack\zCmTA\deps\build.jl:70
│ [9] include at .\boot.jl:328 [inlined]
│ [10] include_relative(::Module, ::String) at .\loading.jl:1094
│ [11] include(::Module, ::String) at .\Base.jl:31
│ [12] include(::String) at .\client.jl:431
│ [13] top-level scope at none:5
│ in expression starting at C:\Users\Mr.li.julia\packages\Arpack\zCmTA\deps\build.jl:68
│ caused by [exception 1]
│
│ Stacktrace:
│ [1] error() at .\error.jl:42
│ [2] #download#93(::Bool, ::typeof(BinaryProvider.download), ::String, ::String) at C:\Users\Mr.li.julia\packages\BinaryProvider\kcGxO\src\PlatformEngines.jl:496
│ [3] #download at .\none:0 [inlined]
│ [4] #download_verify#94(::Bool, ::Bool, ::Bool, ::typeof(download_verify), ::String, ::String, ::String) at C:\Users\Mr.li.julia\packages\BinaryProvider\kcGxO\src\PlatformEngines.jl:571
│ [5] #download_verify at .\tuple.jl:0 [inlined]
│ [6] #install#133(::Prefix, ::String, ::Bool, ::Bool, ::Bool, ::typeof(install), ::String, ::String) at C:\Users\Mr.li.julia\packages\BinaryProvider\kcGxO\src\Prefix.jl:314
│ [7] (::getfield(BinaryProvider, Symbol(“#kw##install”)))(::NamedTuple{(:prefix, :force, :verbose),Tuple{Prefix,Bool,Bool}}, ::typeof(install), ::String, ::String) at .\tuple.jl:0
│ [8] top-level scope at C:\Users\Mr.li.julia\packages\Arpack\zCmTA\deps\build.jl:70
│ [9] include at .\boot.jl:328 [inlined]
│ [10] include_relative(::Module, ::String) at .\loading.jl:1094
│ [11] include(::Module, ::String) at .\Base.jl:31
│ [12] include(::String) at .\client.jl:431
│ [13] top-level scope at none:5
│ ʹ�á�2���������á�DownloadFile��ʱ�����쳣:��������ֹ: δ�ܴ��� SSL/TLS ��ȫͨ�!���
│ ����λ�� ��:5 �ַ�: 1
│ + $webclient.DownloadFile("https://github.com/JuliaBinaryWrappers/Arpac …
│ + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
│ + CategoryInfo : NotSpecified: ( , MethodInvocationException
│ + FullyQualifiedErrorId : WebException
│
└ @ Pkg.Operations C:\cygwin\home\Administrator\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.2\Pkg\src\backwards_compatible_isolation.jl:647