After i install Ipopt for Julia , when i execute Pkg.test(“Ipopt”) , it come errors with
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ERROR: LoadError: UndefVarError: use_BinaryProvider not defined
ERROR: LoadError: Failed to precompile Ipopt to d:\JuliaPro-0.6.2.2\pkgs-0.6.2.2\lib\v0.6\Ipopt.ji.
LoadError: could not spawn powershell -NoProfile -Command '[System.Net.ServicePointManager]::Securi tyProtocol = [System.Net.SecurityProtocolType]::Tls12; $webclient = (New-Object System.Net.Webclient); $webclient.DownloadFile("https://github.com/staticfloat/IpoptBuilder/releases/download/v3.12.8-9/Ipo pt.x86_64-w64-mingw32.tar.gz", "d:\JuliaPro-0.6.2.2\pkgs-0.6.2.2\v0.6\Ipopt\deps\usr\downloads\Ipopt .x86_64-w64-mingw32.tar.gz") ': operation not permitted (EPERM)
while loading d:\JuliaPro-0.6.2.2\pkgs-0.6.2.2\v0.6\Ipopt\deps\build.jl, in expression starting on l
ine 13
[ BUILD ERRORS ]
WARNING: DecFP and Ipopt had build errors.
packages with build errors remain installed in d:\JuliaPro-0.6.2.2\pkgs-0.6.2.2\v0.6
build the package(s) and all dependencies with Pkg.build("DecFP", "Ipopt")
build a single package by running its deps/build.jl script