ERROR: LoadError: UndefVarError: start not defined

[songroom2016]

(v1.0) pkg> add WinRPM
Resolving package versions...
Updating C:\Users\wowotuo\.julia\environments\v1.0\Project.toml
[no changes]
Updating C:\Users\wowotuo\.julia\environments\v1.0\Manifest.toml
[no changes]

(v1.0) pkg> build WinRPM
Building LibCURL → C:\Users\wowotuo\.julia\packages\LibCURL\Qs5og\deps\build.log
Building WinRPM ─→ C:\Users\wowotuo\.julia\packages\WinRPM\rDDZz\deps\build.log
┌ Error: Error building WinRPM:
│ ERROR: LoadError: UndefVarError: start not defined
│ Stacktrace:
│ [1] getproperty(::Module, ::Symbol) at .\sysimg.jl:13
│ [2] top-level scope at none:0
│ [3] include at .\boot.jl:317 [inlined]
│ [4] include_relative(::Module, ::String) at .\loading.jl:1038
│ [5] include(::Module, ::String) at .\sysimg.jl:29
│ [6] top-level scope at none:2
│ [7] eval at .\boot.jl:319 [inlined]
│ [8] eval(::Expr) at .\client.jl:389
│ [9] top-level scope at .\none:3
│ in expression starting at C:\Users\wowotuo.julia\packages\WinRPM\rDDZz\src\WinRPM.jl:214
│ ERROR: LoadError: Failed to precompile WinRPM [c17dfb99-b4f7-5aad-8812-456da1ad7187] to C:\Users\wowotuo.julia\compiled\v1.0\WinRPM\ko3j0.ji.
│ Stacktrace:
│ [1] error(::String) at .\error.jl:33
│ [2] macro expansion at .\logging.jl:313 [inlined]
│ [3] compilecache(::Base.PkgId, ::String) at .\loading.jl:1184
│ [4] _require(::Base.PkgId) at .\logging.jl:311
│ [5] require(::Base.PkgId) at .\loading.jl:852
│ [6] macro expansion at .\logging.jl:311 [inlined]
│ [7] require(::Module, ::Symbol) at .\loading.jl:834
│ [8] top-level scope at C:\Users\wowotuo.julia\packages\WinRPM\rDDZz\deps\build.jl:2
│ [9] include at .\boot.jl:317 [inlined]
│ [10] include_relative(::Module, ::String) at .\loading.jl:1038
│ [11] include(::Module, ::String) at .\sysimg.jl:29
│ [12] include(::String) at .\client.jl:388
│ [13] top-level scope at none:0
│ in expression starting at C:\Users\wowotuo.julia\packages\WinRPM\rDDZz\deps\build.jl:1
│ welcome julialang world !
└ @ Pkg.Operations C:\cygwin\home\Administrator\buildbot\worker\package_win64\build\usr\share\julia\stdlib\v1.0\Pkg\src\Operations.jl:1068