I just tried and got almost the same error, but in my case I don’t see any traces of downloading/building Gurobi (see below)
@SingingKim can you try to download it from gurobi.com manually?
┌ Error: Error building `Gurobi`:
│ ERROR: LoadError: Unable to locate Gurobi installation. If the advice above did not help,
│ open an issue at https://github.com/JuliaOpt/Gurobi.jl and post the full
│ print-out of this diagnostic attempt.
│
│ Stacktrace:
│ [1] error(::String) at /Applications/Julia-1.4.app/Contents/Resources/julia/lib/julia/sys.dylib:?
│ [2] top-level scope at /Users/tamasgal/.julia/packages/Gurobi/7YNJV/deps/build.jl:154
│ [3] include(::String) at /Applications/Julia-1.4.app/Contents/Resources/julia/lib/julia/sys.dylib:?
│ [4] top-level scope at none:5
│ in expression starting at /Users/tamasgal/.julia/packages/Gurobi/7YNJV/deps/build.jl:152
│ Unable to locate Gurobi installation. Running some common diagnostics.
│ Gurobi.jl only supports the following versions:
│
│ - gurobi90
│ - gurobi81
│ - gurobi80
│ - gurobi75
│ - gurobi70
│
│ Did you download and install one of these versions from gurobi.com?