Host Environment

• OS: windows10
• Compiler: Microsoft (R) C/C++ Optimizing Compiler Version 19.26.28806 for x86

To Reproduce
Steps to reproduce the behavior:
./vcpkg install azure-storage-cpp:x64-windows

Failure logs
F:\dv>.\vcpkg\vcpkg install azure-storage-cpp:x64-windows
Computing installation plan...
A suitable version of cmake was not found (required v3.17.2). Downloading portable cmake v3.17.2...
Downloading cmake...
https://github.com/Kitware/CMake/releases/download/v3.17.2/cmake-3.17.2-win32-x86.zip -> F:\dv\vcpkg\downloads\cmake-3.17.2-win32-x86.zip
Extracting cmake...
A suitable version of 7zip was not found (required v18.1.0). Downloading portable 7zip v18.1.0...
Downloading 7zip...
https://www.nuget.org/api/v2/package/7-Zip.CommandLine/18.1.0 -> F:\dv\vcpkg\downloads\7-zip.commandline.18.1.0.nupkg
Extracting 7zip...
A suitable version of nuget was not found (required v5.5.1). Downloading portable nuget v5.5.1...
Downloading nuget...
https://dist.nuget.org/win-x86-commandline/v5.5.1/nuget.exe -> F:\dv\vcpkg\downloads\22ea847d-nuget.exe
The following packages will be built and installed:

• atlmfc[core]:x64-windows
  azure-storage-cpp[core]:x64-windows
• brotli[core]:x64-windows
• cpprestsdk[brotli,compression,core,default-features]:x64-windows
• zlib[core]:x64-windows
  Additional packages (*) will be modified to complete this operation.
  Detecting compiler hash for triplet x64-windows...
  A suitable version of git was not found (required v2.26.2). Downloading portable git v2.26.2...
  Downloading git...
  https://github.com/git-for-windows/git/releases/download/v2.26.2.windows.1/PortableGit-2.26.2-32-bit.7z.exe -> F:\dv\vcpkg\downloads\PortableGit-2.26.2-32-bit.7z.exe
  Extracting git...
  A suitable version of powershell-core was not found (required v6.2.1). Downloading portable powershell-core v6.2.1...
  Downloading powershell-core...
  https://github.com/PowerShell/PowerShell/releases/download/v6.2.1/PowerShell-6.2.1-win-x86.zip -> F:\dv\vcpkg\downloads\PowerShell-6.2.1-win-x86.zip
  Extracting powershell-core...
  Starting package 1/5: atlmfc:x64-windows
  Building package atlmfc[core]:x64-windows...
  Could not locate cached archive: C:\Users\danbe\AppData\Local\vcpkg\archives\80\80f63f6fd9f2f14d01bb78a11ae08b73b2cd63b6.zip
  -- Performing post-build validation
  -- Performing post-build validation done
  Stored binary cache: C:\Users\danbe\AppData\Local\vcpkg\archives\80\80f63f6fd9f2f14d01bb78a11ae08b73b2cd63b6.zip
  Building package atlmfc[core]:x64-windows... done
  Installing package atlmfc[core]:x64-windows...
  Installing package atlmfc[core]:x64-windows... done
  Elapsed time for package atlmfc:x64-windows: 173.3 ms
  Starting package 2/5: brotli:x64-windows
  Building package brotli[core]:x64-windows...
  Using cached binary package: C:\Users\danbe\AppData\Local\vcpkg\archives\5d\5d44267b857cfe9cd6c18c987453ffb28d098967.zip
  Building package brotli[core]:x64-windows... done
  Installing package brotli[core]:x64-windows...
  Installing package brotli[core]:x64-windows... done
  Elapsed time for package brotli:x64-windows: 558.5 ms
  Starting package 3/5: zlib:x64-windows
  Building package zlib[core]:x64-windows...
  Could not locate cached archive: C:\Users\danbe\AppData\Local\vcpkg\archives\03\0351ec94d04fdb48771e041a2fd936602b3f9189.zip
  -- Downloading http://www.zlib.net/zlib-1.2.11.tar.gz...
  -- Extracting source F:/dv/vcpkg/downloads/zlib1211.tar.gz
  -- Applying patch cmake_dont_build_more_than_needed.patch
  -- Using source at F:/dv/vcpkg/buildtrees/zlib/src/1.2.11-deec42f53b.clean
  -- Configuring x64-windows
  -- Building x64-windows-dbg
  -- Building x64-windows-rel
  -- Fixing pkgconfig
  -- Acquiring MSYS2...
  -- Downloading https://sourceforge.net/projects/msys2/files/Base/x86_64/msys2-base-x86_64-20190524.tar.xz/download...
  gpg: /etc/pacman.d/gnupg/trustdb.gpg: trustdb created
  gpg: no ultimately trusted keys found
  gpg: starting migration from earlier GnuPG versions
  gpg: porting secret keys from '/etc/pacman.d/gnupg/secring.gpg' to gpg-agent
  gpg: migration succeeded
  gpg: Generating pacman keyring master key...
  gpg: key E95718813F093C59 marked as ultimately trusted
  gpg: directory '/etc/pacman.d/gnupg/openpgp-revocs.d' created
  gpg: revocation certificate stored as '/etc/pacman.d/gnupg/openpgp-revocs.d/3D6BA53AE645DB53E11888E6E95718813F093C59.rev'
  gpg: Done
  ==> Updating trust database...
  gpg: marginals needed: 3 completes needed: 1 trust model: pgp
  gpg: depth: 0 valid: 1 signed: 0 trust: 0-, 0q, 0n, 0m, 0f, 1u
  ==> Appending keys from msys2.gpg...
  ==> Locally signing trusted keys in keyring...
  -> Locally signing key D55E7A6D7CE9BA1587C0ACACF40D263ECA25678A...
  -> Locally signing key 123D4D51A1793859C2BE916BBBE514E53E0D0813...
  -> Locally signing key B91BCF3303284BF90CC043CA9F418C233E652008...
  -> Locally signing key 9DD0D4217D75A33B896159E6DA7EF2ABAEEA755C...
  ==> Importing owner trust values...
  gpg: setting ownertrust to 4
  gpg: setting ownertrust to 4
  gpg: setting ownertrust to 4
  gpg: inserting ownertrust of 4
  ==> Updating trust database...
  gpg: marginals needed: 3 completes needed: 1 trust model: pgp
  gpg: depth: 0 valid: 1 signed: 4 trust: 0-, 0q, 0n, 0m, 0f, 1u
  gpg: depth: 1 valid: 4 signed: 3 trust: 0-, 0q, 0n, 4m, 0f, 0u
  gpg: depth: 2 valid: 3 signed: 0 trust: 3-, 0q, 0n, 0m, 0f, 0u
  :: Synchronizing package databases...
  downloading mingw32.db...
  downloading mingw32.db.sig...
  error: mingw32: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" is unknown
  error: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" could not be looked up remotely
  error: failed to update mingw32 (invalid or corrupted database (PGP signature))
  downloading mingw64.db...
  downloading mingw64.db.sig...
  error: mingw64: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" is unknown
  error: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" could not be looked up remotely
  error: failed to update mingw64 (invalid or corrupted database (PGP signature))
  downloading msys.db...
  downloading msys.db.sig...
  error: msys: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" is unknown
  error: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" could not be looked up remotely
  error: failed to update msys (invalid or corrupted database (PGP signature))
  error: failed to synchronize all databases
  error: mingw32: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" is unknown
  error: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" could not be looked up remotely
  error: mingw64: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" is unknown
  error: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" could not be looked up remotely
  error: msys: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" is unknown
  error: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" could not be looked up remotely
  checking dependencies...

Packages (2) rebase-4.4.4-1 dash-0.5.10.2-1

Total Removed Size: 1.12 MiB

:: Do you want to remove these packages? [Y/n]
:: Processing package changes...
removing rebase...
removing dash...
error: mingw32: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" is unknown
error: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" could not be looked up remotely
error: mingw64: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" is unknown
error: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" could not be looked up remotely
error: msys: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" is unknown
error: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" could not be looked up remotely
:: Synchronizing package databases...
downloading mingw32.db...
downloading mingw32.db.sig...
error: mingw32: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" is unknown
error: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" could not be looked up remotely
error: failed to update mingw32 (invalid or corrupted database (PGP signature))
downloading mingw64.db...
downloading mingw64.db.sig...
error: mingw64: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" is unknown
error: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" could not be looked up remotely
error: failed to update mingw64 (invalid or corrupted database (PGP signature))
downloading msys.db...
downloading msys.db.sig...
error: msys: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" is unknown
error: key "4A6129F4E4B84AE46ED7F635628F528CF3053E04" could not be looked up remotely
error: failed to update msys (invalid or corrupted database (PGP signature))
error: failed to synchronize all databases
-- Acquiring MSYS2... OK
-- Acquiring MSYS Packages...
CMake Error at scripts/cmake/vcpkg_execute_required_process.cmake:72 (message):
Command failed: F:/dv/vcpkg/downloads/tools/msys2/msys64/usr/bin/bash.exe --noprofile --norc -c "pacman -S --noconfirm --needed pkg-config"
Working Directory: F:/dv/vcpkg/downloads/tools/msys2
Error code: 1
See logs for more information:
F:\dv\vcpkg\buildtrees\zlib\msys-pacman-x64-windows-err.log
msys-pacman-x64-windows-err.log
msys-pacman-x64-windows-err.log
msys-pacman-x64-windows-err.log

Call Stack (most recent call first):
scripts/cmake/vcpkg_acquire_msys.cmake:127 (vcpkg_execute_required_process)
scripts/cmake/vcpkg_fixup_pkgconfig.cmake:281 (vcpkg_acquire_msys)
ports/zlib/portfile.cmake:46 (vcpkg_fixup_pkgconfig)
scripts/ports.cmake:79 (include)

Additional context
vcpkg.exe hangs at end. Does not exit.