Error fetching msys2 tarballs - crt-git

On Windows 10, I've set up mingw as instructed and then proceeded to run ./configure --enable-tarballs-autodownload which resulted in the following error:

configure: loading site script /mingw64/etc/config.site
checking for gfind... no
checking for find... /usr/bin/find
checking for sort... /usr/bin/sort
checking for GHC version date... inferred 8.7.20181102
checking for GHC Git commit id... inferred f877d9cc99dd1ba0c038e70527031e9ba0934cd3
checking for ghc... /mingw64/bin/ghc
checking version of ghc... 8.4.3
GHC path canonicalised to: /mingw64/bin/ghc
checking build system type... x86_64-w64-mingw32
checking host system type... x86_64-w64-mingw32
checking target system type... x86_64-w64-mingw32
Host platform inferred as: x86_64-unknown-mingw32
Target platform inferred as: x86_64-unknown-mingw32
GHC build  : x86_64-unknown-mingw32
GHC host   : x86_64-unknown-mingw32
GHC target : x86_64-unknown-mingw32
LLVM target: x86_64-unknown-windows
checking for path to top of build tree... D:/ghc
configure: Checking for Windows toolchain tarballs...
######################################################################## 100.0%
######################################################################## 100.0%
md5sum: 'standard input': no properly formatted MD5 checksum lines found

ERROR: mingw-w64-x86_64-crt-git-5.0.0.4795.e3d96cb1-1-any.pkg.tar.xz appears to be corrupted, please delete it and try again.

Error fetching msys2 tarballs; see errors above.

After deleting the said file, the same error occurs. The same error happens when I try to build with Hadrian.

Trac metadata

Trac field	Value
Version	8.6.1
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Build System (make)
Test case
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