https://buildd.debian.org/status/package.php?p=haskell-store-core&suite=sid

...
src/Data/Store/Core.hs:52:28: error:
    Module ‘GHC.Prim’ does not export ‘unsafeCoerce#’
   |
52 | import           GHC.Prim (unsafeCoerce#, RealWorld, ByteArray#, copyByteArrayToAddr#, copyAddrToByteArray#)
   |                            ^^^^^^^^^^^^^
 at /usr/share/perl5/Debian/Debhelper/Buildsystem/Haskell/Recipes.pm line 107.
	Debian::Debhelper::Buildsystem::Haskell::Recipes::run_quiet("debian/hlibrary.setup", "haddock", "--builddir=dist-ghc", "--with-haddock=/usr/bin/haddock", "--with-ghc=ghc", "--verbose=2", "--html", "--hoogle", ...) called at /usr/share/perl5/Debian/Debhelper/Buildsystem/Haskell/Recipes.pm line 131
	Debian::Debhelper::Buildsystem::Haskell::Recipes::run("debian/hlibrary.setup", "haddock", "--builddir=dist-ghc", "--with-haddock=/usr/bin/haddock", "--with-ghc=ghc", "--verbose=2", "--html", "--hoogle", ...) called at /usr/share/perl5/Debian/Debhelper/Buildsystem/Haskell/Recipes.pm line 707
	Debian::Debhelper::Buildsystem::Haskell::Recipes::haddock_recipe() called at -e line 1
make: *** [/usr/share/cdbs/1/class/hlibrary.mk:153: build-ghc-stamp] Error 25

We believe that the bug you reported is fixed in the latest version of
haskell-store-core, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1013793@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Ilias Tsitsimpis <iliastsi@debian.org> (supplier of updated haskell-store-core package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Sun, 03 Jul 2022 13:54:22 +0300
Source: haskell-store-core
Architecture: source
Version: 0.4.4.4-1
Distribution: unstable
Urgency: medium
Maintainer: Debian Haskell Group <pkg-haskell-maintainers@lists.alioth.debian.org>
Changed-By: Ilias Tsitsimpis <iliastsi@debian.org>
Closes: 1013793
Changes:
 haskell-store-core (0.4.4.4-1) unstable; urgency=medium
 .
   * New upstream release (Closes: #1013793)
   * Declare compliance with Debian policy 4.6.1
Checksums-Sha1:
 102d168f5a8697d7b906796bda5809dc7ca03aba 2345 haskell-store-core_0.4.4.4-1.dsc
 9438167901f958e9f1bd02e2fc0ecf171f3d497a 7857 haskell-store-core_0.4.4.4.orig.tar.gz
 2db7123335537bf1c14f8887e9b221443caac4b9 2376 haskell-store-core_0.4.4.4-1.debian.tar.xz
 0a77743aeddc5d44806541e27bff807db4114ddf 8521 haskell-store-core_0.4.4.4-1_amd64.buildinfo
Checksums-Sha256:
 c5ec094754806d9f6eb9685e709fee28e5d7da06f0528e678f3cf2bf7b57ab42 2345 haskell-store-core_0.4.4.4-1.dsc
 1e204ffb4c494808ac64bec2381f2a2c4d18fac70ad325559a7cc11bcae54140 7857 haskell-store-core_0.4.4.4.orig.tar.gz
 4eed6448716d3be10d4ed13121efb7c39593eaefad5882fba491ec02211dedd8 2376 haskell-store-core_0.4.4.4-1.debian.tar.xz
 2337f11e3dcaa44793d262728380d924947e87c4a7cda1ccbb6ad1cf092758e2 8521 haskell-store-core_0.4.4.4-1_amd64.buildinfo
Files:
 5f8584e7df4cca19bb9de29d17903e9a 2345 haskell optional haskell-store-core_0.4.4.4-1.dsc
 b8d7c9849ae91e4331a5ec4db6556e7c 7857 haskell optional haskell-store-core_0.4.4.4.orig.tar.gz
 0d6feae27823619a33c44d487997bcde 2376 haskell optional haskell-store-core_0.4.4.4-1.debian.tar.xz
 72cc5b7eb9230d8b2b774aeb088deadd 8521 haskell optional haskell-store-core_0.4.4.4-1_amd64.buildinfo
-----BEGIN PGP SIGNATURE-----
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=oz49
-----END PGP SIGNATURE-----