• built on NixOS

• The tests defined in passthru.tests, if any, passed

• 0 of 0 passed binary check by having a zero exit code.

• 0 of 0 passed binary check by having the new version present in output.

• found 9.1.1 with grep in /nix/store/zxd7iikp174j8mnipda1xiqf5xm4bwdq-qpdf-9.1.1

• directory tree listing: https://gist.github.com/aa3b22a5b146ec1a2793b18dbfb08722

• du listing: https://gist.github.com/22312240a6de2983a9fd24366faaceed

24 total rebuild path(s)

7 package rebuild(s)

7 x86_64-linux rebuild(s)
7 i686-linux rebuild(s)
3 x86_64-darwin rebuild(s)
7 aarch64-linux rebuild(s)

First fifty rebuilds by attrpath
cups-filters
ocrmypdf
python37Packages.pikepdf
python38Packages.pikepdf
qpdf
splix
system-config-printer

Either download from Cachix:

nix-store -r /nix/store/zxd7iikp174j8mnipda1xiqf5xm4bwdq-qpdf-9.1.1 \
  --option binary-caches 'https://cache.nixos.org/ https://r-ryantm.cachix.org/' \
  --option trusted-public-keys '
  r-ryantm.cachix.org-1:gkUbLkouDAyvBdpBX0JOdIiD2/DP1ldF3Z3Y6Gqcc4c=
  cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
  '

(r-ryantm's Cachix cache is only trusted for this store-path realization.)
For the Cachix download to work, your user must be in the trusted-users list or you can use sudo since root is effectively trusted.

Or, build yourself:

nix-build -A qpdf https://github.com/r-ryantm/nixpkgs/archive/8fb61784376952adae80c9458595053dbcfae0b4.tar.gz

After you've downloaded or built it, look at the files and if there are any, run the binaries:

ls -la /nix/store/zxd7iikp174j8mnipda1xiqf5xm4bwdq-qpdf-9.1.1
ls -la /nix/store/zxd7iikp174j8mnipda1xiqf5xm4bwdq-qpdf-9.1.1/bin