• built on NixOS

• Warning: a test defined in passthru.tests did not pass

• 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 5.1.0 with grep in /nix/store/gkv1l2wxld5swk9wmlfps40n6h8x5hzx-python2.7-cbor2-5.1.0

• directory tree listing: https://gist.github.com/1387f441c3fa4c69c4e072e2aa2f47e0

• du listing: https://gist.github.com/c7f8aece5f24eda203067cc189085a0c

12 total rebuild path(s)

3 package rebuild(s)

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

First fifty rebuilds by attrpath
python27Packages.cbor2
python37Packages.cbor2
python38Packages.cbor2

Either download from Cachix:

nix-store -r /nix/store/gkv1l2wxld5swk9wmlfps40n6h8x5hzx-python2.7-cbor2-5.1.0 \
  --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 python27Packages.cbor2 https://github.com/r-ryantm/nixpkgs/archive/862f487b1235a1d97a1b6709b1a999f28ffdfc3e.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/gkv1l2wxld5swk9wmlfps40n6h8x5hzx-python2.7-cbor2-5.1.0
ls -la /nix/store/gkv1l2wxld5swk9wmlfps40n6h8x5hzx-python2.7-cbor2-5.1.0/bin