• 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 20.0.0 with grep in /nix/store/a93w3agk85592qk51crgy4vvn0b4gsyv-python2.7-txtorcon-20.0.0

• directory tree listing: https://gist.github.com/05f26ee17feab3963d38fad3d5d8f2ed

• du listing: https://gist.github.com/3fa18338e089c09bffb48fb8445f8849

34 total rebuild path(s)

9 package rebuild(s)

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

First fifty rebuilds by attrpath
gnome-keysign
magic-wormhole
python27Packages.magic-wormhole
python27Packages.txtorcon
python37Packages.magic-wormhole
python37Packages.txtorcon
python38Packages.magic-wormhole
python38Packages.txtorcon
tahoe-lafs

Either download from Cachix:

nix-store -r /nix/store/a93w3agk85592qk51crgy4vvn0b4gsyv-python2.7-txtorcon-20.0.0 \
  --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.txtorcon https://github.com/r-ryantm/nixpkgs/archive/f81722c0cb666128296391ac7cecaee96591315b.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/a93w3agk85592qk51crgy4vvn0b4gsyv-python2.7-txtorcon-20.0.0
ls -la /nix/store/a93w3agk85592qk51crgy4vvn0b4gsyv-python2.7-txtorcon-20.0.0/bin