[Nix-dev] Hydra: hashes change?

[Peter Simons]

Unfortunately, my theory was wrong: <http://hydra.nixos.org/build/6157566> is
clearly *not* a Haskell issue:

 | these derivations will be built:
 |   /nix/store/57xga0i378j0vmn89112pmngam1ghfvx-ghdl-wrapper-0.29.drv
 |   /nix/store/l0iy63ynvb6jnhh59vsva1scg8l55jb2-gnat-wrapper-4.5.4.drv
 |   /nix/store/nrgv4g1wj7p6z4v6jb1a4m29gsxg92ms-gnat-4.5.4.drv
 |   /nix/store/yczfk892bbknr6dvjncizv0n8yvvnmnx-ghdl-0.29.drv
 | @ build-started /nix/store/nrgv4g1wj7p6z4v6jb1a4m29gsxg92ms-gnat-4.5.4.drv - i686-linux /nix/var/log/nix/drvs/nr//gv4g1wj7p6z4v6jb1a4m29gsxg92ms-gnat-4.5.4.drv
 | @ build-remote /nix/store/nrgv4g1wj7p6z4v6jb1a4m29gsxg92ms-gnat-4.5.4.drv buildfarm at ike
 | copying 1 missing paths to ‘buildfarm at ike’...
 | hash of path `/nix/store/q9a7adrn8g2d1z80x53wx747xclndwy6-texinfo-4.13a' has changed from `7b7a45f612d700406c7d2ff8538e51193b45ce61a3694afebd3156863a97d0d4' to `9ddbfc43eccf362a57f42b50180714f244831eb789f1fac3b70b748fc497b2c2'! at /nix/store/b8f51a62zy7kjvjznprcy3hibz1gmnk1-nix-1.6/lib/perl5/site_perl/5.16.3/x86_64-linux-thread-multi/Nix/CopyClosure.pm line 50.
 | builder for `/nix/store/nrgv4g1wj7p6z4v6jb1a4m29gsxg92ms-gnat-4.5.4.drv' failed with exit code 255
 | @ hook-failed /nix/store/nrgv4g1wj7p6z4v6jb1a4m29gsxg92ms-gnat-4.5.4.drv - 65280 builder for `/nix/store/nrgv4g1wj7p6z4v6jb1a4m29gsxg92ms-gnat-4.5.4.drv' failed with exit code 255
 | cannot build derivation `/nix/store/l0iy63ynvb6jnhh59vsva1scg8l55jb2-gnat-wrapper-4.5.4.drv': 1 dependencies couldn't be built
 | cannot build derivation `/nix/store/yczfk892bbknr6dvjncizv0n8yvvnmnx-ghdl-0.29.drv': 1 dependencies couldn't be built
 | cannot build derivation `/nix/store/57xga0i378j0vmn89112pmngam1ghfvx-ghdl-wrapper-0.29.drv': 1 dependencies couldn't be built
 | error: build of `/nix/store/57xga0i378j0vmn89112pmngam1ghfvx-ghdl-wrapper-0.29.drv' failed

This doesn't look good.

Peter