Resolving dependencies...
cabal: Could not resolve dependencies:
trying: bkr-0.1.2 (user goal)
trying: http-conduit-2.1.8 (dependency of bkr-0.1.2)
trying: http-client-0.4.24 (dependency of http-conduit-2.1.8)
trying: blaze-builder-0.4.0.1 (dependency of http-client-0.4.24)
next goal: bytestring (dependency of bkr-0.1.2)
rejecting: bytestring-0.10.6.0/installed-236..., 0.10.6.0, 0.10.4.1, 0.10.4.0,
0.10.2.0, 0.10.0.2, 0.10.0.1, 0.10.0.0 (conflict: bkr => bytestring==0.9.*)
rejecting: bytestring-0.9.2.1, 0.9.2.0, 0.9.1.10, 0.9.1.9, 0.9.1.8, 0.9.1.7,
0.9.1.6, 0.9.1.5, 0.9.1.4 (conflict: blaze-builder => bytestring>=0.10.4 &&
<1.0)
rejecting: bytestring-0.9.1.3, 0.9.1.2, 0.9.1.1, 0.9.1.0, 0.9.0.4, 0.9.0.3,
0.9.0.2, 0.9.0.1, 0.9 (conflict: http-conduit => bytestring>=0.9.1.4)
Backjump limit reached (change with --max-backjumps).