Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: fpco-api (user goal)
rejecting: fpco-api-1.2.0.5, fpco-api-1.2.0.4, fpco-api-1.2.0.3,
fpco-api-1.2.0.2, fpco-api-1.2.0.1, fpco-api-1.2.0, fpco-api-1.1.1.4,
fpco-api-1.1.1.3, fpco-api-1.1.1.2, fpco-api-1.1.1.1, fpco-api-1.1.1,
fpco-api-1.1.0 (constraint from user target requires ==1.0.5)
trying: fpco-api-1.0.5
trying: base-4.9.0.0/installed-4.9... (dependency of fpco-api-1.0.5)
trying: primitive-0.6.2.0 (dependency of conduit-extra-1.1.15)
next goal: vector (dependency of fpco-api-1.0.5)
rejecting: vector-0.11.0.0, vector-0.10.12.3 (conflict: primitive==0.6.2.0,
vector => primitive>=0.5.0.1 && <0.6.2)
rejecting: vector-0.10.12.2, vector-0.10.12.1, vector-0.10.11.0,
vector-0.10.10.0, vector-0.10.9.2, vector-0.10.9.1, vector-0.10.9.0 (conflict:
primitive==0.6.2.0, vector => primitive>=0.5.0.1 && <0.6)
rejecting: vector-0.10.0.1, vector-0.10 (conflict:
base==4.9.0.0/installed-4.9..., vector => base>=4 && <4.7)
rejecting: vector-0.9.1, vector-0.9, vector-0.8, vector-0.7.1, vector-0.7.0.1,
vector-0.7, vector-0.6.0.2, vector-0.6.0.1, vector-0.6, vector-0.5,
vector-0.4.2, vector-0.4.1, vector-0.4, vector-0.3.1, vector-0.3, vector-0.2,
vector-0.1 (conflict: fpco-api => vector>=0.10)
rejecting: vector-0.10.12.0, vector-0.10.9.3 (conflict: primitive==0.6.2.0,
vector => primitive>=0.5.0.1 && <0.6)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).