Resolving dependencies... cabal: Could not resolve dependencies: next goal: synthesizer-core (user goal) rejecting: synthesizer-core-0.7.1, 0.7.0.2, 0.7.0.1, 0.7, 0.6, 0.5.2, 0.5.1, 0.5.0.1, 0.5, 0.4.2, 0.4.1, 0.4.0.4, 0.4.0.3, 0.4.0.2, 0.4.0.1, 0.4, 0.3.1, 0.3.0.1 (global constraint requires ==0.3) trying: synthesizer-core-0.3 trying: base-4.8.1.0/installed-4f7... (dependency of synthesizer-core-0.3) next goal: binary (dependency of synthesizer-core-0.3) rejecting: binary-0.7.5.0/installed-072... (conflict: binary => bytestring==0.10.6.0/installed-236..., synthesizer-core => bytestring>=0.9 && <0.10) trying: binary-0.7.6.1 trying: containers-0.5.6.2/installed-2de... (dependency of binary-0.7.6.1) next goal: bytestring (dependency of synthesizer-core-0.3) 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: synthesizer-core => bytestring>=0.9 && <0.10) trying: bytestring-0.9.2.1 next goal: numeric-prelude (dependency of synthesizer-core-0.3) rejecting: numeric-prelude-0.4.2, 0.4.1, 0.4.0.3, 0.4.0.2, 0.4.0.1, 0.4, 0.3.0.2, 0.3.0.1, 0.3, 0.2.2.1, 0.2.2, 0.2.1, 0.2 (conflict: synthesizer-core => numeric-prelude>=0.1.2 && <0.2) trying: numeric-prelude-0.1.3.4 trying: parsec-3.1.9 (dependency of numeric-prelude-0.1.3.4) next goal: text (dependency of parsec-3.1.9) rejecting: text-1.2.1.3, 1.2.1.2, 1.2.1.1, 1.2.1.0, 1.2.0.6, 1.2.0.5, 1.2.0.4, 1.2.0.3, 1.2.0.2 (conflict: bytestring==0.9.2.1, text => bytestring>=0.10.4.0) rejecting: text-1.2.0.0, 1.1.1.4, 1.1.1.3, 1.1.1.2, 1.1.1.1, 1.1.1.0, 1.1.0.1, 1.1.0.0, 1.0.0.1, 1.0.0.0, 0.11.3.1, 0.11.3.0, 0.11.2.3, 0.11.2.2, 0.11.2.1, 0.11.2.0, 0.11.1.13, 0.11.1.12, 0.11.1.11, 0.11.1.10, 0.11.1.9, 0.11.1.8, 0.11.1.7, 0.11.1.6, 0.11.1.5, 0.11.1.3, 0.11.1.2, 0.11.1.1 (conflict: containers => deepseq==1.4.1.1/installed-8fb..., text => deepseq>=1.1.0.0 && <1.4) rejecting: text-0.11.1.0 (conflict: base==4.8.1.0/installed-4f7..., text => base<0) rejecting: text-0.11.0.8, 0.11.0.7 (conflict: base==4.8.1.0/installed-4f7..., text => base<4.6) rejecting: text-0.11.0.6, 0.11.0.5 (conflict: base==4.8.1.0/installed-4f7..., text => base<4.4) rejecting: text-0.11.0.4 (conflict: base==4.8.1.0/installed-4f7..., text => base<0) rejecting: text-0.11.0.3, 0.11.0.2, 0.11.0.1, 0.11.0.0, 0.10.0.2, 0.10.0.1, 0.10.0.0, 0.9.1.0, 0.9.0.1 (conflict: base==4.8.1.0/installed-4f7..., text => base<4.4) rejecting: text-0.9.0.0, 0.8.1.0, 0.8.0.0, 0.7.2.1 (conflict: base==4.8.1.0/installed-4f7..., text => base<4.3) rejecting: text-0.7.1.0, 0.7.0.1, 0.7, 0.6 (conflict: base==4.8.1.0/installed-4f7..., text => base<4.4) rejecting: text-0.5, 0.4, 0.3, 0.2 (conflict: base==4.8.1.0/installed-4f7..., text => base<4.3) rejecting: text-0.1 (conflict: parsec => text>=0.2 && <1.3) Backjump limit reached (change with --max-backjumps).