Resolving dependencies...
cabal: Could not resolve dependencies:
[__0] trying: servant-benchmark-0.1.2.0 (user goal)
[__1] next goal: yaml (dependency of servant-benchmark)
[__1] rejecting: yaml-0.11.5.0 (conflict: servant-benchmark => yaml>=0.11.5.0
&& <0.1)
[__1] skipping: yaml-0.11.4.0, yaml-0.11.3.0, yaml-0.11.2.0, yaml-0.11.1.2,
yaml-0.11.1.1, yaml-0.11.1.0, yaml-0.11.0.0, yaml-0.10.4.0, yaml-0.10.3.0,
yaml-0.10.2.0, yaml-0.10.1.1, yaml-0.10.1, yaml-0.10.0, yaml-0.9.0,
yaml-0.8.32, yaml-0.8.31.1, yaml-0.8.31, yaml-0.8.30, yaml-0.8.29,
yaml-0.8.28, yaml-0.8.27, yaml-0.8.26, yaml-0.8.25.1, yaml-0.8.25,
yaml-0.8.24, yaml-0.8.23.3, yaml-0.8.23.1, yaml-0.8.23, yaml-0.8.22.1,
yaml-0.8.22, yaml-0.8.21.2, yaml-0.8.21.1, yaml-0.8.21, yaml-0.8.20,
yaml-0.8.19.0, yaml-0.8.18.7, yaml-0.8.18.6, yaml-0.8.18.5, yaml-0.8.18.4,
yaml-0.8.18.3, yaml-0.8.18.2, yaml-0.8.18.1, yaml-0.8.18, yaml-0.8.17.2,
yaml-0.8.17.1, yaml-0.8.17, yaml-0.8.16, yaml-0.8.15.3, yaml-0.8.15.2,
yaml-0.8.15.1, yaml-0.8.14, yaml-0.8.13, yaml-0.8.12, yaml-0.8.11,
yaml-0.8.10.1, yaml-0.8.10, yaml-0.8.9.4, yaml-0.8.9.3, yaml-0.8.9.2,
yaml-0.8.9.1, yaml-0.8.9, yaml-0.8.8.4, yaml-0.8.8.3, yaml-0.8.8.2,
yaml-0.8.8.1, yaml-0.8.8, yaml-0.8.7.2, yaml-0.8.7.1, yaml-0.8.7,
yaml-0.8.6.2, yaml-0.8.6.1, yaml-0.8.6, yaml-0.8.5.4, yaml-0.8.5.3,
yaml-0.8.5.2, yaml-0.8.5.1, yaml-0.8.5, yaml-0.8.4.1, yaml-0.8.4, yaml-0.8.3,
yaml-0.8.2.4, yaml-0.8.2.3, yaml-0.8.2.2, yaml-0.8.2.1, yaml-0.8.2,
yaml-0.8.1.2, yaml-0.8.1.1, yaml-0.8.1, yaml-0.8.0.2, yaml-0.8.0.1,
yaml-0.8.0, yaml-0.7.0.4, yaml-0.7.0.3, yaml-0.7.0.2, yaml-0.7.0.1,
yaml-0.7.0, yaml-0.6.1, yaml-0.6.0, yaml-0.5.2, yaml-0.5.1.2, yaml-0.5.1.1,
yaml-0.5.1, yaml-0.5.0.1, yaml-0.5.0, yaml-0.4.1.2, yaml-0.4.1.1, yaml-0.4.1,
yaml-0.4.0, yaml-0.3.0, yaml-0.2.1, yaml-0.2.0, yaml-0.0.4, yaml-0.0.3,
yaml-0.0.2, yaml-0.0.1, yaml-0.0.0 (has the same characteristics that caused
the previous version to fail: excluded by constraint '>=0.11.5.0 && <0.1' from
'servant-benchmark')
[__1] fail (backjumping, conflict set: servant-benchmark, yaml)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: servant-benchmark, yaml