Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: diagrams (user goal)
rejecting: diagrams-1.3, 1.2, 1.1.0.1, 1.1, 1.0.0.1 (global constraint
requires ==1.0)
trying: diagrams-1.0
trying: diagrams-1.0:-ps
trying: diagrams-1.0:+svg
next goal: diagrams-svg (dependency of diagrams-1.0:+svg)
rejecting: diagrams-svg-1.3.1.1, 1.3.1, 1.3, 1.1.0.5, 1.1.0.4, 1.1.0.3,
1.1.0.2, 1.1.0.1, 1.1 (conflict: diagrams-1.0:svg => diagrams-svg>=1.0 &&
<1.1)
trying: diagrams-svg-1.0.2.1
trying: base-4.7.0.1/installed-e4b... (dependency of diagrams-svg-1.0.2.1)
trying: hashable-1.2.3.2 (dependency of diagrams-svg-1.0.2.1)
trying: text-1.2.1.0 (dependency of hashable-1.2.3.2)
trying: deepseq-1.3.0.2/installed-733... (dependency of text-1.2.1.0)
next goal: lens (dependency of diagrams-svg-1.0.2.1)
rejecting: lens-4.11, 4.10, 4.9.1, 4.9, 4.8, 4.7.0.1, 4.7, 4.6.0.1, 4.6, 4.5,
4.4.0.2, 4.4.0.1, 4.4, 4.3.3, 4.3.2, 4.3.1, 4.3, 4.2 (conflict: diagrams-svg
=> lens>=3.8 && <4.2)
rejecting: lens-4.1.2.1, 4.1.2, 4.1.1, 4.1, 4.0.7, 4.0.6, 4.0.5 (conflict:
text==1.2.1.0, lens => text>=0.11 && <1.2)
rejecting: lens-4.0.4, 4.0.3, 4.0.2, 4.0.1, 4.0 (conflict:
base==4.7.0.1/installed-e4b..., lens => base>=4.3 && <4.7)
rejecting: lens-3.10.3, 3.10.2, 3.10.1, 3.10.0.1, 3.10 (conflict:
base==4.7.0.1/installed-e4b..., lens => base>=4.4 && <4.7)
rejecting: lens-3.9.2, 3.9.1, 3.9.0.3, 3.9.0.2, 3.9.0.1, 3.9, 3.8.7.3,
3.8.7.2, 3.8.7.1, 3.8.7, 3.8.6, 3.8.5, 3.8.4, 3.8.3, 3.8.2, 3.8.1, 3.8.0.2,
3.8.0.1, 3.8 (conflict: deepseq => array==0.5.0.0/installed-98a..., lens =>
array>=0.3.0.2 && <0.5)
rejecting: lens-3.7.6, 3.7.5, 3.7.4, 3.7.3, 3.7.2, 3.7.1.2, 3.7.1.1, 3.7.1,
3.7.0.2, 3.7.0.1, 3.7, 3.6.0.4, 3.6.0.3, 3.6.0.2, 3.6.0.1, 3.6, 3.5.1, 3.5,
3.4, 3.3, 3.2, 3.1, 3.0.6, 3.0.5, 3.0.4, 3.0.3, 3.0.2, 3.0.1, 3.0, 2.9, 2.8,
2.7.0.1, 2.7, 2.6.1, 2.6, 2.5, 2.4.0.2, 2.4, 2.3, 2.2, 2.1, 2.0, 1.9.1, 1.9,
1.8, 1.7.1, 1.7, 1.6, 1.5, 1.4.1, 1.4, 1.3.1, 1.3, 1.2, 1.1.1, 1.1, 1.0.3,
1.0.2, 1.0.1, 1.0, 0.9, 0.8, 0.7, 0.6, 0.5, 0.4, 0.3, 0.2, 0.1 (conflict:
diagrams-svg => lens>=3.8 && <4.2)
Backjump limit reached (change with --max-backjumps).