Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: Obsidian (user goal)
rejecting: Obsidian-0.4.0.0 (constraint from user target requires ==0.1.0.0)
trying: Obsidian-0.1.0.0
trying: deepseq-1.4.2.0/installed-1.4... (dependency of
bytestring-0.10.8.1/installed-0.1...)
trying: srcloc-0.5.1.0 (dependency of mainland-pretty-0.2.7.2)
next goal: language-c-quote (dependency of Obsidian-0.1.0.0)
rejecting: language-c-quote-0.11.7.1, language-c-quote-0.11.7,
language-c-quote-0.11.6.3, language-c-quote-0.11.6.2,
language-c-quote-0.11.6.1, language-c-quote-0.11.6, language-c-quote-0.11.5.1,
language-c-quote-0.11.5, language-c-quote-0.11.4.1, language-c-quote-0.11.4,
language-c-quote-0.11.3, language-c-quote-0.11.2.1, language-c-quote-0.11.2,
language-c-quote-0.11.1, language-c-quote-0.11.0.1, language-c-quote-0.11,
language-c-quote-0.10.2.3, language-c-quote-0.10.2.2,
language-c-quote-0.10.2.1, language-c-quote-0.10.2, language-c-quote-0.10.1.3,
language-c-quote-0.10.1.2, language-c-quote-0.10.1.1, language-c-quote-0.10.1,
language-c-quote-0.10.0, language-c-quote-0.9.0, language-c-quote-0.8.0
(conflict: Obsidian => language-c-quote>=0.7.2 && <0.8)
rejecting: language-c-quote-0.7.7 (conflict: srcloc==0.5.1.0, language-c-quote
=> srcloc>=0.4 && <0.5)
rejecting: language-c-quote-0.7.6, language-c-quote-0.7.5,
language-c-quote-0.7.4, language-c-quote-0.7.2 (conflict: deepseq =>
array==0.5.1.1/installed-0.5..., language-c-quote => array>=0.2 && <0.5)
rejecting: language-c-quote-0.7.1, language-c-quote-0.4.4,
language-c-quote-0.4.3, language-c-quote-0.4.2, language-c-quote-0.4.1,
language-c-quote-0.4.0, language-c-quote-0.3.2, language-c-quote-0.3.1.2,
language-c-quote-0.3.1.1, language-c-quote-0.3.1.0, language-c-quote-0.3.0.1,
language-c-quote-0.3.0.0, language-c-quote-0.2.0.1, language-c-quote-0.2
(conflict: Obsidian => language-c-quote>=0.7.2 && <0.8)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).