Resolving dependencies...
cabal: Could not resolve dependencies:
trying: base-4.9.0.0/installed-4.9... (dependency of hirt-0.0.1.1)
next goal: mwc-random (dependency of hirt-0.0.1.1)
rejecting: mwc-random-0.13.5.0, mwc-random-0.13.4.0, mwc-random-0.13.3.2,
mwc-random-0.13.3.1, mwc-random-0.13.3.0, mwc-random-0.13.2.2,
mwc-random-0.13.2.0, mwc-random-0.13.1.2, mwc-random-0.13.1.1,
mwc-random-0.13.1.0, mwc-random-0.13.0.0 (conflict: hirt => mwc-random>=0.12
&& <0.13)
trying: mwc-random-0.12.0.1
next goal: primitive (dependency of mwc-random-0.12.0.1)
rejecting: primitive-0.6.2.0, primitive-0.6.1.0 (conflict: mwc-random =>
primitive<0.6)
rejecting: primitive-0.5.4.0 (conflict: base==4.9.0.0/installed-4.9...,
primitive => base>=4.3 && <4.9)
rejecting: primitive-0.5.3.0, primitive-0.5.2.1 (conflict:
base==4.9.0.0/installed-4.9..., primitive => base>=4.3 && <4.8)
rejecting: primitive-0.5.1.0 (conflict: base==4.9.0.0/installed-4.9...,
primitive => base>=4 && <4.8)
rejecting: primitive-0.5.0.1, primitive-0.5, primitive-0.4.1,
primitive-0.4.0.1, primitive-0.4, primitive-0.3.1, primitive-0.3 (conflict:
base==4.9.0.0/installed-4.9..., primitive => base>=4 && <4.7)
rejecting: primitive-0.2.1, primitive-0.2, primitive-0.1 (conflict:
base==4.9.0.0/installed-4.9..., primitive => base>=2 && <4.7)
rejecting: primitive-0.6 (conflict: mwc-random => primitive<0.6)
Dependency tree exhaustively searched.