Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: simple-sendfile (user goal)
rejecting: simple-sendfile-0.2.25, simple-sendfile-0.2.24,
simple-sendfile-0.2.23, simple-sendfile-0.2.22, simple-sendfile-0.2.21,
simple-sendfile-0.2.20, simple-sendfile-0.2.19, simple-sendfile-0.2.18,
simple-sendfile-0.2.17, simple-sendfile-0.2.16, simple-sendfile-0.2.15,
simple-sendfile-0.2.14, simple-sendfile-0.2.13, simple-sendfile-0.2.12,
simple-sendfile-0.2.11, simple-sendfile-0.2.10, simple-sendfile-0.2.9,
simple-sendfile-0.2.8, simple-sendfile-0.2.7, simple-sendfile-0.2.6,
simple-sendfile-0.2.5, simple-sendfile-0.2.4, simple-sendfile-0.2.3,
simple-sendfile-0.2.2, simple-sendfile-0.2.1, simple-sendfile-0.2.0,
simple-sendfile-0.1.3, simple-sendfile-0.1.2, simple-sendfile-0.1.1,
simple-sendfile-0.1.0, simple-sendfile-0.0.2 (constraint from user target
requires ==0.0.1)
trying: simple-sendfile-0.0.1
next goal: base (dependency of simple-sendfile-0.0.1)
rejecting: base-4.9.0.0/installed-4.9... (conflict: simple-sendfile => base>=4
&& <4.5)
rejecting: base-4.9.0.0, base-4.8.2.0, base-4.8.1.0, base-4.8.0.0,
base-4.7.0.2, base-4.7.0.1, base-4.7.0.0, base-4.6.0.1, base-4.6.0.0,
base-4.5.1.0, base-4.5.0.0, base-4.4.1.0, base-4.4.0.0, base-4.3.1.0,
base-4.3.0.0, base-4.2.0.2, base-4.2.0.1, base-4.2.0.0, base-4.1.0.0,
base-4.0.0.0, base-3.0.3.2, base-3.0.3.1 (constraint from non-upgradeable
package requires installed instance)
Dependency tree exhaustively searched.