Resolving dependencies...
cabal: Could not resolve dependencies:
trying: servant-auth-token-api-0.4.2.2 (dependency of
pdf-slave-server-0.1.2.0)
trying: http-media-0.7.0 (dependency of swagger2-2.1.4)
next goal: servant-swagger (dependency of servant-auth-token-api-0.4.2.2)
rejecting: servant-swagger-1.1.3, servant-swagger-1.1.2.1,
servant-swagger-1.1.2, servant-swagger-1.1.1, servant-swagger-1.1 (conflict:
http-media==0.7.0, servant-swagger => http-media>=0.6.3 && <0.7)
rejecting: servant-swagger-1.0.3, servant-swagger-1.0.2,
servant-swagger-1.0.1, servant-swagger-1.0, servant-swagger-0.1.2,
servant-swagger-0.1.1, servant-swagger-0.1, servant-swagger-0.0.0.1,
servant-swagger-0.0.0.0 (conflict: servant-auth-token-api =>
servant-swagger>=1.1 && <1.2)
Dependency tree exhaustively searched.