Resolving dependencies... Starting cabal-doctest-1.0.8 Starting base-orphans-0.8.2 Starting dlist-0.8.0.8 Starting base-compat-0.11.1 Building cabal-doctest-1.0.8 Building base-orphans-0.8.2 Building dlist-0.8.0.8 Building base-compat-0.11.1 Completed dlist-0.8.0.8 Starting exceptions-0.10.4 Completed cabal-doctest-1.0.8 Starting hashable-1.3.0.0 Building exceptions-0.10.4 Building hashable-1.3.0.0 Completed base-orphans-0.8.2 Starting integer-logarithms-1.0.3 Building integer-logarithms-1.0.3 Completed integer-logarithms-1.0.3 Starting primitive-0.7.0.1 Completed hashable-1.3.0.0 Starting random-1.1 Completed exceptions-0.10.4 Starting tagged-0.8.6 Building primitive-0.7.0.1 Building random-1.1 Building tagged-0.8.6 Completed base-compat-0.11.1 Starting th-abstraction-0.3.2.0 Building th-abstraction-0.3.2.0 Completed tagged-0.8.6 Starting transformers-compat-0.6.5 Completed random-1.1 Starting time-compat-1.9.3 Building transformers-compat-0.6.5 Building time-compat-1.9.3 Completed th-abstraction-0.3.2.0 Starting unordered-containers-0.2.11.0 Building unordered-containers-0.2.11.0 Completed transformers-compat-0.6.5 Starting base-compat-batteries-0.11.1 Building base-compat-batteries-0.11.1 Completed time-compat-1.9.3 Starting distributive-0.6.2 Building distributive-0.6.2 Completed primitive-0.7.0.1 Starting uuid-types-1.0.3 Building uuid-types-1.0.3 Completed base-compat-batteries-0.11.1 Starting vector-0.12.1.2 Building vector-0.12.1.2 Completed distributive-0.6.2 Starting scientific-0.3.6.2 Building scientific-0.3.6.2 Completed unordered-containers-0.2.11.0 Starting comonad-5.0.6 Completed uuid-types-1.0.3 Building comonad-5.0.6 Completed scientific-0.3.6.2 Starting attoparsec-0.13.2.4 Building attoparsec-0.13.2.4 Completed comonad-5.0.6 Starting bifunctors-5.5.7 Building bifunctors-5.5.7 Completed attoparsec-0.13.2.4 Completed bifunctors-5.5.7 Starting assoc-1.0.1 Building assoc-1.0.1 Completed assoc-1.0.1 Starting these-1.1 Building these-1.1 Completed these-1.1 Completed vector-0.12.1.2 Starting aeson-1.5.2.0 Building aeson-1.5.2.0 Completed aeson-1.5.2.0 Starting path-0.8.0 Building path-0.8.0 Completed path-0.8.0 Downloading path-extensions-0.1.0.0 Downloaded path-extensions-0.1.0.0 Starting path-extensions-0.1.0.0 Building path-extensions-0.1.0.0 Failed to install path-extensions-0.1.0.0 Build log ( /home/builder/.cabal/logs/ghc-8.6.3/path-extensions-0.1.0.0-2dAWBHQfdRqKpMUJoWWyCW.log ): cabal: Entering directory '/tmp/cabal-tmp-13638/path-extensions-0.1.0.0' Configuring path-extensions-0.1.0.0... Preprocessing library for path-extensions-0.1.0.0.. Building library for path-extensions-0.1.0.0.. [1 of 2] Compiling Path.Extensions ( src/Path/Extensions.hs, dist/build/Path/Extensions.o ) src/Path/Extensions.hs:64:1: error: Could not load module ‘Data.Text’ It is a member of the hidden package ‘text-1.2.3.1’. Perhaps you need to add ‘text’ to the build-depends in your .cabal file. Use -v to see a list of the files searched for. | 64 | import Data.Text | ^^^^^^^^^^^^^^^^^^^^^^^^^^ cabal: Leaving directory '/tmp/cabal-tmp-13638/path-extensions-0.1.0.0' cabal: Error: some packages failed to install: path-extensions-0.1.0.0-2dAWBHQfdRqKpMUJoWWyCW failed during the building phase. The exception was: ExitFailure 1