Resolving dependencies... Starting Only-0.1 Starting StateVar-1.2 Starting SHA-1.6.4.4 Starting base-compat-0.11.1 Building Only-0.1 Building StateVar-1.2 Building SHA-1.6.4.4 Building base-compat-0.11.1 Completed Only-0.1 Starting base-orphans-0.8.2 Completed StateVar-1.2 Starting base-prelude-1.4 Building base-orphans-0.8.2 Building base-prelude-1.4 Completed base-orphans-0.8.2 Starting base16-bytestring-0.1.1.7 Building base16-bytestring-0.1.1.7 Completed base-compat-0.11.1 Starting base64-bytestring-1.2.0.0 Completed SHA-1.6.4.4 Starting basement-0.0.11 Building base64-bytestring-1.2.0.0 Building basement-0.0.11 Completed base-prelude-1.4 Starting blaze-builder-0.4.1.0 Completed base16-bytestring-0.1.1.7 Starting cabal-doctest-1.0.8 Building blaze-builder-0.4.1.0 Building cabal-doctest-1.0.8 Completed base64-bytestring-1.2.0.0 Starting call-stack-0.2.0 Building call-stack-0.2.0 Completed cabal-doctest-1.0.8 Starting cereal-0.5.8.1 Completed blaze-builder-0.4.1.0 Starting clock-0.8 Building cereal-0.5.8.1 Building clock-0.8 Completed call-stack-0.2.0 Starting cmdargs-0.10.20 Building cmdargs-0.10.20 Completed clock-0.8 Starting colour-2.3.5 Building colour-2.3.5 Completed cereal-0.5.8.1 Starting concurrent-split-0.0.1.1 Building concurrent-split-0.0.1.1 Completed concurrent-split-0.0.1.1 Starting concurrentoutput-0.2.0.2 Building concurrentoutput-0.2.0.2 Completed colour-2.3.5 Starting cryptohash-md5-0.11.100.1 Building cryptohash-md5-0.11.100.1 Completed concurrentoutput-0.2.0.2 Starting cryptohash-sha1-0.11.100.1 Building cryptohash-sha1-0.11.100.1 Completed cryptohash-md5-0.11.100.1 Starting cryptohash-sha256-0.11.101.0 Building cryptohash-sha256-0.11.101.0 Completed cryptohash-sha1-0.11.100.1 Starting data-default-class-0.1.2.0 Building data-default-class-0.1.2.0 Completed data-default-class-0.1.2.0 Starting data-fix-0.2.1 Completed cryptohash-sha256-0.11.101.0 Starting dlist-0.8.0.8 Building data-fix-0.2.1 Building dlist-0.8.0.8 Completed data-fix-0.2.1 Starting entropy-0.4.1.6 Completed dlist-0.8.0.8 Starting exceptions-0.10.4 Building exceptions-0.10.4 Building entropy-0.4.1.6 Completed cmdargs-0.10.20 Starting half-0.3 Building half-0.3 Completed exceptions-0.10.4 Starting hashable-1.3.0.0 Building hashable-1.3.0.0 Completed half-0.3 Starting haskell-lexer-1.1 Building haskell-lexer-1.1 Completed entropy-0.4.1.6 Starting hostname-1.0 Building hostname-1.0 Completed hostname-1.0 Starting hourglass-0.2.12 Building hourglass-0.2.12 Completed hashable-1.3.0.0 Starting integer-logarithms-1.0.3 Building integer-logarithms-1.0.3 Completed integer-logarithms-1.0.3 Starting lens-family-core-2.1.0 Building lens-family-core-2.1.0 Completed lens-family-core-2.1.0 Starting lens-family-th-0.5.1.0 Building lens-family-th-0.5.1.0 Completed hourglass-0.2.12 Starting logict-0.7.0.2 Building logict-0.7.0.2 Completed basement-0.0.11 Starting managed-1.0.7 Building managed-1.0.7 Completed lens-family-th-0.5.1.0 Starting mime-types-0.1.0.9 Completed logict-0.7.0.2 Starting monadlist-0.0.2 Building mime-types-0.1.0.9 Completed managed-1.0.7 Starting network-3.1.2.0 Building monadlist-0.0.2 Completed monadlist-0.0.2 Starting network-uri-2.6.3.0 Building network-uri-2.6.3.0 Building network-3.1.2.0 Completed mime-types-0.1.0.9 Starting nix-paths-1.0.1 Failed to install nix-paths-1.0.1 Build log ( /home/builder/.cabal/logs/ghc-8.6.3/nix-paths-1.0.1-HCohO2eCa2W1PWb10AtlHC.log ): cabal: Entering directory '/tmp/cabal-tmp-25100/nix-paths-1.0.1' cabal: Leaving directory '/tmp/cabal-tmp-25100/nix-paths-1.0.1' Starting old-locale-1.0.0.7 Building old-locale-1.0.0.7 Completed network-uri-2.6.3.0 Completed old-locale-1.0.0.7 Completed haskell-lexer-1.1 Completed network-3.1.2.0 cabal: Error: some packages failed to install: hocker-1.0.6-3k1YZljcvsNIG8lXxK1ko0 depends on hocker-1.0.6 which failed to install. nix-paths-1.0.1-HCohO2eCa2W1PWb10AtlHC failed during the configure step. The exception was: dieVerbatim: user error (cabal: '/opt/ghc/bin/ghc' exited with an error: Loaded package environment from /home/builder/hackage-server/.ghc.environment.x86_64-linux-8.6.3 /tmp/cabal-tmp-25100/nix-paths-1.0.1/dist/setup/setup.hs:7:3: error: Ambiguous module name ‘Distribution.PackageDescription’: it was found in multiple packages: Cabal-2.4.0.1 Cabal-2.4.1.0 | 7 | import Distribution.PackageDescription | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ /tmp/cabal-tmp-25100/nix-paths-1.0.1/dist/setup/setup.hs:8:3: error: Ambiguous module name ‘Distribution.Simple’: it was found in multiple packages: Cabal-2.4.0.1 Cabal-2.4.1.0 | 8 | import Distribution.Simple | ^^^^^^^^^^^^^^^^^^^^^^^^^^ /tmp/cabal-tmp-25100/nix-paths-1.0.1/dist/setup/setup.hs:9:3: error: Ambiguous module name ‘Distribution.Simple.LocalBuildInfo’: it was found in multiple packages: Cabal-2.4.0.1 Cabal-2.4.1.0 | 9 | import Distribution.Simple.LocalBuildInfo | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ /tmp/cabal-tmp-25100/nix-paths-1.0.1/dist/setup/setup.hs:10:3: error: Ambiguous module name ‘Distribution.Simple.Program’: it was found in multiple packages: Cabal-2.4.0.1 Cabal-2.4.1.0 | 10 | import Distribution.Simple.Program | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ /tmp/cabal-tmp-25100/nix-paths-1.0.1/dist/setup/setup.hs:11:3: error: Ambiguous module name ‘Distribution.Simple.Setup’: it was found in multiple packages: Cabal-2.4.0.1 Cabal-2.4.1.0 | 11 | import Distribution.Simple.Setup | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ )