Resolving dependencies... Warning: The following packages are likely to be broken by the reinstalls: parsec-3.1.13.0 Cabal-2.4.0.1 Continuing even though the plan contains dangerous reinstalls. Starting cabal-doctest-1.0.8 Starting base-orphans-0.8.2 Starting bytestring-builder-0.10.8.2.0 Starting base-compat-0.11.1 Building cabal-doctest-1.0.8 Building base-orphans-0.8.2 Building bytestring-builder-0.10.8.2.0 Building base-compat-0.11.1 Completed bytestring-builder-0.10.8.2.0 Starting call-stack-0.2.0 Building call-stack-0.2.0 Completed call-stack-0.2.0 Starting colour-2.3.5 Completed cabal-doctest-1.0.8 Starting data-default-class-0.1.2.0 Building colour-2.3.5 Building data-default-class-0.1.2.0 Completed base-orphans-0.8.2 Starting dlist-0.8.0.8 Building dlist-0.8.0.8 Completed data-default-class-0.1.2.0 Starting hashable-1.3.0.0 Building hashable-1.3.0.0 Completed dlist-0.8.0.8 Starting integer-logarithms-1.0.3 Completed base-compat-0.11.1 Starting monad-loops-0.4.3 Building integer-logarithms-1.0.3 Building monad-loops-0.4.3 Completed hashable-1.3.0.0 Starting network-3.1.2.0 Completed colour-2.3.5 Starting old-locale-1.0.0.7 Completed integer-logarithms-1.0.3 Starting parallel-3.2.2.0 Building old-locale-1.0.0.7 Completed monad-loops-0.4.3 Starting prettyprinter-1.6.2 Building parallel-3.2.2.0 Building prettyprinter-1.6.2 Completed old-locale-1.0.0.7 Starting process-1.6.10.0 Building network-3.1.2.0 Completed parallel-3.2.2.0 Starting reflection-2.1.6 Building reflection-2.1.6 Building process-1.6.10.0 Completed prettyprinter-1.6.2 Starting semigroups-0.19.1 Building semigroups-0.19.1 Completed process-1.6.10.0 Starting splitmix-0.1.0.1 Building splitmix-0.1.0.1 Completed reflection-2.1.6 Starting stm-delay-0.1.1.1 Completed semigroups-0.19.1 Starting terminal-size-0.3.2.1 Building stm-delay-0.1.1.1 Building terminal-size-0.3.2.1 Completed splitmix-0.1.0.1 Starting th-abstraction-0.3.2.0 Completed stm-delay-0.1.1.1 Starting transformers-0.5.6.2 Building th-abstraction-0.3.2.0 Building transformers-0.5.6.2 Completed terminal-size-0.3.2.1 Starting type-equality-1 Building type-equality-1 Completed type-equality-1 Starting unix-compat-0.5.2 Completed network-3.1.2.0 Starting void-0.7.3 Building unix-compat-0.5.2 Building void-0.7.3 Completed void-0.7.3 Starting zlib-0.6.2.2 Completed th-abstraction-0.3.2.0 Starting time-compat-1.9.3 Building zlib-0.6.2.2 Completed unix-compat-0.5.2 Starting data-default-instances-containers-0.0.1 Building time-compat-1.9.3 Building data-default-instances-containers-0.0.1 Completed data-default-instances-containers-0.0.1 Starting data-default-instances-dlist-0.0.1 Building data-default-instances-dlist-0.0.1 Completed data-default-instances-dlist-0.0.1 Starting base-compat-batteries-0.11.1 Building base-compat-batteries-0.11.1 Completed time-compat-1.9.3 Starting unordered-containers-0.2.12.0 Building unordered-containers-0.2.12.0 Completed zlib-0.6.2.2 Starting async-2.2.2 Building async-2.2.2 Completed transformers-0.5.6.2 Starting ansi-terminal-0.9.1 Building ansi-terminal-0.9.1 Completed async-2.2.2 Starting data-default-instances-old-locale-0.0.1 Building data-default-instances-old-locale-0.0.1 Completed base-compat-batteries-0.11.1 Starting zlib-bindings-0.1.1.5 Completed data-default-instances-old-locale-0.0.1 Starting unliftio-core-0.2.0.1 Building zlib-bindings-0.1.1.5 Building unliftio-core-0.2.0.1 Completed ansi-terminal-0.9.1 Starting transformers-compat-0.6.5 Completed unliftio-core-0.2.0.1 Starting tagged-0.8.6 Building transformers-compat-0.6.5 Completed zlib-bindings-0.1.1.5 Starting primitive-0.7.1.0 Building tagged-0.8.6 Building primitive-0.7.1.0 Completed unordered-containers-0.2.12.0 Starting mtl-2.2.2 Completed transformers-compat-0.6.5 Starting StateVar-1.2 Completed tagged-0.8.6 Starting data-default-0.7.1.1 Building mtl-2.2.2 Building StateVar-1.2 Building data-default-0.7.1.1 Completed data-default-0.7.1.1 Starting transformers-base-0.4.5.2 Completed StateVar-1.2 Starting distributive-0.6.2 Building transformers-base-0.4.5.2 Completed mtl-2.2.2 Starting contravariant-1.5.2 Completed transformers-base-0.4.5.2 Starting random-1.2.0 Building contravariant-1.5.2 Building distributive-0.6.2 Building random-1.2.0 Completed distributive-0.6.2 Starting exceptions-0.10.4 Completed contravariant-1.5.2 Starting constraints-0.12 Building exceptions-0.10.4 Building constraints-0.12 Completed primitive-0.7.1.0 Starting monad-control-1.0.2.3 Building monad-control-1.0.2.3 Completed random-1.2.0 Starting comonad-5.0.6 Completed exceptions-0.10.4 Starting vector-0.12.1.2 Building vector-0.12.1.2 Completed monad-control-1.0.2.3 Starting scientific-0.3.6.2 Building scientific-0.3.6.2 Building comonad-5.0.6 Completed constraints-0.12 Starting uuid-types-1.0.3 Building uuid-types-1.0.3 Completed scientific-0.3.6.2 Starting lifted-base-0.2.3.12 Building lifted-base-0.2.3.12 Completed comonad-5.0.6 Starting attoparsec-0.13.2.4 Completed uuid-types-1.0.3 Starting bifunctors-5.5.7 Building attoparsec-0.13.2.4 Building bifunctors-5.5.7 Completed lifted-base-0.2.3.12 Starting lifted-async-0.10.1.2 Building lifted-async-0.10.1.2 Completed lifted-async-0.10.1.2 Starting enclosed-exceptions-1.0.3 Building enclosed-exceptions-1.0.3 Completed enclosed-exceptions-1.0.3 Starting shelly-1.9.0 Building shelly-1.9.0 Completed attoparsec-0.13.2.4 Completed bifunctors-5.5.7 Starting profunctors-5.5.2 Starting semigroupoids-5.3.4 Building profunctors-5.5.2 Building semigroupoids-5.3.4 Completed shelly-1.9.0 Starting which-0.1.0.0 Building which-0.1.0.0 Completed which-0.1.0.0 Completed profunctors-5.5.2 Starting invariant-0.5.3 Building invariant-0.5.3 Completed semigroupoids-5.3.4 Starting free-5.1.3 Building free-5.1.3 Completed vector-0.12.1.2 Starting io-streams-1.5.2.0 Starting aeson-1.4.7.1 Building io-streams-1.5.2.0 Building aeson-1.4.7.1 Completed invariant-0.5.3 Completed io-streams-1.5.2.0 Completed free-5.1.3 Starting logging-effect-1.3.11 Starting adjunctions-4.4 Building adjunctions-4.4 Building logging-effect-1.3.11 Completed logging-effect-1.3.11 Completed adjunctions-4.4 Starting kan-extensions-5.2 Building kan-extensions-5.2 Completed kan-extensions-5.2 Starting lens-4.17.1 Completed aeson-1.4.7.1 Building lens-4.17.1 Completed lens-4.17.1 Starting cli-extras-0.1.0.0 Building cli-extras-0.1.0.0 Failed to install cli-extras-0.1.0.0 Build log ( /home/builder/.cabal/logs/ghc-8.6.3/cli-extras-0.1.0.0-AwbEAXw43jjAtgNOQH0I3p.log ): cabal: Entering directory '/tmp/cabal-tmp-1655/cli-extras-0.1.0.0' Configuring cli-extras-0.1.0.0... Preprocessing library for cli-extras-0.1.0.0.. Building library for cli-extras-0.1.0.0.. [1 of 9] Compiling Bindings.Cli.Coreutils ( src/Bindings/Cli/Coreutils.hs, dist/build/Bindings/Cli/Coreutils.o ) src/Bindings/Cli/Coreutils.hs:7:8: error: • staticWhich: Path to executable "cp" was found in "/bin/cp" which is not in /nix/store. Be sure to add the relevant package to 'backendTools' in default.nix. • In the untyped splice: $(staticWhich "cp") | 7 | cp = $(staticWhich "cp") | ^^^^^^^^^^^^^^^^ cabal: Leaving directory '/tmp/cabal-tmp-1655/cli-extras-0.1.0.0' cabal: Error: some packages failed to install: cli-extras-0.1.0.0-AwbEAXw43jjAtgNOQH0I3p failed during the building phase. The exception was: ExitFailure 1 cli-nix-0.1.0.0-8G8rqRPnyJmLtDfiZVRarH depends on cli-nix-0.1.0.0 which failed to install.