/nix/store/g41ihaglz50g39j4yvpxlm8kzd8987yd-cardano-ledger-core-lib-cardano-ledger-core-1.15.0.0.drv

Running phase: unpackPhase
unpacking source archive /nix/store/61dpnnja4sg39aixy8cah0qf2l2s0cwn-cardano-ledger-core-1.15.0.0.tar.gz
source root is cardano-ledger-core-1.15.0.0
setting SOURCE_DATE_EPOCH to timestamp 1000000000 of file cardano-ledger-core-1.15.0.0/testlib/Test/Cardano/Ledger/TreeDiff.hs
Running phase: patchPhase
'/private/tmp/nix-build-cardano-ledger-core-lib-cardano-ledger-core-1.15.0.0.drv-0/.attr-0h9ydb7s8pfhl5kfs3rmmwnmpi49yyiw7jgr5dpw9rmvv8sy0f2b' -> 'cardano-ledger-core.cabal'
Running phase: updateAutotoolsGnuConfigScriptsPhase
Running phase: configurePhase
Configure flags:
--prefix=/nix/store/zdrk2fjwcm63jwf48qnys8qdk9j9a52j-cardano-ledger-core-lib-cardano-ledger-core-1.15.0.0 lib:cardano-ledger-core --package-db=clear --package-db=/private/tmp/nix-build-cardano-ledger-core-lib-cardano-ledger-core-1.15.0.0.drv-0/tmp.eaSblzzfLG/lib/ghc-8.10.7/package.conf.d --flags=-asserts --exact-configuration --dependency=FailT=FailT-0.1.2.0-Iijg82vbSzv61NWYeUZs0K --dependency=text=text-1.2.5.0-7HzqLxDuiEb8gVy2lWSMVf --dependency=binary=binary-0.8.9.2-87TzWYdfjdODA78cghok6c --dependency=bytestring=bytestring-0.11.5.3-6mSyG1QdbO53J8roJ6DH5T --dependency=bytestring=bytestring-0.11.5.3-6mSyG1QdbO53J8roJ6DH5T --dependency=aeson=aeson-2.2.3.0-3kYKc50w7lgArQaF4xIroR --dependency=OneTuple=OneTuple-0.4.2-9duipMciyNX6P1AqluVc4c --dependency=base-orphans=base-orphans-0.9.3-AkZB4T8UgbJ4LJBFZY9fS8 --dependency=foldable1-classes-compat=foldable1-classes-compat-0.1.1-J6IIJfxzdv9IUg7torH6C6 --dependency=tagged=tagged-0.8.9-KNlnLwFIlpVLBgmJQRDFFc 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--dependency=contra-tracer=contra-tracer-0.1.0.2-E84Bz9Tuf3AEXFI1bq4DYL --dependency=digest=digest-0.0.2.1-5fOiiQKlu5CALgn6wtbZVG --dependency=streaming-binary=streaming-binary-0.3.0.1-6XA2NHzUzL08JheJkifxFe --dependency=streaming-bytestring=streaming-bytestring-0.3.3-JNxQBfeZsD06sdLqkxJVuf --dependency=streaming=streaming-0.2.4.0-IClTtu0QusgB17htM3FyRX --dependency=streaming=streaming-0.2.4.0-IClTtu0QusgB17htM3FyRX --dependency=groups=groups-0.5.3-Iw3jQ1tB8kvAxpI5pbU2oG --dependency=measures=measures-0.1.0.2-J8tsuBd7AN52f7lix0Q9Fc --dependency=non-integral=non-integral-1.0.0.0-LvMaVvF51YJ3DCTAdWBHW --dependency=partial-order=partial-order-0.2.0.0-9LGZ0rVq5G96lzXqq6r44o --dependency=small-steps=small-steps-1.1.0.1-IeBYWasTo0K31uvPvFwKTe --dependency=validation-selective=validation-selective-0.2.0.0.0.0.0.0.1-GvpODnV4FdLFoezXpFzmns --dependency=selective=selective-0.6-LhE7IjCsRPM8X56D91poyl --dependency=utf8-string=utf8-string-1.0.2-If4LOUnpICRKwuIZn7DlIS --dependency=array=array-0.5.4.0 --dependency=base=base-4.14.3.0 --dependency=containers=containers-0.6.5.1 --dependency=deepseq=deepseq-1.4.4.0 --dependency=exceptions=exceptions-0.10.4 --dependency=ghc-boot-th=ghc-boot-th-8.10.7 --dependency=ghc-heap=ghc-heap-8.10.7 --dependency=ghc-prim=ghc-prim-0.6.1 --dependency=integer-gmp=integer-gmp-1.0.3.0 --dependency=mtl=mtl-2.2.2 --dependency=pretty=pretty-1.1.3.6 --dependency=rts=rts --dependency=stm=stm-2.5.0.1 --dependency=template-haskell=template-haskell-2.16.0.0 --dependency=time=time-1.9.3 --dependency=transformers=transformers-0.5.6.2 --with-ghc=ghc --with-ghc-pkg=ghc-pkg --with-hsc2hs=hsc2hs --with-gcc=cc --with-ar=ar --with-strip=strip --disable-executable-stripping --disable-library-stripping --disable-library-profiling --disable-profiling --enable-static --enable-shared --disable-executable-dynamic --disable-coverage --enable-library-for-ghci --datadir=/nix/store/5ccc61ws2jh1ck2m8brgxjhgid3y9y8y-cardano-ledger-core-lib-cardano-ledger-core-1.15.0.0-data/share/ghc-8.10.7-llvm --ghc-option=-fPIC --gcc-option=-fPIC 
Configuring library for cardano-ledger-core-1.15.0.0..
Running phase: buildPhase
Preprocessing library for cardano-ledger-core-1.15.0.0..
Building library for cardano-ledger-core-1.15.0.0..
[ 1 of 51] Compiling Cardano.Ledger.Ap ( src/Cardano/Ledger/Ap.hs, dist/build/Cardano/Ledger/Ap.o, dist/build/Cardano/Ledger/Ap.dyn_o )
[ 2 of 51] Compiling Cardano.Ledger.Compactible ( src/Cardano/Ledger/Compactible.hs, dist/build/Cardano/Ledger/Compactible.o, dist/build/Cardano/Ledger/Compactible.dyn_o )
[ 3 of 51] Compiling Cardano.Ledger.Crypto ( src/Cardano/Ledger/Crypto.hs, dist/build/Cardano/Ledger/Crypto.o, dist/build/Cardano/Ledger/Crypto.dyn_o )
[ 4 of 51] Compiling Cardano.Ledger.Core.Era ( src/Cardano/Ledger/Core/Era.hs, dist/build/Cardano/Ledger/Core/Era.o, dist/build/Cardano/Ledger/Core/Era.dyn_o )
[ 5 of 51] Compiling Cardano.Ledger.Genesis ( src/Cardano/Ledger/Genesis.hs, dist/build/Cardano/Ledger/Genesis.o, dist/build/Cardano/Ledger/Genesis.dyn_o )
[ 6 of 51] Compiling Cardano.Ledger.Core.Translation ( src/Cardano/Ledger/Core/Translation.hs, dist/build/Cardano/Ledger/Core/Translation.o, dist/build/Cardano/Ledger/Core/Translation.dyn_o )
[ 7 of 51] Compiling Cardano.Ledger.HKD ( src/Cardano/Ledger/HKD.hs, dist/build/Cardano/Ledger/HKD.o, dist/build/Cardano/Ledger/HKD.dyn_o )
[ 8 of 51] Compiling Cardano.Ledger.Metadata ( src/Cardano/Ledger/Metadata.hs, dist/build/Cardano/Ledger/Metadata.o, dist/build/Cardano/Ledger/Metadata.dyn_o )
[ 9 of 51] Compiling Cardano.Ledger.Orphans ( src/Cardano/Ledger/Orphans.hs, dist/build/Cardano/Ledger/Orphans.o, dist/build/Cardano/Ledger/Orphans.dyn_o )

src/Cardano/Ledger/Orphans.hs:87:10: error:
    Duplicate instance declarations:
      instance Default Bool
        -- Defined at src/Cardano/Ledger/Orphans.hs:87:10
      instance [safe] Default Bool
        -- Defined in ‘data-default-0.8.0.0:Data.Default.Internal’
   |
87 | instance Default Bool where
   |          ^^^^^^^^^^^^
[33 of 51] Compiling Cardano.Ledger.Serialization ( src/Cardano/Ledger/Serialization.hs, dist/build/Cardano/Ledger/Serialization.o, dist/build/Cardano/Ledger/Serialization.dyn_o )

<no location info>: warning: [-Wunused-packages]
    The following packages were specified via -package or -package-id flags,
    but were not needed for compilation:
      - utf8-string-1.0.2
      - quiet-0.2
      - partial-order-0.2.0.0
      - non-integral-1.0.0.0
      - measures-0.1.0.2
      - heapwords-0.1.0.2
      - groups-0.5.3
      - cardano-prelude-0.2.0.0
      - cardano-ledger-byron-1.0.1.0
      - cardano-data-1.2.3.1
      - cardano-crypto-wrapper-1.5.1.3
      - base64-bytestring-1.2.1.0
      - base16-bytestring-1.0.2.0
      - base-deriving-via-0.1.0.2
      - FailT-0.1.2.0