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> /tmp/stackage-build2452$ stack unpack gc-0.0.2@sha256:398086bd3aef5f90fdedd76e73f5a11c7c49edd8c13ebcf54c83519ad254e533
Unpacked gc-0.0.2 to /tmp/stackage-build2452/gc-0.0.2/
> /tmp/stackage-build2452/gc-0.0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb -hide-all-packages -package=Cabal -package=base -package=cabal-doctest Setup
[1 of 1] Compiling Main ( Setup.lhs, Setup.o )
Linking Setup ...
> /tmp/stackage-build2452/gc-0.0.2$ ./Setup configure --package-db=clear --package-db=global --package-db=/home/circleci/project/builds/nightly/pkgdb --libdir=/home/circleci/project/builds/nightly/lib --bindir=/home/circleci/project/builds/nightly/bin --datadir=/home/circleci/project/builds/nightly/share --libexecdir=/home/circleci/project/builds/nightly/libexec --sysconfdir=/home/circleci/project/builds/nightly/etc --docdir=/home/circleci/project/builds/nightly/doc/gc-0.0.2 --htmldir=/home/circleci/project/builds/nightly/doc/gc-0.0.2 --haddockdir=/home/circleci/project/builds/nightly/doc/gc-0.0.2
Configuring gc-0.0.2...
> /tmp/stackage-build2452/gc-0.0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb -hide-all-packages -package=Cabal -package=base -package=cabal-doctest Setup
> /tmp/stackage-build2452/gc-0.0.2$ ./Setup build
Preprocessing library for gc-0.0.2..
Building library for gc-0.0.2..
[1 of 1] Compiling System.Mem.Manager ( src/System/Mem/Manager.hs, dist/build/System/Mem/Manager.o )
> /tmp/stackage-build2452/gc-0.0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb -hide-all-packages -package=Cabal -package=base -package=cabal-doctest Setup
> /tmp/stackage-build2452/gc-0.0.2$ ./Setup copy
Installing library in /home/circleci/project/builds/nightly/lib/x86_64-linux-ghc-8.7.20181119/gc-0.0.2-FnNOOrF2vrSFqA1RDb7dW0
> /tmp/stackage-build2452/gc-0.0.2$ ghc -clear-package-db -global-package-db -package-db=/home/circleci/project/builds/nightly/pkgdb -hide-all-packages -package=Cabal -package=base -package=cabal-doctest Setup
> /tmp/stackage-build2452/gc-0.0.2$ ./Setup register
Registering library for gc-0.0.2..