<<ghc: 8115171072 bytes, 558 GCs, 45287105/1280510 [...]  MUT (7.01 elapsed), 2.95 GC (3.09 elapsed) :ghc>>
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf [...] riv.o -dyno compiler/stage2/build/TcGenDeriv.dyn_o
<<ghc: 5894069264 bytes, 475 GCs, 34387810/1023190 [...]  MUT (4.68 elapsed), 2.00 GC (2.10 elapsed) :ghc>>
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf [...] .o -dyno compiler/stage2/build/TcGenGenerics.dyn_o
<<ghc: 2657450016 bytes, 313 GCs, 29222897/9253319 [...]  MUT (2.17 elapsed), 1.00 GC (1.07 elapsed) :ghc>>
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf [...] cDeriv.o -dyno compiler/stage2/build/TcDeriv.dyn_o
<<ghc: 6596637784 bytes, 477 GCs, 38652448/1252920 [...]  MUT (5.64 elapsed), 2.24 GC (2.36 elapsed) :ghc>>
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf [...] cls.o -dyno compiler/stage2/build/TcInstDcls.dyn_o
<<ghc: 3748116712 bytes, 471 GCs, 37705132/1106751 [...]  MUT (3.09 elapsed), 1.52 GC (1.63 elapsed) :ghc>>
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf [...] rrows.o -dyno compiler/stage2/build/TcArrows.dyn_o
<<ghc: 1594056064 bytes, 272 GCs, 24150911/8618916 [...]  MUT (1.33 elapsed), 0.67 GC (0.73 elapsed) :ghc>>
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf [...] /TcExpr.o -dyno compiler/stage2/build/TcExpr.dyn_o
<<ghc: 4243822312 bytes, 462 GCs, 36018709/1119327 [...]  MUT (3.47 elapsed), 1.78 GC (1.89 elapsed) :ghc>>
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf [...] eign.o -dyno compiler/stage2/build/TcForeign.dyn_o
<<ghc: 2778138160 bytes, 309 GCs, 24002029/8901323 [...]  MUT (2.26 elapsed), 0.93 GC (1.00 elapsed) :ghc>>
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf hc -static  -H32m -O    -this-package-key ghc_6u5 [...] r/typecheck/TcRules.lhs -o compiler/stage2/build/TcRules.o -dyno compiler/stage2/build/TcRules.dyn_o
<<ghc: 835383920 bytes, 247 GCs, 20976224/77744736 avg/max bytes residency (9 samples), 158M in use, 0.00 INIT (0.00 elapsed), 0.52 MUT (0.67 elapsed), 0.48 GC (0.54 elapsed) :ghc>>
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf hc -static  -H32m -O    -this-package-key ghc_6u5 [...] ck/TcDefaults.lhs -o compiler/stage2/build/TcDefaults.o -dyno compiler/stage2/build/TcDefaults.dyn_o
<<ghc: 854083608 bytes, 220 GCs, 17864940/70316512 avg/max bytes residency (9 samples), 145M in use, 0.00 INIT (0.00 elapsed), 0.54 MUT (0.70 elapsed), 0.44 GC (0.48 elapsed) :ghc>>
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf hc -static  -H32m -O    -this-package-key ghc_6u5U8Qeuc8IFrnDXCjNplk -hide-al [...]   -dynamic-too -c compiler/main/HeaderInfo.hs -o compiler/stage2/build/HeaderInfo.o -dyno compiler/stage2/build/HeaderInfo.dyn_o
<<ghc: 1038809176 bytes, 283 GCs, 17676921/58094952 avg/max bytes residency (9 samples), 126M in use, 0.00 INIT (0.00 elapsed), 0.72 MUT (0.91 elapsed), 0.48 GC (0.52 elapsed) :ghc>>
"inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf hc -static  -H32m -O    -this-package-key ghc_6u5U8Qeuc8IFrnDXCjNplk -hide-all-packages -i -icompiler/basicTypes -icompiler/cmm -icompiler/codeGen -icompiler/coreSyn -icompiler/deSugar -icompiler/ghci -icompiler/hsSyn -icompiler/iface -icompiler/llvmGen -icompiler/main -icompiler/nativeGen -icompiler/parser -icompiler/prelude -icompiler/profiling -icompiler/rename -icompiler/simplCore -icompiler/simplStg -icompiler/specialise -icompiler/stgSyn -icompiler/stranal -icompiler/typecheck -icompiler/types -icompiler/utils -icompiler/vectorise -icompiler/stage2/build -icompiler/stage2/build/autogen -Icompiler/stage2/build -Icompiler/stage2/build/autogen -Icompiler/. -Icompiler/parser -Icompiler/utils -Icompiler/../rts/dist/build -Icompiler/stage2   -optP-DGHCI -optP-include -optPcompiler/stage2/build/autogen/cabal_macros.h -package-key array_GX4NwjS8xZkC2ZPtjgwhnz -package-key base_ESD4aQEEWwsHtYJVc1BwtJ -package-key binpa_9N9P7gQ7gSgJLJLo0yoo83 -package-key bytes_Kc0PyaputnzDnBdZW0y2Gv -package-key conta_ChF4XLXB9JmByIycPzerow -package-key direc_1OR7Bu5EIqqJUPTpfzOCIt -package-key filep_34DFDFT9FVD9pRLLgh8IdQ -package-key hoopl_IZAd44CED5NCOlpg8p2Kaj -package-key hpc_CtKoFBWadSOBzrnHLwtpUY -package-key proce_JJ2k66FcGHSLNmYZUkX8Td -package-key templ_F6UJgDtBcDIFWuHmMGEFzy -package-key time_Bz5EctwAYgx5ET9ITtE39u -package-key trans_5jw4w9yTgmZ89ByuixDAKP -package-key unix_4dEexQFispVG782agZacZC -Wall -fno-warn-name-shadowing -this-package-key ghc -XHaskell2010 -optc-DTHREADED_RTS -DGHCI_TABLES_NEXT_TO_CODE -DSTAGE=2 -Rghc-timing -O2  -no-user-package-db -rtsopts      -odir compiler/stage2/build -hidir compiler/stage2/build -stubdir compiler/stage2/build  -dynamic-too -c compiler/typecheck/TcRnDriver.lhs -o compiler/stage2/build/TcRnDriver.o -dyno compiler/stage2/build/TcRnDriver.dyn_o

<no location info>:
    Warning: Couldn't figure out C compiler information!
             Make sure you're using GNU gcc, or clang
ghc-stage1: could not execute: /usr/local/bin/gcc
<<ghc: 6807627336 bytes, 525 GCs, 48943723/154601560 avg/max bytes residency (12 samples), 386M in use, 0.00 INIT (0.00 elapsed), 5.04 MUT (5.18 elapsed), 3.00 GC (3.16 elapsed) :ghc>>
make[1]: *** [compiler/stage2/build/TcRnDriver.o] Error 1
make: *** [all] Error 2