gistfile1.txt

[nix-shell:~/projects/nix]$ NIX_SHOW_STATS=1 ./inst/bin/nix-build ../test.nix 
evaluation statistics:
  time elapsed: 0.090999
  size of a value: 24
  size of an attr: 24
  environments allocated count: 4811
  environments allocated bytes: 135936
  list elements count: 3770
  list elements bytes: 30160
  list concatenations: 17
  values allocated count: 26697
  values allocated bytes: 640728
  sets allocated: 2034 (2094960 bytes)
  right-biased unions: 251
  values copied in right-biased unions: 63015
  symbols in symbol table: 12782
  size of symbol table: 156784
  number of thunks: 23295
  number of thunks avoided: 6495
  number of attr lookups: 906
  number of primop calls: 2480
  number of function calls: 4284
  total allocations: 2901784 bytes
  current Boehm heap size: 402718720 bytes
  total Boehm heap allocations: 3186896 bytes
these derivations will be built:
  /nix/store/d2vrs4sgs3caxv2pldy0gli6l20lk50i-hi.drv
building '/nix/store/d2vrs4sgs3caxv2pldy0gli6l20lk50i-hi.drv'...
builder for '/nix/store/d2vrs4sgs3caxv2pldy0gli6l20lk50i-hi.drv' failed to produce output path '/nix/store/2sznz356r0j7215srdppwzi830v98hd5-hi'
error: build of '/nix/store/d2vrs4sgs3caxv2pldy0gli6l20lk50i-hi.drv' failed