Workspace root: /build/ocaml-ppx_let/src/ppx_let-0.14.0
Running[0]: /usr/bin/nproc > /tmp/dune8243e9.output 2> /dev/null
Auto-detected concurrency: 16
Running[1]: /usr/bin/ocamlfind printconf path > /tmp/dune3cfd96.output
Running[2]: /usr/bin/ocamlc.opt -config > /tmp/dune61625e.output
Dune context:
 { name = "default"
 ; kind = "default"
 ; profile = Release
 ; merlin = true
 ; for_host = None
 ; fdo_target_exe = None
 ; build_dir = "default"
 ; toplevel_path = None
 ; ocaml_bin = External "/usr/bin"
 ; ocaml = Ok External "/usr/bin/ocaml"
 ; ocamlc = External "/usr/bin/ocamlc.opt"
 ; ocamlopt = Ok External "/usr/bin/ocamlopt.opt"
 ; ocamldep = Ok External "/usr/bin/ocamldep.opt"
 ; ocamlmklib = Ok External "/usr/bin/ocamlmklib.opt"
 ; env =
     map
       { "CAML_LD_LIBRARY_PATH" :
           "/build/ocaml-ppx_let/src/ppx_let-0.14.0/_build/install/default/lib/stublibs"
       ; "DUNE_OCAML_HARDCODED" : "/usr/lib/ocaml"
       ; "DUNE_OCAML_STDLIB" : "/usr/lib/ocaml"
       ; "DUNE_SOURCEROOT" : "/build/ocaml-ppx_let/src/ppx_let-0.14.0"
       ; "INSIDE_DUNE" :
           "/build/ocaml-ppx_let/src/ppx_let-0.14.0/_build/default"
       ; "MANPATH" :
           "/build/ocaml-ppx_let/src/ppx_let-0.14.0/_build/install/default/bin"
       ; "OCAMLFIND_IGNORE_DUPS_IN" :
           "/build/ocaml-ppx_let/src/ppx_let-0.14.0/_build/install/default/lib"
       ; "OCAMLPATH" :
           "/build/ocaml-ppx_let/src/ppx_let-0.14.0/_build/install/default/lib"
       ; "OCAMLTOP_INCLUDE_PATH" :
           "/build/ocaml-ppx_let/src/ppx_let-0.14.0/_build/install/default/lib/toplevel"
       }
 ; findlib_path = [ External "/usr/lib/ocaml" ]
 ; arch_sixtyfour = true
 ; natdynlink_supported = true
 ; supports_shared_libraries = true
 ; ocaml_config =
     { version = "4.13.1"
     ; standard_library_default = "/usr/lib/ocaml"
     ; standard_library = "/usr/lib/ocaml"
     ; standard_runtime = "the_standard_runtime_variable_was_deleted"
     ; ccomp_type = "cc"
     ; c_compiler = "gcc"
     ; ocamlc_cflags =
         [ "-O2"
         ; "-fno-strict-aliasing"
         ; "-fwrapv"
         ; "-pthread"
         ; "-fPIC"
         ; "-march=x86-64"
         ; "-mtune=generic"
         ; "-O2"
         ; "-pipe"
         ; "-fno-plt"
         ]
     ; ocamlc_cppflags = [ "-D_FILE_OFFSET_BITS=64"; "-D_FORTIFY_SOURCE=2" ]
     ; ocamlopt_cflags =
         [ "-O2"
         ; "-fno-strict-aliasing"
         ; "-fwrapv"
         ; "-pthread"
         ; "-fPIC"
         ; "-march=x86-64"
         ; "-mtune=generic"
         ; "-O2"
         ; "-pipe"
         ; "-fno-plt"
         ]
     ; ocamlopt_cppflags =
         [ "-D_FILE_OFFSET_BITS=64"; "-D_FORTIFY_SOURCE=2" ]
     ; bytecomp_c_compiler =
         [ "gcc"
         ; "-O2"
         ; "-fno-strict-aliasing"
         ; "-fwrapv"
         ; "-pthread"
         ; "-fPIC"
         ; "-march=x86-64"
         ; "-mtune=generic"
         ; "-O2"
         ; "-pipe"
         ; "-fno-plt"
         ; "-D_FILE_OFFSET_BITS=64"
         ; "-D_FORTIFY_SOURCE=2"
         ]
     ; bytecomp_c_libraries = [ "-lm"; "-ldl"; "-lpthread" ]
     ; native_c_compiler =
         [ "gcc"
         ; "-O2"
         ; "-fno-strict-aliasing"
         ; "-fwrapv"
         ; "-pthread"
         ; "-fPIC"
         ; "-march=x86-64"
         ; "-mtune=generic"
         ; "-O2"
         ; "-pipe"
         ; "-fno-plt"
         ; "-D_FILE_OFFSET_BITS=64"
         ; "-D_FORTIFY_SOURCE=2"
         ]
     ; native_c_libraries = [ "-lm"; "-ldl" ]
     ; cc_profile = []
     ; architecture = "amd64"
     ; model = "default"
     ; int_size = 63
     ; word_size = 64
     ; system = "linux"
     ; asm = [ "as" ]
     ; asm_cfi_supported = true
     ; with_frame_pointers = false
     ; ext_exe = ""
     ; ext_obj = ".o"
     ; ext_asm = ".s"
     ; ext_lib = ".a"
     ; ext_dll = ".so"
     ; os_type = "Unix"
     ; default_executable_name = "a.out"
     ; systhread_supported = true
     ; host = "x86_64-pc-linux-gnu"
     ; target = "x86_64-pc-linux-gnu"
     ; profiling = false
     ; flambda = false
     ; spacetime = false
     ; safe_string = false
     ; exec_magic_number = "Caml1999X030"
     ; cmi_magic_number = "Caml1999I030"
     ; cmo_magic_number = "Caml1999O030"
     ; cma_magic_number = "Caml1999A030"
     ; cmx_magic_number = "Caml1999Y030"
     ; cmxa_magic_number = "Caml1999Z030"
     ; ast_impl_magic_number = "Caml1999M030"
     ; ast_intf_magic_number = "Caml1999N030"
     ; cmxs_magic_number = "Caml1999D030"
     ; cmt_magic_number = "Caml1999T030"
     ; natdynlink_supported = true
     ; supports_shared_libraries = true
     ; windows_unicode = false
     }
 }
Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/lib/ocaml/ppx_let/META
Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/lib/ocaml/ppx_let/dune-package
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Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/lib/ocaml/ppx_let/expander/ppx_let_expander.cma
Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/lib/ocaml/ppx_let/expander/ppx_let_expander.cmi
Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/lib/ocaml/ppx_let/expander/ppx_let_expander.cmt
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Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/lib/ocaml/ppx_let/ppx_let.ml
Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/lib/ocaml/ppx_let/ppx_let.mli
Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/lib/ocaml/ppx_let/expander/ppx_let_expander.cmxs
Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/lib/ocaml/ppx_let/ppx.exe
Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/lib/ocaml/ppx_let/ppx_let.cmxs
Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/doc/ppx_let/CHANGES.md
Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/doc/ppx_let/LICENSE.md
Installing /build/ocaml-ppx_let/pkg/ocaml-ppx_let/usr/doc/ppx_let/README.md