=== DEPENDENCIES (19 transitive) ===
  base-threads.base                                  922226874b26
  base-unix.base                                     af6d03bc3069
  cmdliner.2.1.1                                     a9a0b30c50c7
  dune.3.23.1                                        2678e6bab382
  jsonm.1.0.2                                        e683f6d9e4cd
  ocaml.5.4.1                                        1519d574d288
  ocaml-base-compiler.5.4.1                          d4d53a990b78
  ocaml-compiler.5.4.1                               5b479d47bb2f
  ocaml-config.3                                     9a392e9ab1ee
  ocamlbuild.0.16.1                                  a0892ca4d9f4
  ocamlfind.1.9.8                                    71a2e9222ee7
  ocamlgraph.2.2.0                                   949d65e8fb45
  patch.3.1.1                                        65ea9e108a18
  re.1.14.0                                          56160c97b680
  sha.1.15.4                                         6ebac806aba9
  stdlib-shims.0.3.0                                 6052f809c9f5
  swhid_core.0.1                                     ad335fddac8b
  topkg.1.1.1                                        f28a823616e3
  uutf.1.0.4                                         c985fac33795
=== STDOUT ===
Processing: [default: loading data]
[opam-core.2.5.1: http]
[opam-core.2.5.1: extract]
-> retrieved opam-core.2.5.1  (https://github.com/ocaml/opam/archive/refs/tags/2.5.1.tar.gz)
[opam-core: ./configure]
+ /home/opam/.opam/default/.opam-switch/build/opam-core.2.5.1/./configure "--disable-checks" "--prefix" "/home/opam/.opam/default" (CWD=/home/opam/.opam/default/.opam-switch/build/opam-core.2.5.1)
- checking for ocamlc... ocamlc
- OCaml version is 5.4.1
- OCaml library path is /home/opam/.opam/default/lib/ocaml
- checking for ocamlopt... ocamlopt
- checking for ocamlc.opt... ocamlc.opt
- checking for ocamlopt.opt... ocamlopt.opt
- checking for ocaml... ocaml
- checking for ocamldep... ocamldep
- checking for ocamldep.opt... ocamldep.opt
- checking for ocamlmktop... ocamlmktop
- checking for ocamlmklib... ocamlmklib
- checking for ocamldoc... ocamldoc
- checking for ocamldoc.opt... ocamldoc.opt
- checking for ocamlbuild... ocamlbuild
- checking OCaml Sys.os_type... Unix
- checking for gawk... no
- checking for mawk... mawk
- checking for compiler type... 
- cc
- checking for compiler architecture... amd64
- checking for compiler system... 
- linux
- checking for compiler target... x86_64-pc-linux-gnu
- checking for gcc... gcc -O2 -fno-strict-aliasing -fwrapv -fPIC  -pthread   -D_FILE_OFFSET_BITS=64
- checking whether the C compiler works... 
- yes
- checking for C compiler default output file name... a.out
- checking for suffix of executables... 
- checking whether we are cross compiling... no
- checking for suffix of object files... o
- checking whether the compiler supports GNU C... yes
- checking whether gcc -O2 -fno-strict-aliasing -fwrapv -fPIC  -pthread   -D_FILE_OFFSET_BITS=64 accepts -g... yes
- checking for gcc -O2 -fno-strict-aliasing -fwrapv -fPIC  -pthread   -D_FILE_OFFSET_BITS=64 option to enable C11 features... none needed
- checking for ocamlobjinfo... ocamlobjinfo
- checking for ocamlfind... ocamlfind
- checking for curl... curl
- checking for dune... dune
- checking for patch... patch
- checking for bunzip2... bunzip2
- checking for linking method... shared
- 
- checking for OCaml findlib package unix... found
- checking for OCaml findlib package re 1.9.0 or later... found [unspecified]
- checking for OCaml findlib package base64 3.1.0 or later... no
- checking for OCaml findlib package ocamlgraph... found
- checking for OCaml findlib package cudf 0.7 or later... no
- checking for OCaml findlib package dose3.common 6.1 or later... no
- checking for OCaml findlib package dose3.algo 6.1 or later... no
- checking for OCaml findlib package opam-file-format 2.1.4 or later... no
- checking for OCaml findlib package spdx_licenses... not found
- checking for OCaml findlib package opam-0install-cudf 0.5.0 or later... no
- checking for OCaml findlib package jsonm... found
- checking for OCaml findlib package uutf... found
- checking for OCaml findlib package sha... found
- checking for OCaml findlib package swhid_core... found
- checking for OCaml findlib package patch... found
- checking for OCaml findlib package mccs 1.1+17 or later... no
- checking for g++... g++
- checking whether the compiler supports GNU C++... yes
- checking whether g++ accepts -g... yes
- checking for g++ option to enable C++11 features... none needed
- checking whether g++ really is a C++ compiler... yes
- 
- configure: creating ./config.status
- config.status: creating Makefile.config
- config.status: creating src/ocaml-flags-configure.sexp
- config.status: creating src/core/c-flags.sexp
- 
- Opam will be built WITH its default built-in solver
- 
- Executables will be installed in /home/opam/.opam/default/bin
- Manual pages will be installed in /home/opam/.opam/default/share/man
[opam-core: dune build]
+ /home/opam/.opam/default/bin/dune "build" "-p" "opam-core" "-j" "39" (CWD=/home/opam/.opam/default/.opam-switch/build/opam-core.2.5.1)
-> compiled  opam-core.2.5.1
-> installed opam-core.2.5.1

=== STDERR ===