master updated (4a8a4bc -> 425ede1)

[Ludovic Courtès]

civodul pushed a change to branch master.

    from 4a8a4bc  guix: Run tests in parallel.
     new 211b44c  Remove unused '%use-substitutes?' parameter and 
'--use-substitutes'.
     new e03a257  build: "make clean" deletes src/cuirass/scripts/*.go.
     new 1f0e059  utils: Add resource pool.
     new c4743b5  database: Use a connection pool.
     new cd94670  utils: Remove "worker thread" helpers.
     new 425ede1  utils: Remove 'put-message-with-timeout' and 
'get-message-with-timeout'.


Summary of changes:
 .dir-locals.el                   |   1 +
 Makefile.am                      |   2 +-
 configure.ac                     |  13 +-
 doc/cuirass.texi                 |   6 +-
 src/cuirass/base.scm             |   5 -
 src/cuirass/database.scm         | 108 ++++---
 src/cuirass/scripts/register.scm |   6 +-
 src/cuirass/utils.scm            | 202 ++++---------
 tests/common.scm                 |   5 +-
 tests/database.scm               | 604 ++++++++++++++++++++++-----------------
 10 files changed, 484 insertions(+), 468 deletions(-)