master updated (9e897d8 -> 596b364)

[Ludovic Courtès]

civodul pushed a change to branch master.

    from 9e897d8  'create-build-outputs' registers a GC root on build products.
     new 0571f95  Remove 'sexp->channel*'.
     new ea233c2  tests: Reify exceptions instead of hanging.
     new 2ee6dc6  base: 'create-build-outputs' catches 'register-gc-root' 
errors.
     new fda885b  examples: random: Add non-ASCII UTF-8 string to the build log.
     new 596b364  base: 'build-derivations&' UTF-8-encodes build logs.


Summary of changes:
 examples/random-manifest.scm  |  2 ++
 src/cuirass/base.scm          | 17 ++++++++++++++++-
 src/cuirass/database.scm      |  2 +-
 src/cuirass/specification.scm | 17 +----------------
 tests/database.scm            | 21 ++++++++++++++++++---
 5 files changed, 38 insertions(+), 21 deletions(-)