these 2 derivations will be built:
  /nix/store/dp1r0fwzz92gby28n9gzym457jpd4996-notmuch-0.40.drv
  /nix/store/81m8m1y8bbj12v05069bh3f1qz2pq4gm-msmtp.drv
error: Cannot build '/nix/store/dp1r0fwzz92gby28n9gzym457jpd4996-notmuch-0.40.drv'.
       Reason: builder failed with exit code 2.
       Output paths:
         /nix/store/3qhr2m15ilsjlpbx1c3xvjfr27rx15s7-notmuch-0.40-vim
         /nix/store/afgmsqzqq7vx7c8xhn2p8fl8r6ysdkc6-notmuch-0.40
         /nix/store/f9j576cv3fhynsxfv7djsr7qi2014r0k-notmuch-0.40-bindingconfig
         /nix/store/sdwm8spfjz9dica1gzrj3ahdzia94rr9-notmuch-0.40-man
         /nix/store/xjxm7baic6i4rqy9diirjpn090f90w6c-notmuch-0.40-info
       Last 25 log lines:
       >  PASS   commit, with quoted tag
       >  PASS   commit (incremental)
       >  PASS   commit (change prefix)
       >  PASS   large checkout needs --force
       >  PASS   checkout (git.safe_fraction)
       >  PASS   checkout
       >  PASS   archive
       >  PASS   status
       >  PASS   status (global config argument)
       > FATAL: /build/notmuch-0.40/test/T850-git.sh: interrupted by signal 15
       >
       > '/build/notmuch-0.40/test/test-results/T560-lib-error' does not exist!
       > '/build/notmuch-0.40/test/test-results/T562-lib-database' does not exist!
       > '/build/notmuch-0.40/test/test-results/T566-lib-message' does not exist!
       > '/build/notmuch-0.40/test/test-results/T568-lib-thread' does not exist!
       > '/build/notmuch-0.40/test/test-results/T590-libconfig' does not exist!
       > '/build/notmuch-0.40/test/test-results/T850-git' does not exist!
       > Notmuch test suite complete.
       > 1398/1414 tests passed.
       > 10 broken tests failed as expected.
       > 6 tests skipped.
       > All tests in 23 files skipped.
       > 6 tests failed to report results.
       > ERROR: some tests failed; first failed returned error code 124
       > make: *** [test/Makefile.local:75: test] Error 1
       For full logs, run:
         nix log /nix/store/dp1r0fwzz92gby28n9gzym457jpd4996-notmuch-0.40.drv
error: Cannot build '/nix/store/81m8m1y8bbj12v05069bh3f1qz2pq4gm-msmtp.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/nqvia31fypc852hv425ggxhyy6b7njw3-msmtp