this derivation will be built:
  /nix/store/x3zgmdxrfv03hz6664hmn6i1wbj6nh9m-iets-nextest-0.2.0.drv
error: build of '/nix/store/x3zgmdxrfv03hz6664hmn6i1wbj6nh9m-iets-nextest-0.2.0.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token' failed: Cannot build '/nix/store/x3zgmdxrfv03hz6664hmn6i1wbj6nh9m-iets-nextest-0.2.0.drv'.
       Reason: builder failed with exit code 100.
       Output paths:
         /nix/store/cg0917cqk7dl64rap6hgzx91ppggz4dy-iets-nextest-0.2.0
       Last 25 log lines:
       >         a_flake_keeps_one_entry
       >
       >     test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 10 filtered out; finished in 0.15s
       >     
       >   stderr ---
       >
       >     thread 'a_flake_keeps_one_entry' (5819) panicked at tests/cache_semantics.rs:466:5:
       >     assertion `left == right` failed
       >       left: "re-evaluating: source tree /build/.tmpljwKdP/fl changed"
       >      right: "re-evaluating: /build/.tmpljwKdP/fl/flake.lock changed"
       >     note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
       >
       >   Cancelling due to test failure: 7 tests still running
       >         PASS [   0.075s] (1393/1896) iets::cache_semantics the_cache_dir_keeps_what_it_did_not_make
       >         PASS [   0.235s] (1394/1896) iets::cache_semantics flags_that_turn_the_cache_off
       >         PASS [   0.210s] (1395/1896) iets::cache_semantics search_uses_the_cache
       >         PASS [   7.858s] (1396/1896) iets api::concurrent_eval::concurrent_eval_sums_arena_use_over_workers
       >         PASS [   0.421s] (1397/1896) iets::cache_hygiene concurrent_readers_and_writers_never_see_a_torn_entry
       >         PASS [   0.492s] (1398/1896) iets::cache_semantics hits_and_misses
       >         PASS [  17.292s] (1399/1896) iets syntax::tests::deep_nesting_ends_with_an_error
       > ------------
       >      Summary [  51.503s] 1399/1896 tests run: 1398 passed, 1 failed, 5 skipped
       >         FAIL [   0.150s] (1392/1896) iets::cache_semantics a_flake_keeps_one_entry
       > warning: 497/1896 tests were not run due to test failure (run with --no-fail-fast to run all tests, or run with --max-fail)
       > error: test run failed
       For full logs, run:
         nix log /nix/store/x3zgmdxrfv03hz6664hmn6i1wbj6nh9m-iets-nextest-0.2.0.drv
error: Cannot build '/nix/store/x3zgmdxrfv03hz6664hmn6i1wbj6nh9m-iets-nextest-0.2.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/cg0917cqk7dl64rap6hgzx91ppggz4dy-iets-nextest-0.2.0