log
This version has 20 feature flags, 0 of them enabled by default.
kv_unstable_sval
kv_unstable_std
kv_unstable_serde
kv_unstable
release_max_level_debug
release_max_level_error
max_level_info
std
serde
sval
release_max_level_trace
value-bag
max_level_error
release_max_level_warn
max_level_warn
max_level_trace
max_level_off
release_max_level_off
release_max_level_info
max_level_debug