hint about stack space about std-training HOT 5 OPEN

***ERROR*** A stack overflow in task sys_evt has been detected.

CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=9216

cat .cargo/config.toml
[build]
target = "xtensa-esp32-espidf"

[target.xtensa-esp32-espidf]
linker = "ldproxy"
runner = "espflash --monitor"
# Future - necessary for the experimental "native build" of esp-idf-sys with ESP32C3
# See also https://github.com/ivmarkov/embuild/issues/16
rustflags = ["-C", "default-linker-libraries"]

[unstable]
build-std = ["std", "panic_abort"]
build-std-features = ["panic_immediate_abort"]

[env]
# Enables the esp-idf-sys "native" build feature (`cargo build --features native`) to build against ESP-IDF (v4.4.4)
ESP_IDF_VERSION = { value = "tag:v4.4.4" }

# These configurations will pick up your custom "sdkconfig.release", "sdkconfig.debug" or "sdkconfig.defaults[.*]" files
# that you might put in the root of the project
# The easiest way to generate a full "sdkconfig[.release|debug]" configuration (as opposed to manually enabling only the necessary flags via "sdkconfig.defaults[.*]"
# is by running "cargo pio espidf menuconfig" (that is, if using the pio builder)
#ESP_IDF_SDKCONFIG = { value = "./sdkconfig.release", relative = true }
#ESP_IDF_SDKCONFIG = { value = "./sdkconfig.debug", relative = true }
ESP_IDF_SDKCONFIG_DEFAULTS = { value = "./sdkconfig.defaults", relative = true }
# ESP-IDF will be installed in ~/.espressif so it can be reused across the different examples.
# See also https://github.com/esp-rs/esp-idf-sys#esp_idf_tools_install_dir-esp_idf_tools_install_dir
ESP_IDF_TOOLS_INSTALL_DIR = { value = "global" }

cat rust-toolchain.toml
[toolchain]
channel = "esp"

cat sdkconfig.defaults
# Rust often needs a bit of an extra main task stack size compared to C (the default is 3K)
CONFIG_ESP_MAIN_TASK_STACK_SIZE=14336
CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=9216