there is some bug

semestralka_1/Cargo.lock

@@ -166,6 +166,15 @@ dependencies = [
  "syn 2.0.107",
 ]
 
+[[package]]
+name = "cortex-m-semihosting"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c23234600452033cc77e4b761e740e02d2c4168e11dbf36ab14a0f58973592b0"
+dependencies = [
+ "cortex-m",
+]
+
 [[package]]
 name = "critical-section"
 version = "1.2.0"
@@ -258,6 +267,29 @@ dependencies = [
  "defmt 1.0.1",
 ]
 
+[[package]]
+name = "defmt-test"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24076cc7203c365e7febfcec15d6667a9ef780bd2c5fd3b2a197400df78f299b"
+dependencies = [
+ "cortex-m-rt",
+ "cortex-m-semihosting",
+ "defmt 1.0.1",
+ "defmt-test-macros",
+]
+
+[[package]]
+name = "defmt-test-macros"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe5520fd36862f281c026abeaab153ebbc001717c29a9b8e5ba9704d8f3a879d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.107",
+]
+
 [[package]]
 name = "dma_gpio"
 version = "0.1.0"
@@ -266,6 +298,7 @@ dependencies = [
  "cortex-m-rt",
  "defmt 1.0.1",
  "defmt-rtt",
+ "defmt-test",
  "embassy-executor",
  "embassy-futures",
  "embassy-hal-internal",