probe-rs · t-moe · Jun 16, 2025 · Jun 16, 2025 · Jun 16, 2025
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Changed
+- embedded-test no longer enables default `heapless` and `serde-json-core` features.
+- the panic handler should no longer use `defmt::Display2Format`.
+
 ## [0.6.1]
 
 ### Added

diff --git a/Cargo.lock b/Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
@@ -15,8 +15,8 @@ default-target = "riscv32imac-unknown-none-elf"
 semihosting = { version = "0.1.7", features = ["args"], optional = true }
 embedded-test-macros = { version = "0.6.1", path = "./macros" }
 serde = { version = "1.0.193", default-features = false, features = ["derive"] }
-serde-json-core = "0.6.0"
-heapless = "0.8.0"
+serde-json-core = { version = "0.6.0", default-features = false }
+heapless = { version = "0.8.0", default-features = false }
 
 # Optional dependencies
 defmt = { version = "1", optional = true }

diff --git a/examples/esp32c6/Cargo.lock b/examples/esp32c6/Cargo.lock
diff --git a/examples/std/Cargo.lock b/examples/std/Cargo.lock
diff --git a/examples/stm32f767/Cargo.lock b/examples/stm32f767/Cargo.lock
diff --git a/src/lib.rs b/src/lib.rs
@@ -13,12 +13,8 @@ pub use embedded_test_macros::tests;
 fn panic(info: &core::panic::PanicInfo) -> ! {
     error!("====================== PANIC ======================");
 
-    #[cfg(not(feature = "defmt"))]
     error!("{}", info);
 
-    #[cfg(feature = "defmt")]
-    error!("{}", defmt::Display2Format(info));
-
     semihosting::process::abort()
 }