Cargo.toml no nightly dep

Cargo.toml

@@ -10,10 +10,11 @@ cortex-m = "0.5.8"
 cortex-m-rt = "0.6.5"
 cortex-m-semihosting = "0.3.2"
 panic-halt = "0.2.0"
-panic-abort = "0.3.1"
+# panic-abort = "0.3.1"
 
 # Uncomment for the panic example.
-# panic-itm = "0.4.0"
+panic-semihosting = "0.5.1"
+panic-itm = "0.4.0"
 
 # Uncomment for the allocator example.
 # alloc-cortex-m = "0.3.5"
@@ -29,7 +30,11 @@ name = "app"
 test = false
 bench = false
 
+[profile.dev]
+panic = "abort"
+
 [profile.release]
 codegen-units = 1 # better optimizations
 debug = true # symbols are nice and they don't increase the size on Flash
 lto = true # better optimizations
+panic = "abort"