diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 00000000..35049cbc
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,2 @@
+[alias]
+xtask = "run --package xtask --"
diff --git a/Cargo.lock b/Cargo.lock
index 522983f4..a0fc5cf2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -152,9 +152,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "4.2.7"
+version = "4.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34d21f9bf1b425d2968943631ec91202fe5e837264063503708b83013f8fc938"
+checksum = "ca8f255e4b8027970e78db75e78831229c9815fdbfa67eb1a1b777a62e24b4a0"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -163,9 +163,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.2.7"
+version = "4.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "914c8c79fb560f238ef6429439a30023c862f7a28e688c58f7203f12b29970bd"
+checksum = "acd4f3c17c83b0ba34ffbc4f8bbd74f079413f747f84a6f89292f138057e36ab"
 dependencies = [
  "anstream",
  "anstyle",
@@ -176,9 +176,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.2.0"
+version = "4.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f9644cd56d6b87dbe899ef8b053e331c0637664e9e21a33dfcdc36093f5c5c4"
+checksum = "b8cd2b2a819ad6eec39e8f1d6b53001af1e5469f8c177579cdaeb313115b825f"
 dependencies = [
  "heck",
  "proc-macro2",
@@ -188,9 +188,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.4.1"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a2dd5a6fe8c6e3502f568a6353e5273bbb15193ad9a89e457b9970798efbea1"
+checksum = "2da6da31387c7e4ef160ffab6d5e7f00c42626fe39aea70a7b0f1773f7dd6c1b"
 
 [[package]]
 name = "colorchoice"
@@ -1427,6 +1427,13 @@ dependencies = [
  "tap",
 ]
 
+[[package]]
+name = "xtask"
+version = "0.1.0"
+dependencies = [
+ "clap",
+]
+
 [[package]]
 name = "yaml-rust"
 version = "0.4.5"
diff --git a/Cargo.toml b/Cargo.toml
index 972ef466..81f91a96 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,3 +40,6 @@ serial_test = { version = "2", default-features = false }
 
 [features]
 ftdi = ["probe-rs/ftdi"]
+
+[workspace]
+members = [".", "xtask"]
diff --git a/src/dep/cratesio.rs b/src/dep/cratesio.rs
index 0c345b75..687f4eaa 100644
--- a/src/dep/cratesio.rs
+++ b/src/dep/cratesio.rs
@@ -35,7 +35,9 @@ impl<'p> Path<'p> {
         registry_prefix.push(src);
 
         let github = super::get_component_normal(components.next()?)?.to_str()?;
-        if !github.starts_with("github.com-") {
+        // Rust 1.52 uses "github.com"
+        // Rust 1.70 uses "index.crates.io"
+        if !(github.starts_with("github.com-") || github.starts_with("index.crates.io-")) {
             return None;
         }
         registry_prefix.push(github);
diff --git a/src/dep/mod.rs b/src/dep/mod.rs
index 563ff689..5f49e5b8 100644
--- a/src/dep/mod.rs
+++ b/src/dep/mod.rs
@@ -53,10 +53,9 @@ impl<'p> Path<'p> {
 }
 
 fn get_component_normal(component: Component) -> Option<&OsStr> {
-    if let Component::Normal(string) = component {
-        Some(string)
-    } else {
-        None
+    match component {
+        Component::Normal(string) => Some(string),
+        _ => None,
     }
 }
 
diff --git a/tests/snapshot.rs b/tests/snapshot.rs
index 5891565e..e2a8b35e 100644
--- a/tests/snapshot.rs
+++ b/tests/snapshot.rs
@@ -62,7 +62,7 @@ fn run_and_terminate(args: &str, timeout_s: u64) -> RunResult {
 fn run_command(args: &str) -> (os_pipe::PipeReader, std::process::Child) {
     // add prefix to run this repository's version of `probe-run` and
     // remove user-dependent registry and rustc information from backtrace paths
-    let cmd = format!("run -- --chip nRF52840_xxAA tests/test_elfs/{args} --shorten-paths");
+    let cmd = format!("run -- --chip nRF52840_xxAA tests/test_elfs/cache/{args} --shorten-paths");
 
     let (reader, writer) = pipe().unwrap();
     let writer_clone = writer.try_clone().unwrap();
diff --git a/tests/snapshots/snapshot__case_3_successful_run_can_enforce_backtrace.snap b/tests/snapshots/snapshot__case_3_successful_run_can_enforce_backtrace.snap
index 3570b3ef..37619e5d 100644
--- a/tests/snapshots/snapshot__case_3_successful_run_can_enforce_backtrace.snap
+++ b/tests/snapshots/snapshot__case_3_successful_run_can_enforce_backtrace.snap
@@ -1,6 +1,6 @@
 ---
 source: tests/snapshot.rs
-assertion_line: 113
+assertion_line: 114
 expression: run_result.output
 
 ---
@@ -14,12 +14,14 @@ stack backtrace:
         at ./asm/inline.rs:14:5
    1: __bkpt
         at ./asm/lib.rs:51:17
-   2: app::exit
-        at /tmp/app/src/lib.rs:17:5
-   3: hello::__cortex_m_rt_main
-        at /tmp/app/src/bin/hello.rs:10:5
-   4: main
-        at /tmp/app/src/bin/hello.rs:6:1
-   5: Reset
+   2: cortex_m::asm::bkpt
+        at [cortex-m-0.7.7]/src/call_asm.rs:19:21
+   3: test_elfs::exit
+        at /test_elfs/src/lib.rs:18:9
+   4: hello::__cortex_m_rt_main
+        at /test_elfs/src/bin/hello.rs:10:5
+   5: main
+        at /test_elfs/src/bin/hello.rs:6:1
+   6: Reset
 (HOST) INFO  device halted without error
 
diff --git a/tests/snapshots/snapshot__case_4_stack_overflow_is_reported_as_such.snap b/tests/snapshots/snapshot__case_4_stack_overflow_is_reported_as_such.snap
index 767d3fcb..3973e04d 100644
--- a/tests/snapshots/snapshot__case_4_stack_overflow_is_reported_as_such.snap
+++ b/tests/snapshots/snapshot__case_4_stack_overflow_is_reported_as_such.snap
@@ -7,23 +7,24 @@ expression: run_result.output
 (HOST) INFO  flashing program (2 pages / 8.00 KiB)
 (HOST) INFO  success!
 ────────────────────────────────────────────────────────────────────────────────
-ack(m=10, n=10, SP=2003bb98)
-ack(m=10, n=9, SP=20037b78)
-ack(m=10, n=8, SP=20033b58)
-ack(m=10, n=7, SP=2002fb38)
-ack(m=10, n=6, SP=2002bb18)
-ack(m=10, n=5, SP=20027af8)
-ack(m=10, n=4, SP=20023ad8)
-ack(m=10, n=3, SP=2001fab8)
-ack(m=10, n=2, SP=2001ba98)
-ack(m=10, n=1, SP=20017a78)
-ack(m=10, n=0, SP=20013a58)
-ack(m=9, n=1, SP=2000fa38)
-ack(m=9, n=0, SP=2000ba18)
-ack(m=8, n=1, SP=200079f8)
-ack(m=8, n=0, SP=200039d8)
+ack(m=10, n=10, SP=0x2003bfd4)
+ack(m=10, n=9, SP=0x20037fb4)
+ack(m=10, n=8, SP=0x20033f94)
+ack(m=10, n=7, SP=0x2002ff74)
+ack(m=10, n=6, SP=0x2002bf54)
+ack(m=10, n=5, SP=0x20027f34)
+ack(m=10, n=4, SP=0x20023f14)
+ack(m=10, n=3, SP=0x2001fef4)
+ack(m=10, n=2, SP=0x2001bed4)
+ack(m=10, n=1, SP=0x20017eb4)
+ack(m=10, n=0, SP=0x20013e94)
+ack(m=9, n=1, SP=0x2000fe74)
+ack(m=9, n=0, SP=0x2000be54)
+ack(m=8, n=1, SP=0x20007e34)
+ack(m=8, n=0, SP=0x20003e14)
 ────────────────────────────────────────────────────────────────────────────────
 (HOST) WARN  program has used at least 240.62/254.93 KiB (94.4%) of stack space
+(HOST) WARN  data segments might be corrupted due to stack overflow
 stack backtrace:
    0: HardFaultTrampoline
       <exception entry>
diff --git a/tests/snapshots/snapshot__case_5_panic_is_reported_as_such.snap b/tests/snapshots/snapshot__case_5_panic_is_reported_as_such.snap
index fe659bf4..0bcd8e8c 100644
--- a/tests/snapshots/snapshot__case_5_panic_is_reported_as_such.snap
+++ b/tests/snapshots/snapshot__case_5_panic_is_reported_as_such.snap
@@ -1,6 +1,6 @@
 ---
 source: tests/snapshot.rs
-assertion_line: 113
+assertion_line: 114
 expression: run_result.output
 
 ---
@@ -17,15 +17,15 @@ stack backtrace:
    2: __udf
         at ./asm/lib.rs:51:17
    3: cortex_m::asm::udf
-        at [cortex-m-0.7.7]/src/asm.rs:43:5
+        at [cortex-m-0.7.7]/src/call_asm.rs:19:21
    4: _defmt_panic
-        at /tmp/app/src/lib.rs:12:5
+        at /test_elfs/src/lib.rs:12:5
    5: defmt::export::panic
-        at [defmt-0.3.2]/src/export/mod.rs:133:14
+        at [defmt-0.3.4]/src/export/mod.rs:133:14
    6: panic::__cortex_m_rt_main
-        at /tmp/app/src/bin/panic.rs:8:5
+        at /test_elfs/src/bin/panic.rs:8:5
    7: main
-        at /tmp/app/src/bin/panic.rs:6:1
+        at /test_elfs/src/bin/panic.rs:6:1
    8: Reset
 (HOST) ERROR the program panicked
 
diff --git a/tests/snapshots/snapshot__case_6_panic_verbose.snap b/tests/snapshots/snapshot__case_6_panic_verbose.snap
index 545c83a0..47237df7 100644
--- a/tests/snapshots/snapshot__case_6_panic_verbose.snap
+++ b/tests/snapshots/snapshot__case_6_panic_verbose.snap
@@ -1,90 +1,84 @@
 ---
 source: tests/snapshot.rs
-assertion_line: 113
+assertion_line: 114
 expression: run_result.output
 
 ---
-(HOST) DEBUG vector table: VectorTable { initial_stack_pointer: 2003fbc0, hard_fault: 17d3 }
-(HOST) DEBUG RAM region: 0x20000000-0x2003FFFF
-(HOST) DEBUG section `.data` is in RAM at 0x2003FBC0..=0x2003FBF7
-(HOST) DEBUG section `.bss` is in RAM at 0x2003FBF8..=0x2003FBFF
-(HOST) DEBUG section `.uninit` is in RAM at 0x2003FC00..=0x2003FFFF
-(HOST) DEBUG valid SP range: 0x20000000..=0x2003FBBC
 (HOST) DEBUG found 1 probes
 (HOST) DEBUG opened probe
 (HOST) DEBUG started session
 (HOST) INFO  flashing program (2 pages / 8.00 KiB)
-(HOST) DEBUG Erased sector of size 4096 bytes in 121 ms
-(HOST) DEBUG Erased sector of size 4096 bytes in 99 ms
-(HOST) DEBUG Programmed page of size 4096 bytes in 62 ms
-(HOST) DEBUG Programmed page of size 4096 bytes in 62 ms
+(HOST) DEBUG Erased sector of size 4096 bytes in 120 ms
+(HOST) DEBUG Erased sector of size 4096 bytes in 98 ms
+(HOST) DEBUG Programmed page of size 4096 bytes in 61 ms
+(HOST) DEBUG Programmed page of size 4096 bytes in 63 ms
 (HOST) INFO  success!
-(HOST) DEBUG 261052 bytes of stack available (0x20000000 ..= 0x2003FBBC), using 1024 byte canary
-(HOST) TRACE setting up canary took 0.020s (51.19 KiB/s)
+(HOST) DEBUG vector table: VectorTable { initial_stack_pointer: 2003fbc0, hard_fault: 1771 }
+(HOST) DEBUG RAM region: 0x20000000-0x2003FFFF
+(HOST) DEBUG section `.data` is in RAM at 0x2003FBC0..=0x2003FBF7
+(HOST) DEBUG section `.bss` is in RAM at 0x2003FBF8..=0x2003FBFF
+(HOST) DEBUG section `.uninit` is in RAM at 0x2003FC00..=0x2003FFFF
+(HOST) DEBUG valid SP range: 0x20000000..=0x2003FBBC
+(HOST) DEBUG 261052 bytes of stack available (0x20000000 ..= 0x2003FBBC), using 26108 byte canary
+(HOST) TRACE setting up canary took 0.022s (1162.52 KiB/s)
 (HOST) DEBUG starting device
 (HOST) DEBUG Successfully attached RTT
 ────────────────────────────────────────────────────────────────────────────────
 ERROR panicked at 'explicit panic'
 ────────────────────────────────────────────────────────────────────────────────
-(HOST) TRACE reading canary took 0.024s (41.48 KiB/s)
+(HOST) TRACE reading canary took 0.023s (1131.21 KiB/s)
 (HOST) DEBUG stack canary intact
-(HOST) TRACE 0x000017d2: found FDE for 0x000017d2 .. 0x000017ea at offset 5672
-(HOST) TRACE uwt row for pc 0x000017d2: UnwindTableRow { start_address: 6098, end_address: 6122, saved_args_size: 0, cfa: RegisterAndOffset { register: Register(13), offset: 0 }, registers: RegisterRuleMap { rules: [] } }
-(HOST) DEBUG LR=0xFFFFFFF9 PC=0x000017D2
-(HOST) TRACE 0x0000025a: found FDE for 0x0000025a .. 0x0000025e at offset 6632
-(HOST) TRACE uwt row for pc 0x0000025a: UnwindTableRow { start_address: 602, end_address: 606, saved_args_size: 0, cfa: RegisterAndOffset { register: Register(13), offset: 0 }, registers: RegisterRuleMap { rules: [] } }
-(HOST) DEBUG LR=0x00000195 PC=0x0000025A
-(HOST) TRACE 0x00000194: found FDE for 0x0000018c .. 0x00000196 at offset 96
-(HOST) TRACE uwt row for pc 0x00000194: UnwindTableRow { start_address: 400, end_address: 406, saved_args_size: 0, cfa: RegisterAndOffset { register: Register(7), offset: 8 }, registers: RegisterRuleMap { rules: [(Register(14), Offset(-4)), (Register(7), Offset(-8))] } }
-(HOST) DEBUG update_cfa: CFA changed Some(2003fb98) -> 2003fba0
-(HOST) TRACE update reg=Register(14), rule=Offset(-4), abs=0x2003fb9c -> value=0x0000019f
-(HOST) TRACE update reg=Register(7), rule=Offset(-8), abs=0x2003fb98 -> value=0x2003fba0
-(HOST) DEBUG LR=0x0000019F PC=0x00000194
-(HOST) TRACE 0x0000019e: found FDE for 0x00000196 .. 0x000001a0 at offset 152
-(HOST) TRACE uwt row for pc 0x0000019e: UnwindTableRow { start_address: 410, end_address: 416, saved_args_size: 0, cfa: RegisterAndOffset { register: Register(7), offset: 8 }, registers: RegisterRuleMap { rules: [(Register(14), Offset(-4)), (Register(7), Offset(-8))] } }
-(HOST) DEBUG update_cfa: CFA changed Some(2003fba0) -> 2003fba8
-(HOST) TRACE update reg=Register(14), rule=Offset(-4), abs=0x2003fba4 -> value=0x0000018b
-(HOST) TRACE update reg=Register(7), rule=Offset(-8), abs=0x2003fba0 -> value=0x2003fbb0
-(HOST) DEBUG LR=0x0000018B PC=0x0000019E
-(HOST) TRACE 0x0000018a: found FDE for 0x00000162 .. 0x0000018c at offset 48
-(HOST) TRACE uwt row for pc 0x0000018a: UnwindTableRow { start_address: 358, end_address: 396, saved_args_size: 0, cfa: RegisterAndOffset { register: Register(7), offset: 8 }, registers: RegisterRuleMap { rules: [(Register(14), Offset(-4)), (Register(7), Offset(-8))] } }
-(HOST) DEBUG update_cfa: CFA changed Some(2003fba8) -> 2003fbb8
+(HOST) TRACE 0x00001770: found FDE for 0x00001770 .. 0x00001788 at offset 20
+(HOST) TRACE uwt row for pc 0x00001770: UnwindTableRow { start_address: 6000, end_address: 6024, saved_args_size: 0, cfa: RegisterAndOffset { register: Register(13), offset: 0 }, registers: RegisterRuleMap { rules: [] } }
+(HOST) DEBUG LR=0xFFFFFFF9 PC=0x00001770
+(HOST) TRACE 0x00001620: found FDE for 0x00001620 .. 0x00001624 at offset 1388
+(HOST) TRACE uwt row for pc 0x00001620: UnwindTableRow { start_address: 5664, end_address: 5668, saved_args_size: 0, cfa: RegisterAndOffset { register: Register(13), offset: 0 }, registers: RegisterRuleMap { rules: [] } }
+(HOST) DEBUG LR=0x00001611 PC=0x00001620
+(HOST) TRACE 0x00001610: found FDE for 0x00001608 .. 0x00001612 at offset 1084
+(HOST) TRACE uwt row for pc 0x00001610: UnwindTableRow { start_address: 5644, end_address: 5650, saved_args_size: 0, cfa: RegisterAndOffset { register: Register(7), offset: 8 }, registers: RegisterRuleMap { rules: [(Register(14), Offset(-4)), (Register(7), Offset(-8))] } }
+(HOST) DEBUG update_cfa: CFA changed Some(2003fba8) -> 2003fbb0
+(HOST) TRACE update reg=Register(14), rule=Offset(-4), abs=0x2003fbac -> value=0x0000017f
+(HOST) TRACE update reg=Register(7), rule=Offset(-8), abs=0x2003fba8 -> value=0x2003fbb0
+(HOST) DEBUG LR=0x0000017F PC=0x00001610
+(HOST) TRACE 0x0000017e: found FDE for 0x00000162 .. 0x00000180 at offset 80
+(HOST) TRACE uwt row for pc 0x0000017e: UnwindTableRow { start_address: 358, end_address: 384, saved_args_size: 0, cfa: RegisterAndOffset { register: Register(7), offset: 8 }, registers: RegisterRuleMap { rules: [(Register(14), Offset(-4)), (Register(7), Offset(-8))] } }
+(HOST) DEBUG update_cfa: CFA changed Some(2003fbb0) -> 2003fbb8
 (HOST) TRACE update reg=Register(14), rule=Offset(-4), abs=0x2003fbb4 -> value=0x00000161
 (HOST) TRACE update reg=Register(7), rule=Offset(-8), abs=0x2003fbb0 -> value=0x2003fbb8
-(HOST) DEBUG LR=0x00000161 PC=0x0000018A
-(HOST) TRACE 0x00000160: found FDE for 0x00000158 .. 0x00000162 at offset 20
+(HOST) DEBUG LR=0x00000161 PC=0x0000017E
+(HOST) TRACE 0x00000160: found FDE for 0x00000158 .. 0x00000162 at offset 52
 (HOST) TRACE uwt row for pc 0x00000160: UnwindTableRow { start_address: 348, end_address: 354, saved_args_size: 0, cfa: RegisterAndOffset { register: Register(7), offset: 8 }, registers: RegisterRuleMap { rules: [(Register(14), Offset(-4)), (Register(7), Offset(-8))] } }
 (HOST) DEBUG update_cfa: CFA changed Some(2003fbb8) -> 2003fbc0
 (HOST) TRACE update reg=Register(14), rule=Offset(-4), abs=0x2003fbbc -> value=0x0000013d
 (HOST) TRACE update reg=Register(7), rule=Offset(-8), abs=0x2003fbb8 -> value=0x00000000
 (HOST) DEBUG LR=0x0000013D PC=0x00000160
-(HOST) TRACE 0x0000013c: found FDE for 0x00000100 .. 0x0000013e at offset 5688
+(HOST) TRACE 0x0000013c: found FDE for 0x00000100 .. 0x0000013e at offset 36
 (HOST) TRACE uwt row for pc 0x0000013c: UnwindTableRow { start_address: 256, end_address: 318, saved_args_size: 0, cfa: RegisterAndOffset { register: Register(13), offset: 0 }, registers: RegisterRuleMap { rules: [] } }
 (HOST) DEBUG LR=0x0000013D PC=0x0000013C
 (HOST) TRACE demangle Ok("_ZN3lib6inline5__udf17ha5cfb7665e0fe90cE") (language=Some(DwLang(1C))) -> Ok("lib::inline::__udf")
 (HOST) TRACE demangle Ok("__udf") (language=Some(DwLang(1C))) -> Ok("__udf")
-(HOST) TRACE demangle Ok("_ZN8cortex_m3asm3udf17he6ff4eef0237912cE") (language=Some(DwLang(1C))) -> Ok("cortex_m::asm::udf")
+(HOST) TRACE demangle Ok("_ZN8cortex_m3asm3udf17hf580bd6f648768cdE") (language=Some(DwLang(1C))) -> Ok("cortex_m::asm::udf")
 (HOST) TRACE demangle Ok("_defmt_panic") (language=Some(DwLang(1C))) -> Ok("_defmt_panic")
-(HOST) TRACE demangle Ok("_ZN5defmt6export5panic17hedd7fcdbb5580196E") (language=Some(DwLang(1C))) -> Ok("defmt::export::panic")
-(HOST) TRACE demangle Ok("_ZN5panic18__cortex_m_rt_main17haa1cdf94498fcb9aE") (language=Some(DwLang(1C))) -> Ok("panic::__cortex_m_rt_main")
+(HOST) TRACE demangle Ok("_ZN5defmt6export5panic17h35131ca09663314fE") (language=Some(DwLang(1C))) -> Ok("defmt::export::panic")
+(HOST) TRACE demangle Ok("_ZN5panic18__cortex_m_rt_main17h987df67efcfbeac1E") (language=Some(DwLang(1C))) -> Ok("panic::__cortex_m_rt_main")
 (HOST) TRACE demangle Ok("main") (language=Some(DwLang(1C))) -> Ok("main")
 stack backtrace:
-   0: 0x000017d2 @ HardFaultTrampoline
+   0: 0x00001770 @ HardFaultTrampoline
       <exception entry>
-   1: 0x0000025a @ lib::inline::__udf
+   1: 0x00001620 @ lib::inline::__udf
         at ./asm/inline.rs:181:5
-   2: 0x0000025a @ __udf
+   2: 0x00001620 @ __udf
         at ./asm/lib.rs:51:17
-   3: 0x00000194 @ cortex_m::asm::udf
-        at [cortex-m-0.7.7]/src/asm.rs:43:5
-   4: 0x0000019e @ _defmt_panic
-        at /tmp/app/src/lib.rs:12:5
-   5: 0x0000018a @ defmt::export::panic
-        at [defmt-0.3.2]/src/export/mod.rs:133:14
-   6: 0x0000018a @ panic::__cortex_m_rt_main
-        at /tmp/app/src/bin/panic.rs:8:5
+   3: 0x00001610 @ cortex_m::asm::udf
+        at [cortex-m-0.7.7]/src/call_asm.rs:19:21
+   4: 0x00001610 @ _defmt_panic
+        at /test_elfs/src/lib.rs:12:5
+   5: 0x0000017e @ defmt::export::panic
+        at [defmt-0.3.4]/src/export/mod.rs:133:14
+   6: 0x0000017e @ panic::__cortex_m_rt_main
+        at /test_elfs/src/bin/panic.rs:8:5
    7: 0x00000160 @ main
-        at /tmp/app/src/bin/panic.rs:6:1
+        at /test_elfs/src/bin/panic.rs:6:1
    8: 0x0000013c @ Reset
 (HOST) ERROR the program panicked
 
diff --git a/tests/snapshots/snapshot__case_8_stack_overflow_can_suppress_backtrace.snap b/tests/snapshots/snapshot__case_8_stack_overflow_can_suppress_backtrace.snap
index c3336f2f..6b350fc9 100644
--- a/tests/snapshots/snapshot__case_8_stack_overflow_can_suppress_backtrace.snap
+++ b/tests/snapshots/snapshot__case_8_stack_overflow_can_suppress_backtrace.snap
@@ -7,22 +7,23 @@ expression: run_result.output
 (HOST) INFO  flashing program (2 pages / 8.00 KiB)
 (HOST) INFO  success!
 ────────────────────────────────────────────────────────────────────────────────
-ack(m=10, n=10, SP=2003bb98)
-ack(m=10, n=9, SP=20037b78)
-ack(m=10, n=8, SP=20033b58)
-ack(m=10, n=7, SP=2002fb38)
-ack(m=10, n=6, SP=2002bb18)
-ack(m=10, n=5, SP=20027af8)
-ack(m=10, n=4, SP=20023ad8)
-ack(m=10, n=3, SP=2001fab8)
-ack(m=10, n=2, SP=2001ba98)
-ack(m=10, n=1, SP=20017a78)
-ack(m=10, n=0, SP=20013a58)
-ack(m=9, n=1, SP=2000fa38)
-ack(m=9, n=0, SP=2000ba18)
-ack(m=8, n=1, SP=200079f8)
-ack(m=8, n=0, SP=200039d8)
+ack(m=10, n=10, SP=0x2003bfd4)
+ack(m=10, n=9, SP=0x20037fb4)
+ack(m=10, n=8, SP=0x20033f94)
+ack(m=10, n=7, SP=0x2002ff74)
+ack(m=10, n=6, SP=0x2002bf54)
+ack(m=10, n=5, SP=0x20027f34)
+ack(m=10, n=4, SP=0x20023f14)
+ack(m=10, n=3, SP=0x2001fef4)
+ack(m=10, n=2, SP=0x2001bed4)
+ack(m=10, n=1, SP=0x20017eb4)
+ack(m=10, n=0, SP=0x20013e94)
+ack(m=9, n=1, SP=0x2000fe74)
+ack(m=9, n=0, SP=0x2000be54)
+ack(m=8, n=1, SP=0x20007e34)
+ack(m=8, n=0, SP=0x20003e14)
 ────────────────────────────────────────────────────────────────────────────────
 (HOST) WARN  program has used at least 240.62/254.93 KiB (94.4%) of stack space
+(HOST) WARN  data segments might be corrupted due to stack overflow
 (HOST) ERROR the program has overflowed its stack
 
diff --git a/tests/snapshots/snapshot__case_9_canary.snap b/tests/snapshots/snapshot__case_9_canary.snap
index 614ebe11..3973e04d 100644
--- a/tests/snapshots/snapshot__case_9_canary.snap
+++ b/tests/snapshots/snapshot__case_9_canary.snap
@@ -7,21 +7,21 @@ expression: run_result.output
 (HOST) INFO  flashing program (2 pages / 8.00 KiB)
 (HOST) INFO  success!
 ────────────────────────────────────────────────────────────────────────────────
-ack(m=10, n=10, SP=2003bfd8)
-ack(m=10, n=9, SP=20037fb8)
-ack(m=10, n=8, SP=20033f98)
-ack(m=10, n=7, SP=2002ff78)
-ack(m=10, n=6, SP=2002bf58)
-ack(m=10, n=5, SP=20027f38)
-ack(m=10, n=4, SP=20023f18)
-ack(m=10, n=3, SP=2001fef8)
-ack(m=10, n=2, SP=2001bed8)
-ack(m=10, n=1, SP=20017eb8)
-ack(m=10, n=0, SP=20013e98)
-ack(m=9, n=1, SP=2000fe78)
-ack(m=9, n=0, SP=2000be58)
-ack(m=8, n=1, SP=20007e38)
-ack(m=8, n=0, SP=20003e18)
+ack(m=10, n=10, SP=0x2003bfd4)
+ack(m=10, n=9, SP=0x20037fb4)
+ack(m=10, n=8, SP=0x20033f94)
+ack(m=10, n=7, SP=0x2002ff74)
+ack(m=10, n=6, SP=0x2002bf54)
+ack(m=10, n=5, SP=0x20027f34)
+ack(m=10, n=4, SP=0x20023f14)
+ack(m=10, n=3, SP=0x2001fef4)
+ack(m=10, n=2, SP=0x2001bed4)
+ack(m=10, n=1, SP=0x20017eb4)
+ack(m=10, n=0, SP=0x20013e94)
+ack(m=9, n=1, SP=0x2000fe74)
+ack(m=9, n=0, SP=0x2000be54)
+ack(m=8, n=1, SP=0x20007e34)
+ack(m=8, n=0, SP=0x20003e14)
 ────────────────────────────────────────────────────────────────────────────────
 (HOST) WARN  program has used at least 240.62/254.93 KiB (94.4%) of stack space
 (HOST) WARN  data segments might be corrupted due to stack overflow
diff --git a/tests/snapshots/snapshot__ctrl_c_by_user_is_reported_as_such.snap b/tests/snapshots/snapshot__ctrl_c_by_user_is_reported_as_such.snap
index 60a6f287..f7f5e8c3 100644
--- a/tests/snapshots/snapshot__ctrl_c_by_user_is_reported_as_such.snap
+++ b/tests/snapshots/snapshot__ctrl_c_by_user_is_reported_as_such.snap
@@ -1,6 +1,6 @@
 ---
 source: tests/snapshot.rs
-assertion_line: 123
+assertion_line: 124
 expression: run_result.output
 
 ---
@@ -10,9 +10,9 @@ expression: run_result.output
 ────────────────────────────────────────────────────────────────────────────────
 stack backtrace:
    0: silent_loop::__cortex_m_rt_main
-        at /tmp/app/src/bin/silent-loop.rs:9:5
+        at /test_elfs/src/bin/silent-loop.rs:9:5
    1: main
-        at /tmp/app/src/bin/silent-loop.rs:6:1
+        at /test_elfs/src/bin/silent-loop.rs:6:1
    2: Reset
 (HOST) INFO  device halted by user
 
diff --git a/tests/test_elfs/.gitignore b/tests/test_elfs/.gitignore
new file mode 100644
index 00000000..96ef6c0b
--- /dev/null
+++ b/tests/test_elfs/.gitignore
@@ -0,0 +1,2 @@
+/target
+Cargo.lock
diff --git a/tests/test_elfs/Cargo.toml b/tests/test_elfs/Cargo.toml
new file mode 100644
index 00000000..9c24b576
--- /dev/null
+++ b/tests/test_elfs/Cargo.toml
@@ -0,0 +1,28 @@
+[package]
+authors = ["The Knurling-rs developers"]
+name = "test_elfs"
+edition = "2021"
+version = "0.1.0"
+
+[lib]
+harness = false
+
+[dependencies]
+cortex-m = { version = "0.7", features = ["critical-section-single-core"] }
+cortex-m-rt = "0.7"
+defmt = "0.3"
+defmt-rtt = "0.4"
+panic-probe = { version = "0.3", features = ["print-defmt"] }
+nrf52840-hal = "0.16"
+
+[workspace]
+
+# cargo build/run --release
+[profile.release]
+codegen-units = 1
+debug = 2
+debug-assertions = false # <-
+incremental = false
+lto = 'fat'
+opt-level = 3            # <-
+overflow-checks = false  # <-
diff --git a/tests/test_elfs/cache/hello-raw b/tests/test_elfs/cache/hello-raw
new file mode 100755
index 00000000..9cc97723
Binary files /dev/null and b/tests/test_elfs/cache/hello-raw differ
diff --git a/tests/test_elfs/cache/hello-rzcobs b/tests/test_elfs/cache/hello-rzcobs
new file mode 100755
index 00000000..9cc97723
Binary files /dev/null and b/tests/test_elfs/cache/hello-rzcobs differ
diff --git a/tests/test_elfs/cache/overflow-no-flip-link b/tests/test_elfs/cache/overflow-no-flip-link
new file mode 100755
index 00000000..e78c528d
Binary files /dev/null and b/tests/test_elfs/cache/overflow-no-flip-link differ
diff --git a/tests/test_elfs/cache/overflow-rzcobs b/tests/test_elfs/cache/overflow-rzcobs
new file mode 100755
index 00000000..e78c528d
Binary files /dev/null and b/tests/test_elfs/cache/overflow-rzcobs differ
diff --git a/tests/test_elfs/cache/panic-rzcobs b/tests/test_elfs/cache/panic-rzcobs
new file mode 100755
index 00000000..4c8abc4e
Binary files /dev/null and b/tests/test_elfs/cache/panic-rzcobs differ
diff --git a/tests/test_elfs/cache/silent-loop-rzcobs b/tests/test_elfs/cache/silent-loop-rzcobs
new file mode 100755
index 00000000..46b0221d
Binary files /dev/null and b/tests/test_elfs/cache/silent-loop-rzcobs differ
diff --git a/tests/test_elfs/hello-raw b/tests/test_elfs/hello-raw
deleted file mode 100755
index 79de2bf6..00000000
Binary files a/tests/test_elfs/hello-raw and /dev/null differ
diff --git a/tests/test_elfs/hello-rzcobs b/tests/test_elfs/hello-rzcobs
deleted file mode 100755
index 17a6c923..00000000
Binary files a/tests/test_elfs/hello-rzcobs and /dev/null differ
diff --git a/tests/test_elfs/overflow-no-flip-link b/tests/test_elfs/overflow-no-flip-link
deleted file mode 100755
index 0148b9cd..00000000
Binary files a/tests/test_elfs/overflow-no-flip-link and /dev/null differ
diff --git a/tests/test_elfs/overflow-rzcobs b/tests/test_elfs/overflow-rzcobs
deleted file mode 100755
index e7ad9196..00000000
Binary files a/tests/test_elfs/overflow-rzcobs and /dev/null differ
diff --git a/tests/test_elfs/panic-rzcobs b/tests/test_elfs/panic-rzcobs
deleted file mode 100755
index 636c209a..00000000
Binary files a/tests/test_elfs/panic-rzcobs and /dev/null differ
diff --git a/tests/test_elfs/silent-loop-rzcobs b/tests/test_elfs/silent-loop-rzcobs
deleted file mode 100755
index d1768c1d..00000000
Binary files a/tests/test_elfs/silent-loop-rzcobs and /dev/null differ
diff --git a/tests/test_elfs/hello.rs b/tests/test_elfs/src/bin/hello.rs
similarity index 52%
rename from tests/test_elfs/hello.rs
rename to tests/test_elfs/src/bin/hello.rs
index 9f2fe57b..899c8d7a 100644
--- a/tests/test_elfs/hello.rs
+++ b/tests/test_elfs/src/bin/hello.rs
@@ -1,11 +1,11 @@
 #![no_main]
 #![no_std]
 
-use app as _;
+use test_elfs as _; // global logger + panicking-behavior + memory layout
 
 #[cortex_m_rt::entry]
 fn main() -> ! {
     defmt::println!("Hello, world!");
 
-    app::exit()
+    test_elfs::exit()
 }
diff --git a/tests/test_elfs/overflow.rs b/tests/test_elfs/src/bin/overflow.rs
similarity index 84%
rename from tests/test_elfs/overflow.rs
rename to tests/test_elfs/src/bin/overflow.rs
index dd4e7253..d5a1a045 100644
--- a/tests/test_elfs/overflow.rs
+++ b/tests/test_elfs/src/bin/overflow.rs
@@ -1,12 +1,12 @@
 #![no_main]
 #![no_std]
 
-use app as _;
+use test_elfs as _; // global logger + panicking-behavior + memory layout
 
 #[cortex_m_rt::entry]
 fn main() -> ! {
     ack(10, 10);
-    app::exit()
+    test_elfs::exit()
 }
 
 fn ack(m: u32, n: u32) -> u32 {
diff --git a/tests/test_elfs/panic.rs b/tests/test_elfs/src/bin/panic.rs
similarity index 53%
rename from tests/test_elfs/panic.rs
rename to tests/test_elfs/src/bin/panic.rs
index 5d5e8225..69cedd23 100644
--- a/tests/test_elfs/panic.rs
+++ b/tests/test_elfs/src/bin/panic.rs
@@ -1,7 +1,7 @@
 #![no_main]
 #![no_std]
 
-use app as _;
+use test_elfs as _; // global logger + panicking-behavior + memory layout
 
 #[cortex_m_rt::entry]
 fn main() -> ! {
diff --git a/tests/test_elfs/silent-loop.rs b/tests/test_elfs/src/bin/silent-loop.rs
similarity index 88%
rename from tests/test_elfs/silent-loop.rs
rename to tests/test_elfs/src/bin/silent-loop.rs
index 761b9d0b..d254861d 100644
--- a/tests/test_elfs/silent-loop.rs
+++ b/tests/test_elfs/src/bin/silent-loop.rs
@@ -1,7 +1,7 @@
 #![no_main]
 #![no_std]
 
-use app as _;
+use test_elfs as _;
 
 #[cortex_m_rt::entry]
 fn main() -> ! {
diff --git a/tests/test_elfs/src/lib.rs b/tests/test_elfs/src/lib.rs
new file mode 100644
index 00000000..08f1f844
--- /dev/null
+++ b/tests/test_elfs/src/lib.rs
@@ -0,0 +1,20 @@
+#![no_main]
+#![no_std]
+
+use defmt_rtt as _; // global logger
+use nrf52840_hal as _; // memory layout
+use panic_probe as _;
+
+// same panicking *behavior* as `panic-probe` but doesn't print a panic message
+// this prevents the panic message being printed *twice* when `defmt::panic` is invoked
+#[defmt::panic_handler]
+fn panic() -> ! {
+    cortex_m::asm::udf()
+}
+
+/// Terminates the application and makes `probe-run` exit with exit-code = 0
+pub fn exit() -> ! {
+    loop {
+        cortex_m::asm::bkpt();
+    }
+}
diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
new file mode 100644
index 00000000..32add9c5
--- /dev/null
+++ b/xtask/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "xtask"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+clap = { version = "4.3", features = ["derive"] }
diff --git a/xtask/src/build_elfs.rs b/xtask/src/build_elfs.rs
new file mode 100644
index 00000000..ba5ab79d
--- /dev/null
+++ b/xtask/src/build_elfs.rs
@@ -0,0 +1,86 @@
+use std::{env, fs, process::Command};
+
+const PATH: &str = "tests/test_elfs";
+
+/// Build the various test elfs and copy them to the cache
+pub fn run() {
+    all_bins_rzcobs();
+    hello_raw();
+    overflow_no_flip_link();
+}
+
+fn all_bins_rzcobs() {
+    cargo_build("--bins", true);
+
+    for name in ["hello", "overflow", "panic", "silent-loop"] {
+        copy(name, &format!("{name}-rzcobs"))
+    }
+}
+
+fn hello_raw() {
+    // save state of Cargo.toml, so we can restore it later
+    let cargo_toml = format!("{PATH}/Cargo.toml");
+    let before = fs::read(&cargo_toml).unwrap();
+
+    // activate feature `encoding-raw` of `defmt`
+    run_cmd("cargo add defmt --features encoding-raw", "");
+
+    // build the binary
+    cargo_build("--bin hello", true);
+
+    // restore Cargo.toml
+    fs::write(cargo_toml, before).unwrap();
+
+    copy("hello", "hello-raw");
+}
+
+fn overflow_no_flip_link() {
+    cargo_build("--bin overflow", false);
+
+    copy("overflow", "overflow-no-flip-link");
+}
+
+fn cargo_build(target: &str, flip_link: bool) {
+    let mut args = "cargo build --release --target thumbv7em-none-eabihf ".to_string();
+    args.push_str(target);
+
+    let mut rustflags =
+        "-C link-arg=-Tlink.x -C link-arg=-Tdefmt.x -C link-arg=--nmagic".to_string();
+
+    // remap the path
+    let repo_dir = env::current_dir().unwrap();
+    rustflags += &format!(
+        " --remap-path-prefix {}/{PATH}=/test_elfs",
+        repo_dir.display()
+    );
+
+    if flip_link {
+        // set flip-link as linker
+        rustflags += " -C linker=flip-link";
+    }
+
+    run_cmd(&args, &rustflags);
+}
+
+/// Copy the binary from the `target/` dir to the cache
+fn copy(old_name: &str, new_name: &str) {
+    run_cmd(
+        &format!("cp ../../target/thumbv7em-none-eabihf/release/{old_name} cache/{new_name}"),
+        "",
+    );
+}
+
+fn run_cmd(command: &str, rustflags: &str) {
+    println!("RUN: {command}");
+    let mut cmd = command.split(' ');
+    let success = Command::new(cmd.next().unwrap())
+        .args(cmd)
+        .current_dir(PATH)
+        .env("RUSTFLAGS", rustflags)
+        .status()
+        .unwrap()
+        .success();
+    if !success {
+        panic!("command failed: {command}");
+    }
+}
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
new file mode 100644
index 00000000..bdd898da
--- /dev/null
+++ b/xtask/src/main.rs
@@ -0,0 +1,20 @@
+//! # xtask
+//!
+//! cargo xtask build-tests
+
+mod build_elfs;
+
+use clap::Parser;
+
+#[derive(Parser)]
+#[command(author, version, about, long_about = None)]
+enum Command {
+    /// Rebuild elfs for on-device testing
+    BuildElfs,
+}
+
+fn main() {
+    match Command::parse() {
+        Command::BuildElfs => build_elfs::run(),
+    }
+}