diff --git a/target/.rustc_info.json b/target/.rustc_info.json
index 06cf882..6297e86 100644
--- a/target/.rustc_info.json
+++ b/target/.rustc_info.json
@@ -1 +1 @@
-{"rustc_fingerprint":3153389369558850253,"outputs":{"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.69.0 (84c898d65 2023-04-16)\nbinary: rustc\ncommit-hash: 84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\ncommit-date: 2023-04-16\nhost: x86_64-unknown-linux-gnu\nrelease: 1.69.0\nLLVM version: 15.0.7\n","stderr":"<jemalloc>: MADV_DONTNEED does not work (memset will be used instead)\n<jemalloc>: (This is the expected behaviour if you are running under QEMU)\n"}},"successes":{}}
\ No newline at end of file
+{"rustc_fingerprint":3153389369558850253,"outputs":{"15729799797837862367":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/rust\noff\npacked\nunpacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n","stderr":"<jemalloc>: MADV_DONTNEED does not work (memset will be used instead)\n<jemalloc>: (This is the expected behaviour if you are running under QEMU)\n"},"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.69.0 (84c898d65 2023-04-16)\nbinary: rustc\ncommit-hash: 84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc\ncommit-date: 2023-04-16\nhost: x86_64-unknown-linux-gnu\nrelease: 1.69.0\nLLVM version: 15.0.7\n","stderr":"<jemalloc>: MADV_DONTNEED does not work (memset will be used instead)\n<jemalloc>: (This is the expected behaviour if you are running under QEMU)\n"},"5465382477075620165":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/rust\noff\npacked\nunpacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_arch=\"arm\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"32\"\ntarget_vendor=\"unknown\"\nunix\n","stderr":"<jemalloc>: MADV_DONTNEED does not work (memset will be used instead)\n<jemalloc>: (This is the expected behaviour if you are running under QEMU)\n"}},"successes":{}}
\ No newline at end of file
diff --git a/target/arm-unknown-linux-gnueabi/release/.fingerprint/rust-simple-gpio-cb59d7c51916711e/bin-rust-simple-gpio b/target/arm-unknown-linux-gnueabi/release/.fingerprint/rust-simple-gpio-cb59d7c51916711e/bin-rust-simple-gpio
index e69de29..62d45cf 100644
--- a/target/arm-unknown-linux-gnueabi/release/.fingerprint/rust-simple-gpio-cb59d7c51916711e/bin-rust-simple-gpio
+++ b/target/arm-unknown-linux-gnueabi/release/.fingerprint/rust-simple-gpio-cb59d7c51916711e/bin-rust-simple-gpio
@@ -0,0 +1 @@
+4c9ec673d3d836c9
\ No newline at end of file
diff --git a/target/arm-unknown-linux-gnueabi/release/.fingerprint/rust-simple-gpio-cb59d7c51916711e/output-bin-rust-simple-gpio b/target/arm-unknown-linux-gnueabi/release/.fingerprint/rust-simple-gpio-cb59d7c51916711e/output-bin-rust-simple-gpio
index b57b7d1..4e7facc 100644
--- a/target/arm-unknown-linux-gnueabi/release/.fingerprint/rust-simple-gpio-cb59d7c51916711e/output-bin-rust-simple-gpio
+++ b/target/arm-unknown-linux-gnueabi/release/.fingerprint/rust-simple-gpio-cb59d7c51916711e/output-bin-rust-simple-gpio
@@ -2,3 +2,4 @@
 <jemalloc>: (This is the expected behaviour if you are running under QEMU)
 {"message":"unused imports: `thread`, `time::Duration`","code":{"code":"unused_imports","explanation":null},"level":"warning","spans":[{"file_name":"src/main.rs","byte_start":10,"byte_end":16,"line_start":1,"line_end":1,"column_start":11,"column_end":17,"is_primary":true,"text":[{"text":"use std::{thread, time::Duration};","highlight_start":11,"highlight_end":17}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src/main.rs","byte_start":18,"byte_end":32,"line_start":1,"line_end":1,"column_start":19,"column_end":33,"is_primary":true,"text":[{"text":"use std::{thread, time::Duration};","highlight_start":19,"highlight_end":33}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(unused_imports)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null},{"message":"remove the whole `use` item","code":null,"level":"help","spans":[{"file_name":"src/main.rs","byte_start":0,"byte_end":34,"line_start":1,"line_end":1,"column_start":1,"column_end":35,"is_primary":true,"text":[{"text":"use std::{thread, time::Duration};","highlight_start":1,"highlight_end":35}],"label":null,"suggested_replacement":"","suggestion_applicability":"MachineApplicable","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: unused imports: `thread`, `time::Duration`\u001b[0m\n\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:1:11\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m1\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0muse std::{thread, time::Duration};\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m          \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^^^\u001b[0m\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^^^^^^^^^^^\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m= \u001b[0m\u001b[0m\u001b[1mnote\u001b[0m\u001b[0m: `#[warn(unused_imports)]` on by default\u001b[0m\n\n"}
 {"message":"function `is_button_pressed2` is never used","code":{"code":"dead_code","explanation":null},"level":"warning","spans":[{"file_name":"src/main.rs","byte_start":379,"byte_end":397,"line_start":14,"line_end":14,"column_start":4,"column_end":22,"is_primary":true,"text":[{"text":"fn is_button_pressed2(pin: &rppal::gpio::InputPin) -> bool {","highlight_start":4,"highlight_end":22}],"label":null,"suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"`#[warn(dead_code)]` on by default","code":null,"level":"note","spans":[],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: function `is_button_pressed2` is never used\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:14:4\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m14\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\u001b[0m \u001b[0m\u001b[0mfn is_button_pressed2(pin: &rppal::gpio::InputPin) -> bool {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[33m^^^^^^^^^^^^^^^^^^\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m= \u001b[0m\u001b[0m\u001b[1mnote\u001b[0m\u001b[0m: `#[warn(dead_code)]` on by default\u001b[0m\n\n"}
+{"message":"2 warnings emitted","code":null,"level":"warning","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[33mwarning\u001b[0m\u001b[0m\u001b[1m: 2 warnings emitted\u001b[0m\n\n"}
diff --git a/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e b/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e
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diff --git a/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.3cpjpn42u7d8yq4.rcgu.o b/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.3cpjpn42u7d8yq4.rcgu.o
deleted file mode 100644
index 1887e85..0000000
Binary files a/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.3cpjpn42u7d8yq4.rcgu.o and /dev/null differ
diff --git a/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.rust_simple_gpio.84e224ac-cgu.0.rcgu.o b/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.rust_simple_gpio.84e224ac-cgu.0.rcgu.o
deleted file mode 100644
index 60af7c3..0000000
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diff --git a/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.rust_simple_gpio.84e224ac-cgu.1.rcgu.o b/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.rust_simple_gpio.84e224ac-cgu.1.rcgu.o
deleted file mode 100644
index 7e369f2..0000000
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diff --git a/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.rust_simple_gpio.84e224ac-cgu.10.rcgu.o b/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.rust_simple_gpio.84e224ac-cgu.10.rcgu.o
deleted file mode 100644
index 03a4246..0000000
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diff --git a/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.rust_simple_gpio.84e224ac-cgu.14.rcgu.o b/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.rust_simple_gpio.84e224ac-cgu.14.rcgu.o
deleted file mode 100644
index 3c8bd68..0000000
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diff --git a/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.rust_simple_gpio.84e224ac-cgu.5.rcgu.o b/target/arm-unknown-linux-gnueabi/release/deps/rust_simple_gpio-cb59d7c51916711e.rust_simple_gpio.84e224ac-cgu.5.rcgu.o
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diff --git a/target/arm-unknown-linux-gnueabi/release/rust-simple-gpio b/target/arm-unknown-linux-gnueabi/release/rust-simple-gpio
index 27f6e26..0973af7 100755
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