diff --git a/sysdata/programs/ps2_driver/error.:3 b/sysdata/programs/ps2_driver/error.:3
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+++ b/sysdata/programs/ps2_driver/error.:3
@@ -0,0 +1,99 @@
+    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
+     Running `target/debug/repbuild r -r -d --noaccel`
+   Compiling x86_64 v0.14.13
+   Compiling crossbeam-queue v0.3.11
+   Compiling uart_16550 v0.3.2
+   Compiling derive_more v1.0.0
+   Compiling spin v0.9.8
+   Compiling hbvm v0.1.0 (https://git.ablecorp.us/AbleOS/holey-bytes.git#cf672beb)
+error[E0053]: method `steps_between` has an incompatible type for trait
+   --> /home/meOwO/.cargo/registry/src/index.crates.io-6f17d22bba15001f/x86_64-0.14.13/src/addr.rs:387:51
+    |
+387 |     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
+    |                                                   ^^^^^^^^^^^^^^^^^^^^^^ expected `Option<usize>`, found `(usize, Option<usize>)`
+    |
+    = note: expected signature `fn(&addr::VirtAddr, &addr::VirtAddr) -> Option<usize>`
+               found signature `fn(&addr::VirtAddr, &addr::VirtAddr) -> (usize, Option<usize>)`
+help: change the output type to match the trait
+    |
+387 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
+    |                                                   ~~~~~~~~~~~~~
+
+   Compiling slab v0.4.9
+error[E0053]: method `steps_between` has an incompatible type for trait
+   --> /home/meOwO/.cargo/registry/src/index.crates.io-6f17d22bba15001f/x86_64-0.14.13/src/structures/paging/page.rs:284:51
+    |
+284 |     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
+    |                                                   ^^^^^^^^^^^^^^^^^^^^^^ expected `Option<usize>`, found `(usize, Option<usize>)`
+    |
+    = note: expected signature `fn(&Page<_>, &Page<_>) -> Option<usize>`
+               found signature `fn(&Page<_>, &Page<_>) -> (usize, Option<usize>)`
+help: change the output type to match the trait
+    |
+284 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
+    |                                                   ~~~~~~~~~~~~~
+
+   Compiling xml v0.1.0 (https://git.ablecorp.us/ableos/ableos_userland#6c38f2b2)
+   Compiling versioning v0.1.3 (https://git.ablecorp.us/ableos/ableos_userland#6c38f2b2)
+   Compiling x86_64 v0.15.2
+   Compiling ktest_macro v0.1.0 (/home/meOwO/peo-able/kernel/ktest_macro)
+   Compiling limine v0.1.12
+   Compiling log v0.4.22
+error[E0053]: method `steps_between` has an incompatible type for trait
+   --> /home/meOwO/.cargo/registry/src/index.crates.io-6f17d22bba15001f/x86_64-0.15.2/src/addr.rs:406:51
+    |
+406 |     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
+    |                                                   ^^^^^^^^^^^^^^^^^^^^^^ expected `Option<usize>`, found `(usize, Option<usize>)`
+    |
+    = note: expected signature `fn(&addr::VirtAddr, &addr::VirtAddr) -> Option<usize>`
+               found signature `fn(&addr::VirtAddr, &addr::VirtAddr) -> (usize, Option<usize>)`
+help: change the output type to match the trait
+    |
+406 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
+    |                                                   ~~~~~~~~~~~~~
+
+For more information about this error, try `rustc --explain E0053`.
+error: could not compile `x86_64` (lib) due to 2 previous errors
+warning: build failed, waiting for other jobs to finish...
+error[E0053]: method `steps_between` has an incompatible type for trait
+   --> /home/meOwO/.cargo/registry/src/index.crates.io-6f17d22bba15001f/x86_64-0.15.2/src/structures/paging/page.rs:307:51
+    |
+307 |     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
+    |                                                   ^^^^^^^^^^^^^^^^^^^^^^ expected `Option<usize>`, found `(usize, Option<usize>)`
+    |
+    = note: expected signature `fn(&page::Page<_>, &page::Page<_>) -> Option<usize>`
+               found signature `fn(&page::Page<_>, &page::Page<_>) -> (usize, Option<usize>)`
+help: change the output type to match the trait
+    |
+307 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
+    |                                                   ~~~~~~~~~~~~~
+
+error[E0053]: method `steps_between` has an incompatible type for trait
+   --> /home/meOwO/.cargo/registry/src/index.crates.io-6f17d22bba15001f/x86_64-0.15.2/src/structures/paging/page_table.rs:356:51
+    |
+356 |     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
+    |                                                   ^^^^^^^^^^^^^^^^^^^^^^ expected `Option<usize>`, found `(usize, Option<usize>)`
+    |
+    = note: expected signature `fn(&PageTableIndex, &PageTableIndex) -> Option<usize>`
+               found signature `fn(&PageTableIndex, &PageTableIndex) -> (usize, Option<usize>)`
+help: change the output type to match the trait
+    |
+356 |     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
+    |                                                   ~~~~~~~~~~~~~
+
+error[E0308]: mismatched types
+   --> /home/meOwO/.cargo/registry/src/index.crates.io-6f17d22bba15001f/x86_64-0.15.2/src/structures/paging/page_table.rs:357:9
+    |
+356 |     fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
+    |                                                   ---------------------- expected `(usize, Option<usize>)` because of return type
+357 |         Step::steps_between(&start.0, &end.0)
+    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `(usize, Option<usize>)`, found `Option<usize>`
+    |
+    = note: expected tuple `(usize, Option<usize>)`
+                found enum `Option<usize>`
+
+Some errors have detailed explanations: E0053, E0308.
+For more information about an error, try `rustc --explain E0053`.
+error: could not compile `x86_64` (lib) due to 4 previous errors
+Error: Failed to build the kernel
+╰╴at repbuild/src/main.rs:369:41
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