Fix rust build breakage caused by bare-io package being yanked.

Didn't find an explanation for why all versions of bare-io were yanked
but core2 has the Cursor support and is by the same author.

Change-Id: Id27adaa568a8e1b7b5825c8f81aa489a96675969
GitOrigin-RevId: 7fb8950938c9536a9c795b246d240fca756b3499

apps/system/components/DebugConsole/kata-logger/Cargo.toml

@@ -5,7 +5,7 @@ edition = "2018"
 
 [dependencies]
 arrayvec = { version = "0.7", default-features = false }
+core2 = { version = "0.3", default-features = false }
 # Disable default so we don't pull in CString which requires an allocator
-bare-io = "0.2"
 cstr_core = { version = "0.2.3", default-features = false }
 log = "0.4"

apps/system/components/DebugConsole/kata-logger/src/lib.rs

@@ -1,6 +1,7 @@
 #![cfg_attr(not(test), no_std)]
 
 use cstr_core::CStr;
+use core2::io::{Cursor, Write};
 use log::{Metadata, Record};
 
 // TODO(sleffler): until we can copy directly into shared memory limit
@@ -19,7 +20,6 @@ impl log::Log for KataLogger {
             extern "C" {
                 fn logger_log(level: u8, msg: *const cstr_core::c_char);
             }
-            use bare_io::{Cursor, Write};
             let mut buf = [0 as u8; MAX_MSG_LEN];
             let mut cur = Cursor::new(&mut buf[..]);
             // Log msgs are of the form: '<target>::<fmt'd-msg>