In the linking phase of the kernel build ld returns with the following error:
rskernel.o: In function `kmain':
kernel.rs:(.text.kmain+0x7d): undefined reference to `ZN7failure5fail_20h663017d6c5d27101NWjE'
In the kernel.rs file the following code is provoking a call to core::failure::fail_:
provoke_fail_( 0/0 ); // 0/0 will call fail_ due to zero divisionThe core library is referenced via extern crate core; in kernel.rs.