CC      arch/arm/mm/flush.o
  CC      init/initramfs.o
  CC      init/calibrate.o
  CC      init/version.o
  CC      arch/arm/mm/idmap.o
  GEN     usr/initramfs_data.cpio
  CC      arch/arm/mm/ioremap.o
  AS      usr/initramfs_data.o
  CC      arch/arm/mm/mmap.o
/home/user/build/src/android_kernel_motorola_msm8226-09cff47d6b79b73ecc3461e227abf09faaa9e754/arch/arm/kernel/return_address.c:61:7: error: redefinition of 'return_address'
 void *return_address(unsigned int level)
       ^~~~~~~~~~~~~~
In file included from /home/user/build/src/android_kernel_motorola_msm8226-09cff47d6b79b73ecc3461e227abf09faaa9e754/include/linux/ftrace.h:19:0,
                 from /home/user/build/src/android_kernel_motorola_msm8226-09cff47d6b79b73ecc3461e227abf09faaa9e754/arch/arm/kernel/return_address.c:12:
/home/user/build/src/android_kernel_motorola_msm8226-09cff47d6b79b73ecc3461e227abf09faaa9e754/arch/arm/include/asm/ftrace.h:48:21: note: previous definition of 'return_address' was here
 extern inline void *return_address(unsigned int level)
                     ^~~~~~~~~~~~~~
make[3]: *** [/home/user/build/src/android_kernel_motorola_msm8226-09cff47d6b79b73ecc3461e227abf09faaa9e754/scripts/Makefile.build:307: arch/arm/kernel/return_address.o] Error 1
make[3]: *** Waiting for unfinished jobs....
  CC      arch/arm/mm/pgd.o
  CC      arch/arm/mm/mmu.o
  LD      usr/built-in.o
  CC      arch/arm/mm/vmregion.o
  CC      arch/arm/mm/alignment.o
  CC      arch/arm/common/gic.o
  CC      arch/arm/mm/highmem.o
make[2]: *** [/home/user/build/src/android_kernel_motorola_msm8226-09cff47d6b79b73ecc3461e227abf09faaa9e754/Makefile:953: arch/arm/kernel] Error 2
make[2]: *** Waiting for unfinished jobs....
  AS      arch/arm/mm/abort-ev7.o
  AS      arch/arm/mm/pabort-v7.o
  AS      arch/arm/mm/cache-v7.o
  CC      arch/arm/mm/copypage-v6.o
  CC      arch/arm/mm/context.o
  CC      arch/arm/common/cpaccess.o
  AS      arch/arm/mm/tlb-v7.o
  AS      arch/arm/mm/proc-v7.o
  LD      init/mounts.o
  LD      arch/arm/mm/built-in.o
init/do_mounts_rd.o: In function `return_address':
do_mounts_rd.c:(.text+0x0): multiple definition of `return_address'
init/do_mounts.o  LD      arch/arm/common/built-in.o
:do_mounts.c:(.text+0x34): first defined here
init/do_mounts_initrd.o: In function `return_address':
do_mounts_initrd.c:(.text+0x0): multiple definition of `return_address'
init/do_mounts.o:do_mounts.c:(.text+0x34): first defined here
make[3]: *** [/home/user/build/src/android_kernel_motorola_msm8226-09cff47d6b79b73ecc3461e227abf09faaa9e754/scripts/Makefile.build:429: init/mounts.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/home/user/build/src/android_kernel_motorola_msm8226-09cff47d6b79b73ecc3461e227abf09faaa9e754/Makefile:953: init] Error 2
make[1]: *** [Makefile:135: sub-make] Error 2
make: *** [Makefile:26: all] Error 2
>>> ERROR: linux-motorola-titan: all failed
(011696) [16:53:18] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(011696) [16:53:18] NOTE: The failed command's output is above the ^^^ line in the logfile: /tmp/pm3/log.txt
(011696) [16:53:18] ERROR: Command failed: (native) % cd /home/user/build && su user -c 'CROSS_COMPILE=armv6-alpine-linux-muslgnueabihf- CC=armv6-alpine-linux-muslgnueabihf-gcc CARCH=armhf abuild -d'
(011696) [16:53:18] Run 'pmbootstrap log' for details.
(011696) [16:53:18] Traceback (most recent call last):
  File "/home/pablo/src/pmbootstrap/pmb/helpers/run.py", line 39, in core
    stderr=args.logfd)
  File "/usr/lib/python3.5/subprocess.py", line 581, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['sudo', '/bin/sh', '-c', 'unset $(env | cut -d= -f1); CHARSET=UTF-8 PATH=/usr/lib/ccache/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin SHELL=/bin/ash HISTFILE=~/.ash_history /usr/sbin/chroot /tmp/pm3/chroot_native sh -c \'cd /home/user/build;su user -c \'"\'"\'CROSS_COMPILE=armv6-alpine-linux-muslgnueabihf- CC=armv6-alpine-linux-muslgnueabihf-gcc CARCH=armhf abuild -d\'"\'"\'\'']' returned non-zero exit status 1

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "./pmbootstrap.py", line 58, in main
    pmb.build.package(args, args.package, args.arch, args.force, False)
  File "/home/pablo/src/pmbootstrap/pmb/build/package.py", line 105, in package
    pmb.chroot.user(args, cmd, suffix, "/home/user/build")
  File "/home/pablo/src/pmbootstrap/pmb/chroot/user.py", line 32, in user
    auto_init, return_stdout, check)
  File "/home/pablo/src/pmbootstrap/pmb/chroot/root.py", line 85, in root
    return_stdout, check)
  File "/home/pablo/src/pmbootstrap/pmb/helpers/run.py", line 52, in core
    raise RuntimeError("Command failed: " + log_message) from exc
RuntimeError: Command failed: (native) % cd /home/user/build && su user -c 'CROSS_COMPILE=armv6-alpine-linux-muslgnueabihf- CC=armv6-alpine-linux-muslgnueabihf-gcc CARCH=armhf abuild -d'