Compiling rustc_trait_selection v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_trait_selection)
   Compiling rustc_codegen_ssa v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_codegen_ssa)
   Compiling rustc_resolve v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_resolve)
   Compiling rustc_ty_utils v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_ty_utils)
   Compiling rustc_lint v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_lint)
   Compiling rustc_mir_build v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_mir_build)
   Compiling rustc_passes v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_passes)
   Compiling rustc_mir v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_mir)
   Compiling rustc_traits v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_traits)
   Compiling rustc_codegen_llvm v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_codegen_llvm)
   Compiling rustc_typeck v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_typeck)
   Compiling rustc_plugin_impl v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_plugin_impl)
   Compiling rustc_privacy v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_privacy)
   Compiling rustc_interface v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_interface)
   Compiling rustc_driver v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc_driver)
   Compiling rustc-main v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/compiler/rustc)
    Finished release [optimized] target(s) in 152m 04s
Copying stage0 rustc from stage0 (riscv64gc-unknown-linux-gnu -> riscv64gc-unknown-linux-gnu / riscv64gc-unknown-linux-gnu)
Assembling stage1 compiler (riscv64gc-unknown-linux-gnu)
Building stage1 std artifacts (riscv64gc-unknown-linux-gnu -> riscv64gc-unknown-linux-gnu)
   Compiling compiler_builtins v0.1.39
   Compiling core v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/library/core)
   Compiling libc v0.2.93
command did not execute successfully: "/usr/bin/cargo" "build" "--target" "riscv64gc-unknown-linux-gnu" "-Zbinary-dep-depinfo" "-j" "4" "--release" "--frozen" "--features" "panic-unwind backtrace" "--manifest-path" "/builddir/build/BUILD/rustc-1.53.0-src/library/test/Cargo.toml" "--message-format" "json-render-diagnostics"
expected success, got: signal: 11 (core dumped)
failed to run: /builddir/build/BUILD/rustc-1.53.0-src/build/bootstrap/debug/bootstrap build -j 4 --stage 2
Build completed unsuccessfully in 2:55:57
error: Bad exit status from /var/tmp/rpm-tmp.MpJomt (%build)
    Bad exit status from /var/tmp/rpm-tmp.MpJomt (%build)
RPM build errors:
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.9/site-packages/mockbuild/trace_decorator.py", line 93, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.9/site-packages/mockbuild/util.py", line 600, in do_with_status
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # /usr/bin/systemd-nspawn -q -M 723883e6a8064691aa29a33e13a6abc5 -D /var/lib/mock/f33-build-631837-67646/root -a -u mockbuild --capability=cap_ipc_lock --bind=/tmp/mock-resolv.nhvoc0dk:/etc/resolv.conf --bind=/dev/btrfs-control --bind=/dev/loop-control --bind=/dev/loop0 --bind=/dev/loop1 --bind=/dev/loop2 --bind=/dev/loop3 --bind=/dev/loop4 --bind=/dev/loop5 --bind=/dev/loop6 --bind=/dev/loop7 --bind=/dev/loop8 --bind=/dev/loop9 --bind=/dev/loop10 --bind=/dev/loop11 --console=pipe --setenv=TERM=vt100 --setenv=SHELL=/bin/bash --setenv=HOME=/builddir --setenv=HOSTNAME=mock --setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin --setenv=PROMPT_COMMAND=printf "\033]0;<mock-chroot>\007" --setenv=PS1=<mock-chroot> \s-\v\$  --setenv=LANG=C.UTF-8 --resolv-conf=off bash --login -c /usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/rust.spec