ld.configure-args := ['--build=riscv64-redhat-linux-gnu', '--host=r ...
warning: localstatedir will be ignored
warning: infodir will be ignored
configure: 
configure: writing `config.toml` in current directory
configure: 
configure: run `python /builddir/build/BUILD/rustc-1.53.0-src/x.py --help`
configure: 
+ python3 ./x.py build -j 4 --stage 2
   Compiling proc-macro2 v1.0.24
   Compiling unicode-xid v0.2.1
   Compiling syn v1.0.65
   Compiling version_check v0.9.1
   Compiling autocfg v1.0.0
   Compiling memchr v2.3.3
   Compiling libc v0.2.93
   Compiling serde_derive v1.0.125
   Compiling lazy_static v1.4.0
   Compiling log v0.4.11
   Compiling serde v1.0.125
   Compiling cfg-if v0.1.10
   Compiling ryu v1.0.5
   Compiling regex-syntax v0.6.22
   Compiling serde_json v1.0.59
   Compiling same-file v1.0.6
   Compiling cfg-if v1.0.0
   Compiling fnv v1.0.7
   Compiling itoa v0.4.6
   Compiling unicode-width v0.1.8
   Compiling bootstrap v0.0.0 (/builddir/build/BUILD/rustc-1.53.0-src/src/bootstrap)
   Compiling cc v1.0.60
   Compiling build_helper v0.1.0 (/builddir/build/BUILD/rustc-1.53.0-src/src/build_helper)
   Compiling opener v0.4.1
   Compiling proc-macro-error-attr v1.0.4
   Compiling proc-macro-error v1.0.4
   Compiling thread_local v1.0.1
   Compiling num-traits v0.2.12
   Compiling crossbeam-utils v0.8.3
   Compiling walkdir v2.3.1
   Compiling getopts v0.2.21
   Compiling cmake v0.1.44
   Compiling quote v1.0.7
   Compiling aho-corasick v0.7.13
   Compiling bstr v0.2.13
   Compiling time v0.1.43
   Compiling num_cpus v1.13.0
   Compiling filetime v0.2.12
   Compiling regex v1.4.3
   Compiling globset v0.4.5
   Compiling ignore v0.4.17
   Compiling merge_derive v0.1.0
   Compiling merge v0.1.0
   Compiling toml v0.5.7
    Finished dev [unoptimized + debuginfo] target(s) in 9m 36s
Building stage0 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 0:09:44
error: Bad exit status from /var/tmp/rpm-tmp.eMxy2v (%build)
    Bad exit status from /var/tmp/rpm-tmp.eMxy2v (%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 c8480d8ed543439d8a5914da65e6a6f6 -D /var/lib/mock/f33-build-631831-67644/root -a -u mockbuild --capability=cap_ipc_lock --bind=/tmp/mock-resolv.s9zdjmh1:/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