afl.rs: Unable to build 0.11.1: warning _FORTIFY_SOURCE

Full log:

[nix-shell:/x/code/naga/fuzz]$ cargo install afl
    Updating crates.io index
  Downloaded afl v0.11.1
  Downloaded 1 crate (3.6 MB) in 0.76s
  Installing afl v0.11.1
   Compiling libc v0.2.112
   Compiling semver v1.0.4
   Compiling unicode-width v0.1.9
   Compiling strsim v0.8.0
   Compiling ansi_term v0.12.1
   Compiling vec_map v0.8.2
   Compiling bitflags v1.3.2
   Compiling cc v1.0.72
   Compiling textwrap v0.11.0
   Compiling rustc_version v0.4.0
   Compiling dirs-sys v0.3.6
   Compiling atty v0.2.14
   Compiling clap v2.34.0
   Compiling dirs v3.0.2
   Compiling xdg v2.4.0
   Compiling afl v0.11.1
error: failed to run custom build command for `afl v0.11.1`

Caused by:
  process didn't exit successfully: `/run/user/1000/cargo-install0HIprX/release/build/afl-e7a898d3022feeeb/build-script-build` (exit status: 101)
  --- stdout
  [*] Compiling afl++ for OS Linux on ARCH x86_64
  Compiling DEBUG version of binaries
  rm -f afl-fuzz afl-showmap afl-tmin afl-gotcpu afl-analyze libradamsa.so afl-fuzz-document afl-as as afl-g++ afl-clang afl-clang++ *.o src/*.o *~ a.out core core.[1-9][0-9]* *.stackdump .test .test1 .test2 test-instr .test-instr0 .test-instr1 afl-qemu-trace afl-gcc-fast afl-gcc-pass.so afl-g++-fast ld *.so *.8 test/unittests/*.o test/unittests/unit_maybe_alloc test/unittests/preallocable .afl-* afl-gcc afl-g++ afl-clang afl-clang++ test/unittests/unit_hash test/unittests/unit_rand
  make -f GNUmakefile.llvm clean
  make[1]: Entering directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus'
  [+] llvm_mode detected llvm 10+, enabling neverZero implementation and c++14
  [+] llvm_mode detected llvm 11+, enabling afl-lto LTO implementation
  rm -f *.o *.so *~ a.out core core.[1-9][0-9]* .test2 test-instr .test-instr0 .test-instr1 *.dwo
  rm -f ./afl-cc ./afl-compiler-rt.o ./afl-compiler-rt-32.o ./afl-compiler-rt-64.o  ./afl-llvm-pass.so ./SanitizerCoveragePCGUARD.so ./split-compares-pass.so ./split-switches-pass.so ./cmplog-routines-pass.so ./cmplog-instructions-pass.so ./cmplog-switches-pass.so ./afl-llvm-dict2file.so ./compare-transform-pass.so ./afl-ld-lto ./afl-llvm-lto-instrumentlist.so ./afl-llvm-lto-instrumentation.so ./SanitizerCoverageLTO.so afl-common.o ./afl-c++ ./afl-lto ./afl-lto++ ./afl-clang-lto* ./afl-clang-fast* ./afl-clang*.8 ./ld ./afl-ld ./afl-llvm-rt*.o instrumentation/*.o
  make[1]: Leaving directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus'
  make -f GNUmakefile.gcc_plugin clean
  make[1]: Entering directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus'
  rm -f *.o *.so *~ a.out core core.[1-9][0-9]* test-instr .test-instr0 .test-instr1 .test2
  rm -f ./afl-gcc-pass.so ./afl-compiler-rt.o ./afl-compiler-rt-32.o ./afl-compiler-rt-64.o afl-common.o ./afl-g++-fast ./afl-g*-fast.8 instrumentation/*.o
  make[1]: Leaving directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus'
  make -C utils/libdislocator clean
  make[1]: Entering directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/utils/libdislocator'
  rm -f *.o *.so *~ a.out core core.[1-9][0-9]*
  rm -f ../../libdislocator.so
  make[1]: Leaving directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/utils/libdislocator'
  make -C utils/libtokencap clean
  make[1]: Entering directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/utils/libtokencap'
  rm -f *.o *.so *~ a.out core core.[1-9][0-9]*
  rm -fv ../../libtokencap.so
  make[1]: Leaving directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/utils/libtokencap'
  make -C utils/aflpp_driver clean
  make[1]: Entering directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/utils/aflpp_driver'
  rm -f *.o libAFLDriver*.a libAFLQemuDriver.a aflpp_qemu_driver_hook.so *~ core aflpp_driver_test
  make[1]: Leaving directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/utils/aflpp_driver'
  make -C utils/afl_network_proxy clean
  make[1]: Entering directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/utils/afl_network_proxy'
  rm -f afl-network-client afl-network-server *~ core
  make[1]: Leaving directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/utils/afl_network_proxy'
  make -C utils/socket_fuzzing clean
  make[1]: Entering directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/utils/socket_fuzzing'
  rm -f socketfuzz32.so socketfuzz64.so
  make[1]: Leaving directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/utils/socket_fuzzing'
  make -C utils/argv_fuzzing clean
  make[1]: Entering directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/utils/argv_fuzzing'
  rm -f argvfuzz32.so argvfuzz64.so
  make[1]: Leaving directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/utils/argv_fuzzing'
  make -C qemu_mode/unsigaction clean
  make[1]: Entering directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/qemu_mode/unsigaction'
  rm -f unsigaction.so
  make[1]: Leaving directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/qemu_mode/unsigaction'
  make -C qemu_mode/libcompcov clean
  make[1]: Entering directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/qemu_mode/libcompcov'
  rm -f *.o *.so *~ a.out core core.[1-9][0-9]*
  rm -f ../../libcompcov.so compcovtest
  make[1]: Leaving directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/qemu_mode/libcompcov'
  make -C qemu_mode/libqasan clean
  make[1]: Entering directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/qemu_mode/libqasan'
  rm -f *.o *.so *~ a.out core core.[1-9][0-9]*
  rm -f ../../libqasan.so
  make[1]: Leaving directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/qemu_mode/libqasan'
  make -C frida_mode clean
  make[1]: Entering directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/frida_mode'
  rm -rf /home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/frida_mode/build/
  make[1]: Leaving directory '/home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/AFLplusplus/frida_mode'
  rm -rf qemu_mode/qemuafl
  rm -rf unicorn_mode/unicornafl
  [!] Note: skipping x86 compilation checks (AFL_NO_X86 set).
  [-] shmat seems not to be working, switching to mmap implementation
  [-] You seem to need to install the package python3-dev, python2-dev or python-dev (and perhaps python[23]-apt), but it is optional so we continue
  [+] Everything seems to be working, ready to compile.
  gcc -ggdb3 -O0 -Wall -Wextra -Werror -g -Wno-pointer-sign -Wno-variadic-macros -Wall -Wextra -Wpointer-arith -I include/ -DAFL_PATH=\"/lib/afl\" -DBIN_PATH=\"/bin\" -DDOC_PATH=\"/share/doc/afl\" -DUSEMMAP=1 -flto -c src/afl-common.c -o src/afl-common.o

  --- stderr
  GNUmakefile.llvm:68: you are using an in-development llvm version - this might break llvm_mode!
  GNUmakefile.llvm:120: we have trouble finding clang - llvm-config is not helping us
  GNUmakefile.llvm:135: we have trouble finding clang++ - llvm-config is not helping us
  GNUmakefile.llvm:223: clang option -flto is not working - maybe LLVMgold.so not found - cannot enable LTO mode
  In file included from /nix/store/alhk4bwig4mh1qqw0h7y6gkxa64kma84-glibc-2.33-56-dev/include/bits/libc-header-start.h:33,
                   from /nix/store/alhk4bwig4mh1qqw0h7y6gkxa64kma84-glibc-2.33-56-dev/include/stdlib.h:25,
                   from src/afl-common.c:26:
  /nix/store/alhk4bwig4mh1qqw0h7y6gkxa64kma84-glibc-2.33-56-dev/include/features.h:397:4: error: #warning _FORTIFY_SOURCE requires compiling with optimization (-O) [-Werror=cpp]
    397 | #  warning _FORTIFY_SOURCE requires compiling with optimization (-O)
        |    ^~~~~~~
  cc1: all warnings being treated as errors
  make: *** [GNUmakefile:423: src/afl-common.o] Error 1
  thread 'main' panicked at 'assertion failed: status.success()', /home/kvark/.cargo/registry/src/github.com-1ecc6299db9ec823/afl-0.11.1/build.rs:32:5
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
warning: build failed, waiting for other jobs to finish...
error: failed to compile `afl v0.11.1`, intermediate artifacts can be found at `/run/user/1000/cargo-install0HIprX`