$ git clone https://github.com/spack/spack
$ . spack/share/spack/setup-env.sh
$ spack --debug --stacktrace spec zlib

lib/spack/spack/config.py:1081 ==> [2025-02-10-19:02:29.889161] Reading config from file /home/mlcurry/spack/etc/spack/defaults/config.yaml
lib/spack/spack/cmd/__init__.py:125 ==> [2025-02-10-19:02:29.921879] Imported spec from built-in commands
lib/spack/spack/cmd/__init__.py:125 ==> [2025-02-10-19:02:29.922604] Imported spec from built-in commands
lib/spack/spack/database.py:618 ==> [2025-02-10-19:02:29.923905] DATABASE LOCK TIMEOUT: 60s
lib/spack/spack/store.py:182 ==> [2025-02-10-19:02:29.924083] PACKAGE LOCK TIMEOUT: No timeout
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:02:29.924471] Reading config from file /home/mlcurry/spack/etc/spack/defaults/concretizer.yaml
lib/spack/spack/database.py:618 ==> [2025-02-10-19:02:29.970946] DATABASE LOCK TIMEOUT: 60s
lib/spack/spack/store.py:182 ==> [2025-02-10-19:02:29.971134] PACKAGE LOCK TIMEOUT: No timeout
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:02:29.971466] Reading config from file /home/mlcurry/spack/etc/spack/defaults/packages.yaml
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:02:30.001585] Reading config from file /home/mlcurry/spack/etc/spack/defaults/repos.yaml
lib/spack/spack/database.py:618 ==> [2025-02-10-19:03:08.278395] DATABASE LOCK TIMEOUT: 60s
lib/spack/spack/store.py:182 ==> [2025-02-10-19:03:08.278627] PACKAGE LOCK TIMEOUT: No timeout
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:08.280119] Reading config from file /home/mlcurry/spack/etc/spack/defaults/mirrors.yaml
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:08.294076] Reading config from file /home/mlcurry/spack/etc/spack/defaults/bootstrap.yaml
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:08.300001] Reading config from file /home/mlcurry/spack/etc/spack/defaults/repos.yaml
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:08.301784] Reading config from file /home/mlcurry/spack/etc/spack/defaults/packages.yaml
lib/spack/spack/bootstrap/config.py:125 ==> [2025-02-10-19:03:08.333403] [BOOTSTRAP CONFIG SCOPE] name=_builtin
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:08.333935] Reading config from file /home/mlcurry/spack/etc/spack/defaults/bootstrap.yaml
lib/spack/spack/bootstrap/config.py:138 ==> [2025-02-10-19:03:08.338998] [BOOTSTRAP CONFIG SCOPE] name=defaults, path=/home/mlcurry/spack/etc/spack/defaults
lib/spack/spack/bootstrap/config.py:139 ==> [2025-02-10-19:03:08.339168] [BOOTSTRAP CONFIG SCOPE] name=defaults/linux, path=/home/mlcurry/spack/etc/spack/defaults/linux
lib/spack/spack/bootstrap/config.py:138 ==> [2025-02-10-19:03:08.339342] [BOOTSTRAP CONFIG SCOPE] name=bootstrap, path=/home/mlcurry/.spack/bootstrap/config
lib/spack/spack/bootstrap/config.py:139 ==> [2025-02-10-19:03:08.339496] [BOOTSTRAP CONFIG SCOPE] name=bootstrap/linux, path=/home/mlcurry/.spack/bootstrap/config/linux
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:08.340559] Reading config from file /home/mlcurry/spack/etc/spack/defaults/config.yaml
lib/spack/spack/database.py:618 ==> [2025-02-10-19:03:08.357310] DATABASE LOCK TIMEOUT: 60s
lib/spack/spack/store.py:182 ==> [2025-02-10-19:03:08.357522] PACKAGE LOCK TIMEOUT: No timeout
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:08.357992] Reading config from file /home/mlcurry/spack/etc/spack/defaults/packages.yaml
lib/spack/spack/bootstrap/_common.py:249 ==> [2025-02-10-19:03:08.575383] [BOOTSTRAP ROOT SPEC] clingo-bootstrap@spack+python %gcc platform=linux target=x86_64
lib/spack/spack/bootstrap/core.py:354 ==> [2025-02-10-19:03:08.575613] [BOOTSTRAP MODULE clingo] Try importing from Python
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:08.576118] Reading config from file /home/mlcurry/spack/etc/spack/defaults/bootstrap.yaml
lib/spack/spack/bootstrap/core.py:238 ==> [2025-02-10-19:03:08.587358] Bootstrapping clingo from pre-built binaries
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:08.588297] Reading config from file /home/mlcurry/spack/etc/spack/defaults/mirrors.yaml
lib/spack/spack/util/web.py:72 ==> [2025-02-10-19:03:08.593009] certs: relative path not allowed: $SSL_CERT_FILE
lib/spack/spack/database.py:618 ==> [2025-02-10-19:03:10.062172] DATABASE LOCK TIMEOUT: Nones
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:10.112977] Reading config from file /home/mlcurry/spack/etc/spack/defaults/mirrors.yaml
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:10.115407] Reading config from file /home/mlcurry/spack/etc/spack/defaults/config.yaml
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:10.131971] Reading config from file /home/mlcurry/.spack/bootstrap/config/linux/config.yaml
lib/spack/spack/fetch_strategy.py:541 ==> [2025-02-10-19:03:11.280682] Fetching https://ghcr.io/v2/spack/bootstrap-buildcache-v1/blobs/sha256:82ec278bef26c42303a2c2c888612c0d37babef615bc9a0003530e0b8b4d3d2c
lib/spack/spack/fetch_strategy.py:541 ==> [2025-02-10-19:03:11.791887] Fetching https://ghcr.io/v2/spack/bootstrap-buildcache-v1/blobs/sha256:0c5831932608e7b4084fc6ce60e2b67b77dab76e5515303a049d4d30cd772321
lib/spack/spack/binary_distribution.py:2555 ==> [2025-02-10-19:03:12.284607] Verified SHA256 checksum of the build cache
lib/spack/spack/binary_distribution.py:2559 ==> [2025-02-10-19:03:12.284949] Installing "clingo-bootstrap@=spack%gcc@=10.2.1~docs+ipo+optimized+python+static_libstdcpp build_system=cmake build_type=Release generator=make patches=bebb819,ec99431 arch=linux-centos7-x86_64" from a buildcache
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:12.285837] Reading config from file /home/mlcurry/spack/etc/spack/defaults/packages.yaml
lib/spack/spack/main.py:510 ==> [2025-02-10-19:03:12.367508] Warning: The default behavior of tarfile extraction has been changed to disallow common exploits (including CVE-2007-4559). By default, absolute/parent paths are disallowed and some mode bits are cleared. See https://access.redhat.com/articles/7004769 for more details.
lib/spack/spack/binary_distribution.py:2244 ==> [2025-02-10-19:03:12.431665] Relocating: /root/spack/opt/spack/bin/sbang => /home/mlcurry/.spack/bootstrap/store/bin/sbang.
lib/spack/spack/binary_distribution.py:2244 ==> [2025-02-10-19:03:12.431844] Relocating: /root/spack/opt/spack/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_place/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq => /home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq.
lib/spack/spack/binary_distribution.py:2244 ==> [2025-02-10-19:03:12.431993] Relocating: /root/spack/opt/spack/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_place/linux-centos7-x86_64/gcc-10.2.1/gcc-runtime-10.2.1-7rv2b76tgxqmkwtmngiamwac632cjjba => /home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/gcc-runtime-10.2.1-7rv2b76tgxqmkwtmngiamwac632cjjba.
lib/spack/spack/binary_distribution.py:2244 ==> [2025-02-10-19:03:12.432136] Relocating: /root/spack/opt/spack/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_place/linux-centos7-x86_64/gcc-10.2.1/python-venv-1.0-ohen5yvu7x37lpuuubu55mnrbfzitljj => /home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/python-venv-1.0-ohen5yvu7x37lpuuubu55mnrbfzitljj.
lib/spack/spack/binary_distribution.py:2244 ==> [2025-02-10-19:03:12.432277] Relocating: /root/spack/opt/spack/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_placeholder__/__spack_path_place => /home/mlcurry/.spack/bootstrap/store.
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:12.467013] Reading config from file /home/mlcurry/spack/etc/spack/defaults/modules.yaml
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:12.475572] Reading config from file /home/mlcurry/spack/etc/spack/defaults/linux/modules.yaml
lib/spack/spack/hooks/module_file_generation.py:22 ==> [2025-02-10-19:03:12.477375] NO MODULE WRITTEN: list of enabled module files is empty
lib/spack/spack/hooks/drop_redundant_rpaths.py:99 ==> [2025-02-10-19:03:12.481817] Patched rpath in lib/python3.9/site-packages/clingo.cpython-39-x86_64-linux-gnu.so from b'/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq/lib64:/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq/lib:/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq/lib64:/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/gcc-runtime-10.2.1-7rv2b76tgxqmkwtmngiamwac632cjjba/lib:/opt/_internal/cpython-3.9.20/lib:/opt/python/cp39-cp39/lib:/opt/rh/devtoolset-10/root/usr/lib/gcc/x86_64-redhat-linux/10' to b'/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq/lib64:/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq/lib:/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq/lib64'
lib/spack/spack/hooks/drop_redundant_rpaths.py:99 ==> [2025-02-10-19:03:12.482555] Patched rpath in lib64/libclingo.so.4.0 from b'/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq/lib64:/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq/lib:/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq/lib64:/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/gcc-runtime-10.2.1-7rv2b76tgxqmkwtmngiamwac632cjjba/lib:/opt/_internal/cpython-3.9.20/lib:/opt/python/cp39-cp39/lib:/opt/rh/devtoolset-10/root/usr/lib/gcc/x86_64-redhat-linux/10' to b'/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq/lib64:/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq/lib:/home/mlcurry/.spack/bootstrap/store/linux-centos7-x86_64/gcc-10.2.1/clingo-bootstrap-spack-fs2aukvaiwysb3ob4zosvuwnkmfwxyoq/lib64'
lib/spack/spack/bootstrap/_common.py:99 ==> [2025-02-10-19:03:12.502499] [BOOTSTRAP MODULE clingo] The installed spec "clingo-bootstrap@spack%gcc+python arch=linux-None-x86_64 ^python@3.9/fs2aukvaiwysb3ob4zosvuwnkmfwxyoq" provides the "clingo" Python module
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:12.503185] Reading config from file /home/mlcurry/spack/etc/spack/defaults/concretizer.yaml
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:12.683589] Reading config from file /home/mlcurry/spack/etc/spack/defaults/packages.yaml
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:12.713779] Reading config from file /home/mlcurry/.spack/linux/compilers.yaml
lib/spack/spack/config.py:1081 ==> [2025-02-10-19:03:12.720511] Reading config from file /home/mlcurry/spack/etc/spack/defaults/config.yaml
/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1161:3-38: info: atom does not occur in any rule head:
  compiler_name(CompilerID,Compiler)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1267:6-41: info: atom does not occur in any rule head:
  compiler_name(CompilerID,Compiler)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1268:6-43: info: atom does not occur in any rule head:
  compiler_version(CompilerID,Version)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1312:44-67: info: atom does not occur in any rule head:
  compiler_id(CompilerID)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1320:6-45: info: atom does not occur in any rule head:
  compiler_name(CompilerID,CompilerName)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1321:6-51: info: atom does not occur in any rule head:
  compiler_version(CompilerID,CompilerVersion)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1327:6-45: info: atom does not occur in any rule head:
  compiler_name(CompilerID,CompilerName)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1328:6-51: info: atom does not occur in any rule head:
  compiler_version(CompilerID,CompilerVersion)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1367:6-41: info: atom does not occur in any rule head:
  compiler_name(CompilerID,Compiler)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1388:6-41: info: atom does not occur in any rule head:
  compiler_name(CompilerID,Compiler)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1389:6-43: info: atom does not occur in any rule head:
  compiler_version(CompilerID,Version)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1390:6-41: info: atom does not occur in any rule head:
  compiler_os(CompilerID,CompilerOS)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1416:5-40: info: atom does not occur in any rule head:
  compiler_name(CompilerID,Compiler)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1417:5-36: info: atom does not occur in any rule head:
  compiler_version(CompilerID,V)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1418:5-40: info: atom does not occur in any rule head:
  compiler_weight(CompilerID,Weight)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1422:5-40: info: atom does not occur in any rule head:
  compiler_name(CompilerID,Compiler)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1423:5-36: info: atom does not occur in any rule head:
  compiler_version(CompilerID,V)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1424:9-39: info: atom does not occur in any rule head:
  compiler_weight(#X0,#P1)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1443:6-29: info: atom does not occur in any rule head:
  compiler_id(CompilerID)

/home/mlcurry/spack/lib/spack/spack/solver/concretize.lp:1444:6-45: info: atom does not occur in any rule head:
  compiler_name(CompilerID,CompilerName)

lib/spack/spack/main.py:1041 ==> [2025-02-10-19:03:21.591830] SolverError: Spack concretizer internal error. Please submit a bug report and include the command, environment if applicable and the following error message.
    zlib is unsatisfiable
lib/spack/spack/error.py:58 ==> [2025-02-10-19:03:21.592195] Error: Spack concretizer internal error. Please submit a bug report and include the command, environment if applicable and the following error message.
    zlib is unsatisfiable
Traceback (most recent call last):
  File "/home/mlcurry/spack/lib/spack/spack/main.py", line 1038, in main
    return _main(argv)
  File "/home/mlcurry/spack/lib/spack/spack/main.py", line 991, in _main
    return finish_parse_and_run(parser, cmd_name, args, env_format_error)
  File "/home/mlcurry/spack/lib/spack/spack/main.py", line 1021, in finish_parse_and_run
    return _invoke_command(command, parser, args, unknown)
  File "/home/mlcurry/spack/lib/spack/spack/main.py", line 589, in _invoke_command
    return_val = command(parser, args)
  File "/home/mlcurry/spack/lib/spack/spack/cmd/spec.py", line 93, in spec
    concrete_specs = spack.cmd.parse_specs(args.specs, concretize=True)
  File "/home/mlcurry/spack/lib/spack/spack/cmd/__init__.py", line 189, in parse_specs
    return _concretize_spec_pairs(to_concretize, tests=tests)
  File "/home/mlcurry/spack/lib/spack/spack/cmd/__init__.py", line 205, in _concretize_spec_pairs
    return [concrete or spack.concretize.concretize_one(abstract, tests=tests)]
  File "/home/mlcurry/spack/lib/spack/spack/concretize.py", line 217, in concretize_one
    result = Solver().solve([spec], tests=tests, allow_deprecated=allow_deprecated)
  File "/home/mlcurry/spack/lib/spack/spack/solver/asp.py", line 4151, in solve
    result, _, _ = self.solve_with_stats(specs, **kwargs)
  File "/home/mlcurry/spack/lib/spack/spack/solver/asp.py", line 4141, in solve_with_stats
    return self.driver.solve(
  File "/home/mlcurry/spack/lib/spack/spack/solver/asp.py", line 928, in solve
    result.raise_if_unsat()
  File "/home/mlcurry/spack/lib/spack/spack/solver/asp.py", line 468, in raise_if_unsat
    raise SolverError(constraints, conflicts=conflicts)
spack.solver.asp.SolverError: Spack concretizer internal error. Please submit a bug report and include the command, environment if applicable and the following error message.
    zlib is unsatisfiable