Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
libLLVM-8svn.so
libLLVM-8svn.so(LLVM_8)
libarena-7289815df15e2123.so
libfmt_macros-144a9e4bea3fc8f0.so
libgraphviz-df9e0b57d4213a88.so
libproc_macro-e6b47f3ce961cc35.so
librustc-19acf25d3191bc69.so
librustc_allocator-27f7aecef6d02666.so
librustc_borrowck-07a4065e8121d0ce.so
librustc_codegen_llvm-emscripten.so
librustc_codegen_llvm-llvm.so
librustc_codegen_utils-c524b7d305c94c93.so
librustc_cratesio_shim-5816db6dacaa8c95.so
librustc_data_structures-fbcf27ace81afeb7.so
librustc_driver-aeb3d8f3695df1ce.so
librustc_errors-876bae851d7b1977.so
librustc_fs_util-4c9d766c9528f143.so
librustc_incremental-c69597da5407e65a.so
librustc_lint-dc95d5465378d14d.so
librustc_metadata-f93d30f7838181e5.so
librustc_metadata_utils-dbe075f0ccd34a8d.so
librustc_mir-ff33e63b1cc6956b.so
librustc_passes-f92a8b8cad4ecd55.so
librustc_platform_intrinsics-a97c7aa79ae64bd7.so
librustc_plugin-9431a64c19baa528.so
librustc_privacy-b8bff47f3aab1549.so
librustc_resolve-1b08f8ecaa75127d.so
librustc_save_analysis-acf1c903e3058ecb.so
librustc_target-51563ee5d9582584.so
librustc_traits-b0af1364b8c043c7.so
librustc_typeck-bf754b77f205085e.so
libserialize-d8730de7d7b0ec73.so
libstd-41808e2a126360d7.so
libsyntax-911f591f562a6f2b.so
libsyntax_ext-4afbfb61ff79671f.so
libsyntax_pos-7d4bb63128056c0e.so
libterm-e7e1fc97dc3ad680.so
libtest-211da2984ffe0afa.so
rustc-bootstrap
rustc-bootstrap-1_30
rustc-bootstrap-1_30(x86-32)

Requires :

libpthread.so.0(GLIBC_2.2)
libpthread.so.0
librustc_mir-ff33e63b1cc6956b.so
libdl.so.2
rtld(GNU_HASH)
librustc_resolve-1b08f8ecaa75127d.so
libm.so.6
librt.so.1
libtest-211da2984ffe0afa.so
libgcc_s.so.1
libstdc++.so.6(GLIBCXX_3.4.18)
libc.so.6(GLIBC_2.1.3)
librustc_driver-aeb3d8f3695df1ce.so
libstdc++.so.6(CXXABI_1.3.5)
libstdc++.so.6(CXXABI_1.3.3)
librustc_fs_util-4c9d766c9528f143.so
librustc_platform_intrinsics-a97c7aa79ae64bd7.so
libstdc++.so.6(GLIBCXX_3.4.19)
librustc_allocator-27f7aecef6d02666.so
libLLVM-8svn.so(LLVM_8)
libsyntax_pos-7d4bb63128056c0e.so
librustc_target-51563ee5d9582584.so
libc.so.6(GLIBC_2.2)
libpthread.so.0(GLIBC_2.3.3)
/bin/sh
libpthread.so.0(GLIBC_2.0)
libterm-e7e1fc97dc3ad680.so
libstdc++.so.6(GLIBCXX_3.4.17)
librustc_traits-b0af1364b8c043c7.so
rpmlib(CompressedFileNames) <= 3.0.4-1
libstdc++.so.6
librustc_metadata_utils-dbe075f0ccd34a8d.so
librustc_borrowck-07a4065e8121d0ce.so
rpmlib(PayloadIsLzma) <= 4.4.6-1
libstdc++.so.6(GLIBCXX_3.4.11)
libstd-41808e2a126360d7.so
libarena-7289815df15e2123.so
libc.so.6
libstdc++.so.6(GLIBCXX_3.4.14)
libc.so.6(GLIBC_2.3.4)
libstdc++.so.6(GLIBCXX_3.4)
librustc_typeck-bf754b77f205085e.so
libsyntax-911f591f562a6f2b.so
libfmt_macros-144a9e4bea3fc8f0.so
libdl.so.2(GLIBC_2.1)
libgcc_s.so.1(GLIBC_2.0)
libpthread.so.0(GLIBC_2.3.2)
libstdc++.so.6(GLIBCXX_3.4.15)
libstdc++.so.6(GLIBCXX_3.4.9)
libc.so.6(GLIBC_2.4)
librt.so.1(GLIBC_2.2)
librustc_plugin-9431a64c19baa528.so
libm.so.6(GLIBC_2.2)
librustc_privacy-b8bff47f3aab1549.so
libc.so.6(GLIBC_2.3.3)
libc.so.6(GLIBC_2.2.4)
libproc_macro-e6b47f3ce961cc35.so
librustc_incremental-c69597da5407e65a.so
libpthread.so.0(GLIBC_2.1)
librustc_codegen_utils-c524b7d305c94c93.so
librustc_save_analysis-acf1c903e3058ecb.so
ld-linux.so.2
librustc_data_structures-fbcf27ace81afeb7.so
libc.so.6(GLIBC_2.0)
libc.so.6(GLIBC_2.1.2)
libdl.so.2(GLIBC_2.0)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libsyntax_ext-4afbfb61ff79671f.so
libLLVM-8svn.so
libm.so.6(GLIBC_2.0)
libc.so.6(GLIBC_2.3)
librustc_passes-f92a8b8cad4ecd55.so
libserialize-d8730de7d7b0ec73.so
libc.so.6(GLIBC_2.3.2)
libgraphviz-df9e0b57d4213a88.so
librustc_cratesio_shim-5816db6dacaa8c95.so
ld-linux.so.2(GLIBC_2.3)
librustc-19acf25d3191bc69.so
libc.so.6(GLIBC_2.1)
libpthread.so.0(GLIBC_2.2.3)
librustc_errors-876bae851d7b1977.so
librustc_metadata-f93d30f7838181e5.so
libm.so.6(GLIBC_2.1)
libgcc_s.so.1(GCC_3.0)
librustc_lint-dc95d5465378d14d.so
libgcc_s.so.1(GCC_4.2.0)
libstdc++.so.6(CXXABI_1.3)
libgcc_s.so.1(GCC_3.3)
/sbin/ldconfig

Content of RPM :
/usr/bin/rust-gdb
/usr/bin/rust-lldb
/usr/bin/rustc
/usr/bin/rustdoc
/usr/lib/libarena-7289815df15e2123.so
/usr/lib/libfmt_macros-144a9e4bea3fc8f0.so
/usr/lib/libgraphviz-df9e0b57d4213a88.so
/usr/lib/libproc_macro-e6b47f3ce961cc35.so
/usr/lib/librustc-19acf25d3191bc69.so
/usr/lib/librustc_allocator-27f7aecef6d02666.so
/usr/lib/librustc_borrowck-07a4065e8121d0ce.so
/usr/lib/librustc_codegen_utils-c524b7d305c94c93.so
/usr/lib/librustc_cratesio_shim-5816db6dacaa8c95.so
/usr/lib/librustc_data_structures-fbcf27ace81afeb7.so
/usr/lib/librustc_driver-aeb3d8f3695df1ce.so
/usr/lib/librustc_errors-876bae851d7b1977.so
/usr/lib/librustc_fs_util-4c9d766c9528f143.so
/usr/lib/librustc_incremental-c69597da5407e65a.so
/usr/lib/librustc_lint-dc95d5465378d14d.so
/usr/lib/librustc_metadata-f93d30f7838181e5.so
/usr/lib/librustc_metadata_utils-dbe075f0ccd34a8d.so
/usr/lib/librustc_mir-ff33e63b1cc6956b.so
/usr/lib/librustc_passes-f92a8b8cad4ecd55.so
/usr/lib/librustc_platform_intrinsics-a97c7aa79ae64bd7.so
/usr/lib/librustc_plugin-9431a64c19baa528.so
/usr/lib/librustc_privacy-b8bff47f3aab1549.so
/usr/lib/librustc_resolve-1b08f8ecaa75127d.so
/usr/lib/librustc_save_analysis-acf1c903e3058ecb.so
/usr/lib/librustc_target-51563ee5d9582584.so
/usr/lib/librustc_traits-b0af1364b8c043c7.so
There is 25 files more in these RPM.