[WIP] Update runtime assembly to remove other files and check $RUST_BINARY

[lawliet89]

Fixes #3

• When building, we get the errors:

[10:12:56]	[Step 4/5] rm: cannot remove 'release/.cargo-lock': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libnum-1fa4854b44bb6a54.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libregex_syntax-6602c4e3d91326a4.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libcsv-e70910c4e0b46639.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libthread_id-bcd46c79a620a618.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libchrono-7342810e34d1c30d.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/liblibc-6ec63c5a0e74a074.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libmemchr-c555f740a543880f.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libnum_traits-92bb90166cd1857c.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libbyteorder-e4fc6ea0c49cabcf.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/liblazy_static-7f1b96a3a3eb529d.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libtime-750bfdd52feafcb7.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libutf8_ranges-5c6a6dacba3be7ce.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libnum_integer-52fdddf28cd8e924.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libregex-36c8e259ac5ba542.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libstrsim-5346333e54880be8.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libmd5-cf231219a5a4e0e7.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libaho_corasick-d1dfd931d7cac82f.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libdocopt-664aa2a6d9ccf7ca.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libthread_local-a3c0092e9fb6507d.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libwinapi-0889532d327ff4e2.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/librustc_serialize-6b938435173797f7.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libnum_iter-50df698bc905252c.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libkernel32-df86a08647459244.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/deps/libbuild-493a7b0628804707.rlib': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/memchr-00c607621cc2d5ce/dep-lib-memchr': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/memchr-00c607621cc2d5ce/lib-memchr.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/memchr-00c607621cc2d5ce/lib-memchr': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/libc-41bfbe8e03b8a8d9/dep-lib-libc': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/libc-41bfbe8e03b8a8d9/lib-libc.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/libc-41bfbe8e03b8a8d9/lib-libc': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/chrono-82383009a34f064e/lib-chrono': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/chrono-82383009a34f064e/lib-chrono.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/chrono-82383009a34f064e/dep-lib-chrono': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/regex-syntax-48ca0b541dad3633/lib-regex-syntax.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/regex-syntax-48ca0b541dad3633/lib-regex-syntax': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/regex-syntax-48ca0b541dad3633/dep-lib-regex-syntax': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/csv-909339bb03b6caa2/lib-csv.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/csv-909339bb03b6caa2/lib-csv': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/csv-909339bb03b6caa2/dep-lib-csv': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/thread-id-ef8852e88caafd34/lib-thread-id.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/thread-id-ef8852e88caafd34/dep-lib-thread-id': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/thread-id-ef8852e88caafd34/lib-thread-id': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/aho-corasick-1acf556bb0118ec7/dep-lib-aho_corasick': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/aho-corasick-1acf556bb0118ec7/lib-aho_corasick.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/aho-corasick-1acf556bb0118ec7/lib-aho_corasick': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/num-iter-b4b4812717f94db7/dep-lib-num-iter': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/num-iter-b4b4812717f94db7/lib-num-iter.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/num-iter-b4b4812717f94db7/lib-num-iter': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/thread_local-538d80d3b0c720b8/lib-thread_local.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/thread_local-538d80d3b0c720b8/dep-lib-thread_local': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/thread_local-538d80d3b0c720b8/lib-thread_local': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/num-traits-f6be79185a1e9880/lib-num-traits.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/num-traits-f6be79185a1e9880/dep-lib-num-traits': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/num-traits-f6be79185a1e9880/lib-num-traits': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/docopt-949bb9304d3e121a/lib-docopt.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/docopt-949bb9304d3e121a/lib-docopt': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/docopt-949bb9304d3e121a/dep-lib-docopt': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/rustc-serialize-b451bfd66485ab2a/lib-rustc-serialize.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/rustc-serialize-b451bfd66485ab2a/dep-lib-rustc-serialize': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/rustc-serialize-b451bfd66485ab2a/lib-rustc-serialize': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/winapi-build-cdb03c7a2d525dd2/lib-build.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/winapi-build-cdb03c7a2d525dd2/dep-lib-build': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/winapi-build-cdb03c7a2d525dd2/lib-build': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/time-6fcec1c2e6245503/dep-lib-time': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/time-6fcec1c2e6245503/lib-time.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/time-6fcec1c2e6245503/lib-time': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/lrub-0a239071e8061d53/dep-bin-lrub': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/lrub-0a239071e8061d53/bin-lrub': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/lrub-0a239071e8061d53/bin-lrub.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/md5-7f558193c20f920b/lib-md5.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/md5-7f558193c20f920b/dep-lib-md5': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/md5-7f558193c20f920b/lib-md5': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/num-ae484dacfcd8f52c/lib-num.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/num-ae484dacfcd8f52c/lib-num': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/num-ae484dacfcd8f52c/dep-lib-num': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/strsim-3671b1a1fed674bf/lib-strsim.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/strsim-3671b1a1fed674bf/dep-lib-strsim': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/strsim-3671b1a1fed674bf/lib-strsim': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/kernel32-sys-d6afa5bd3d7cfaef/build-script-build-script-build': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/kernel32-sys-d6afa5bd3d7cfaef/dep-lib-kernel32': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/kernel32-sys-d6afa5bd3d7cfaef/lib-kernel32': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/kernel32-sys-d6afa5bd3d7cfaef/build-script-build-script-build.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/kernel32-sys-d6afa5bd3d7cfaef/build': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/kernel32-sys-d6afa5bd3d7cfaef/dep-build-script-build-script-build': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/kernel32-sys-d6afa5bd3d7cfaef/lib-kernel32.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/kernel32-sys-d6afa5bd3d7cfaef/build.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/winapi-05520e89b7656dc3/dep-lib-winapi': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/winapi-05520e89b7656dc3/lib-winapi.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/winapi-05520e89b7656dc3/lib-winapi': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/num-integer-d1f0980045848f94/dep-lib-num-integer': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/num-integer-d1f0980045848f94/lib-num-integer': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/num-integer-d1f0980045848f94/lib-num-integer.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/lazy_static-bfbef1aae752e636/lib-lazy_static.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/lazy_static-bfbef1aae752e636/lib-lazy_static': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/lazy_static-bfbef1aae752e636/dep-lib-lazy_static': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/utf8-ranges-c0c68d6c77803563/lib-utf8-ranges': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/utf8-ranges-c0c68d6c77803563/lib-utf8-ranges.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/utf8-ranges-c0c68d6c77803563/dep-lib-utf8-ranges': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/regex-6b949f9945bac20b/dep-lib-regex': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/regex-6b949f9945bac20b/lib-regex.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/regex-6b949f9945bac20b/lib-regex': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/byteorder-63f18455acff4763/lib-byteorder.json': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/byteorder-63f18455acff4763/dep-lib-byteorder': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/.fingerprint/byteorder-63f18455acff4763/lib-byteorder': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/build/kernel32-sys-d6afa5bd3d7cfaef/output': Permission denied
[10:12:56]	[Step 4/5] rm: cannot remove 'release/build/kernel32-sys-d6afa5bd3d7cfaef/build-script-build': Permission denied
[10:12:56]	[Step 4/5] error: Execution of post execute step failed
[10:12:56]	[Step 4/5] ERROR: An error occurred: non-zero (13) exit code from lawliet89/rust-s2i:1.14.0
[10:12:56]	[Step 4/5] Process exited with code 1