fixed space after shell in the build

host discovery command function

pentest_tool/target/.rustc_info.json

@@ -1 +1 @@
-{"rustc_fingerprint":1677299611697399421,"outputs":{"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.79.0 (129f3b996 2024-06-10)\nbinary: rustc\ncommit-hash: 129f3b9964af4d4a709d1383930ade12dfe7c081\ncommit-date: 2024-06-10\nhost: x86_64-unknown-linux-gnu\nrelease: 1.79.0\nLLVM version: 18.1.7\n","stderr":""},"15729799797837862367":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/home/pyro/.rustup/toolchains/stable-x86_64-unknown-linux-gnu\noff\npacked\nunpacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n","stderr":""}},"successes":{}}
+{"rustc_fingerprint":12601758400278646363,"outputs":{"4614504638168534921":{"success":true,"status":"","code":0,"stdout":"rustc 1.79.0 (129f3b996 2024-06-10)\nbinary: rustc\ncommit-hash: 129f3b9964af4d4a709d1383930ade12dfe7c081\ncommit-date: 2024-06-10\nhost: x86_64-unknown-linux-gnu\nrelease: 1.79.0\nLLVM version: 18.1.7\n","stderr":""},"15729799797837862367":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/home/pyro/.rustup/toolchains/stable-x86_64-unknown-linux-gnu\noff\npacked\nunpacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n","stderr":""}},"successes":{}}