update elements and fix some bugs

lib/src/prism/components/prism-rust.min.js

-Prism.languages.rust={comment:[{pattern:/(^|[^\\])\/\*[\w\W]*?\*\//,lookbehind:!0},{pattern:/(^|[^\\:])\/\/.*?(\r?\n|$)/,lookbehind:!0}],string:[/b?r(#*)"(?:\\?.)*?"\1/,/b?("|')(?:\\?.)*?\1/],keyword:/\b(?:abstract|alignof|as|be|box|break|const|continue|crate|do|else|enum|extern|false|final|fn|for|if|impl|in|let|loop|match|mod|move|mut|offsetof|once|override|priv|pub|pure|ref|return|sizeof|static|self|struct|super|true|trait|type|typeof|unsafe|unsized|use|virtual|where|while|yield)\b/,attribute:{pattern:/#!?\[.+?\]/,alias:"attr-name"},"function":[/[a-z0-9_]+(?=\s*\()/i,/[a-z0-9_]+!(?=\s*\(|\[)/i],"macro-rules":{pattern:/[a-z0-9_]+!/i,alias:"function"},number:/\b-?(?:0x[\dA-Fa-f](?:_?[\dA-Fa-f])*|0o[0-7](?:_?[0-7])*|0b[01](?:_?[01])*|(\d(_?\d)*)?\.?\d(_?\d)*([Ee][+-]?\d+)?)(?:_?(?:[iu](?:8|16|32)?|f32|f64))?\b/,"closure-params":{pattern:/\|[^|]*\|(?=\s*[{-])/,inside:{punctuation:/[\|:,]/,operator:/[&*]/}},punctuation:/[{}[\];(),.:]|->/,operator:/[-+]{1,2}|!=?|<=?|>=?|={1,3}|&&?|\|\|?|\*|\/|\^|%|<<|>>@/};
+Prism.languages.rust={comment:[{pattern:/(^|[^\\])\/\*[\w\W]*?\*\//,lookbehind:!0},{pattern:/(^|[^\\:])\/\/.*/,lookbehind:!0}],string:[/b?r(#*)"(?:\\?.)*?"\1/,/b?("|')(?:\\?.)*?\1/],keyword:/\b(?:abstract|alignof|as|be|box|break|const|continue|crate|do|else|enum|extern|false|final|fn|for|if|impl|in|let|loop|match|mod|move|mut|offsetof|once|override|priv|pub|pure|ref|return|sizeof|static|self|struct|super|true|trait|type|typeof|unsafe|unsized|use|virtual|where|while|yield)\b/,attribute:{pattern:/#!?\[.+?\]/,alias:"attr-name"},"function":[/[a-z0-9_]+(?=\s*\()/i,/[a-z0-9_]+!(?=\s*\(|\[)/i],"macro-rules":{pattern:/[a-z0-9_]+!/i,alias:"function"},number:/\b-?(?:0x[\dA-Fa-f](?:_?[\dA-Fa-f])*|0o[0-7](?:_?[0-7])*|0b[01](?:_?[01])*|(\d(_?\d)*)?\.?\d(_?\d)*([Ee][+-]?\d+)?)(?:_?(?:[iu](?:8|16|32|64)?|f32|f64))?\b/,"closure-params":{pattern:/\|[^|]*\|(?=\s*[{-])/,inside:{punctuation:/[\|:,]/,operator:/[&*]/}},punctuation:/[{}[\];(),:]|\.+|->/,operator:/[-+*\/%!^=]=?|@|&[&=]?|\|[|=]?|<<?=?|>>?=?/};