Found the following hidden files and directories:
  src/.cargo/.global-cache
  src/.cargo/.package-cache
  src/.cargo/.package-cache-mutate
  src/rust/target/release/.cargo-lock
  src/vendor/aho-corasick/.cargo-checksum.json
  src/vendor/base64/.cargo-checksum.json
  src/vendor/bitflags/.cargo-checksum.json
  src/vendor/bumpalo/.cargo-checksum.json
  src/vendor/cc/.cargo-checksum.json
  src/vendor/cfg-if/.cargo-checksum.json
  src/vendor/console/.cargo-checksum.json
  src/vendor/crossbeam-deque/.cargo-checksum.json
  src/vendor/crossbeam-epoch/.cargo-checksum.json
  src/vendor/crossbeam-utils/.cargo-checksum.json
  src/vendor/darling/.cargo-checksum.json
  src/vendor/darling_core/.cargo-checksum.json
  src/vendor/darling_macro/.cargo-checksum.json
  src/vendor/derive_builder/.cargo-checksum.json
  src/vendor/derive_builder_core/.cargo-checksum.json
  src/vendor/derive_builder_macro/.cargo-checksum.json
  src/vendor/either/.cargo-checksum.json
  src/vendor/encode_unicode/.cargo-checksum.json
  src/vendor/esaxx-rs/.cargo-checksum.json
  src/vendor/extendr-api/.cargo-checksum.json
  src/vendor/extendr-ffi/.cargo-checksum.json
  src/vendor/extendr-macros/.cargo-checksum.json
  src/vendor/fnv/.cargo-checksum.json
  src/vendor/getrandom/.cargo-checksum.json
  src/vendor/ident_case/.cargo-checksum.json
  src/vendor/indicatif/.cargo-checksum.json
  src/vendor/itertools-0.11.0/.cargo-checksum.json
  src/vendor/itertools/.cargo-checksum.json
  src/vendor/itoa/.cargo-checksum.json
  src/vendor/js-sys/.cargo-checksum.json
  src/vendor/lazy_static/.cargo-checksum.json
  src/vendor/libc/.cargo-checksum.json
  src/vendor/log/.cargo-checksum.json
  src/vendor/macro_rules_attribute-proc_macro/.cargo-checksum.json
  src/vendor/macro_rules_attribute/.cargo-checksum.json
  src/vendor/memchr/.cargo-checksum.json
  src/vendor/minimal-lexical/.cargo-checksum.json
  src/vendor/monostate-impl/.cargo-checksum.json
  src/vendor/monostate/.cargo-checksum.json
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  src/vendor/number_prefix/.cargo-checksum.json
  src/vendor/once_cell/.cargo-checksum.json
  src/vendor/onig/.cargo-checksum.json
  src/vendor/onig_sys/.cargo-checksum.json
  src/vendor/paste/.cargo-checksum.json
  src/vendor/pkg-config/.cargo-checksum.json
  src/vendor/portable-atomic/.cargo-checksum.json
  src/vendor/ppv-lite86/.cargo-checksum.json
  src/vendor/proc-macro2/.cargo-checksum.json
  src/vendor/quote/.cargo-checksum.json
  src/vendor/rand/.cargo-checksum.json
  src/vendor/rand_chacha/.cargo-checksum.json
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  src/vendor/regex/.cargo-checksum.json
  src/vendor/ryu/.cargo-checksum.json
  src/vendor/serde/.cargo-checksum.json
  src/vendor/serde_derive/.cargo-checksum.json
  src/vendor/serde_json/.cargo-checksum.json
  src/vendor/shlex/.cargo-checksum.json
  src/vendor/smallvec/.cargo-checksum.json
  src/vendor/spm_precompiled/.cargo-checksum.json
  src/vendor/strsim/.cargo-checksum.json
  src/vendor/syn/.cargo-checksum.json
  src/vendor/thiserror-impl/.cargo-checksum.json
  src/vendor/thiserror/.cargo-checksum.json
  src/vendor/tokenizers/.cargo-checksum.json
  src/vendor/unicode-ident/.cargo-checksum.json
  src/vendor/unicode-normalization-alignments/.cargo-checksum.json
  src/vendor/unicode-segmentation/.cargo-checksum.json
  src/vendor/unicode-width/.cargo-checksum.json
  src/vendor/unicode_categories/.cargo-checksum.json
  src/vendor/wasi/.cargo-checksum.json
  src/vendor/wasm-bindgen-backend/.cargo-checksum.json
  src/vendor/wasm-bindgen-macro-support/.cargo-checksum.json
  src/vendor/wasm-bindgen-macro/.cargo-checksum.json
  src/vendor/wasm-bindgen-shared/.cargo-checksum.json
  src/vendor/wasm-bindgen/.cargo-checksum.json
  src/vendor/web-time/.cargo-checksum.json
  src/vendor/windows-sys/.cargo-checksum.json
  src/vendor/windows-targets/.cargo-checksum.json
  src/vendor/windows_aarch64_gnullvm/.cargo-checksum.json
  src/vendor/windows_aarch64_msvc/.cargo-checksum.json
  src/vendor/windows_i686_gnu/.cargo-checksum.json
  src/vendor/windows_i686_gnullvm/.cargo-checksum.json
  src/vendor/windows_i686_msvc/.cargo-checksum.json
  src/vendor/windows_x86_64_gnu/.cargo-checksum.json
  src/vendor/windows_x86_64_gnullvm/.cargo-checksum.json
  src/vendor/windows_x86_64_msvc/.cargo-checksum.json
  src/vendor/zerocopy-derive/.cargo-checksum.json
  src/vendor/zerocopy/.cargo-checksum.json
  src/.cargo
  src/rust/target/release/.fingerprint
These were most likely included in error. See section ‘Package
structure’ in the ‘Writing R Extensions’ manual.