# A list of the most popular Rust crates. # Sourced from https://lib.rs/std. serde serde_json syn clap thiserror rand log tokio anyhow regex quote proc-macro2 base64 itertools chrono lazy_static once_cell libc reqwest futures bitflags tracing url bytes toml tempfile uuid indexmap env_logger num-traits async-trait sha2 hex tracing-subscriber http parking_lot cfg-if futures-util cc hashbrown rayon hyper getrandom semver strum flate2 tokio-util smallvec criterion paste heck rand_core nom rustls nix glob time byteorder strum_macros serde_yaml wasm-bindgen ahash either num_cpus rand_chacha prost percent-encoding pin-project-lite tokio-stream bincode walkdir bindgen axum windows-sys futures-core ring digest num-bigint rustls-pemfile serde_with crossbeam-channel tokio-rustls hmac fastrand dirs zeroize socket2 pin-project tower derive_more memchr toml_edit static_assertions pretty_assertions js-sys convert_case unicode-width pkg-config itoa colored rustc-hash darling mime web-sys image bytemuck which sha1 dashmap arrayvec fnv tonic humantime libloading winapi rustc_version http-body indoc num home serde_urlencoded http-body-util unicode-segmentation num-integer webpki-roots phf futures-channel indicatif petgraph ordered-float strsim zstd console encoding_rs wasm-bindgen-futures urlencoding subtle crc32fast slab rustix predicates spin hyper-rustls backtrace rustversion mio scopeguard proc-macro-error hyper-util ryu prost-types textwrap memmap2 zip zerocopy generic-array tar pyo3 async-stream quick-xml memoffset csv crossterm windows num_enum tokio-tungstenite crossbeam-utils async-channel lru aes futures-lite tracing-core prettyplease httparse serde_bytes tracing-log tower-service cargo_metadata pest mime_guess tower-http data-encoding native-tls prost-build proptest derivative serial_test libm half futures-io bitvec rustls-native-certs ureq object anstyle tonic-build form_urlencoded num-derive pest_derive schemars proc-macro-crate rstest futures-executor assert_cmd termcolor serde_repr ctrlc sha3 clap_complete flume mockall ipnet aho-corasick atty signal-hook async-std filetime num-complex opentelemetry cmake arc-swap derive_builder async-recursion dyn-clone bumpalo fs_extra git2 sysinfo shlex instant approx rmp-serde rand_distr rustls-pki-types maplit sqlx blake3 hyper-tls dotenvy jsonwebtoken openssl-sys crossbeam camino winreg config rsa bit-vec chrono-tz async-lock bstr