k256 0.7.1

secp256k1 elliptic curve library written in pure Rust with support for ECDSA signing/verification (including Ethereum-style signatures with public-key recovery), Elliptic Curve Diffie-Hellman (ECDH), and general purpose secp256k1 curve arithmetic useful for implementing arbitrary group-based protocols.
Documentation
Build #326078 2020-12-17T06:20:13.079115+00:00 
# rustc version
rustc 1.50.0-nightly (b32e6e6ac 2020-12-16)
# docs.rs version
docsrs 0.6.0 (31c864e 2020-11-22)

# build log
[INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace/builds/k256-0.7.1/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/k256-0.7.1/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--cpus" "2" "--user" "1001:1001" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "ecdh ecdsa sha256 keccak256" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs\"" "-j2" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--resource-suffix" "-20201216-1.50.0-nightly-b32e6e6ac" "--static-root-path" "/" "--cap-lints" "warn" "--disable-per-crate-search", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07325455286a47bad68996c6897147da110883fc75c9018a8f3f3156d943b44e
[INFO] running `Command { std: "docker" "start" "-a" "07325455286a47bad68996c6897147da110883fc75c9018a8f3f3156d943b44e", kill_on_drop: false }`
[INFO] [stderr] /opt/crates-build-env/entrypoint.sh: line 7: /etc/hosts: Permission denied
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking const-oid v0.4.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking pkcs8 v0.3.2
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking elliptic-curve v0.8.1
[INFO] [stderr]     Checking ecdsa v0.10.1
[INFO] [stderr]  Documenting k256 v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: this URL is not a hyperlink
[INFO] [stderr]  --> src/arithmetic/field/field_5x52.rs:2:17
[INFO] [stderr]   |
[INFO] [stderr] 2 | //! Ported from https://github.com/bitcoin-core/secp256k1
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/bitcoin-core/secp256k1>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_autolinks)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.27s
[INFO] running `Command { std: "docker" "inspect" "07325455286a47bad68996c6897147da110883fc75c9018a8f3f3156d943b44e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07325455286a47bad68996c6897147da110883fc75c9018a8f3f3156d943b44e", kill_on_drop: false }`
[INFO] [stdout] 07325455286a47bad68996c6897147da110883fc75c9018a8f3f3156d943b44e