[INFO] fetching crate milagro-crypto 0.1.14...
[INFO] building milagro-crypto-0.1.14 against 1.98.0-beta.1 for beta-1.98-1
[INFO] extracting crate milagro-crypto 0.1.14 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate milagro-crypto 0.1.14
[INFO] finished tweaking crates.io crate milagro-crypto 0.1.14
[INFO] tweaked toml for crates.io crate milagro-crypto 0.1.14 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate milagro-crypto 0.1.14 on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.10.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `milagro-crypto` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 03b0cb89af7512ca31e9ee2fa1f6ea885186f12c5f4e55b359ca048aab55f0fb
[INFO] running `Command { std: "docker" "start" "03b0cb89af7512ca31e9ee2fa1f6ea885186f12c5f4e55b359ca048aab55f0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03b0cb89af7512ca31e9ee2fa1f6ea885186f12c5f4e55b359ca048aab55f0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03b0cb89af7512ca31e9ee2fa1f6ea885186f12c5f4e55b359ca048aab55f0fb" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03b0cb89af7512ca31e9ee2fa1f6ea885186f12c5f4e55b359ca048aab55f0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03b0cb89af7512ca31e9ee2fa1f6ea885186f12c5f4e55b359ca048aab55f0fb" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `milagro-crypto` (manifest) generated 1 warning
[INFO] [stderr]    Compiling milagro-crypto v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/big/wrappers.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const FEXCESS:chunk = ( (1 as chunk) << (BASEBITS*(NLEN)-MBITS));
[INFO] [stdout]    |                           ^^                                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 - pub const FEXCESS:chunk = ( (1 as chunk) << (BASEBITS*(NLEN)-MBITS));
[INFO] [stdout] 19 + pub const FEXCESS:chunk = (1 as chunk) << (BASEBITS*(NLEN)-MBITS);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/big/wrappers.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/randapi/wrappers.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |         };
[INFO] [stdout]    |          ^
[INFO] [stdout] ...
[INFO] [stdout] 32 |         CSPRNG_INIT!()
[INFO] [stdout]    |         -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `CSPRNG_INIT`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `CSPRNG_INIT` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/randapi/wrappers.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |         };
[INFO] [stdout]    |          ^
[INFO] [stdout] ...
[INFO] [stdout] 38 |         CSPRNG_INIT!()
[INFO] [stdout]    |         -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `CSPRNG_INIT`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `CSPRNG_INIT` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/randapi/wrappers.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ff/wrappers.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/hash/wrappers.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/fp2/wrappers.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/fp12/wrappers.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ecp/wrappers.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ecp2/wrappers.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pair/wrappers.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::int64_t`: Use i64 instead.
[INFO] [stdout]  --> src/big/wrappers.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_void, int64_t, uint8_t};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/big/wrappers.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_void, int64_t, uint8_t};
[INFO] [stdout]   |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/big/wrappers.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type chunk = int64_t;  // use amcl_build command to get this
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/big/wrappers.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn BIG_toBytes(b: *mut uint8_t, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/big/wrappers.rs:96:49
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn BIG_fromBytes(a: *mut BIG, b: *const uint8_t) -> c_void;
[INFO] [stdout]    |                                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/randapi/wrappers.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_char, c_void, uint8_t, uint32_t};
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]  --> src/randapi/wrappers.rs:5:50
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_char, c_void, uint8_t, uint32_t};
[INFO] [stdout]   |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/randapi/wrappers.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |      ira: [uint32_t; NK],
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/randapi/wrappers.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |      borrow: uint32_t,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/randapi/wrappers.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     val: &'l uint8_t
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/hash/wrappers.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_void, uint8_t, uint32_t};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]  --> src/hash/wrappers.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_void, uint8_t, uint32_t};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]  --> src/hash/wrappers.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     length: [uint32_t;2],
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/hash/wrappers.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     h: [uint32_t;8],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/hash/wrappers.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     w: [uint32_t; 80],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/hash/wrappers.rs:28:56
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn HASH256_hash(sh: *mut hash256, digest: *mut uint8_t) -> c_void;
[INFO] [stdout]    |                                                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:75:50
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn FP_neg(r: *mut BIG, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                              ----^^^^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:77:69
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn BIG_invmodp(r: *mut BIG, a: *const BIG,p: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                 ----^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:78:52
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn BIG_sqr(c: *mut DBIG, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                                ----^^^^^^
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn BIG_modsqr(r: *mut BIG, a: *const BIG, m: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                 ----^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:83:52
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn BIG_copy(d: *mut BIG, s: *const BIG) -> c_void;
[INFO] [stdout]    |                                                ----^^^^^^
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:84:46
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn BIG_shr(a: *mut BIG, k: c_int) -> c_void;
[INFO] [stdout]    |                                          ----^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:85:53
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn BIG_rcopy(b: *mut BIG, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                                 ----^^^^^^
[INFO] [stdout]    |                                                 |
[INFO] [stdout]    |                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:87:66
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn BIG_add(c: *mut BIG, a: *const BIG, b: *const BIG) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:88:66
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn BIG_sub(c: *mut BIG, a: *const BIG, b: *const BIG) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:89:51
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn BIG_mod(b: *mut BIG, c: *const BIG) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:90:84
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn BIG_modmul(r: *mut BIG, a: *const BIG, b: *const BIG, m: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                                ----^^^^^^
[INFO] [stdout]    |                                                                                |
[INFO] [stdout]    |                                                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:91:67
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn BIG_modneg(r: *mut BIG, a: *mut BIG, c: *const BIG) -> c_void;
[INFO] [stdout]    |                                                               ----^^^^^^
[INFO] [stdout]    |                                                               |
[INFO] [stdout]    |                                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:92:67
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn BIG_mul(c: *mut DBIG, a: *const BIG, b: *const BIG) -> c_void;
[INFO] [stdout]    |                                                               ----^^^^^^
[INFO] [stdout]    |                                                               |
[INFO] [stdout]    |                                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:93:62
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn BIG_imul(r: *mut BIG, a: *const BIG, c: c_int) -> c_void;
[INFO] [stdout]    |                                                          ----^^^^^^
[INFO] [stdout]    |                                                          |
[INFO] [stdout]    |                                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:95:59
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn BIG_toBytes(b: *mut uint8_t, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                                       ----^^^^^^
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:96:61
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn BIG_fromBytes(a: *mut BIG, b: *const uint8_t) -> c_void;
[INFO] [stdout]    |                                                         ----^^^^^^
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/randapi/wrappers.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(val: &[u8], size: usize) -> octet {
[INFO] [stdout]    |                     ^^^^^                  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(val: &[u8], size: usize) -> octet<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/randapi/wrappers.rs:60:60
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn CREATE_CSPRNG(R: *mut csprng, S: *mut octet) -> c_void;
[INFO] [stdout]    |                                                        ----^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/randapi/wrappers.rs:61:43
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn KILL_CSPRNG(R: *mut csprng) -> c_void;
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:18:64
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn FF_random(x: *mut BIG, R: &mut csprng, n: c_int) -> c_void;
[INFO] [stdout]    |                                                            ----^^^^^^
[INFO] [stdout]    |                                                            |
[INFO] [stdout]    |                                                            help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:19:82
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn FF_randomnum(x: *mut BIG, p: *const BIG, R: &mut csprng, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                              ----^^^^^^
[INFO] [stdout]    |                                                                              |
[INFO] [stdout]    |                                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:20:75
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn FF_mul(x: *mut BIG, y: *const BIG, z: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                       ----^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:21:75
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn FF_add(x: *mut BIG, y: *const BIG, z: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                       ----^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:22:75
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn FF_sub(x: *mut BIG, y: *const BIG, z: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                       ----^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:23:60
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn FF_mod(x: *mut BIG, m: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                        ----^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:24:60
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn FF_sqr(x: *mut BIG, y: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                        ----^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:25:90
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn FF_pow(r: *mut BIG, x: *const BIG, e: *const BIG, m: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                                      ----^^^^^^
[INFO] [stdout]    |                                                                                      |
[INFO] [stdout]    |                                                                                      help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:26:79
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn FF_invmodp(r: *mut BIG, a: *const BIG, p: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                           ----^^^^^^
[INFO] [stdout]    |                                                                           |
[INFO] [stdout]    |                                                                           help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn FF_inc(x: *mut BIG, m: c_int, n: c_int) -> c_void;
[INFO] [stdout]    |                                                   ----^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:31:46
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn FF_norm(x: *mut BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                          ----^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:32:50
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn FF_output(x: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                              ----^^^^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:33:66
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn FF_fromOctet(x: *mut BIG, S: &mut octet, n: c_int) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:34:66
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn FF_toOctet(S: &mut octet, x: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/hash/wrappers.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn HASH256_init(sh: *mut hash256) -> c_void;
[INFO] [stdout]    |                                          ----^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/hash/wrappers.rs:27:62
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn HASH256_process(sh: *mut hash256, byte: c_int) -> c_void;
[INFO] [stdout]    |                                                          ----^^^^^^
[INFO] [stdout]    |                                                          |
[INFO] [stdout]    |                                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/hash/wrappers.rs:28:68
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn HASH256_hash(sh: *mut hash256, digest: *mut uint8_t) -> c_void;
[INFO] [stdout]    |                                                                ----^^^^^^
[INFO] [stdout]    |                                                                |
[INFO] [stdout]    |                                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp2/wrappers.rs:25:72
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn FP2_from_BIGs(w: *mut FP2, x: *const BIG, y: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                    ----^^^^^^
[INFO] [stdout]    |                                                                    |
[INFO] [stdout]    |                                                                    help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:29:43
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn FP12_output(w: *const FP12) -> c_void;
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:30:54
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn FP12_mul(w: *mut FP12, y: *const FP12) -> c_void;
[INFO] [stdout]    |                                                  ----^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:31:69
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn FP12_pow(r: *mut FP12, a: *const FP12, b: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                 ----^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:32:54
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn FP12_inv(w: *mut FP12, x: *const FP12) -> c_void;
[INFO] [stdout]    |                                                  ----^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:33:59
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn FP12_toOctet(W: *mut octet, g: *const FP12) -> c_void;
[INFO] [stdout]    |                                                       ----^^^^^^
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:34:61
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn FP12_fromOctet(g: *mut FP12, W: *const octet) -> c_void;
[INFO] [stdout]    |                                                         ----^^^^^^
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn ECP_set(P: *mut ECP, x: *const BIG, y: *const BIG) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn ECP_output(P: *const ECP) -> c_void;
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:35:51
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn ECP_mul(P: *mut ECP, e: *const BIG) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:36:51
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn ECP_add(P: *mut ECP, Q: *const ECP) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:37:51
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn ECP_sub(P: *mut ECP, W: *const ECP) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:38:57
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn ECP_toOctet(W: *mut octet, P: *const ECP) -> c_void;
[INFO] [stdout]    |                                                     ----^^^^^^
[INFO] [stdout]    |                                                     |
[INFO] [stdout]    |                                                     help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:40:51
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn ECP_rhs(r: *mut BIG, x: *const BIG) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn ECP_neg(p: *mut ECP) -> c_void;
[INFO] [stdout]    |                                ----^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn ECP_inf(p: *mut ECP) -> c_void;
[INFO] [stdout]    |                                ----^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:31:68
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn ECP2_set(P: *mut ECP2, x: *const FP2, y: *const FP2) -> c_void;
[INFO] [stdout]    |                                                                ----^^^^^^
[INFO] [stdout]    |                                                                |
[INFO] [stdout]    |                                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:32:43
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn ECP2_output(P: *const ECP2) -> c_void;
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:33:53
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn ECP2_mul(P: *mut ECP2, e: *const BIG) -> c_void;
[INFO] [stdout]    |                                                 ----^^^^^^
[INFO] [stdout]    |                                                 |
[INFO] [stdout]    |                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:34:54
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn ECP2_add(P: *mut ECP2, Q: *const ECP2) -> c_void;
[INFO] [stdout]    |                                                  ----^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:35:54
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn ECP2_sub(P: *mut ECP2, W: *const ECP2) -> c_void;
[INFO] [stdout]    |                                                  ----^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn ECP2_inf(P: *mut ECP2) -> c_void;
[INFO] [stdout]    |                                  ----^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:38:59
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn ECP2_toOctet(W: *mut octet, P: *const ECP2) -> c_void;
[INFO] [stdout]    |                                                       ----^^^^^^
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/pair/wrappers.rs:12:65
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn PAIR_ate(r: *mut FP12, P: *mut ECP2, Q: *mut ECP) -> c_void;
[INFO] [stdout]    |                                                             ----^^^^^^
[INFO] [stdout]    |                                                             |
[INFO] [stdout]    |                                                             help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/pair/wrappers.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn PAIR_fexp(r: *const FP12) -> c_void;
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: milagro-crypto v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "03b0cb89af7512ca31e9ee2fa1f6ea885186f12c5f4e55b359ca048aab55f0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03b0cb89af7512ca31e9ee2fa1f6ea885186f12c5f4e55b359ca048aab55f0fb" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `milagro-crypto` (manifest) generated 1 warning
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/big/wrappers.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const FEXCESS:chunk = ( (1 as chunk) << (BASEBITS*(NLEN)-MBITS));
[INFO] [stdout]    |                           ^^                                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 - pub const FEXCESS:chunk = ( (1 as chunk) << (BASEBITS*(NLEN)-MBITS));
[INFO] [stdout] 19 + pub const FEXCESS:chunk = (1 as chunk) << (BASEBITS*(NLEN)-MBITS);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/big/wrappers.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/randapi/wrappers.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |         };
[INFO] [stdout]    |          ^
[INFO] [stdout] ...
[INFO] [stdout] 32 |         CSPRNG_INIT!()
[INFO] [stdout]    |         -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `CSPRNG_INIT`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `CSPRNG_INIT` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/randapi/wrappers.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |         };
[INFO] [stdout]    |          ^
[INFO] [stdout] ...
[INFO] [stdout] 38 |         CSPRNG_INIT!()
[INFO] [stdout]    |         -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `CSPRNG_INIT`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `CSPRNG_INIT` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/randapi/wrappers.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ff/wrappers.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/hash/wrappers.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/fp2/wrappers.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/fp12/wrappers.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ecp/wrappers.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ecp2/wrappers.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pair/wrappers.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::int64_t`: Use i64 instead.
[INFO] [stdout]  --> src/big/wrappers.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_void, int64_t, uint8_t};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/big/wrappers.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_void, int64_t, uint8_t};
[INFO] [stdout]   |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/big/wrappers.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type chunk = int64_t;  // use amcl_build command to get this
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/big/wrappers.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn BIG_toBytes(b: *mut uint8_t, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/big/wrappers.rs:96:49
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn BIG_fromBytes(a: *mut BIG, b: *const uint8_t) -> c_void;
[INFO] [stdout]    |                                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/randapi/wrappers.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_char, c_void, uint8_t, uint32_t};
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]  --> src/randapi/wrappers.rs:5:50
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_char, c_void, uint8_t, uint32_t};
[INFO] [stdout]   |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/randapi/wrappers.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |      ira: [uint32_t; NK],
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/randapi/wrappers.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |      borrow: uint32_t,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/randapi/wrappers.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     val: &'l uint8_t
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/hash/wrappers.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_void, uint8_t, uint32_t};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]  --> src/hash/wrappers.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_void, uint8_t, uint32_t};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]  --> src/hash/wrappers.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     length: [uint32_t;2],
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/hash/wrappers.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     h: [uint32_t;8],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/hash/wrappers.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     w: [uint32_t; 80],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/hash/wrappers.rs:28:56
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn HASH256_hash(sh: *mut hash256, digest: *mut uint8_t) -> c_void;
[INFO] [stdout]    |                                                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:75:50
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn FP_neg(r: *mut BIG, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                              ----^^^^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:77:69
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn BIG_invmodp(r: *mut BIG, a: *const BIG,p: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                 ----^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:78:52
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn BIG_sqr(c: *mut DBIG, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                                ----^^^^^^
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn BIG_modsqr(r: *mut BIG, a: *const BIG, m: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                 ----^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:83:52
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn BIG_copy(d: *mut BIG, s: *const BIG) -> c_void;
[INFO] [stdout]    |                                                ----^^^^^^
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:84:46
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn BIG_shr(a: *mut BIG, k: c_int) -> c_void;
[INFO] [stdout]    |                                          ----^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:85:53
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn BIG_rcopy(b: *mut BIG, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                                 ----^^^^^^
[INFO] [stdout]    |                                                 |
[INFO] [stdout]    |                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:87:66
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn BIG_add(c: *mut BIG, a: *const BIG, b: *const BIG) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:88:66
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn BIG_sub(c: *mut BIG, a: *const BIG, b: *const BIG) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:89:51
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn BIG_mod(b: *mut BIG, c: *const BIG) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:90:84
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn BIG_modmul(r: *mut BIG, a: *const BIG, b: *const BIG, m: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                                ----^^^^^^
[INFO] [stdout]    |                                                                                |
[INFO] [stdout]    |                                                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:91:67
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn BIG_modneg(r: *mut BIG, a: *mut BIG, c: *const BIG) -> c_void;
[INFO] [stdout]    |                                                               ----^^^^^^
[INFO] [stdout]    |                                                               |
[INFO] [stdout]    |                                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:92:67
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn BIG_mul(c: *mut DBIG, a: *const BIG, b: *const BIG) -> c_void;
[INFO] [stdout]    |                                                               ----^^^^^^
[INFO] [stdout]    |                                                               |
[INFO] [stdout]    |                                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:93:62
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn BIG_imul(r: *mut BIG, a: *const BIG, c: c_int) -> c_void;
[INFO] [stdout]    |                                                          ----^^^^^^
[INFO] [stdout]    |                                                          |
[INFO] [stdout]    |                                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:95:59
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn BIG_toBytes(b: *mut uint8_t, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                                       ----^^^^^^
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:96:61
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn BIG_fromBytes(a: *mut BIG, b: *const uint8_t) -> c_void;
[INFO] [stdout]    |                                                         ----^^^^^^
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/randapi/wrappers.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(val: &[u8], size: usize) -> octet {
[INFO] [stdout]    |                     ^^^^^                  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(val: &[u8], size: usize) -> octet<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/randapi/wrappers.rs:60:60
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn CREATE_CSPRNG(R: *mut csprng, S: *mut octet) -> c_void;
[INFO] [stdout]    |                                                        ----^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/randapi/wrappers.rs:61:43
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn KILL_CSPRNG(R: *mut csprng) -> c_void;
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:18:64
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn FF_random(x: *mut BIG, R: &mut csprng, n: c_int) -> c_void;
[INFO] [stdout]    |                                                            ----^^^^^^
[INFO] [stdout]    |                                                            |
[INFO] [stdout]    |                                                            help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:19:82
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn FF_randomnum(x: *mut BIG, p: *const BIG, R: &mut csprng, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                              ----^^^^^^
[INFO] [stdout]    |                                                                              |
[INFO] [stdout]    |                                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:20:75
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn FF_mul(x: *mut BIG, y: *const BIG, z: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                       ----^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:21:75
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn FF_add(x: *mut BIG, y: *const BIG, z: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                       ----^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:22:75
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn FF_sub(x: *mut BIG, y: *const BIG, z: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                       ----^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:23:60
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn FF_mod(x: *mut BIG, m: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                        ----^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:24:60
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn FF_sqr(x: *mut BIG, y: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                        ----^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:25:90
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn FF_pow(r: *mut BIG, x: *const BIG, e: *const BIG, m: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                                      ----^^^^^^
[INFO] [stdout]    |                                                                                      |
[INFO] [stdout]    |                                                                                      help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:26:79
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn FF_invmodp(r: *mut BIG, a: *const BIG, p: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                           ----^^^^^^
[INFO] [stdout]    |                                                                           |
[INFO] [stdout]    |                                                                           help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn FF_inc(x: *mut BIG, m: c_int, n: c_int) -> c_void;
[INFO] [stdout]    |                                                   ----^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:31:46
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn FF_norm(x: *mut BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                          ----^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:32:50
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn FF_output(x: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                              ----^^^^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:33:66
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn FF_fromOctet(x: *mut BIG, S: &mut octet, n: c_int) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:34:66
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn FF_toOctet(S: &mut octet, x: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/hash/wrappers.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn HASH256_init(sh: *mut hash256) -> c_void;
[INFO] [stdout]    |                                          ----^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/hash/wrappers.rs:27:62
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn HASH256_process(sh: *mut hash256, byte: c_int) -> c_void;
[INFO] [stdout]    |                                                          ----^^^^^^
[INFO] [stdout]    |                                                          |
[INFO] [stdout]    |                                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/hash/wrappers.rs:28:68
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn HASH256_hash(sh: *mut hash256, digest: *mut uint8_t) -> c_void;
[INFO] [stdout]    |                                                                ----^^^^^^
[INFO] [stdout]    |                                                                |
[INFO] [stdout]    |                                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp2/wrappers.rs:25:72
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn FP2_from_BIGs(w: *mut FP2, x: *const BIG, y: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                    ----^^^^^^
[INFO] [stdout]    |                                                                    |
[INFO] [stdout]    |                                                                    help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:29:43
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn FP12_output(w: *const FP12) -> c_void;
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:30:54
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn FP12_mul(w: *mut FP12, y: *const FP12) -> c_void;
[INFO] [stdout]    |                                                  ----^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:31:69
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn FP12_pow(r: *mut FP12, a: *const FP12, b: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                 ----^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:32:54
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn FP12_inv(w: *mut FP12, x: *const FP12) -> c_void;
[INFO] [stdout]    |                                                  ----^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:33:59
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn FP12_toOctet(W: *mut octet, g: *const FP12) -> c_void;
[INFO] [stdout]    |                                                       ----^^^^^^
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:34:61
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn FP12_fromOctet(g: *mut FP12, W: *const octet) -> c_void;
[INFO] [stdout]    |                                                         ----^^^^^^
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn ECP_set(P: *mut ECP, x: *const BIG, y: *const BIG) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn ECP_output(P: *const ECP) -> c_void;
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:35:51
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn ECP_mul(P: *mut ECP, e: *const BIG) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling milagro-crypto v0.1.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:36:51
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn ECP_add(P: *mut ECP, Q: *const ECP) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:37:51
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn ECP_sub(P: *mut ECP, W: *const ECP) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:38:57
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn ECP_toOctet(W: *mut octet, P: *const ECP) -> c_void;
[INFO] [stdout]    |                                                     ----^^^^^^
[INFO] [stdout]    |                                                     |
[INFO] [stdout]    |                                                     help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:40:51
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn ECP_rhs(r: *mut BIG, x: *const BIG) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn ECP_neg(p: *mut ECP) -> c_void;
[INFO] [stdout]    |                                ----^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn ECP_inf(p: *mut ECP) -> c_void;
[INFO] [stdout]    |                                ----^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:31:68
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn ECP2_set(P: *mut ECP2, x: *const FP2, y: *const FP2) -> c_void;
[INFO] [stdout]    |                                                                ----^^^^^^
[INFO] [stdout]    |                                                                |
[INFO] [stdout]    |                                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:32:43
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn ECP2_output(P: *const ECP2) -> c_void;
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:33:53
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn ECP2_mul(P: *mut ECP2, e: *const BIG) -> c_void;
[INFO] [stdout]    |                                                 ----^^^^^^
[INFO] [stdout]    |                                                 |
[INFO] [stdout]    |                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:34:54
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn ECP2_add(P: *mut ECP2, Q: *const ECP2) -> c_void;
[INFO] [stdout]    |                                                  ----^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:35:54
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn ECP2_sub(P: *mut ECP2, W: *const ECP2) -> c_void;
[INFO] [stdout]    |                                                  ----^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn ECP2_inf(P: *mut ECP2) -> c_void;
[INFO] [stdout]    |                                  ----^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:38:59
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn ECP2_toOctet(W: *mut octet, P: *const ECP2) -> c_void;
[INFO] [stdout]    |                                                       ----^^^^^^
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/pair/wrappers.rs:12:65
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn PAIR_ate(r: *mut FP12, P: *mut ECP2, Q: *mut ECP) -> c_void;
[INFO] [stdout]    |                                                             ----^^^^^^
[INFO] [stdout]    |                                                             |
[INFO] [stdout]    |                                                             help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/pair/wrappers.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn PAIR_fexp(r: *const FP12) -> c_void;
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/big/wrappers.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const FEXCESS:chunk = ( (1 as chunk) << (BASEBITS*(NLEN)-MBITS));
[INFO] [stdout]    |                           ^^                                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 - pub const FEXCESS:chunk = ( (1 as chunk) << (BASEBITS*(NLEN)-MBITS));
[INFO] [stdout] 19 + pub const FEXCESS:chunk = (1 as chunk) << (BASEBITS*(NLEN)-MBITS);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/big/wrappers.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/randapi/wrappers.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |         };
[INFO] [stdout]    |          ^
[INFO] [stdout] ...
[INFO] [stdout] 32 |         CSPRNG_INIT!()
[INFO] [stdout]    |         -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `CSPRNG_INIT`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `CSPRNG_INIT` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/randapi/wrappers.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |         };
[INFO] [stdout]    |          ^
[INFO] [stdout] ...
[INFO] [stdout] 38 |         CSPRNG_INIT!()
[INFO] [stdout]    |         -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]    = note: to ignore the value produced by the macro, add a semicolon after the invocation of `CSPRNG_INIT`
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `CSPRNG_INIT` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/randapi/wrappers.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/randapi/wrappers.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |         };
[INFO] [stdout]    |          ^
[INFO] [stdout] ...
[INFO] [stdout] 73 |             let mut rng: csprng = CSPRNG_INIT!();
[INFO] [stdout]    |                                   -------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `CSPRNG_INIT` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ff/wrappers.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/ff/wrappers.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 |         [ BIG::default(); $x ];
[INFO] [stdout]    |                               ^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         let mut x: [BIG; 1] = FF_ZERO!(1);
[INFO] [stdout]    |                               ----------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `FF_ZERO` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/ff/wrappers.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 |         [ BIG::default(); $x ];
[INFO] [stdout]    |                               ^
[INFO] [stdout] ...
[INFO] [stdout] 60 |         let mut y: [BIG; 1] = FF_ZERO!(1);
[INFO] [stdout]    |                               ----------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `FF_ZERO` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/ff/wrappers.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 |         [ BIG::default(); $x ];
[INFO] [stdout]    |                               ^
[INFO] [stdout] ...
[INFO] [stdout] 61 |         let mut z: [BIG; 2] = FF_ZERO!(2);
[INFO] [stdout]    |                               ----------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `FF_ZERO` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/ff/wrappers.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 |         [ BIG::default(); $x ];
[INFO] [stdout]    |                               ^
[INFO] [stdout] ...
[INFO] [stdout] 91 |         let mut x: [BIG; 1] = FF_ZERO!(1);
[INFO] [stdout]    |                               ----------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `FF_ZERO` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/ff/wrappers.rs:13:31
[INFO] [stdout]     |
[INFO] [stdout]  13 |         [ BIG::default(); $x ];
[INFO] [stdout]     |                               ^
[INFO] [stdout] ...
[INFO] [stdout] 107 |         let mut x: [BIG; 2] = FF_ZERO!(2);
[INFO] [stdout]     |                               ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `FF_ZERO` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/ff/wrappers.rs:13:31
[INFO] [stdout]     |
[INFO] [stdout]  13 |         [ BIG::default(); $x ];
[INFO] [stdout]     |                               ^
[INFO] [stdout] ...
[INFO] [stdout] 108 |         let mut y: [BIG; 2] = FF_ZERO!(2);
[INFO] [stdout]     |                               ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `FF_ZERO` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/ff/wrappers.rs:13:31
[INFO] [stdout]     |
[INFO] [stdout]  13 |         [ BIG::default(); $x ];
[INFO] [stdout]     |                               ^
[INFO] [stdout] ...
[INFO] [stdout] 109 |         let mut z: [BIG; 4] = FF_ZERO!(4);
[INFO] [stdout]     |                               ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `FF_ZERO` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/hash/wrappers.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/fp2/wrappers.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/fp12/wrappers.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ecp/wrappers.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ecp2/wrappers.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/pair/wrappers.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern {
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::int64_t`: Use i64 instead.
[INFO] [stdout]  --> src/big/wrappers.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_void, int64_t, uint8_t};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/big/wrappers.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_void, int64_t, uint8_t};
[INFO] [stdout]   |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::int64_t`: Use i64 instead.
[INFO] [stdout]   --> src/big/wrappers.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type chunk = int64_t;  // use amcl_build command to get this
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/big/wrappers.rs:95:32
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn BIG_toBytes(b: *mut uint8_t, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/big/wrappers.rs:96:49
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn BIG_fromBytes(a: *mut BIG, b: *const uint8_t) -> c_void;
[INFO] [stdout]    |                                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/randapi/wrappers.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_char, c_void, uint8_t, uint32_t};
[INFO] [stdout]   |                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]  --> src/randapi/wrappers.rs:5:50
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_char, c_void, uint8_t, uint32_t};
[INFO] [stdout]   |                                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/randapi/wrappers.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |      ira: [uint32_t; NK],
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/randapi/wrappers.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |      borrow: uint32_t,
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/randapi/wrappers.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     val: &'l uint8_t
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/randapi/wrappers.rs:74:23
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let val: [uint8_t; 8] = [0; 8];
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ff/wrappers.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |     use self::libc::{uint8_t};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ff/wrappers.rs:62:19
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let val: [uint8_t; 32] = [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/ff/wrappers.rs:92:19
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let val: [uint8_t; 32] = [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]    --> src/ff/wrappers.rs:110:19
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let val: [uint8_t; 32] = [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]  --> src/hash/wrappers.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_void, uint8_t, uint32_t};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]  --> src/hash/wrappers.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::libc::{c_int, c_void, uint8_t, uint32_t};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]  --> src/hash/wrappers.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     length: [uint32_t;2],
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/hash/wrappers.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     h: [uint32_t;8],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint32_t`: Use u32 instead.
[INFO] [stdout]   --> src/hash/wrappers.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     w: [uint32_t; 80],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/hash/wrappers.rs:28:56
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn HASH256_hash(sh: *mut hash256, digest: *mut uint8_t) -> c_void;
[INFO] [stdout]    |                                                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/hash/wrappers.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let golden: [uint8_t; 32] = [ 0x02, 0x1f, 0xb5, 0x96, 0xdb, 0x81, 0xe6, 0xd0,
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `big::libc::uint8_t`: Use u8 instead.
[INFO] [stdout]   --> src/hash/wrappers.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut digest: [uint8_t; 32] = [0; 32];
[INFO] [stdout]    |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:75:50
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn FP_neg(r: *mut BIG, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                              ----^^^^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:77:69
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn BIG_invmodp(r: *mut BIG, a: *const BIG,p: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                 ----^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:78:52
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn BIG_sqr(c: *mut DBIG, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                                ----^^^^^^
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn BIG_modsqr(r: *mut BIG, a: *const BIG, m: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                 ----^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:83:52
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn BIG_copy(d: *mut BIG, s: *const BIG) -> c_void;
[INFO] [stdout]    |                                                ----^^^^^^
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:84:46
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn BIG_shr(a: *mut BIG, k: c_int) -> c_void;
[INFO] [stdout]    |                                          ----^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:85:53
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn BIG_rcopy(b: *mut BIG, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                                 ----^^^^^^
[INFO] [stdout]    |                                                 |
[INFO] [stdout]    |                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:87:66
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn BIG_add(c: *mut BIG, a: *const BIG, b: *const BIG) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:88:66
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn BIG_sub(c: *mut BIG, a: *const BIG, b: *const BIG) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:89:51
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn BIG_mod(b: *mut BIG, c: *const BIG) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:90:84
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn BIG_modmul(r: *mut BIG, a: *const BIG, b: *const BIG, m: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                                ----^^^^^^
[INFO] [stdout]    |                                                                                |
[INFO] [stdout]    |                                                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:91:67
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn BIG_modneg(r: *mut BIG, a: *mut BIG, c: *const BIG) -> c_void;
[INFO] [stdout]    |                                                               ----^^^^^^
[INFO] [stdout]    |                                                               |
[INFO] [stdout]    |                                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:92:67
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn BIG_mul(c: *mut DBIG, a: *const BIG, b: *const BIG) -> c_void;
[INFO] [stdout]    |                                                               ----^^^^^^
[INFO] [stdout]    |                                                               |
[INFO] [stdout]    |                                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:93:62
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn BIG_imul(r: *mut BIG, a: *const BIG, c: c_int) -> c_void;
[INFO] [stdout]    |                                                          ----^^^^^^
[INFO] [stdout]    |                                                          |
[INFO] [stdout]    |                                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:95:59
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn BIG_toBytes(b: *mut uint8_t, a: *const BIG) -> c_void;
[INFO] [stdout]    |                                                       ----^^^^^^
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/big/wrappers.rs:96:61
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn BIG_fromBytes(a: *mut BIG, b: *const uint8_t) -> c_void;
[INFO] [stdout]    |                                                         ----^^^^^^
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/randapi/wrappers.rs:50:21
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(val: &[u8], size: usize) -> octet {
[INFO] [stdout]    |                     ^^^^^                  ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(val: &[u8], size: usize) -> octet<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/randapi/wrappers.rs:60:60
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn CREATE_CSPRNG(R: *mut csprng, S: *mut octet) -> c_void;
[INFO] [stdout]    |                                                        ----^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/randapi/wrappers.rs:61:43
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn KILL_CSPRNG(R: *mut csprng) -> c_void;
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:18:64
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn FF_random(x: *mut BIG, R: &mut csprng, n: c_int) -> c_void;
[INFO] [stdout]    |                                                            ----^^^^^^
[INFO] [stdout]    |                                                            |
[INFO] [stdout]    |                                                            help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:19:82
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn FF_randomnum(x: *mut BIG, p: *const BIG, R: &mut csprng, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                              ----^^^^^^
[INFO] [stdout]    |                                                                              |
[INFO] [stdout]    |                                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:20:75
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn FF_mul(x: *mut BIG, y: *const BIG, z: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                       ----^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:21:75
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn FF_add(x: *mut BIG, y: *const BIG, z: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                       ----^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:22:75
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn FF_sub(x: *mut BIG, y: *const BIG, z: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                       ----^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:23:60
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn FF_mod(x: *mut BIG, m: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                        ----^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:24:60
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn FF_sqr(x: *mut BIG, y: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                        ----^^^^^^
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:25:90
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn FF_pow(r: *mut BIG, x: *const BIG, e: *const BIG, m: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                                      ----^^^^^^
[INFO] [stdout]    |                                                                                      |
[INFO] [stdout]    |                                                                                      help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:26:79
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn FF_invmodp(r: *mut BIG, a: *const BIG, p: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                                           ----^^^^^^
[INFO] [stdout]    |                                                                           |
[INFO] [stdout]    |                                                                           help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:30:55
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn FF_inc(x: *mut BIG, m: c_int, n: c_int) -> c_void;
[INFO] [stdout]    |                                                   ----^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:31:46
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn FF_norm(x: *mut BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                          ----^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:32:50
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn FF_output(x: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                              ----^^^^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:33:66
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn FF_fromOctet(x: *mut BIG, S: &mut octet, n: c_int) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ff/wrappers.rs:34:66
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn FF_toOctet(S: &mut octet, x: *const BIG, n: c_int) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/hash/wrappers.rs:26:46
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn HASH256_init(sh: *mut hash256) -> c_void;
[INFO] [stdout]    |                                          ----^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/hash/wrappers.rs:27:62
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn HASH256_process(sh: *mut hash256, byte: c_int) -> c_void;
[INFO] [stdout]    |                                                          ----^^^^^^
[INFO] [stdout]    |                                                          |
[INFO] [stdout]    |                                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/hash/wrappers.rs:28:68
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn HASH256_hash(sh: *mut hash256, digest: *mut uint8_t) -> c_void;
[INFO] [stdout]    |                                                                ----^^^^^^
[INFO] [stdout]    |                                                                |
[INFO] [stdout]    |                                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp2/wrappers.rs:25:72
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn FP2_from_BIGs(w: *mut FP2, x: *const BIG, y: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                    ----^^^^^^
[INFO] [stdout]    |                                                                    |
[INFO] [stdout]    |                                                                    help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:29:43
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn FP12_output(w: *const FP12) -> c_void;
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:30:54
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn FP12_mul(w: *mut FP12, y: *const FP12) -> c_void;
[INFO] [stdout]    |                                                  ----^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:31:69
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn FP12_pow(r: *mut FP12, a: *const FP12, b: *const BIG) -> c_void;
[INFO] [stdout]    |                                                                 ----^^^^^^
[INFO] [stdout]    |                                                                 |
[INFO] [stdout]    |                                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:32:54
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn FP12_inv(w: *mut FP12, x: *const FP12) -> c_void;
[INFO] [stdout]    |                                                  ----^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:33:59
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn FP12_toOctet(W: *mut octet, g: *const FP12) -> c_void;
[INFO] [stdout]    |                                                       ----^^^^^^
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/fp12/wrappers.rs:34:61
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn FP12_fromOctet(g: *mut FP12, W: *const octet) -> c_void;
[INFO] [stdout]    |                                                         ----^^^^^^
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn ECP_set(P: *mut ECP, x: *const BIG, y: *const BIG) -> c_void;
[INFO] [stdout]    |                                                              ----^^^^^^
[INFO] [stdout]    |                                                              |
[INFO] [stdout]    |                                                              help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:33:41
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn ECP_output(P: *const ECP) -> c_void;
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:35:51
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn ECP_mul(P: *mut ECP, e: *const BIG) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:36:51
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn ECP_add(P: *mut ECP, Q: *const ECP) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:37:51
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn ECP_sub(P: *mut ECP, W: *const ECP) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:38:57
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn ECP_toOctet(W: *mut octet, P: *const ECP) -> c_void;
[INFO] [stdout]    |                                                     ----^^^^^^
[INFO] [stdout]    |                                                     |
[INFO] [stdout]    |                                                     help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:40:51
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn ECP_rhs(r: *mut BIG, x: *const BIG) -> c_void;
[INFO] [stdout]    |                                               ----^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn ECP_neg(p: *mut ECP) -> c_void;
[INFO] [stdout]    |                                ----^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp/wrappers.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn ECP_inf(p: *mut ECP) -> c_void;
[INFO] [stdout]    |                                ----^^^^^^
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:31:68
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn ECP2_set(P: *mut ECP2, x: *const FP2, y: *const FP2) -> c_void;
[INFO] [stdout]    |                                                                ----^^^^^^
[INFO] [stdout]    |                                                                |
[INFO] [stdout]    |                                                                help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:32:43
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn ECP2_output(P: *const ECP2) -> c_void;
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:33:53
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn ECP2_mul(P: *mut ECP2, e: *const BIG) -> c_void;
[INFO] [stdout]    |                                                 ----^^^^^^
[INFO] [stdout]    |                                                 |
[INFO] [stdout]    |                                                 help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:34:54
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn ECP2_add(P: *mut ECP2, Q: *const ECP2) -> c_void;
[INFO] [stdout]    |                                                  ----^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:35:54
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn ECP2_sub(P: *mut ECP2, W: *const ECP2) -> c_void;
[INFO] [stdout]    |                                                  ----^^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn ECP2_inf(P: *mut ECP2) -> c_void;
[INFO] [stdout]    |                                  ----^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ecp2/wrappers.rs:38:59
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn ECP2_toOctet(W: *mut octet, P: *const ECP2) -> c_void;
[INFO] [stdout]    |                                                       ----^^^^^^
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/pair/wrappers.rs:12:65
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn PAIR_ate(r: *mut FP12, P: *mut ECP2, Q: *mut ECP) -> c_void;
[INFO] [stdout]    |                                                             ----^^^^^^
[INFO] [stdout]    |                                                             |
[INFO] [stdout]    |                                                             help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/pair/wrappers.rs:13:41
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn PAIR_fexp(r: *const FP12) -> c_void;
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.85s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: milagro-crypto v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "03b0cb89af7512ca31e9ee2fa1f6ea885186f12c5f4e55b359ca048aab55f0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b0cb89af7512ca31e9ee2fa1f6ea885186f12c5f4e55b359ca048aab55f0fb", kill_on_drop: false }`
[INFO] [stdout] 03b0cb89af7512ca31e9ee2fa1f6ea885186f12c5f4e55b359ca048aab55f0fb
