[INFO] fetching crate bitcoin-sha256 0.1.16-alpha.0...
[INFO] checking bitcoin-sha256-0.1.16-alpha.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate bitcoin-sha256 0.1.16-alpha.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bitcoin-sha256 0.1.16-alpha.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin-sha256 0.1.16-alpha.0
[INFO] finished tweaking crates.io crate bitcoin-sha256 0.1.16-alpha.0
[INFO] tweaked toml for crates.io crate bitcoin-sha256 0.1.16-alpha.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e622ad8dcadf12d012252dc1e8691624f26a3e8f8bb783454fa66a3fcfd79e1c
[INFO] running `Command { std: "docker" "start" "-a" "e622ad8dcadf12d012252dc1e8691624f26a3e8f8bb783454fa66a3fcfd79e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e622ad8dcadf12d012252dc1e8691624f26a3e8f8bb783454fa66a3fcfd79e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e622ad8dcadf12d012252dc1e8691624f26a3e8f8bb783454fa66a3fcfd79e1c", kill_on_drop: false }`
[INFO] [stdout] e622ad8dcadf12d012252dc1e8691624f26a3e8f8bb783454fa66a3fcfd79e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69aa91bf6114fe6d7ab0be4d67ed38aa0773b04bf1bf7d373e8818f4b9344c74
[INFO] running `Command { std: "docker" "start" "-a" "69aa91bf6114fe6d7ab0be4d67ed38aa0773b04bf1bf7d373e8818f4b9344c74", kill_on_drop: false }`
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[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling libevent v0.1.0
[INFO] [stderr]     Checking bitcoin-imports v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-cfg v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-derive v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-support v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-primitives v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-sha256 v0.1.16-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bitcoin_derive::*`
[INFO] [stdout]  --> src/imports.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) use bitcoin_derive::*;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `ch`
[INFO] [stdout]   --> src/hash.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 | macro_rules! ch {
[INFO] [stdout]    |              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `maj`
[INFO] [stdout]   --> src/hash.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 | macro_rules! maj {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `sigma0`
[INFO] [stdout]   --> src/hash.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 | macro_rules! sigma0 {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `sigma1`
[INFO] [stdout]   --> src/hash.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 | macro_rules! sigma1 {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `sigma0`
[INFO] [stdout]   --> src/hash.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 | macro_rules! sigma0 {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `sigma1`
[INFO] [stdout]   --> src/hash.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 | macro_rules! sigma1 {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `round`
[INFO] [stdout]   --> src/hash.rs:70:14
[INFO] [stdout]    |
[INFO] [stdout] 70 | macro_rules! round {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `CHKDF_HMAC_SHA256_L32` should have an upper camel case name
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CHKDF_HMAC_SHA256_L32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ChkdfHmacSha256L32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:110:26
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub fn sha256_initialize(hash: *mut Sha256)  {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/hash.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         s:     *mut u32,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]    --> src/hash.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         chunk: *const u32)  {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         hash: *mut Sha256,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/hash.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         data: *const u8,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/hash.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         len:  usize)  {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         hash:  *mut Sha256,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out32`
[INFO] [stdout]    --> src/hash.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         out32: *mut u8)  {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_out32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         hash:   *mut Sha256,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/hash.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         tag:    *const u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `taglen`
[INFO] [stdout]    --> src/hash.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         taglen: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_taglen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |         hash:   *mut HmacSha256,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/hash.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |         key:    *const u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keylen`
[INFO] [stdout]    --> src/hash.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         keylen: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_keylen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         hash: *mut HmacSha256,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/hash.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 328 |         data: *const u8,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/hash.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         size: usize)  {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |         hash:  *mut HmacSha256,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out32`
[INFO] [stdout]    --> src/hash.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         out32: *mut u8)  {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_out32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/hash.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |         rng:    *mut Rfc6979HmacSha256,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/hash.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |         key:    *const u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keylen`
[INFO] [stdout]    --> src/hash.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         keylen: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_keylen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/hash.rs:389:9
[INFO] [stdout]     |
[INFO] [stdout] 389 |         rng:    *mut Rfc6979HmacSha256,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/hash.rs:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |         out:    *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outlen`
[INFO] [stdout]    --> src/hash.rs:391:9
[INFO] [stdout]     |
[INFO] [stdout] 391 |         outlen: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_outlen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/hash.rs:426:37
[INFO] [stdout]     |
[INFO] [stdout] 426 | pub fn rfc6979_hmac_sha256_finalize(rng: *mut Rfc6979HmacSha256)  {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/sha256.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         x: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/sha256.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         y: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/sha256.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         z: u32) -> u32 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/sha256.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         x: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/sha256.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         y: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/sha256.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         z: u32) -> u32 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/sha256.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[inline] pub fn sha256_sigma0(x: u32) -> u32 {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/sha256.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[inline] pub fn sha256_sigma1(x: u32) -> u32 {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/sha256.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         a: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/sha256.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         b: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/sha256.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         c: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/sha256.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         d: &mut u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/sha256.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         e: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/sha256.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         f: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/sha256.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         g: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/sha256.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         h: &mut u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/sha256.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         k: u32)  {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/sha256.rs:75:28
[INFO] [stdout]    |
[INFO] [stdout] 75 |     #[inline] fn my_sigma0(x: u32) -> u32 {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/sha256.rs:84:28
[INFO] [stdout]    |
[INFO] [stdout] 84 |     #[inline] fn my_sigma1(x: u32) -> u32 {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/sha256.rs:105:36
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[inline] pub fn sha256_initialize(s: *mut u32)  {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/sha256.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         s:      *mut u32,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]    --> src/sha256.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         chunk:  *const u8,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/sha256.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         blocks: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/sha256.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         out: *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_`
[INFO] [stdout]    --> src/sha256.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         in_: *const u8)  {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_in_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/sha256.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |         data: Box<dyn Iterator<Item=u8>>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/sha256.rs:490:9
[INFO] [stdout]     |
[INFO] [stdout] 490 |         len:  usize) 
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/sha256.rs:496:9
[INFO] [stdout]     |
[INFO] [stdout] 496 |         data: *const u8,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/sha256.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         len:  usize) {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/sha256.rs:526:32
[INFO] [stdout]     |
[INFO] [stdout] 526 |     pub fn finalize(&mut self, hash: [u8; SHA256_OUTPUT_SIZE])  {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/sha256.rs:573:9
[INFO] [stdout]     |
[INFO] [stdout] 573 |         out: *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_`
[INFO] [stdout]    --> src/sha256.rs:574:9
[INFO] [stdout]     |
[INFO] [stdout] 574 |         in_: *const u8)  {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_in_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/sha256.rs:583:9
[INFO] [stdout]     |
[INFO] [stdout] 583 |         out: *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_`
[INFO] [stdout]    --> src/sha256.rs:584:9
[INFO] [stdout]     |
[INFO] [stdout] 584 |         in_: *const u8)  {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_in_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/sha256.rs:593:9
[INFO] [stdout]     |
[INFO] [stdout] 593 |         out: *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_`
[INFO] [stdout]    --> src/sha256.rs:594:9
[INFO] [stdout]     |
[INFO] [stdout] 594 |         in_: *const u8)  {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_in_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/sha256.rs:603:9
[INFO] [stdout]     |
[INFO] [stdout] 603 |         s:      *mut u32,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]    --> src/sha256.rs:604:9
[INFO] [stdout]     |
[INFO] [stdout] 604 |         chunk:  *const u8,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/sha256.rs:605:9
[INFO] [stdout]     |
[INFO] [stdout] 605 |         blocks: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tr`
[INFO] [stdout]    --> src/sha256.rs:622:9
[INFO] [stdout]     |
[INFO] [stdout] 622 |         tr:  TransformType,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_tr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/sha256.rs:623:9
[INFO] [stdout]     |
[INFO] [stdout] 623 |         out: *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_`
[INFO] [stdout]    --> src/sha256.rs:624:9
[INFO] [stdout]     |
[INFO] [stdout] 624 |         in_: *const u8)  {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_in_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/sha256.rs:871:9
[INFO] [stdout]     |
[INFO] [stdout] 871 |         out:    *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_`
[INFO] [stdout]    --> src/sha256.rs:872:9
[INFO] [stdout]     |
[INFO] [stdout] 872 |         in_:    *const u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_in_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/sha256.rs:873:9
[INFO] [stdout]     |
[INFO] [stdout] 873 |         blocks: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/sha256.rs:915:22
[INFO] [stdout]     |
[INFO] [stdout] 915 | pub fn sha256uint256(input: &u256) -> u256 {
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ikm`
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         ikm:    *const u8,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ikm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ikmlen`
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         ikmlen: usize,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ikmlen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `salt`
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         salt:   &String) -> Self {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_salt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitcoin_derive::*`
[INFO] [stdout]  --> src/imports.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) use bitcoin_derive::*;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `ch`
[INFO] [stdout]   --> src/hash.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 | macro_rules! ch {
[INFO] [stdout]    |              ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         info: &String,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `maj`
[INFO] [stdout]   --> src/hash.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 | macro_rules! maj {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `sigma0`
[INFO] [stdout]   --> src/hash.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 | macro_rules! sigma0 {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         hash: [u8; CHKDF_HMAC_SHA256_L32_OUTPUT_SIZE])  {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/hmac_sha256.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         data: *const u8,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/hmac_sha256.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         len:  usize) -> &mut HmacSha256 {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/hmac_sha256.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         key:    *const u8,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keylen`
[INFO] [stdout]   --> src/hmac_sha256.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         keylen: usize) -> Self {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_keylen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]   --> src/hmac_sha256.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn finalize(&mut self, hash: [u8; HMAC_SHA256_OUTPUT_SIZE])  {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `inner` and `outer` are never read
[INFO] [stdout]  --> src/hash.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct HmacSha256 {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 6 |     inner: Sha256,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     outer: Sha256,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `v`, `k`, and `retry` are never read
[INFO] [stdout]   --> src/hash.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Rfc6979HmacSha256 {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 11 |     v:     [u8; 32],
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     k:     [u8; 32],
[INFO] [stdout]    |     ^
[INFO] [stdout] 13 |     retry: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_sigma0` is never used
[INFO] [stdout]   --> src/sha256.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |     #[inline] fn my_sigma0(x: u32) -> u32 {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_sigma1` is never used
[INFO] [stdout]   --> src/sha256.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 |     #[inline] fn my_sigma1(x: u32) -> u32 {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sha256_initialize` is never used
[INFO] [stdout]    --> src/sha256.rs:105:18
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[inline] pub fn sha256_initialize(s: *mut u32)  {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sha256_transform` is never used
[INFO] [stdout]    --> src/sha256.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn sha256_transform(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `prk` is never read
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CHKDF_HMAC_SHA256_L32 {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 12 |     prk: [u8; 32],
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HmacSha256` is never constructed
[INFO] [stdout]  --> src/hmac_sha256.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct HmacSha256 {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `write`, `new`, and `finalize` are never used
[INFO] [stdout]   --> src/hmac_sha256.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl HmacSha256 {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |
[INFO] [stdout] 19 |     pub fn write(&mut self, 
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn finalize(&mut self, hash: [u8; HMAC_SHA256_OUTPUT_SIZE])  {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `sigma1`
[INFO] [stdout]   --> src/hash.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 | macro_rules! sigma1 {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `sigma0`
[INFO] [stdout]   --> src/hash.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 | macro_rules! sigma0 {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `sigma1`
[INFO] [stdout]   --> src/hash.rs:62:14
[INFO] [stdout]    |
[INFO] [stdout] 62 | macro_rules! sigma1 {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `round`
[INFO] [stdout]   --> src/hash.rs:70:14
[INFO] [stdout]    |
[INFO] [stdout] 70 | macro_rules! round {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `CHKDF_HMAC_SHA256_L32` should have an upper camel case name
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CHKDF_HMAC_SHA256_L32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ChkdfHmacSha256L32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 100 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:110:26
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub fn sha256_initialize(hash: *mut Sha256)  {
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/hash.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         s:     *mut u32,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]    --> src/hash.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         chunk: *const u32)  {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         hash: *mut Sha256,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/hash.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         data: *const u8,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/hash.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |         len:  usize)  {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |         hash:  *mut Sha256,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out32`
[INFO] [stdout]    --> src/hash.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |         out32: *mut u8)  {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_out32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         hash:   *mut Sha256,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/hash.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         tag:    *const u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `taglen`
[INFO] [stdout]    --> src/hash.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         taglen: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_taglen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |         hash:   *mut HmacSha256,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/hash.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |         key:    *const u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keylen`
[INFO] [stdout]    --> src/hash.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         keylen: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_keylen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         hash: *mut HmacSha256,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/hash.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 328 |         data: *const u8,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/hash.rs:329:9
[INFO] [stdout]     |
[INFO] [stdout] 329 |         size: usize)  {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/hash.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |         hash:  *mut HmacSha256,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out32`
[INFO] [stdout]    --> src/hash.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |         out32: *mut u8)  {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_out32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/hash.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |         rng:    *mut Rfc6979HmacSha256,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/hash.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |         key:    *const u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keylen`
[INFO] [stdout]    --> src/hash.rs:354:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |         keylen: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_keylen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/hash.rs:389:9
[INFO] [stdout]     |
[INFO] [stdout] 389 |         rng:    *mut Rfc6979HmacSha256,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/hash.rs:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |         out:    *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `outlen`
[INFO] [stdout]    --> src/hash.rs:391:9
[INFO] [stdout]     |
[INFO] [stdout] 391 |         outlen: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_outlen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]    --> src/hash.rs:426:37
[INFO] [stdout]     |
[INFO] [stdout] 426 | pub fn rfc6979_hmac_sha256_finalize(rng: *mut Rfc6979HmacSha256)  {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/sha256.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         x: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/sha256.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         y: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/sha256.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         z: u32) -> u32 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/sha256.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         x: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/sha256.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         y: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/sha256.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         z: u32) -> u32 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/sha256.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[inline] pub fn sha256_sigma0(x: u32) -> u32 {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/sha256.rs:52:32
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[inline] pub fn sha256_sigma1(x: u32) -> u32 {
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/sha256.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         a: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/sha256.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         b: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/sha256.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         c: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> src/sha256.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         d: &mut u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/sha256.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         e: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/sha256.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         f: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/sha256.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         g: u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]   --> src/sha256.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         h: &mut u32,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/sha256.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         k: u32)  {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/sha256.rs:75:28
[INFO] [stdout]    |
[INFO] [stdout] 75 |     #[inline] fn my_sigma0(x: u32) -> u32 {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/sha256.rs:84:28
[INFO] [stdout]    |
[INFO] [stdout] 84 |     #[inline] fn my_sigma1(x: u32) -> u32 {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/sha256.rs:105:36
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[inline] pub fn sha256_initialize(s: *mut u32)  {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/sha256.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         s:      *mut u32,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]    --> src/sha256.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         chunk:  *const u8,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/sha256.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         blocks: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/sha256.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         out: *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_`
[INFO] [stdout]    --> src/sha256.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         in_: *const u8)  {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_in_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/sha256.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |         data: Box<dyn Iterator<Item=u8>>,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/sha256.rs:490:9
[INFO] [stdout]     |
[INFO] [stdout] 490 |         len:  usize) 
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/sha256.rs:496:9
[INFO] [stdout]     |
[INFO] [stdout] 496 |         data: *const u8,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/sha256.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         len:  usize) {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/sha256.rs:526:32
[INFO] [stdout]     |
[INFO] [stdout] 526 |     pub fn finalize(&mut self, hash: [u8; SHA256_OUTPUT_SIZE])  {
[INFO] [stdout]     |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/sha256.rs:573:9
[INFO] [stdout]     |
[INFO] [stdout] 573 |         out: *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_`
[INFO] [stdout]    --> src/sha256.rs:574:9
[INFO] [stdout]     |
[INFO] [stdout] 574 |         in_: *const u8)  {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_in_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/sha256.rs:583:9
[INFO] [stdout]     |
[INFO] [stdout] 583 |         out: *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_`
[INFO] [stdout]    --> src/sha256.rs:584:9
[INFO] [stdout]     |
[INFO] [stdout] 584 |         in_: *const u8)  {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_in_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/sha256.rs:593:9
[INFO] [stdout]     |
[INFO] [stdout] 593 |         out: *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_`
[INFO] [stdout]    --> src/sha256.rs:594:9
[INFO] [stdout]     |
[INFO] [stdout] 594 |         in_: *const u8)  {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_in_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/sha256.rs:603:9
[INFO] [stdout]     |
[INFO] [stdout] 603 |         s:      *mut u32,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]    --> src/sha256.rs:604:9
[INFO] [stdout]     |
[INFO] [stdout] 604 |         chunk:  *const u8,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/sha256.rs:605:9
[INFO] [stdout]     |
[INFO] [stdout] 605 |         blocks: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tr`
[INFO] [stdout]    --> src/sha256.rs:622:9
[INFO] [stdout]     |
[INFO] [stdout] 622 |         tr:  TransformType,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_tr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/sha256.rs:623:9
[INFO] [stdout]     |
[INFO] [stdout] 623 |         out: *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_`
[INFO] [stdout]    --> src/sha256.rs:624:9
[INFO] [stdout]     |
[INFO] [stdout] 624 |         in_: *const u8)  {
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_in_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out`
[INFO] [stdout]    --> src/sha256.rs:871:9
[INFO] [stdout]     |
[INFO] [stdout] 871 |         out:    *mut u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `in_`
[INFO] [stdout]    --> src/sha256.rs:872:9
[INFO] [stdout]     |
[INFO] [stdout] 872 |         in_:    *const u8,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_in_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/sha256.rs:873:9
[INFO] [stdout]     |
[INFO] [stdout] 873 |         blocks: usize)  {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/sha256.rs:915:22
[INFO] [stdout]     |
[INFO] [stdout] 915 | pub fn sha256uint256(input: &u256) -> u256 {
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ikm`
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         ikm:    *const u8,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_ikm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ikmlen`
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         ikmlen: usize,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_ikmlen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `salt`
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         salt:   &String) -> Self {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_salt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         info: &String,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         hash: [u8; CHKDF_HMAC_SHA256_L32_OUTPUT_SIZE])  {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/hmac_sha256.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         data: *const u8,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/hmac_sha256.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         len:  usize) -> &mut HmacSha256 {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/hmac_sha256.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         key:    *const u8,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keylen`
[INFO] [stdout]   --> src/hmac_sha256.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         keylen: usize) -> Self {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_keylen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]   --> src/hmac_sha256.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn finalize(&mut self, hash: [u8; HMAC_SHA256_OUTPUT_SIZE])  {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `inner` and `outer` are never read
[INFO] [stdout]  --> src/hash.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct HmacSha256 {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 6 |     inner: Sha256,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     outer: Sha256,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `v`, `k`, and `retry` are never read
[INFO] [stdout]   --> src/hash.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Rfc6979HmacSha256 {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 11 |     v:     [u8; 32],
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     k:     [u8; 32],
[INFO] [stdout]    |     ^
[INFO] [stdout] 13 |     retry: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_sigma0` is never used
[INFO] [stdout]   --> src/sha256.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |     #[inline] fn my_sigma0(x: u32) -> u32 {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_sigma1` is never used
[INFO] [stdout]   --> src/sha256.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 |     #[inline] fn my_sigma1(x: u32) -> u32 {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sha256_initialize` is never used
[INFO] [stdout]    --> src/sha256.rs:105:18
[INFO] [stdout]     |
[INFO] [stdout] 105 | #[inline] pub fn sha256_initialize(s: *mut u32)  {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sha256_transform` is never used
[INFO] [stdout]    --> src/sha256.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn sha256_transform(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `prk` is never read
[INFO] [stdout]   --> src/hkdf_sha256_32.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CHKDF_HMAC_SHA256_L32 {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 12 |     prk: [u8; 32],
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HmacSha256` is never constructed
[INFO] [stdout]  --> src/hmac_sha256.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct HmacSha256 {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `write`, `new`, and `finalize` are never used
[INFO] [stdout]   --> src/hmac_sha256.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl HmacSha256 {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 18 |
[INFO] [stdout] 19 |     pub fn write(&mut self, 
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn finalize(&mut self, hash: [u8; HMAC_SHA256_OUTPUT_SIZE])  {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 100 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "69aa91bf6114fe6d7ab0be4d67ed38aa0773b04bf1bf7d373e8818f4b9344c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69aa91bf6114fe6d7ab0be4d67ed38aa0773b04bf1bf7d373e8818f4b9344c74", kill_on_drop: false }`
[INFO] [stdout] 69aa91bf6114fe6d7ab0be4d67ed38aa0773b04bf1bf7d373e8818f4b9344c74
