[INFO] cloning repository https://github.com/Kodylow/ecash-course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kodylow/ecash-course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKodylow%2Fecash-course", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54fd74a5ee528d4b14fc36ae725f0d157914721d
[INFO] checking Kodylow/ecash-course against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKodylow%2Fecash-course" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Kodylow/ecash-course
[INFO] finished tweaking git repo https://github.com/Kodylow/ecash-course
[INFO] tweaked toml for git repo https://github.com/Kodylow/ecash-course written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kodylow/ecash-course on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kodylow/ecash-course already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded subtle v2.6.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "f7c2be1eddde7ee42734d8c78b52b8b4134eee2cccd854b2b69f4f817be391b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c2be1eddde7ee42734d8c78b52b8b4134eee2cccd854b2b69f4f817be391b3", kill_on_drop: false }`
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[INFO] [stdout] 1b80ad00ca577e6e9ab6a3ba09017d7334c27ff2157216dd83a34cfd8df71341
[INFO] running `Command { std: "docker" "start" "-a" "1b80ad00ca577e6e9ab6a3ba09017d7334c27ff2157216dd83a34cfd8df71341", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.100
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[INFO] [stderr]     Checking cryptos_rs v0.1.0 (/opt/rustwide/workdir/projects/00-cryptos-rs)
[INFO] [stdout] warning: unused imports: `Mul` and `Rem`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/keys.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Mul, Rem};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ripemd160::ripemd160`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/keys.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::ripemd160::ripemd160;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/ru256.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Mul, Neg, Rem, Sub};
[INFO] [stdout]   |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `primitive_types::U256`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/secp256k1.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use primitive_types::U256;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Secp256k1` and `SecretKey`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/secp256k1.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use secp256k1::{PublicKey, Secp256k1, SecretKey};
[INFO] [stdout]   |                            ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bitcoin::BITCOIN`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/transaction.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::bitcoin::BITCOIN;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Mul` and `Rem`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/keys.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Mul, Rem};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ripemd160::ripemd160`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/keys.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::ripemd160::ripemd160;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/ru256.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Mul, Neg, Rem, Sub};
[INFO] [stdout]   |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `primitive_types::U256`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/secp256k1.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use primitive_types::U256;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::bitcoin::BITCOIN`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/transaction.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::bitcoin::BITCOIN;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> projects/00-cryptos-rs/src/bitcoin.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let p = SECP256K1::p();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> projects/00-cryptos-rs/src/bitcoin.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let a = RU256::zero();
[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]   --> projects/00-cryptos-rs/src/bitcoin.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let b = RU256::from_u64(7);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> projects/00-cryptos-rs/src/keys.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn decode(b: &[u8]) -> Point {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compressed`
[INFO] [stdout]   --> projects/00-cryptos-rs/src/keys.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn encode(&self, compressed: bool, hash160: bool) -> Vec<u8> {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compressed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash160`
[INFO] [stdout]   --> projects/00-cryptos-rs/src/keys.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn encode(&self, compressed: bool, hash160: bool) -> Vec<u8> {
[INFO] [stdout]    |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash160`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> projects/00-cryptos-rs/src/secp256k1.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |             let mut adder = curve_point.clone();
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `script_override`
[INFO] [stdout]    --> projects/00-cryptos-rs/src/transaction.rs:167:26
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn encode(&self, script_override: Option<bool>) -> Vec<u8> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_script_override`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `GENESIS_BLOCK_MAIN` is never used
[INFO] [stdout]  --> projects/00-cryptos-rs/src/block.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | static GENESIS_BLOCK_MAIN: Lazy<Vec<u8>> = Lazy::new(|| {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `GENESIS_BLOCK_TEST` is never used
[INFO] [stdout]   --> projects/00-cryptos-rs/src/block.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | static GENESIS_BLOCK_TEST: Lazy<Vec<u8>> = Lazy::new(|| {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_int` is never used
[INFO] [stdout]   --> projects/00-cryptos-rs/src/block.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn decode_int(s: &mut Cursor<&Vec<u8>>, nbytes: usize) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_int` is never used
[INFO] [stdout]   --> projects/00-cryptos-rs/src/block.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn encode_int(i: u32, nbytes: usize) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bits_to_target` is never used
[INFO] [stdout]   --> projects/00-cryptos-rs/src/block.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn bits_to_target(bits: &[u8]) -> U256 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `target_to_bits` is never used
[INFO] [stdout]   --> projects/00-cryptos-rs/src/block.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn target_to_bits(target: U256) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_new_bits` is never used
[INFO] [stdout]   --> projects/00-cryptos-rs/src/block.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calculate_new_bits(prev_bits: &[u8], dt: u32) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]   --> projects/00-cryptos-rs/src/block.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | struct Block {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `decode`, `encode`, `id`, `target`, `difficulty`, and `validate` are never used
[INFO] [stdout]    --> projects/00-cryptos-rs/src/block.rs:79:8
[INFO] [stdout]     |
[INFO] [stdout]  78 | impl Block {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout]  79 |     fn decode(s: &mut Cursor<&Vec<u8>>) -> Block {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn encode(&self) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn id(&self) -> String {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn target(&self) -> U256 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn difficulty(&self) -> U256 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn validate(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cache` is never read
[INFO] [stdout]   --> projects/00-cryptos-rs/src/transaction.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct TxFetcher {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     cache: HashMap<String, Tx>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `G` should have a snake case name
[INFO] [stdout]   --> projects/00-cryptos-rs/src/bitcoin.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub G: Point,
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `g`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> projects/00-cryptos-rs/src/bitcoin.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let p = SECP256K1::p();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> projects/00-cryptos-rs/src/bitcoin.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let a = RU256::zero();
[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]   --> projects/00-cryptos-rs/src/bitcoin.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let b = RU256::from_u64(7);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SecretKey`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/main.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 6 | use secp256k1::{PublicKey, Secp256k1, SecretKey};
[INFO] [stdout]   |                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SecretKey`
[INFO] [stdout]  --> projects/00-cryptos-rs/src/main.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 6 | use secp256k1::{PublicKey, Secp256k1, SecretKey};
[INFO] [stdout]   |                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> projects/00-cryptos-rs/examples/verify_precomputes.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secp`
[INFO] [stdout]   --> projects/00-cryptos-rs/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let secp = Secp256k1::new();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_secp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> projects/00-cryptos-rs/src/keys.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn decode(b: &[u8]) -> Point {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compressed`
[INFO] [stdout]   --> projects/00-cryptos-rs/src/keys.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn encode(&self, compressed: bool, hash160: bool) -> Vec<u8> {
[INFO] [stdout]    |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compressed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash160`
[INFO] [stdout]   --> projects/00-cryptos-rs/src/keys.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn encode(&self, compressed: bool, hash160: bool) -> Vec<u8> {
[INFO] [stdout]    |                                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hash160`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secp`
[INFO] [stdout]   --> projects/00-cryptos-rs/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let secp = Secp256k1::new();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_secp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `net`
[INFO] [stdout]    --> projects/00-cryptos-rs/src/keys.rs:194:10
[INFO] [stdout]     |
[INFO] [stdout] 194 |     for (net, compressed, secret_key, address) in tests.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_net`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> projects/00-cryptos-rs/src/secp256k1.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |             let mut adder = curve_point.clone();
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `script_override`
[INFO] [stdout]    --> projects/00-cryptos-rs/src/transaction.rs:167:26
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn encode(&self, script_override: Option<bool>) -> Vec<u8> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_script_override`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `GENESIS_BLOCK_TEST` is never used
[INFO] [stdout]   --> projects/00-cryptos-rs/src/block.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | static GENESIS_BLOCK_TEST: Lazy<Vec<u8>> = Lazy::new(|| {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cache` is never read
[INFO] [stdout]   --> projects/00-cryptos-rs/src/transaction.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct TxFetcher {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     cache: HashMap<String, Tx>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `G` should have a snake case name
[INFO] [stdout]   --> projects/00-cryptos-rs/src/bitcoin.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub G: Point,
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `g`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.01s
[INFO] running `Command { std: "docker" "inspect" "1b80ad00ca577e6e9ab6a3ba09017d7334c27ff2157216dd83a34cfd8df71341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b80ad00ca577e6e9ab6a3ba09017d7334c27ff2157216dd83a34cfd8df71341", kill_on_drop: false }`
[INFO] [stdout] 1b80ad00ca577e6e9ab6a3ba09017d7334c27ff2157216dd83a34cfd8df71341
