[INFO] cloning repository https://github.com/Sm1te/BlockChain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sm1te/BlockChain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSm1te%2FBlockChain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSm1te%2FBlockChain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 706a64f04fd652445acb0210a9aea82eb1172842
[INFO] checking Sm1te/BlockChain against nightly-2024-02-05 for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSm1te%2FBlockChain" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sm1te/BlockChain on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sm1te/BlockChain
[INFO] finished tweaking git repo https://github.com/Sm1te/BlockChain
[INFO] tweaked toml for git repo https://github.com/Sm1te/BlockChain written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Sm1te/BlockChain 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 85c345acae56def82fa6b3fc492936c549d622ab4ff00a2f68d1ea5f402acfef
[INFO] running `Command { std: "docker" "start" "-a" "85c345acae56def82fa6b3fc492936c549d622ab4ff00a2f68d1ea5f402acfef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85c345acae56def82fa6b3fc492936c549d622ab4ff00a2f68d1ea5f402acfef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c345acae56def82fa6b3fc492936c549d622ab4ff00a2f68d1ea5f402acfef", kill_on_drop: false }`
[INFO] [stdout] 85c345acae56def82fa6b3fc492936c549d622ab4ff00a2f68d1ea5f402acfef
[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_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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a83310f488f0bcdc024553e7bed4eb0aec00a2d3ed728c9b0a015ff9979c8a0
[INFO] running `Command { std: "docker" "start" "-a" "4a83310f488f0bcdc024553e7bed4eb0aec00a2d3ed728c9b0a015ff9979c8a0", kill_on_drop: false }`
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[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transaction`
[INFO] [stdout]  --> src/block.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::transaction::{self,Transaction, SignTransaction, generate_random_signed_transaction};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stdout]   --> src/block.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::distributions::Alphanumeric;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/block.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ring::digest`
[INFO] [stdout]  --> src/crypto/hash.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ring::digest;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transaction`
[INFO] [stdout]  --> src/miner.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::transaction::{self,Transaction, SignTransaction};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MerkleTree`
[INFO] [stdout]  --> src/miner.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::crypto::merkle::{MerkleTree};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdDSAParameters`
[INFO] [stdout]  --> src/transaction.rs:2:82
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]   |                                                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/transaction.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stdout]  --> src/transaction.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::distributions::Alphanumeric;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ED25519`, `UnparsedPublicKey`
[INFO] [stdout]   --> src/transaction.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ring::signature::{UnparsedPublicKey, ED25519};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transaction`
[INFO] [stdout]  --> src/block.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::transaction::{self,Transaction, SignTransaction, generate_random_signed_transaction};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stdout]   --> src/block.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::distributions::Alphanumeric;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/block.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/blockchain.rs:119:14
[INFO] [stdout]     |
[INFO] [stdout] 119 |         while(phash!=b){
[INFO] [stdout]     |              ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -         while(phash!=b){
[INFO] [stdout] 119 +         while phash!=b {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ring::digest`
[INFO] [stdout]  --> src/crypto/hash.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ring::digest;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transaction`
[INFO] [stdout]  --> src/miner.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::transaction::{self,Transaction, SignTransaction};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MerkleTree`
[INFO] [stdout]  --> src/miner.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::crypto::merkle::{MerkleTree};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdDSAParameters`
[INFO] [stdout]  --> src/transaction.rs:2:82
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]   |                                                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/transaction.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stdout]  --> src/transaction.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::distributions::Alphanumeric;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ED25519`, `UnparsedPublicKey`
[INFO] [stdout]   --> src/transaction.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ring::signature::{UnparsedPublicKey, ED25519};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude`
[INFO] [stdout]   --> src/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use chrono::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude`
[INFO] [stdout]  --> src/blockchain.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use chrono::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VerificationAlgorithm`
[INFO] [stdout]  --> src/transaction.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut nonce:u32 = thread_rng().gen();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut timestamp = SystemTime::now().duration_since(UNIX_EPOCH).expect("Time went backwards").as_millis();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut MerkleTree = MerkleTree::new(&transaction);
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude`
[INFO] [stdout]   --> src/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use chrono::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude`
[INFO] [stdout]  --> src/blockchain.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use chrono::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VerificationAlgorithm`
[INFO] [stdout]  --> src/transaction.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/crypto/merkle.rs:101:58
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool {
[INFO] [stdout]     |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_time`
[INFO] [stdout]    --> src/miner.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut next_time = 0.01;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_time_inc`
[INFO] [stdout]    --> src/miner.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let next_time_inc = 0.01;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_time_inc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut nonce:u32 = thread_rng().gen();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut timestamp = SystemTime::now().duration_since(UNIX_EPOCH).expect("Time went backwards").as_millis();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut MerkleTree = MerkleTree::new(&transaction);
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut next_time = 0.01;
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |             let mut length = self.blockchain.lock().unwrap().chain.keys().len();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/blockchain.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let mut res = result.reverse();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/blockchain.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut buffer: [u8; 32] = [0; 32];
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/blockchain.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let mut res = result.reverse();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/crypto/merkle.rs:101:58
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool {
[INFO] [stdout]     |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_time`
[INFO] [stdout]    --> src/miner.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut next_time = 0.01;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_time_inc`
[INFO] [stdout]    --> src/miner.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let next_time_inc = 0.01;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_time_inc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut next_time = 0.01;
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |             let mut length = self.blockchain.lock().unwrap().chain.keys().len();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `merkleRoot` should have a snake case name
[INFO] [stdout]   --> src/block.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub merkleRoot: H256,
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `merkle_root`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Header` should have a snake case name
[INFO] [stdout]   --> src/block.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub Header: Header,
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Content` should have a snake case name
[INFO] [stdout]   --> src/block.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub Content: Content,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MerkleTree` should have a snake case name
[INFO] [stdout]   --> src/block.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut MerkleTree = MerkleTree::new(&transaction);
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `merkle_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newHeader` should have a snake case name
[INFO] [stdout]   --> src/block.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let newHeader = Header{
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `new_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newContent` should have a snake case name
[INFO] [stdout]   --> src/block.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let newContent = Content{
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `new_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newBlock` should have a snake case name
[INFO] [stdout]   --> src/block.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let newBlock = Block{
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `new_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `merkleRoot` should have a snake case name
[INFO] [stdout]   --> src/block.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub merkleRoot: H256,
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `merkle_root`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Header` should have a snake case name
[INFO] [stdout]   --> src/block.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub Header: Header,
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Content` should have a snake case name
[INFO] [stdout]   --> src/block.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub Content: Content,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MerkleTree` should have a snake case name
[INFO] [stdout]   --> src/block.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut MerkleTree = MerkleTree::new(&transaction);
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `merkle_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newHeader` should have a snake case name
[INFO] [stdout]   --> src/block.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let newHeader = Header{
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `new_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newContent` should have a snake case name
[INFO] [stdout]   --> src/block.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let newContent = Content{
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `new_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newBlock` should have a snake case name
[INFO] [stdout]   --> src/block.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let newBlock = Block{
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `new_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.29s
[INFO] running `Command { std: "docker" "inspect" "4a83310f488f0bcdc024553e7bed4eb0aec00a2d3ed728c9b0a015ff9979c8a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a83310f488f0bcdc024553e7bed4eb0aec00a2d3ed728c9b0a015ff9979c8a0", kill_on_drop: false }`
[INFO] [stdout] 4a83310f488f0bcdc024553e7bed4eb0aec00a2d3ed728c9b0a015ff9979c8a0
[INFO] checking Sm1te/BlockChain against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSm1te%2FBlockChain" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sm1te/BlockChain on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sm1te/BlockChain
[INFO] finished tweaking git repo https://github.com/Sm1te/BlockChain
[INFO] tweaked toml for git repo https://github.com/Sm1te/BlockChain written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Sm1te/BlockChain 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 607f55205ac426d1a9a7ae81e2162300b1babc3e6c5b7122868e2124dd0c7233
[INFO] running `Command { std: "docker" "start" "-a" "607f55205ac426d1a9a7ae81e2162300b1babc3e6c5b7122868e2124dd0c7233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "607f55205ac426d1a9a7ae81e2162300b1babc3e6c5b7122868e2124dd0c7233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607f55205ac426d1a9a7ae81e2162300b1babc3e6c5b7122868e2124dd0c7233", kill_on_drop: false }`
[INFO] [stdout] 607f55205ac426d1a9a7ae81e2162300b1babc3e6c5b7122868e2124dd0c7233
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 89dc0b333b95a0ced58d6c56cfddb998c22dcc29ecdbc8fc683fb7430da138fc
[INFO] running `Command { std: "docker" "start" "-a" "89dc0b333b95a0ced58d6c56cfddb998c22dcc29ecdbc8fc683fb7430da138fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking strsim v0.8.0
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[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking itoa v0.4.4
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[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking vec_map v0.8.1
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[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transaction`
[INFO] [stdout]  --> src/block.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::transaction::{self,Transaction, SignTransaction, generate_random_signed_transaction};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stdout]   --> src/block.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::distributions::Alphanumeric;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/block.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `test_utilities`
[INFO] [stdout]    --> src/blockchain.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 | #[cfg(any(test, test_utilities))]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(test_utilities)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `test_utilities`
[INFO] [stdout]    --> src/blockchain.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |     #[cfg(any(test, test_utilities))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(test_utilities)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `test_utilities`
[INFO] [stdout]    --> src/crypto/hash.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 | #[cfg(any(test, test_utilities))]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(test_utilities)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ring::digest`
[INFO] [stdout]  --> src/crypto/hash.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ring::digest;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transaction`
[INFO] [stdout]  --> src/miner.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::transaction::{self,Transaction, SignTransaction};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MerkleTree`
[INFO] [stdout]  --> src/miner.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::crypto::merkle::{MerkleTree};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `test_utilities`
[INFO] [stdout]    --> src/transaction.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 | #[cfg(any(test, test_utilities))]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(test_utilities)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdDSAParameters`
[INFO] [stdout]  --> src/transaction.rs:2:82
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]   |                                                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/transaction.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stdout]  --> src/transaction.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::distributions::Alphanumeric;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ED25519`, `UnparsedPublicKey`
[INFO] [stdout]   --> src/transaction.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ring::signature::{UnparsedPublicKey, ED25519};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transaction`
[INFO] [stdout]  --> src/block.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::transaction::{self,Transaction, SignTransaction, generate_random_signed_transaction};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stdout]   --> src/block.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use rand::distributions::Alphanumeric;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/block.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `test_utilities`
[INFO] [stdout]    --> src/blockchain.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 | #[cfg(any(test, test_utilities))]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(test_utilities)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `test_utilities`
[INFO] [stdout]    --> src/blockchain.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |     #[cfg(any(test, test_utilities))]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(test_utilities)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]    --> src/blockchain.rs:119:14
[INFO] [stdout]     |
[INFO] [stdout] 119 |         while(phash!=b){
[INFO] [stdout]     |              ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -         while(phash!=b){
[INFO] [stdout] 119 +         while phash!=b {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `test_utilities`
[INFO] [stdout]    --> src/crypto/hash.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 | #[cfg(any(test, test_utilities))]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(test_utilities)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ring::digest`
[INFO] [stdout]  --> src/crypto/hash.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ring::digest;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transaction`
[INFO] [stdout]  --> src/miner.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::transaction::{self,Transaction, SignTransaction};
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MerkleTree`
[INFO] [stdout]  --> src/miner.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::crypto::merkle::{MerkleTree};
[INFO] [stdout]   |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `test_utilities`
[INFO] [stdout]    --> src/transaction.rs:111:17
[INFO] [stdout]     |
[INFO] [stdout] 111 | #[cfg(any(test, test_utilities))]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(test_utilities)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdDSAParameters`
[INFO] [stdout]  --> src/transaction.rs:2:82
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]   |                                                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/transaction.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::distributions::Alphanumeric`
[INFO] [stdout]  --> src/transaction.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::distributions::Alphanumeric;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ED25519`, `UnparsedPublicKey`
[INFO] [stdout]   --> src/transaction.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ring::signature::{UnparsedPublicKey, ED25519};
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude`
[INFO] [stdout]   --> src/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use chrono::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude`
[INFO] [stdout]  --> src/blockchain.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use chrono::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VerificationAlgorithm`
[INFO] [stdout]  --> src/transaction.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude`
[INFO] [stdout]   --> src/block.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use chrono::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude`
[INFO] [stdout]  --> src/blockchain.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use chrono::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VerificationAlgorithm`
[INFO] [stdout]  --> src/transaction.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut nonce:u32 = thread_rng().gen();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut timestamp = SystemTime::now().duration_since(UNIX_EPOCH).expect("Time went backwards").as_millis();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut MerkleTree = MerkleTree::new(&transaction);
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut nonce:u32 = thread_rng().gen();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut timestamp = SystemTime::now().duration_since(UNIX_EPOCH).expect("Time went backwards").as_millis();
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/block.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut MerkleTree = MerkleTree::new(&transaction);
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/blockchain.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let mut res = result.reverse();
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/blockchain.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let mut buffer: [u8; 32] = [0; 32];
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/blockchain.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let mut res = result.reverse();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/crypto/merkle.rs:101:58
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool {
[INFO] [stdout]     |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/crypto/merkle.rs:101:58
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn verify(root: &H256, datum: &H256, proof: &[H256], index: usize, leaf_size: usize) -> bool {
[INFO] [stdout]     |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_time`
[INFO] [stdout]    --> src/miner.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut next_time = 0.01;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_time_inc`
[INFO] [stdout]    --> src/miner.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let next_time_inc = 0.01;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_time_inc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut next_time = 0.01;
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |             let mut length = self.blockchain.lock().unwrap().chain.keys().len();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_time`
[INFO] [stdout]    --> src/miner.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut next_time = 0.01;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_time_inc`
[INFO] [stdout]    --> src/miner.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let next_time_inc = 0.01;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_time_inc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut next_time = 0.01;
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 171 |             let mut length = self.blockchain.lock().unwrap().chain.keys().len();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `merkleRoot` should have a snake case name
[INFO] [stdout]   --> src/block.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub merkleRoot: H256,
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `merkle_root`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Header` should have a snake case name
[INFO] [stdout]   --> src/block.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub Header: Header,
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Content` should have a snake case name
[INFO] [stdout]   --> src/block.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub Content: Content,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MerkleTree` should have a snake case name
[INFO] [stdout]   --> src/block.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut MerkleTree = MerkleTree::new(&transaction);
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `merkle_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newHeader` should have a snake case name
[INFO] [stdout]   --> src/block.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let newHeader = Header{
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `new_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newContent` should have a snake case name
[INFO] [stdout]   --> src/block.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let newContent = Content{
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `new_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newBlock` should have a snake case name
[INFO] [stdout]   --> src/block.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let newBlock = Block{
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `new_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `merkleRoot` should have a snake case name
[INFO] [stdout]   --> src/block.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub merkleRoot: H256,
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `merkle_root`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Header` should have a snake case name
[INFO] [stdout]   --> src/block.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub Header: Header,
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Content` should have a snake case name
[INFO] [stdout]   --> src/block.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub Content: Content,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MerkleTree` should have a snake case name
[INFO] [stdout]   --> src/block.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut MerkleTree = MerkleTree::new(&transaction);
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `merkle_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newHeader` should have a snake case name
[INFO] [stdout]   --> src/block.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let newHeader = Header{
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `new_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newContent` should have a snake case name
[INFO] [stdout]   --> src/block.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let newContent = Content{
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `new_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newBlock` should have a snake case name
[INFO] [stdout]   --> src/block.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let newBlock = Block{
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `new_block`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitcoin` (bin "bitcoin") due to 5 previous errors; 29 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitcoin` (bin "bitcoin" test) due to 5 previous errors; 32 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "89dc0b333b95a0ced58d6c56cfddb998c22dcc29ecdbc8fc683fb7430da138fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89dc0b333b95a0ced58d6c56cfddb998c22dcc29ecdbc8fc683fb7430da138fc", kill_on_drop: false }`
[INFO] [stdout] 89dc0b333b95a0ced58d6c56cfddb998c22dcc29ecdbc8fc683fb7430da138fc
