[INFO] cloning repository https://github.com/justinxu9905/ece598pv-Principles-of-Blockchains
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinxu9905/ece598pv-Principles-of-Blockchains" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinxu9905%2Fece598pv-Principles-of-Blockchains", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinxu9905%2Fece598pv-Principles-of-Blockchains'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cd10373daaa309a4d074d329362ca9d64ec7993
[INFO] testing justinxu9905/ece598pv-Principles-of-Blockchains against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinxu9905%2Fece598pv-Principles-of-Blockchains" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinxu9905/ece598pv-Principles-of-Blockchains on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justinxu9905/ece598pv-Principles-of-Blockchains
[INFO] finished tweaking git repo https://github.com/justinxu9905/ece598pv-Principles-of-Blockchains
[INFO] tweaked toml for git repo https://github.com/justinxu9905/ece598pv-Principles-of-Blockchains written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/justinxu9905/ece598pv-Principles-of-Blockchains 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/blockchain/mod.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::block::{self, *};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/blockchain/mod.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/blockchain/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::IteratorRandom`
[INFO] [stdout]  --> src/blockchain/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::seq::IteratorRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::address::Address`
[INFO] [stdout]  --> src/blockchain/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::types::address::Address;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]  --> src/miner/worker.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::hash::{Hashable, H256};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sender`, `TryRecvError`, `unbounded`
[INFO] [stdout]  --> src/miner/worker.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crossbeam::channel::{unbounded, Receiver, Sender, TryRecvError};
[INFO] [stdout]   |                          ^^^^^^^^^            ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/miner/worker.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/miner/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::blockchain::{self, *};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]   --> src/miner/mod.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::types::hash::{Hashable, H256};
[INFO] [stdout]    |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SignedTransaction`, `Transaction`
[INFO] [stdout]   --> src/network/worker.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::types::transaction::{self, Transaction, SignedTransaction};
[INFO] [stdout]    |                                       ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/types/block.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::merkle::MerkleTree`
[INFO] [stdout]  --> src/types/block.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::types::merkle::MerkleTree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]  --> src/types/block.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/types/merkle.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ring::digest::{Context};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdDSAParameters`
[INFO] [stdout]  --> src/types/transaction.rs:2:82
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/types/transaction.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{Rng, thread_rng};
[INFO] [stdout]   |            ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/types/transaction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/types/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ED25519`, `EdDSAParameters`, `Signature`, `UnparsedPublicKey`, `VerificationAlgorithm`
[INFO] [stdout]  --> src/tx_gen/mod.rs:2:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                       ^^^^^^^^^           ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/tx_gen/mod.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::blockchain::{self, *};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Block`, `Content`, `Header`
[INFO] [stdout]  --> src/tx_gen/mod.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::types::block::{Block, Content, Header};
[INFO] [stdout]   |                           ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::merkle::MerkleTree`
[INFO] [stdout]  --> src/tx_gen/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::merkle::MerkleTree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]  --> src/tx_gen/mod.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]   --> src/tx_gen/mod.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::types::hash::{Hashable, H256};
[INFO] [stdout]    |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]   --> src/tx_gen/mod.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::{Rng, thread_rng};
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ring::agreement::PublicKey`
[INFO] [stdout]   --> src/tx_gen/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use ring::agreement::PublicKey;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `transaction`
[INFO] [stdout]   --> src/tx_gen/mod.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::types::{key_pair, transaction};
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::FutureExt`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use futures::FutureExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyPair`
[INFO] [stdout]  --> src/types/transaction.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VerificationAlgorithm`
[INFO] [stdout]  --> src/types/transaction.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/blockchain/mod.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut tx_data: Vec<SignedTransaction> = Vec::new();
[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/blockchain/mod.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut tip: H256 = genesis.hash();
[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/mod.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut max_len: u128 = 1;
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/blockchain/mod.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         for i in 0..self.max_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/blockchain/mod.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for i in 0..self.max_len{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner/mod.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut blockchain_ = self.blockchain.lock().unwrap();
[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/mod.rs:188:25
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     let mut block = Block {
[INFO] [stdout]     |                         ----^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/network/worker.rs:245:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `left_new_blocks` is never read
[INFO] [stdout]    --> src/network/worker.rs:173:29
[INFO] [stdout]     |
[INFO] [stdout] 173 |                     let mut left_new_blocks: Vec<H256> = vec![];
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_txs`
[INFO] [stdout]    --> src/network/worker.rs:237:29
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut new_txs: Vec<H256> = vec![];
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/worker.rs:211:25
[INFO] [stdout]     |
[INFO] [stdout] 211 |                     let mut mempool = self.mempool.lock().unwrap();
[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/network/worker.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     let mut mempool = self.mempool.lock().unwrap();
[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/network/worker.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut new_txs: Vec<H256> = vec![];
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `loop_time` is never read
[INFO] [stdout]    --> src/tx_gen/mod.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mut loop_time: usize = 1;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nonce_and_balance`
[INFO] [stdout]    --> src/tx_gen/mod.rs:219:27
[INFO] [stdout]     |
[INFO] [stdout] 219 |             for (account, nonce_and_balance) in latest_state.state.iter() {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nonce_and_balance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tx_gen/mod.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |             let mut loop_time = rng.gen_range(0..latest_state.state.keys().len());
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mempool` is never read
[INFO] [stdout]   --> src/api/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Server {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     mempool: Arc<Mutex<Mempool>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mempool` and `key_pair` are never read
[INFO] [stdout]   --> src/tx_gen/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Context {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     mempool: Arc<Mutex<Mempool>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 40 |     state_per_block: Arc<Mutex<StatePerBlock>>,
[INFO] [stdout] 41 |     key_pair: Ed25519KeyPair,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/miner/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         drop(difficulty_);
[INFO] [stdout]     |         ^^^^^-----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `H256`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/miner/mod.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         drop(parent_);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `H256`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]   --> src/network/worker.rs:94:41
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 Message::NewBlockHashes(hashVec) => {
[INFO] [stdout]    |                                         ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:107:36
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 Message::GetBlocks(hashVec) => {
[INFO] [stdout]     |                                    ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `blockVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 Message::Blocks(blockVec) => {
[INFO] [stdout]     |                                 ^^^^^^^^ help: convert the identifier to snake case: `block_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:209:47
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 Message::NewTransactionHashes(hashVec) => {
[INFO] [stdout]     |                                               ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 Message::GetTransactions(hashVec) => {
[INFO] [stdout]     |                                          ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `txVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:235:39
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 Message::Transactions(txVec) => {
[INFO] [stdout]     |                                       ^^^^^ help: convert the identifier to snake case: `tx_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 57 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "b39806867fd2f4bb7211bee80ba1ceeeeb56fdf1e965eaf126aee690e98f6811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b39806867fd2f4bb7211bee80ba1ceeeeb56fdf1e965eaf126aee690e98f6811", kill_on_drop: false }`
[INFO] [stdout] b39806867fd2f4bb7211bee80ba1ceeeeb56fdf1e965eaf126aee690e98f6811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5d906f7991bab7c76de8c60d54c226f41fda637ce2010732974918f3cd993bb
[INFO] running `Command { std: "docker" "start" "-a" "a5d906f7991bab7c76de8c60d54c226f41fda637ce2010732974918f3cd993bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.7.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ntest_test_cases v0.7.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ntest_timeout v0.7.3
[INFO] [stderr]    Compiling ntest v0.7.3
[INFO] [stderr]    Compiling bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/blockchain/mod.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::block::{self, *};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/blockchain/mod.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/blockchain/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::IteratorRandom`
[INFO] [stdout]  --> src/blockchain/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::seq::IteratorRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::address::Address`
[INFO] [stdout]  --> src/blockchain/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::types::address::Address;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]  --> src/miner/worker.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::hash::{Hashable, H256};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sender`, `TryRecvError`, `unbounded`
[INFO] [stdout]  --> src/miner/worker.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crossbeam::channel::{unbounded, Receiver, Sender, TryRecvError};
[INFO] [stdout]   |                          ^^^^^^^^^            ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/miner/worker.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/miner/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::blockchain::{self, *};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]   --> src/miner/mod.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::types::hash::{Hashable, H256};
[INFO] [stdout]    |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SignedTransaction`, `Transaction`
[INFO] [stdout]   --> src/network/worker.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::types::transaction::{self, Transaction, SignedTransaction};
[INFO] [stdout]    |                                       ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::peer::TestReceiver as PeerTestReceiver`
[INFO] [stdout]   --> src/network/worker.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::peer::TestReceiver as PeerTestReceiver;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::server::TestReceiver as ServerTestReceiver`
[INFO] [stdout]   --> src/network/worker.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use super::server::TestReceiver as ServerTestReceiver;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/types/merkle.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ring::digest::{Context};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdDSAParameters`
[INFO] [stdout]  --> src/types/transaction.rs:2:82
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/types/transaction.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{Rng, thread_rng};
[INFO] [stdout]   |            ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/types/transaction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/types/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ED25519`, `EdDSAParameters`, `Signature`, `UnparsedPublicKey`, `VerificationAlgorithm`
[INFO] [stdout]  --> src/tx_gen/mod.rs:2:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                       ^^^^^^^^^           ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/tx_gen/mod.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::blockchain::{self, *};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Block`, `Content`, `Header`
[INFO] [stdout]  --> src/tx_gen/mod.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::types::block::{Block, Content, Header};
[INFO] [stdout]   |                           ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::merkle::MerkleTree`
[INFO] [stdout]  --> src/tx_gen/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::merkle::MerkleTree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]  --> src/tx_gen/mod.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]   --> src/tx_gen/mod.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::types::hash::{Hashable, H256};
[INFO] [stdout]    |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]   --> src/tx_gen/mod.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::{Rng, thread_rng};
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ring::agreement::PublicKey`
[INFO] [stdout]   --> src/tx_gen/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use ring::agreement::PublicKey;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `transaction`
[INFO] [stdout]   --> src/tx_gen/mod.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::types::{key_pair, transaction};
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::FutureExt`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use futures::FutureExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyPair`
[INFO] [stdout]  --> src/types/transaction.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VerificationAlgorithm`
[INFO] [stdout]  --> src/types/transaction.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/blockchain/mod.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut tx_data: Vec<SignedTransaction> = Vec::new();
[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/blockchain/mod.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut tip: H256 = genesis.hash();
[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/mod.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut max_len: u128 = 1;
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/blockchain/mod.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         for i in 0..self.max_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/blockchain/mod.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for i in 0..self.max_len{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner/mod.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut blockchain_ = self.blockchain.lock().unwrap();
[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/mod.rs:188:25
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     let mut block = Block {
[INFO] [stdout]     |                         ----^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/network/worker.rs:245:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `left_new_blocks` is never read
[INFO] [stdout]    --> src/network/worker.rs:173:29
[INFO] [stdout]     |
[INFO] [stdout] 173 |                     let mut left_new_blocks: Vec<H256> = vec![];
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_txs`
[INFO] [stdout]    --> src/network/worker.rs:237:29
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut new_txs: Vec<H256> = vec![];
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/worker.rs:211:25
[INFO] [stdout]     |
[INFO] [stdout] 211 |                     let mut mempool = self.mempool.lock().unwrap();
[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/network/worker.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     let mut mempool = self.mempool.lock().unwrap();
[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/network/worker.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut new_txs: Vec<H256> = vec![];
[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/types/block.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut t_vec: Vec<SignedTransaction> = Vec::new();
[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/types/block.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut merkle_tree = MerkleTree::new(&t_vec);
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `loop_time` is never read
[INFO] [stdout]    --> src/tx_gen/mod.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mut loop_time: usize = 1;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nonce_and_balance`
[INFO] [stdout]    --> src/tx_gen/mod.rs:219:27
[INFO] [stdout]     |
[INFO] [stdout] 219 |             for (account, nonce_and_balance) in latest_state.state.iter() {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nonce_and_balance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tx_gen/mod.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |             let mut loop_time = rng.gen_range(0..latest_state.state.keys().len());
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mempool` is never read
[INFO] [stdout]   --> src/api/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Server {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     mempool: Arc<Mutex<Mempool>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mempool` and `key_pair` are never read
[INFO] [stdout]   --> src/tx_gen/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Context {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     mempool: Arc<Mutex<Mempool>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 40 |     state_per_block: Arc<Mutex<StatePerBlock>>,
[INFO] [stdout] 41 |     key_pair: Ed25519KeyPair,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/miner/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         drop(difficulty_);
[INFO] [stdout]     |         ^^^^^-----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `H256`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/miner/mod.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         drop(parent_);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `H256`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]   --> src/network/worker.rs:94:41
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 Message::NewBlockHashes(hashVec) => {
[INFO] [stdout]    |                                         ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:107:36
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 Message::GetBlocks(hashVec) => {
[INFO] [stdout]     |                                    ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `blockVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 Message::Blocks(blockVec) => {
[INFO] [stdout]     |                                 ^^^^^^^^ help: convert the identifier to snake case: `block_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:209:47
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 Message::NewTransactionHashes(hashVec) => {
[INFO] [stdout]     |                                               ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 Message::GetTransactions(hashVec) => {
[INFO] [stdout]     |                                          ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `txVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:235:39
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 Message::Transactions(txVec) => {
[INFO] [stdout]     |                                       ^^^^^ help: convert the identifier to snake case: `tx_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "a5d906f7991bab7c76de8c60d54c226f41fda637ce2010732974918f3cd993bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d906f7991bab7c76de8c60d54c226f41fda637ce2010732974918f3cd993bb", kill_on_drop: false }`
[INFO] [stdout] a5d906f7991bab7c76de8c60d54c226f41fda637ce2010732974918f3cd993bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fc23bea056e6e063f61551f8ff114f2b90f7d0fc8dc289f6629271fa12dd23c
[INFO] running `Command { std: "docker" "start" "-a" "0fc23bea056e6e063f61551f8ff114f2b90f7d0fc8dc289f6629271fa12dd23c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/blockchain/mod.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::types::block::{self, *};
[INFO] [stderr]   |                           ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/blockchain/mod.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/blockchain/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::IteratorRandom`
[INFO] [stderr]  --> src/blockchain/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::seq::IteratorRandom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::types::address::Address`
[INFO] [stderr]  --> src/blockchain/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::types::address::Address;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `H256`
[INFO] [stderr]  --> src/miner/worker.rs:5:36
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::types::hash::{Hashable, H256};
[INFO] [stderr]   |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Sender`, `TryRecvError`, `unbounded`
[INFO] [stderr]  --> src/miner/worker.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crossbeam::channel::{unbounded, Receiver, Sender, TryRecvError};
[INFO] [stderr]   |                          ^^^^^^^^^            ^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]  --> src/miner/worker.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use log::{debug, info};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/miner/mod.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::blockchain::{self, *};
[INFO] [stderr]   |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `H256`
[INFO] [stderr]   --> src/miner/mod.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::types::hash::{Hashable, H256};
[INFO] [stderr]    |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SignedTransaction`, `Transaction`
[INFO] [stderr]   --> src/network/worker.rs:11:39
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::types::transaction::{self, Transaction, SignedTransaction};
[INFO] [stderr]    |                                       ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::peer::TestReceiver as PeerTestReceiver`
[INFO] [stderr]   --> src/network/worker.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use super::peer::TestReceiver as PeerTestReceiver;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::server::TestReceiver as ServerTestReceiver`
[INFO] [stderr]   --> src/network/worker.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use super::server::TestReceiver as ServerTestReceiver;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Context`
[INFO] [stderr]  --> src/types/merkle.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ring::digest::{Context};
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EdDSAParameters`
[INFO] [stderr]  --> src/types/transaction.rs:2:82
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stderr]   |                                                                                  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stderr]  --> src/types/transaction.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::{Rng, thread_rng};
[INFO] [stderr]   |            ^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/types/transaction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/types/state.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ED25519`, `EdDSAParameters`, `Signature`, `UnparsedPublicKey`, `VerificationAlgorithm`
[INFO] [stderr]  --> src/tx_gen/mod.rs:2:39
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stderr]   |                                       ^^^^^^^^^           ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/tx_gen/mod.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::blockchain::{self, *};
[INFO] [stderr]   |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Block`, `Content`, `Header`
[INFO] [stderr]  --> src/tx_gen/mod.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::types::block::{Block, Content, Header};
[INFO] [stderr]   |                           ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::types::merkle::MerkleTree`
[INFO] [stderr]  --> src/tx_gen/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::types::merkle::MerkleTree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stderr]  --> src/tx_gen/mod.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stderr]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `H256`
[INFO] [stderr]   --> src/tx_gen/mod.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::types::hash::{Hashable, H256};
[INFO] [stderr]    |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]   --> src/tx_gen/mod.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rand::{Rng, thread_rng};
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ring::agreement::PublicKey`
[INFO] [stderr]   --> src/tx_gen/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use ring::agreement::PublicKey;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `transaction`
[INFO] [stderr]   --> src/tx_gen/mod.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 | use crate::types::{key_pair, transaction};
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::FutureExt`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use futures::FutureExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `KeyPair`
[INFO] [stderr]  --> src/types/transaction.rs:2:50
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stderr]   |                                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `VerificationAlgorithm`
[INFO] [stderr]  --> src/types/transaction.rs:2:59
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stderr]   |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/blockchain/mod.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut tx_data: Vec<SignedTransaction> = Vec::new();
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/blockchain/mod.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let mut tip: H256 = genesis.hash();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/blockchain/mod.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let mut max_len: u128 = 1;
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/blockchain/mod.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         for i in 0..self.max_len {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/blockchain/mod.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |         for i in 0..self.max_len{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/miner/mod.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut blockchain_ = self.blockchain.lock().unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/miner/mod.rs:188:25
[INFO] [stderr]     |
[INFO] [stderr] 188 |                     let mut block = Block {
[INFO] [stderr]     |                         ----^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/network/worker.rs:245:17
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 _ => {}
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `left_new_blocks` is never read
[INFO] [stderr]    --> src/network/worker.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |                     let mut left_new_blocks: Vec<H256> = vec![];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_txs`
[INFO] [stderr]    --> src/network/worker.rs:237:29
[INFO] [stderr]     |
[INFO] [stderr] 237 |                     let mut new_txs: Vec<H256> = vec![];
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/network/worker.rs:211:25
[INFO] [stderr]     |
[INFO] [stderr] 211 |                     let mut mempool = self.mempool.lock().unwrap();
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/network/worker.rs:224:25
[INFO] [stderr]     |
[INFO] [stderr] 224 |                     let mut mempool = self.mempool.lock().unwrap();
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/network/worker.rs:237:25
[INFO] [stderr]     |
[INFO] [stderr] 237 |                     let mut new_txs: Vec<H256> = vec![];
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/types/block.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut t_vec: Vec<SignedTransaction> = Vec::new();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/types/block.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut merkle_tree = MerkleTree::new(&t_vec);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `loop_time` is never read
[INFO] [stderr]    --> src/tx_gen/mod.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let mut loop_time: usize = 1;
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nonce_and_balance`
[INFO] [stderr]    --> src/tx_gen/mod.rs:219:27
[INFO] [stderr]     |
[INFO] [stderr] 219 |             for (account, nonce_and_balance) in latest_state.state.iter() {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nonce_and_balance`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tx_gen/mod.rs:217:17
[INFO] [stderr]     |
[INFO] [stderr] 217 |             let mut loop_time = rng.gen_range(0..latest_state.state.keys().len());
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `mempool` is never read
[INFO] [stderr]   --> src/api/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct Server {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 25 |     mempool: Arc<Mutex<Mempool>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `mempool` and `key_pair` are never read
[INFO] [stderr]   --> src/tx_gen/mod.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct Context {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 39 |     mempool: Arc<Mutex<Mempool>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 40 |     state_per_block: Arc<Mutex<StatePerBlock>>,
[INFO] [stderr] 41 |     key_pair: Ed25519KeyPair,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/miner/mod.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         drop(difficulty_);
[INFO] [stderr]     |         ^^^^^-----------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `H256`
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/miner/mod.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         drop(parent_);
[INFO] [stderr]     |         ^^^^^-------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `H256`
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hashVec` should have a snake case name
[INFO] [stderr]   --> src/network/worker.rs:94:41
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 Message::NewBlockHashes(hashVec) => {
[INFO] [stderr]    |                                         ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hashVec` should have a snake case name
[INFO] [stderr]    --> src/network/worker.rs:107:36
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 Message::GetBlocks(hashVec) => {
[INFO] [stderr]     |                                    ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `blockVec` should have a snake case name
[INFO] [stderr]    --> src/network/worker.rs:120:33
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 Message::Blocks(blockVec) => {
[INFO] [stderr]     |                                 ^^^^^^^^ help: convert the identifier to snake case: `block_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hashVec` should have a snake case name
[INFO] [stderr]    --> src/network/worker.rs:209:47
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 Message::NewTransactionHashes(hashVec) => {
[INFO] [stderr]     |                                               ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hashVec` should have a snake case name
[INFO] [stderr]    --> src/network/worker.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |                 Message::GetTransactions(hashVec) => {
[INFO] [stderr]     |                                          ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `txVec` should have a snake case name
[INFO] [stderr]    --> src/network/worker.rs:235:39
[INFO] [stderr]     |
[INFO] [stderr] 235 |                 Message::Transactions(txVec) => {
[INFO] [stderr]     |                                       ^^^^^ help: convert the identifier to snake case: `tx_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: `bitcoin` (bin "bitcoin" test) generated 58 warnings (run `cargo fix --bin "bitcoin" --tests` to apply 42 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bitcoin-0a3d18601b09f740)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test types::address::test::from_a_test_key ... ok
[INFO] [stdout] test types::merkle::tests::merkle_root ... ok
[INFO] [stdout] test blockchain::tests::m0 ... ok
[INFO] [stdout] test types::merkle::tests::merkle_verifying ... ok
[INFO] [stdout] test types::merkle::tests::merkle_proof ... ok
[INFO] [stdout] test miner::test::miner_three_block has been running for over 60 seconds
[INFO] [stdout] test miner::test::miner_three_block ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- miner::test::miner_three_block stdout ----
[INFO] [stdout] thread 'miner::test::miner_three_block' panicked at src/miner/mod.rs:238:5:
[INFO] [stdout] timeout: the function call took 60000 ms. Max time 60000 ms
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d5ec1b2f06 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55d5ec1b2f06 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d5ec1b2f06 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55d5ec1b2f06 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d5ec1dbd90 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55d5ec1dbd90 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55d5ec1b096f - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55d5ec1b2ce4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55d5ec1b2ce4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55d5ec1b4a57 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55d5ec1b473d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55d5ec1184b7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55d5ec1184b7 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55d5ec1b5076 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55d5ec1b5076 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55d5ec1b4dc2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55d5ec1b3406 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55d5ec1b4b20 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55d5ec082135 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55d5ec0bba37 - bitcoin::miner::test::miner_three_block::h45760b929688cb9c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/miner/mod.rs:238:5
[INFO] [stdout]   20:     0x55d5ec0bb927 - bitcoin::miner::test::miner_three_block::{{closure}}::h7abff715e8838921
[INFO] [stdout]                                at /opt/rustwide/workdir/src/miner/mod.rs:239:27
[INFO] [stdout]   21:     0x55d5ec0b43e6 - core::ops::function::FnOnce::call_once::h11ca3fcaef0942c5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x55d5ec11dd8f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55d5ec11dd8f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   24:     0x55d5ec11cb11 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   25:     0x55d5ec11cb11 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x55d5ec11cb11 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   27:     0x55d5ec11cb11 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   28:     0x55d5ec11cb11 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x55d5ec11cb11 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   30:     0x55d5ec11cb11 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   31:     0x55d5ec0e3e46 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   32:     0x55d5ec0e3e46 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   33:     0x55d5ec0e8ea7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   34:     0x55d5ec0e8ea7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x55d5ec0e8ea7 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   36:     0x55d5ec0e8ea7 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   37:     0x55d5ec0e8ea7 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   38:     0x55d5ec0e8ea7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   39:     0x55d5ec0e8ea7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x55d5ec1b9b25 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   41:     0x55d5ec1b9b25 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x55d5ec1b9b25 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   43:     0x7f4b5eacbac3 - <unknown>
[INFO] [stdout]   44:     0x7f4b5eb5cbf4 - __clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     miner::test::miner_three_block
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 60.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin bitcoin`
[INFO] running `Command { std: "docker" "inspect" "0fc23bea056e6e063f61551f8ff114f2b90f7d0fc8dc289f6629271fa12dd23c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc23bea056e6e063f61551f8ff114f2b90f7d0fc8dc289f6629271fa12dd23c", kill_on_drop: false }`
[INFO] [stdout] 0fc23bea056e6e063f61551f8ff114f2b90f7d0fc8dc289f6629271fa12dd23c
[INFO] testing justinxu9905/ece598pv-Principles-of-Blockchains against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinxu9905%2Fece598pv-Principles-of-Blockchains" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinxu9905/ece598pv-Principles-of-Blockchains on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justinxu9905/ece598pv-Principles-of-Blockchains
[INFO] finished tweaking git repo https://github.com/justinxu9905/ece598pv-Principles-of-Blockchains
[INFO] tweaked toml for git repo https://github.com/justinxu9905/ece598pv-Principles-of-Blockchains written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/justinxu9905/ece598pv-Principles-of-Blockchains 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4665a4fd9cc045dbccfa816d89441af4046c0e84ebed91171eb382259dc09242
[INFO] running `Command { std: "docker" "start" "-a" "4665a4fd9cc045dbccfa816d89441af4046c0e84ebed91171eb382259dc09242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4665a4fd9cc045dbccfa816d89441af4046c0e84ebed91171eb382259dc09242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4665a4fd9cc045dbccfa816d89441af4046c0e84ebed91171eb382259dc09242", kill_on_drop: false }`
[INFO] [stdout] 4665a4fd9cc045dbccfa816d89441af4046c0e84ebed91171eb382259dc09242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b82998e785bbd325000281433d8dbdc24d164b04eddc15e0ddc43c9cebfc964
[INFO] running `Command { std: "docker" "start" "-a" "9b82998e785bbd325000281433d8dbdc24d164b04eddc15e0ddc43c9cebfc964", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/blockchain/mod.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::block::{self, *};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/blockchain/mod.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/blockchain/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::IteratorRandom`
[INFO] [stdout]  --> src/blockchain/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::seq::IteratorRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::address::Address`
[INFO] [stdout]  --> src/blockchain/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::types::address::Address;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]  --> src/miner/worker.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::hash::{Hashable, H256};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sender`, `TryRecvError`, `unbounded`
[INFO] [stdout]  --> src/miner/worker.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crossbeam::channel::{unbounded, Receiver, Sender, TryRecvError};
[INFO] [stdout]   |                          ^^^^^^^^^            ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/miner/worker.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/miner/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::blockchain::{self, *};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]   --> src/miner/mod.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::types::hash::{Hashable, H256};
[INFO] [stdout]    |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SignedTransaction`, `Transaction`
[INFO] [stdout]   --> src/network/worker.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::types::transaction::{self, Transaction, SignedTransaction};
[INFO] [stdout]    |                                       ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/types/block.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::merkle::MerkleTree`
[INFO] [stdout]  --> src/types/block.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::types::merkle::MerkleTree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]  --> src/types/block.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/types/merkle.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ring::digest::{Context};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdDSAParameters`
[INFO] [stdout]  --> src/types/transaction.rs:2:82
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/types/transaction.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{Rng, thread_rng};
[INFO] [stdout]   |            ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/types/transaction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/types/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ED25519`, `EdDSAParameters`, `Signature`, `UnparsedPublicKey`, `VerificationAlgorithm`
[INFO] [stdout]  --> src/tx_gen/mod.rs:2:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                       ^^^^^^^^^           ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/tx_gen/mod.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::blockchain::{self, *};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Block`, `Content`, `Header`
[INFO] [stdout]  --> src/tx_gen/mod.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::types::block::{Block, Content, Header};
[INFO] [stdout]   |                           ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::merkle::MerkleTree`
[INFO] [stdout]  --> src/tx_gen/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::merkle::MerkleTree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]  --> src/tx_gen/mod.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]   --> src/tx_gen/mod.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::types::hash::{Hashable, H256};
[INFO] [stdout]    |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]   --> src/tx_gen/mod.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::{Rng, thread_rng};
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ring::agreement::PublicKey`
[INFO] [stdout]   --> src/tx_gen/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use ring::agreement::PublicKey;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `transaction`
[INFO] [stdout]   --> src/tx_gen/mod.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::types::{key_pair, transaction};
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::FutureExt`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use futures::FutureExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyPair`
[INFO] [stdout]  --> src/types/transaction.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VerificationAlgorithm`
[INFO] [stdout]  --> src/types/transaction.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/blockchain/mod.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut tx_data: Vec<SignedTransaction> = Vec::new();
[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/blockchain/mod.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut tip: H256 = genesis.hash();
[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/mod.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut max_len: u128 = 1;
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/blockchain/mod.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         for i in 0..self.max_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/blockchain/mod.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for i in 0..self.max_len{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner/mod.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut blockchain_ = self.blockchain.lock().unwrap();
[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/mod.rs:188:25
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     let mut block = Block {
[INFO] [stdout]     |                         ----^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/network/worker.rs:245:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `left_new_blocks` is never read
[INFO] [stdout]    --> src/network/worker.rs:173:29
[INFO] [stdout]     |
[INFO] [stdout] 173 |                     let mut left_new_blocks: Vec<H256> = vec![];
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_txs`
[INFO] [stdout]    --> src/network/worker.rs:237:29
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut new_txs: Vec<H256> = vec![];
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/worker.rs:211:25
[INFO] [stdout]     |
[INFO] [stdout] 211 |                     let mut mempool = self.mempool.lock().unwrap();
[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/network/worker.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     let mut mempool = self.mempool.lock().unwrap();
[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/network/worker.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut new_txs: Vec<H256> = vec![];
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `loop_time` is never read
[INFO] [stdout]    --> src/tx_gen/mod.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mut loop_time: usize = 1;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nonce_and_balance`
[INFO] [stdout]    --> src/tx_gen/mod.rs:219:27
[INFO] [stdout]     |
[INFO] [stdout] 219 |             for (account, nonce_and_balance) in latest_state.state.iter() {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nonce_and_balance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tx_gen/mod.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |             let mut loop_time = rng.gen_range(0..latest_state.state.keys().len());
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mempool` is never read
[INFO] [stdout]   --> src/api/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Server {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     mempool: Arc<Mutex<Mempool>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mempool` and `key_pair` are never read
[INFO] [stdout]   --> src/tx_gen/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Context {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     mempool: Arc<Mutex<Mempool>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 40 |     state_per_block: Arc<Mutex<StatePerBlock>>,
[INFO] [stdout] 41 |     key_pair: Ed25519KeyPair,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/miner/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         drop(difficulty_);
[INFO] [stdout]     |         ^^^^^-----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `H256`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/miner/mod.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         drop(parent_);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `H256`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]   --> src/network/worker.rs:94:41
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 Message::NewBlockHashes(hashVec) => {
[INFO] [stdout]    |                                         ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:107:36
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 Message::GetBlocks(hashVec) => {
[INFO] [stdout]     |                                    ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `blockVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 Message::Blocks(blockVec) => {
[INFO] [stdout]     |                                 ^^^^^^^^ help: convert the identifier to snake case: `block_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:209:47
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 Message::NewTransactionHashes(hashVec) => {
[INFO] [stdout]     |                                               ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 Message::GetTransactions(hashVec) => {
[INFO] [stdout]     |                                          ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `txVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:235:39
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 Message::Transactions(txVec) => {
[INFO] [stdout]     |                                       ^^^^^ help: convert the identifier to snake case: `tx_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 57 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.12s
[INFO] running `Command { std: "docker" "inspect" "9b82998e785bbd325000281433d8dbdc24d164b04eddc15e0ddc43c9cebfc964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b82998e785bbd325000281433d8dbdc24d164b04eddc15e0ddc43c9cebfc964", kill_on_drop: false }`
[INFO] [stdout] 9b82998e785bbd325000281433d8dbdc24d164b04eddc15e0ddc43c9cebfc964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71fe07ce68b7f613d35522c25c8c849b679010cb568e2eb88bac5d55b42146d3
[INFO] running `Command { std: "docker" "start" "-a" "71fe07ce68b7f613d35522c25c8c849b679010cb568e2eb88bac5d55b42146d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.7.3
[INFO] [stderr]    Compiling ntest_test_cases v0.7.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ntest_timeout v0.7.3
[INFO] [stderr]    Compiling ntest v0.7.3
[INFO] [stderr]    Compiling bitcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/blockchain/mod.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::block::{self, *};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/blockchain/mod.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/blockchain/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::IteratorRandom`
[INFO] [stdout]  --> src/blockchain/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::seq::IteratorRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::address::Address`
[INFO] [stdout]  --> src/blockchain/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::types::address::Address;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]  --> src/miner/worker.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::hash::{Hashable, H256};
[INFO] [stdout]   |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sender`, `TryRecvError`, `unbounded`
[INFO] [stdout]  --> src/miner/worker.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crossbeam::channel::{unbounded, Receiver, Sender, TryRecvError};
[INFO] [stdout]   |                          ^^^^^^^^^            ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/miner/worker.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | use log::{debug, info};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/miner/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::blockchain::{self, *};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]   --> src/miner/mod.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::types::hash::{Hashable, H256};
[INFO] [stdout]    |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SignedTransaction`, `Transaction`
[INFO] [stdout]   --> src/network/worker.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::types::transaction::{self, Transaction, SignedTransaction};
[INFO] [stdout]    |                                       ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::peer::TestReceiver as PeerTestReceiver`
[INFO] [stdout]   --> src/network/worker.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use super::peer::TestReceiver as PeerTestReceiver;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::server::TestReceiver as ServerTestReceiver`
[INFO] [stdout]   --> src/network/worker.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use super::server::TestReceiver as ServerTestReceiver;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/types/merkle.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ring::digest::{Context};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdDSAParameters`
[INFO] [stdout]  --> src/types/transaction.rs:2:82
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                                                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stdout]  --> src/types/transaction.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{Rng, thread_rng};
[INFO] [stdout]   |            ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/types/transaction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/types/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ED25519`, `EdDSAParameters`, `Signature`, `UnparsedPublicKey`, `VerificationAlgorithm`
[INFO] [stdout]  --> src/tx_gen/mod.rs:2:39
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                       ^^^^^^^^^           ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/tx_gen/mod.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::blockchain::{self, *};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Block`, `Content`, `Header`
[INFO] [stdout]  --> src/tx_gen/mod.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::types::block::{Block, Content, Header};
[INFO] [stdout]   |                           ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::merkle::MerkleTree`
[INFO] [stdout]  --> src/tx_gen/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::merkle::MerkleTree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]  --> src/tx_gen/mod.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `H256`
[INFO] [stdout]   --> src/tx_gen/mod.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::types::hash::{Hashable, H256};
[INFO] [stdout]    |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]   --> src/tx_gen/mod.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::{Rng, thread_rng};
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ring::agreement::PublicKey`
[INFO] [stdout]   --> src/tx_gen/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use ring::agreement::PublicKey;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `transaction`
[INFO] [stdout]   --> src/tx_gen/mod.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::types::{key_pair, transaction};
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::FutureExt`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use futures::FutureExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyPair`
[INFO] [stdout]  --> src/types/transaction.rs:2:50
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VerificationAlgorithm`
[INFO] [stdout]  --> src/types/transaction.rs:2:59
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stdout]   |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/blockchain/mod.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut tx_data: Vec<SignedTransaction> = Vec::new();
[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/blockchain/mod.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut tip: H256 = genesis.hash();
[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/mod.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut max_len: u128 = 1;
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/blockchain/mod.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |         for i in 0..self.max_len {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/blockchain/mod.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         for i in 0..self.max_len{
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/miner/mod.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let mut blockchain_ = self.blockchain.lock().unwrap();
[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/mod.rs:188:25
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     let mut block = Block {
[INFO] [stdout]     |                         ----^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/network/worker.rs:245:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `left_new_blocks` is never read
[INFO] [stdout]    --> src/network/worker.rs:173:29
[INFO] [stdout]     |
[INFO] [stdout] 173 |                     let mut left_new_blocks: Vec<H256> = vec![];
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_txs`
[INFO] [stdout]    --> src/network/worker.rs:237:29
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut new_txs: Vec<H256> = vec![];
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/network/worker.rs:211:25
[INFO] [stdout]     |
[INFO] [stdout] 211 |                     let mut mempool = self.mempool.lock().unwrap();
[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/network/worker.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     let mut mempool = self.mempool.lock().unwrap();
[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/network/worker.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut new_txs: Vec<H256> = vec![];
[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/types/block.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut t_vec: Vec<SignedTransaction> = Vec::new();
[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/types/block.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut merkle_tree = MerkleTree::new(&t_vec);
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `loop_time` is never read
[INFO] [stdout]    --> src/tx_gen/mod.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mut loop_time: usize = 1;
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nonce_and_balance`
[INFO] [stdout]    --> src/tx_gen/mod.rs:219:27
[INFO] [stdout]     |
[INFO] [stdout] 219 |             for (account, nonce_and_balance) in latest_state.state.iter() {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nonce_and_balance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tx_gen/mod.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |             let mut loop_time = rng.gen_range(0..latest_state.state.keys().len());
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mempool` is never read
[INFO] [stdout]   --> src/api/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Server {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     mempool: Arc<Mutex<Mempool>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mempool` and `key_pair` are never read
[INFO] [stdout]   --> src/tx_gen/mod.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Context {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     mempool: Arc<Mutex<Mempool>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 40 |     state_per_block: Arc<Mutex<StatePerBlock>>,
[INFO] [stdout] 41 |     key_pair: Ed25519KeyPair,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/miner/mod.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |         drop(difficulty_);
[INFO] [stdout]     |         ^^^^^-----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `H256`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/miner/mod.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         drop(parent_);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `H256`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]   --> src/network/worker.rs:94:41
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 Message::NewBlockHashes(hashVec) => {
[INFO] [stdout]    |                                         ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:107:36
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 Message::GetBlocks(hashVec) => {
[INFO] [stdout]     |                                    ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `blockVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:120:33
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 Message::Blocks(blockVec) => {
[INFO] [stdout]     |                                 ^^^^^^^^ help: convert the identifier to snake case: `block_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:209:47
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 Message::NewTransactionHashes(hashVec) => {
[INFO] [stdout]     |                                               ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hashVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 Message::GetTransactions(hashVec) => {
[INFO] [stdout]     |                                          ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `txVec` should have a snake case name
[INFO] [stdout]    --> src/network/worker.rs:235:39
[INFO] [stdout]     |
[INFO] [stdout] 235 |                 Message::Transactions(txVec) => {
[INFO] [stdout]     |                                       ^^^^^ help: convert the identifier to snake case: `tx_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 58 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "71fe07ce68b7f613d35522c25c8c849b679010cb568e2eb88bac5d55b42146d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fe07ce68b7f613d35522c25c8c849b679010cb568e2eb88bac5d55b42146d3", kill_on_drop: false }`
[INFO] [stdout] 71fe07ce68b7f613d35522c25c8c849b679010cb568e2eb88bac5d55b42146d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3bf27976ea58aca3bc470efd8e3a0b99bfa6817ab21eaf97afe9500cbe799dc5
[INFO] running `Command { std: "docker" "start" "-a" "3bf27976ea58aca3bc470efd8e3a0b99bfa6817ab21eaf97afe9500cbe799dc5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/blockchain/mod.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::types::block::{self, *};
[INFO] [stderr]   |                           ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/blockchain/mod.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/blockchain/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::IteratorRandom`
[INFO] [stderr]  --> src/blockchain/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::seq::IteratorRandom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::types::address::Address`
[INFO] [stderr]  --> src/blockchain/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::types::address::Address;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `H256`
[INFO] [stderr]  --> src/miner/worker.rs:5:36
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::types::hash::{Hashable, H256};
[INFO] [stderr]   |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Sender`, `TryRecvError`, `unbounded`
[INFO] [stderr]  --> src/miner/worker.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crossbeam::channel::{unbounded, Receiver, Sender, TryRecvError};
[INFO] [stderr]   |                          ^^^^^^^^^            ^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]  --> src/miner/worker.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use log::{debug, info};
[INFO] [stderr]   |           ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/miner/mod.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::blockchain::{self, *};
[INFO] [stderr]   |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `H256`
[INFO] [stderr]   --> src/miner/mod.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::types::hash::{Hashable, H256};
[INFO] [stderr]    |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SignedTransaction`, `Transaction`
[INFO] [stderr]   --> src/network/worker.rs:11:39
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::types::transaction::{self, Transaction, SignedTransaction};
[INFO] [stderr]    |                                       ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::peer::TestReceiver as PeerTestReceiver`
[INFO] [stderr]   --> src/network/worker.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use super::peer::TestReceiver as PeerTestReceiver;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::server::TestReceiver as ServerTestReceiver`
[INFO] [stderr]   --> src/network/worker.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use super::server::TestReceiver as ServerTestReceiver;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Context`
[INFO] [stderr]  --> src/types/merkle.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ring::digest::{Context};
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EdDSAParameters`
[INFO] [stderr]  --> src/types/transaction.rs:2:82
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stderr]   |                                                                                  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng`, `thread_rng`
[INFO] [stderr]  --> src/types/transaction.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::{Rng, thread_rng};
[INFO] [stderr]   |            ^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/types/transaction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> src/types/state.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ED25519`, `EdDSAParameters`, `Signature`, `UnparsedPublicKey`, `VerificationAlgorithm`
[INFO] [stderr]  --> src/tx_gen/mod.rs:2:39
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stderr]   |                                       ^^^^^^^^^           ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/tx_gen/mod.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::blockchain::{self, *};
[INFO] [stderr]   |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Block`, `Content`, `Header`
[INFO] [stderr]  --> src/tx_gen/mod.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::types::block::{Block, Content, Header};
[INFO] [stderr]   |                           ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::types::merkle::MerkleTree`
[INFO] [stderr]  --> src/tx_gen/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::types::merkle::MerkleTree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stderr]  --> src/tx_gen/mod.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stderr]   |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `H256`
[INFO] [stderr]   --> src/tx_gen/mod.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::types::hash::{Hashable, H256};
[INFO] [stderr]    |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]   --> src/tx_gen/mod.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rand::{Rng, thread_rng};
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ring::agreement::PublicKey`
[INFO] [stderr]   --> src/tx_gen/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use ring::agreement::PublicKey;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `transaction`
[INFO] [stderr]   --> src/tx_gen/mod.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 | use crate::types::{key_pair, transaction};
[INFO] [stderr]    |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::FutureExt`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use futures::FutureExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `KeyPair`
[INFO] [stderr]  --> src/types/transaction.rs:2:50
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stderr]   |                                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `VerificationAlgorithm`
[INFO] [stderr]  --> src/types/transaction.rs:2:59
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ring::signature::{Ed25519KeyPair, Signature, KeyPair, VerificationAlgorithm, EdDSAParameters, UnparsedPublicKey, ED25519};
[INFO] [stderr]   |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/blockchain/mod.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut tx_data: Vec<SignedTransaction> = Vec::new();
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/blockchain/mod.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let mut tip: H256 = genesis.hash();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/blockchain/mod.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let mut max_len: u128 = 1;
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/blockchain/mod.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |         for i in 0..self.max_len {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/blockchain/mod.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |         for i in 0..self.max_len{
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/miner/mod.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut blockchain_ = self.blockchain.lock().unwrap();
[INFO] [stderr]     |             ----^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/miner/mod.rs:188:25
[INFO] [stderr]     |
[INFO] [stderr] 188 |                     let mut block = Block {
[INFO] [stderr]     |                         ----^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/network/worker.rs:245:17
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 _ => {}
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `left_new_blocks` is never read
[INFO] [stderr]    --> src/network/worker.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |                     let mut left_new_blocks: Vec<H256> = vec![];
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_txs`
[INFO] [stderr]    --> src/network/worker.rs:237:29
[INFO] [stderr]     |
[INFO] [stderr] 237 |                     let mut new_txs: Vec<H256> = vec![];
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/network/worker.rs:211:25
[INFO] [stderr]     |
[INFO] [stderr] 211 |                     let mut mempool = self.mempool.lock().unwrap();
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/network/worker.rs:224:25
[INFO] [stderr]     |
[INFO] [stderr] 224 |                     let mut mempool = self.mempool.lock().unwrap();
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/network/worker.rs:237:25
[INFO] [stderr]     |
[INFO] [stderr] 237 |                     let mut new_txs: Vec<H256> = vec![];
[INFO] [stderr]     |                         ----^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/types/block.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut t_vec: Vec<SignedTransaction> = Vec::new();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/types/block.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut merkle_tree = MerkleTree::new(&t_vec);
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `loop_time` is never read
[INFO] [stderr]    --> src/tx_gen/mod.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |         let mut loop_time: usize = 1;
[INFO] [stderr]     |                 ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nonce_and_balance`
[INFO] [stderr]    --> src/tx_gen/mod.rs:219:27
[INFO] [stderr]     |
[INFO] [stderr] 219 |             for (account, nonce_and_balance) in latest_state.state.iter() {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nonce_and_balance`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tx_gen/mod.rs:217:17
[INFO] [stderr]     |
[INFO] [stderr] 217 |             let mut loop_time = rng.gen_range(0..latest_state.state.keys().len());
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `mempool` is never read
[INFO] [stderr]   --> src/api/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct Server {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 25 |     mempool: Arc<Mutex<Mempool>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `mempool` and `key_pair` are never read
[INFO] [stderr]   --> src/tx_gen/mod.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct Context {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 39 |     mempool: Arc<Mutex<Mempool>>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 40 |     state_per_block: Arc<Mutex<StatePerBlock>>,
[INFO] [stderr] 41 |     key_pair: Ed25519KeyPair,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/miner/mod.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         drop(difficulty_);
[INFO] [stderr]     |         ^^^^^-----------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `H256`
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/miner/mod.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |         drop(parent_);
[INFO] [stderr]     |         ^^^^^-------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `H256`
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hashVec` should have a snake case name
[INFO] [stderr]   --> src/network/worker.rs:94:41
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 Message::NewBlockHashes(hashVec) => {
[INFO] [stderr]    |                                         ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hashVec` should have a snake case name
[INFO] [stderr]    --> src/network/worker.rs:107:36
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 Message::GetBlocks(hashVec) => {
[INFO] [stderr]     |                                    ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `blockVec` should have a snake case name
[INFO] [stderr]    --> src/network/worker.rs:120:33
[INFO] [stderr]     |
[INFO] [stderr] 120 |                 Message::Blocks(blockVec) => {
[INFO] [stderr]     |                                 ^^^^^^^^ help: convert the identifier to snake case: `block_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hashVec` should have a snake case name
[INFO] [stderr]    --> src/network/worker.rs:209:47
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 Message::NewTransactionHashes(hashVec) => {
[INFO] [stderr]     |                                               ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `hashVec` should have a snake case name
[INFO] [stderr]    --> src/network/worker.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |                 Message::GetTransactions(hashVec) => {
[INFO] [stderr]     |                                          ^^^^^^^ help: convert the identifier to snake case: `hash_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `txVec` should have a snake case name
[INFO] [stderr]    --> src/network/worker.rs:235:39
[INFO] [stderr]     |
[INFO] [stderr] 235 |                 Message::Transactions(txVec) => {
[INFO] [stderr]     |                                       ^^^^^ help: convert the identifier to snake case: `tx_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: `bitcoin` (bin "bitcoin" test) generated 58 warnings (run `cargo fix --bin "bitcoin" --tests` to apply 42 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bitcoin-05dfef7ed41aee4d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test types::address::test::from_a_test_key ... ok
[INFO] [stdout] test types::merkle::tests::merkle_root ... ok
[INFO] [stdout] test types::merkle::tests::merkle_proof ... ok
[INFO] [stdout] test blockchain::tests::m0 ... ok
[INFO] [stdout] test types::merkle::tests::merkle_verifying ... ok
[INFO] [stdout] test miner::test::miner_three_block has been running for over 60 seconds
[INFO] [stdout] test miner::test::miner_three_block ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- miner::test::miner_three_block stdout ----
[INFO] [stdout] thread 'miner::test::miner_three_block' panicked at src/miner/mod.rs:238:5:
[INFO] [stdout] timeout: the function call took 60000 ms. Max time 60000 ms
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56377b5ab7f6 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x56377b5ab7f6 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x56377b5ab7f6 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x56377b5ab7f6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x56377b5d44b0 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x56377b5d44b0 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x56377b5a904f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x56377b5ab5d4 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x56377b5ab5d4 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x56377b5ad347 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x56377b5ad02d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x56377b50e967 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x56377b50e967 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x56377b5ad966 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x56377b5ad966 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x56377b5ad6b2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x56377b5abcf6 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x56377b5ad404 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x56377b479bc5 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x56377b4a2fec - bitcoin::miner::test::miner_three_block::h6f2ee23487038344
[INFO] [stdout]                                at /opt/rustwide/workdir/src/miner/mod.rs:238:5
[INFO] [stdout]   20:     0x56377b4a2ed7 - bitcoin::miner::test::miner_three_block::{{closure}}::h2b3163147a14ebaf
[INFO] [stdout]                                at /opt/rustwide/workdir/src/miner/mod.rs:239:27
[INFO] [stdout]   21:     0x56377b4b86f6 - core::ops::function::FnOnce::call_once::hcac2755a9745b7f6
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x56377b51455f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56377b51455f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   24:     0x56377b513381 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   25:     0x56377b513381 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x56377b513381 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   27:     0x56377b513381 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   28:     0x56377b513381 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x56377b513381 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   30:     0x56377b513381 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   31:     0x56377b4da7e6 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   32:     0x56377b4da7e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   33:     0x56377b4df7a7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   34:     0x56377b4df7a7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x56377b4df7a7 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   36:     0x56377b4df7a7 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   37:     0x56377b4df7a7 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   38:     0x56377b4df7a7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   39:     0x56377b4df7a7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x56377b5b1d05 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   41:     0x56377b5b1d05 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x56377b5b1d05 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   43:     0x7fda13a6fac3 - <unknown>
[INFO] [stdout]   44:     0x7fda13b00bf4 - __clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     miner::test::miner_three_block
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 60.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin bitcoin`
[INFO] running `Command { std: "docker" "inspect" "3bf27976ea58aca3bc470efd8e3a0b99bfa6817ab21eaf97afe9500cbe799dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf27976ea58aca3bc470efd8e3a0b99bfa6817ab21eaf97afe9500cbe799dc5", kill_on_drop: false }`
[INFO] [stdout] 3bf27976ea58aca3bc470efd8e3a0b99bfa6817ab21eaf97afe9500cbe799dc5
