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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/memoriesadrift/mini-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoriesadrift%2Fmini-blockchain", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e29a6bcbec816340ff3602e0d862700b6962cf76
[INFO] checking memoriesadrift/mini-blockchain against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoriesadrift%2Fmini-blockchain" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/memoriesadrift/mini-blockchain
[INFO] finished tweaking git repo https://github.com/memoriesadrift/mini-blockchain
[INFO] tweaked toml for git repo https://github.com/memoriesadrift/mini-blockchain written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/memoriesadrift/mini-blockchain on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
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[INFO] crate git repo https://github.com/memoriesadrift/mini-blockchain already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]   --> src/api/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     db: Arc<BlockchainDB>,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]   --> src/p2p/listener.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub async fn handle_peer(stream: TcpStream, db: Arc<BlockchainDB>, mut shutdown: broadcast::Receiver<()>) {
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `handshake_completed` is assigned to, but never used
[INFO] [stdout]   --> src/p2p/listener.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut handshake_completed = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_handshake_completed` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `handshake_completed` is never read
[INFO] [stdout]   --> src/p2p/listener.rs:44:33
[INFO] [stdout]    |
[INFO] [stdout] 44 | ...                   handshake_completed = true;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `hash` and `genesis` are never used
[INFO] [stdout]   --> src/models/block.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Block {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn hash(&self) -> Hash {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn genesis() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hash` is never used
[INFO] [stdout]   --> src/models/transaction.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Transaction {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 44 |     pub fn hash(&self) -> Hash {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SyntacticValidation` is never used
[INFO] [stdout]  --> src/models/syntactic_validation.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait SyntacticValidation {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_DIFFICULTY` is never used
[INFO] [stdout]  --> src/config.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const BLOCK_DIFFICULTY: usize = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COIN_DECIMALS` is never used
[INFO] [stdout]  --> src/config.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const COIN_DECIMALS: usize = 6;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COINBASE_REWARD` is never used
[INFO] [stdout]  --> src/config.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const COINBASE_REWARD: U256 = uint!(1000000_U256);
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mine_block` is never used
[INFO] [stdout]  --> src/miner/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn mine_block(block: &mut Block) -> &mut Block {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_blockhash` is never used
[INFO] [stdout]   --> src/miner/mod.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn is_valid_blockhash(hash: &Hash) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> src/storage/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BlockchainDB {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 6 |     db: Db,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `save_block`, `save_tx`, `get_block`, and `get_tx` are never used
[INFO] [stdout]   --> src/storage/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl BlockchainDB {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn save_block(&self, block: &Block) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn save_tx(&self, tx: &Transaction) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn get_block(&self, hash: &Hash) -> Option<Block> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn get_tx(&self, hash: &Hash) -> Option<Transaction> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]   --> src/api/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     db: Arc<BlockchainDB>,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]   --> src/p2p/listener.rs:10:45
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub async fn handle_peer(stream: TcpStream, db: Arc<BlockchainDB>, mut shutdown: broadcast::Receiver<()>) {
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `handshake_completed` is assigned to, but never used
[INFO] [stdout]   --> src/p2p/listener.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut handshake_completed = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_handshake_completed` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `handshake_completed` is never read
[INFO] [stdout]   --> src/p2p/listener.rs:44:33
[INFO] [stdout]    |
[INFO] [stdout] 44 | ...                   handshake_completed = true;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] [stdout] warning: associated items `hash` and `genesis` are never used
[INFO] [stdout]   --> src/models/block.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Block {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 18 |     pub fn hash(&self) -> Hash {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn genesis() -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hash` is never used
[INFO] [stdout]   --> src/models/transaction.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Transaction {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 44 |     pub fn hash(&self) -> Hash {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SyntacticValidation` is never used
[INFO] [stdout]  --> src/models/syntactic_validation.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait SyntacticValidation {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_DIFFICULTY` is never used
[INFO] [stdout]  --> src/config.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const BLOCK_DIFFICULTY: usize = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COIN_DECIMALS` is never used
[INFO] [stdout]  --> src/config.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const COIN_DECIMALS: usize = 6;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COINBASE_REWARD` is never used
[INFO] [stdout]  --> src/config.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const COINBASE_REWARD: U256 = uint!(1000000_U256);
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mine_block` is never used
[INFO] [stdout]  --> src/miner/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn mine_block(block: &mut Block) -> &mut Block {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_blockhash` is never used
[INFO] [stdout]   --> src/miner/mod.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn is_valid_blockhash(hash: &Hash) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> src/storage/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BlockchainDB {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 6 |     db: Db,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `save_block`, `save_tx`, `get_block`, and `get_tx` are never used
[INFO] [stdout]   --> src/storage/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl BlockchainDB {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn save_block(&self, block: &Block) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn save_tx(&self, tx: &Transaction) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn get_block(&self, hash: &Hash) -> Option<Block> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn get_tx(&self, hash: &Hash) -> Option<Transaction> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f6282a8efa092fdb78bef5555aca1d5af648ec5f3f232e0d9edf9c5f12dc642c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6282a8efa092fdb78bef5555aca1d5af648ec5f3f232e0d9edf9c5f12dc642c", kill_on_drop: false }`
[INFO] [stdout] f6282a8efa092fdb78bef5555aca1d5af648ec5f3f232e0d9edf9c5f12dc642c
