[INFO] cloning repository https://github.com/memoriesadrift/mini-blockchain [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 }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoriesadrift%2Fmini-blockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e29a6bcbec816340ff3602e0d862700b6962cf76 [INFO] checking memoriesadrift/mini-blockchain against master#2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a for pr-145113 [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 2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/memoriesadrift/mini-blockchain already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded alloy-rlp v0.3.11 [INFO] [stderr] Downloaded serde_canonical_json v1.0.0 [INFO] [stderr] Downloaded auto_impl v1.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1017ca86e34411f0dda376c4ea5fc13454b2384eb7fc58304b06a98b87c95b96 [INFO] running `Command { std: "docker" "start" "-a" "1017ca86e34411f0dda376c4ea5fc13454b2384eb7fc58304b06a98b87c95b96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1017ca86e34411f0dda376c4ea5fc13454b2384eb7fc58304b06a98b87c95b96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1017ca86e34411f0dda376c4ea5fc13454b2384eb7fc58304b06a98b87c95b96", kill_on_drop: false }` [INFO] [stdout] 1017ca86e34411f0dda376c4ea5fc13454b2384eb7fc58304b06a98b87c95b96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" 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v1.2.0 [INFO] [stderr] Checking elliptic-curve v0.13.8 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking ecdsa v0.16.9 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking serde_canonical_json v1.0.0 [INFO] [stderr] Checking k256 v0.13.4 [INFO] [stderr] Checking tungstenite v0.21.0 [INFO] [stderr] Checking tokio-tungstenite v0.21.0 [INFO] [stderr] Checking hyper v0.14.32 [INFO] [stderr] Checking warp v0.3.7 [INFO] [stderr] Checking mini_blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `db` [INFO] [stdout] --> src/api/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | db: Arc, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_db` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_db` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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, 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:12:13 [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)]` 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, 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:12:13 [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)]` 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)]` 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 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn get_tx(&self, hash: &Hash) -> Option { [INFO] [stdout] | ^^^^^^ [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)]` 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 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn get_tx(&self, hash: &Hash) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 29s [INFO] running `Command { std: "docker" "inspect" "78ab67aa2d393f1fd686d0c0091a4c014c0ccd8134d63de90cc8030fd655cfcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78ab67aa2d393f1fd686d0c0091a4c014c0ccd8134d63de90cc8030fd655cfcd", kill_on_drop: false }` [INFO] [stdout] 78ab67aa2d393f1fd686d0c0091a4c014c0ccd8134d63de90cc8030fd655cfcd