[INFO] cloning repository https://github.com/remylch/ola-chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remylch/ola-chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremylch%2Fola-chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremylch%2Fola-chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48bfd4d1c857334ead252ace4d3501a51006b862
[INFO] testing remylch/ola-chain against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremylch%2Fola-chain" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/remylch/ola-chain
[INFO] finished tweaking git repo https://github.com/remylch/ola-chain
[INFO] tweaked toml for git repo https://github.com/remylch/ola-chain written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/remylch/ola-chain on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/remylch/ola-chain 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-buffer v0.11.0-rc.4
[INFO] [stderr]   Downloaded crypto-common v0.2.0-rc.3
[INFO] [stderr]   Downloaded bitcoin-io v0.1.3
[INFO] [stderr]   Downloaded digest v0.11.0-rc.0
[INFO] [stderr]   Downloaded keccak v0.2.0-pre.0
[INFO] [stderr]   Downloaded hex-conservative v0.2.1
[INFO] [stderr]   Downloaded bitcoin_hashes v0.14.0
[INFO] [stderr]   Downloaded secp256k1 v0.31.1
[INFO] [stderr]   Downloaded const-oid v0.10.1
[INFO] [stderr]   Downloaded hybrid-array v0.3.1
[INFO] [stderr]   Downloaded sha3 v0.11.0-rc.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcad8b3c739eb1bd0023df62d5ac3490048bb20bf8d63534e35286b73e1cd62e
[INFO] running `Command { std: "docker" "start" "-a" "dcad8b3c739eb1bd0023df62d5ac3490048bb20bf8d63534e35286b73e1cd62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcad8b3c739eb1bd0023df62d5ac3490048bb20bf8d63534e35286b73e1cd62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcad8b3c739eb1bd0023df62d5ac3490048bb20bf8d63534e35286b73e1cd62e", kill_on_drop: false }`
[INFO] [stdout] dcad8b3c739eb1bd0023df62d5ac3490048bb20bf8d63534e35286b73e1cd62e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e913d86a77d5d39e0a6bda8797eabcfee762c0184f54bd89dec9c04d10fb9a07
[INFO] running `Command { std: "docker" "start" "-a" "e913d86a77d5d39e0a6bda8797eabcfee762c0184f54bd89dec9c04d10fb9a07", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling const-oid v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling keccak v0.2.0-pre.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling hybrid-array v0.3.1
[INFO] [stderr]    Compiling secp256k1-sys v0.11.0
[INFO] [stderr]    Compiling block-buffer v0.11.0-rc.4
[INFO] [stderr]    Compiling crypto-common v0.2.0-rc.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling digest v0.11.0-rc.0
[INFO] [stderr]    Compiling sha3 v0.11.0-rc.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling secp256k1 v0.31.1
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling OlaChain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/node.rs:128:19
[INFO] [stdout]     |
[INFO] [stdout] 128 |             match (self.connect_to_peer(peer)) {
[INFO] [stdout]     |                   ^                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 128 -             match (self.connect_to_peer(peer)) {
[INFO] [stdout] 128 +             match self.connect_to_peer(peer)  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]   --> src/hash.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn validate(hash: String) -> bool {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `validate` is never used
[INFO] [stdout]   --> src/hash.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Hash {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn validate(hash: String) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IoError`, `SerializationError`, `ValidationError`, and `DuplicateBlockError` are never constructed
[INFO] [stdout]   --> src/store.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum StoreError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 13 |     IoError(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     SerializationError(serde_json::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     ValidationError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     NoBlockToCreate(),
[INFO] [stdout] 17 |     DuplicateBlockError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StoreError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Signer` is never used
[INFO] [stdout]  --> src/transaction.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Signer {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `sign`, `verify_signature`, `is_valid`, and `calculate_hash` are never used
[INFO] [stdout]   --> src/transaction.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Transaction {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new(from: Address, to: Address, amount: u64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn sign(&mut self, private_key: &SecretKey) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn verify_signature(&self, public_key: PublicKey) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn calculate_hash(&self) -> [u8; 32] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `generate`, `from_public_key`, `is_valid`, `as_bytes`, and `keccak256` are never used
[INFO] [stdout]   --> src/address.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Address {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     pub fn generate() -> (Self, SecretKey, PublicKey) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn from_public_key(pub_key: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn as_bytes(&self) -> Option<Vec<u8>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn keccak256(data: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `current_block` is never read
[INFO] [stdout]   --> src/block_builder.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct BlockBuilder {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 10 |     transaction_pool: TransactionPool,
[INFO] [stdout] 11 |     current_block: Option<Block>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockBuilder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_transaction` and `get_pending_transaction_count` are never used
[INFO] [stdout]   --> src/block_builder.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl BlockBuilder {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn add_transaction(&mut self, transaction: Transaction) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn get_pending_transaction_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_transaction` is never used
[INFO] [stdout]   --> src/transaction_pool.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl TransactionPool {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn add_transaction(&mut self, transaction: Transaction) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.20s
[INFO] running `Command { std: "docker" "inspect" "e913d86a77d5d39e0a6bda8797eabcfee762c0184f54bd89dec9c04d10fb9a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e913d86a77d5d39e0a6bda8797eabcfee762c0184f54bd89dec9c04d10fb9a07", kill_on_drop: false }`
[INFO] [stdout] e913d86a77d5d39e0a6bda8797eabcfee762c0184f54bd89dec9c04d10fb9a07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 038472f449e153be6ff6ff2238595e0a2bf8d01db3b2a220a072a01cf1f1e55b
[INFO] running `Command { std: "docker" "start" "-a" "038472f449e153be6ff6ff2238595e0a2bf8d01db3b2a220a072a01cf1f1e55b", kill_on_drop: false }`
[INFO] [stderr]    Compiling OlaChain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/node.rs:128:19
[INFO] [stdout]     |
[INFO] [stdout] 128 |             match (self.connect_to_peer(peer)) {
[INFO] [stdout]     |                   ^                          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 128 -             match (self.connect_to_peer(peer)) {
[INFO] [stdout] 128 +             match self.connect_to_peer(peer)  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]   --> src/hash.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn validate(hash: String) -> bool {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IoError`, `SerializationError`, `ValidationError`, and `DuplicateBlockError` are never constructed
[INFO] [stdout]   --> src/store.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum StoreError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 13 |     IoError(std::io::Error),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     SerializationError(serde_json::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 |     ValidationError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 16 |     NoBlockToCreate(),
[INFO] [stdout] 17 |     DuplicateBlockError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StoreError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Signer` is never used
[INFO] [stdout]  --> src/transaction.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Signer {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `sign`, `verify_signature`, and `is_valid` are never used
[INFO] [stdout]   --> src/transaction.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Transaction {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn sign(&mut self, private_key: &SecretKey) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn verify_signature(&self, public_key: PublicKey) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `current_block` is never read
[INFO] [stdout]   --> src/block_builder.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct BlockBuilder {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 10 |     transaction_pool: TransactionPool,
[INFO] [stdout] 11 |     current_block: Option<Block>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockBuilder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_transaction` and `get_pending_transaction_count` are never used
[INFO] [stdout]   --> src/block_builder.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl BlockBuilder {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn add_transaction(&mut self, transaction: Transaction) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn get_pending_transaction_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_transaction` is never used
[INFO] [stdout]   --> src/transaction_pool.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl TransactionPool {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn add_transaction(&mut self, transaction: Transaction) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "038472f449e153be6ff6ff2238595e0a2bf8d01db3b2a220a072a01cf1f1e55b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038472f449e153be6ff6ff2238595e0a2bf8d01db3b2a220a072a01cf1f1e55b", kill_on_drop: false }`
[INFO] [stdout] 038472f449e153be6ff6ff2238595e0a2bf8d01db3b2a220a072a01cf1f1e55b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f505b8974bbb556cf9882a5361c8cf7db4fad48079d647d7bb291827b7ec36a9
[INFO] running `Command { std: "docker" "start" "-a" "f505b8974bbb556cf9882a5361c8cf7db4fad48079d647d7bb291827b7ec36a9", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]    --> src/node.rs:128:19
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 18 tests
[INFO] [stderr] 128 |             match (self.connect_to_peer(peer)) {
[INFO] [stderr]     |                   ^                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 128 -             match (self.connect_to_peer(peer)) {
[INFO] [stderr] 128 +             match self.connect_to_peer(peer)  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hash`
[INFO] [stderr]   --> src/hash.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn validate(hash: String) -> bool {
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `IoError`, `SerializationError`, `ValidationError`, and `DuplicateBlockError` are never constructed
[INFO] [stderr]   --> src/store.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub enum StoreError {
[INFO] [stderr]    |          ---------- variants in this enum
[INFO] [stderr] 13 |     IoError(std::io::Error),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 14 |     SerializationError(serde_json::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 15 |     ValidationError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 16 |     NoBlockToCreate(),
[INFO] [stderr] 17 |     DuplicateBlockError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `StoreError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Signer` is never used
[INFO] [stderr]  --> src/transaction.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub trait Signer {
[INFO] [stderr]   |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `sign`, `verify_signature`, and `is_valid` are never used
[INFO] [stderr]   --> src/transaction.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Transaction {
[INFO] [stderr]    | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn sign(&mut self, private_key: &SecretKey) -> Result<(), String> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 |     pub fn verify_signature(&self, public_key: PublicKey) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub fn is_valid(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `current_block` is never read
[INFO] [stderr]   --> src/block_builder.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct BlockBuilder {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 10 |     transaction_pool: TransactionPool,
[INFO] [stderr] 11 |     current_block: Option<Block>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BlockBuilder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `add_transaction` and `get_pending_transaction_count` are never used
[INFO] [stderr]   --> src/block_builder.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl BlockBuilder {
[INFO] [stderr]    | ----------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 31 |     pub fn add_transaction(&mut self, transaction: Transaction) -> Result<(), String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub fn get_pending_transaction_count(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `add_transaction` is never used
[INFO] [stderr]   --> src/transaction_pool.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl TransactionPool {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn add_transaction(&mut self, transaction: Transaction) -> Result<(), String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `OlaChain` (bin "OlaChain" test) generated 8 warnings (run `cargo fix --bin "OlaChain" -p OlaChain --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/OlaChain-df3300ba2c15d01f)
[INFO] [stdout] test address::tests::test_address_generation ... ok
[INFO] [stdout] test address::tests::test_address_validation ... ok
[INFO] [stdout] test address::tests::test_as_bytes ... ok
[INFO] [stdout] test address::tests::test_from_public_key ... ok
[INFO] [stdout] test address::tests::test_ethereum_compatibility ... ok
[INFO] [stdout] test address::tests::test_address_equality ... ok
[INFO] [stdout] test address::tests::test_from_public_key_without_prefix ... ok
[INFO] [stdout] test address::tests::test_keccak256_deterministic ... ok
[INFO] [stdout] test block::tests::test_block_hash_calculation ... ok
[INFO] [stdout] test block::tests::test_genesis_block ... ok
[INFO] [stdout] test address::tests::test_generation_produces_unique_addresses ... ok
[INFO] [stdout] test hash::tests::test_hash_from_bytes ... ok
[INFO] [stdout] test hash::tests::test_hash_from_bytes_deterministic ... ok
[INFO] [stdout] test hash::tests::test_hash_from_json_input ... ok
[INFO] [stdout] test block::tests::test_merkle_root_calculation ... ok
[INFO] [stdout] test block::tests::test_new_block ... ok
[INFO] [stdout] test hash::tests::test_hash_genesis ... ok
[INFO] [stdout] test hash::tests::test_hash_validate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f505b8974bbb556cf9882a5361c8cf7db4fad48079d647d7bb291827b7ec36a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f505b8974bbb556cf9882a5361c8cf7db4fad48079d647d7bb291827b7ec36a9", kill_on_drop: false }`
[INFO] [stdout] f505b8974bbb556cf9882a5361c8cf7db4fad48079d647d7bb291827b7ec36a9
