[INFO] fetching crate qudag-exchange 0.2.0...
[INFO] testing qudag-exchange-0.2.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate qudag-exchange 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate qudag-exchange 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate qudag-exchange 0.2.0
[INFO] tweaked toml for crates.io crate qudag-exchange 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate qudag-exchange 0.2.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qudag-exchange 0.2.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "4d615eb23df29844655cd961a476404e229b7cf740a45abee56931a3e31c9082", kill_on_drop: false }`
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[INFO] [stderr]    Compiling qudag-exchange v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ZeroizeOnDrop`
[INFO] [stdout]  --> src/error.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use zeroize::{Zeroize, ZeroizeOnDrop};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/lib.rs:156:30
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub async fn with_config(config: ExchangeConfig) -> Result<Self> {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:191:40
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub async fn create_account(&self, name: &str, password: &str) -> Result<Account> {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `password`
[INFO] [stdout]    --> src/lib.rs:191:52
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub async fn create_account(&self, name: &str, password: &str) -> Result<Account> {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `account`
[INFO] [stdout]    --> src/lib.rs:219:57
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub async fn get_balance<A: Into<AccountId>>(&self, account: A) -> Result<Balance> {
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_account`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transaction`
[INFO] [stdout]    --> src/lib.rs:262:44
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub async fn submit_transaction(&self, transaction: Transaction) -> Result<TransactionResult> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transaction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx_id`
[INFO] [stdout]    --> src/lib.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |         tx_id: &TransactionId,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `confirmations`
[INFO] [stdout]    --> src/lib.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         confirmations: Option<u32>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_confirmations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `force`
[INFO] [stdout]    --> src/lib.rs:548:30
[INFO] [stdout]     |
[INFO] [stdout] 548 |     pub async fn stop(&self, force: bool) -> Result<()> {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Exchange {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 87 |     inner: Arc<ExchangeInner>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Exchange` has a derived impl for the trait `Clone`, 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: fields `network`, `consensus`, `ledger`, and `config` are never read
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct ExchangeInner {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 91 |     network: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 92 |     consensus: ConsensusAdapter,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 93 |     ledger: Ledger,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 94 |     config: ExchangeConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]    --> src/lib.rs:471:5
[INFO] [stdout]     |
[INFO] [stdout] 470 | pub struct Provider {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 471 |     inner: Arc<ProviderInner>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `account` is never read
[INFO] [stdout]    --> src/lib.rs:475:5
[INFO] [stdout]     |
[INFO] [stdout] 474 | struct ProviderInner {
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] 475 |     account: Account,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `min_job_duration` is never read
[INFO] [stdout]    --> src/lib.rs:601:5
[INFO] [stdout]     |
[INFO] [stdout] 596 | pub struct ProviderBuilder {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 601 |     min_job_duration: Option<std::time::Duration>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exchange` is never read
[INFO] [stdout]    --> src/lib.rs:748:5
[INFO] [stdout]     |
[INFO] [stdout] 747 | pub struct Market {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 748 |     exchange: Exchange,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `Command { std: "docker" "inspect" "4d615eb23df29844655cd961a476404e229b7cf740a45abee56931a3e31c9082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d615eb23df29844655cd961a476404e229b7cf740a45abee56931a3e31c9082", kill_on_drop: false }`
[INFO] [stdout] 4d615eb23df29844655cd961a476404e229b7cf740a45abee56931a3e31c9082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef3c7fbb36d71bbc09b2b7da9b56235bcb6d11034114c615d0c7d20678a076f7
[INFO] running `Command { std: "docker" "start" "-a" "ef3c7fbb36d71bbc09b2b7da9b56235bcb6d11034114c615d0c7d20678a076f7", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ZeroizeOnDrop`
[INFO] [stdout]  --> src/error.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use zeroize::{Zeroize, ZeroizeOnDrop};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/lib.rs:156:30
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub async fn with_config(config: ExchangeConfig) -> Result<Self> {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:191:40
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub async fn create_account(&self, name: &str, password: &str) -> Result<Account> {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `password`
[INFO] [stdout]    --> src/lib.rs:191:52
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub async fn create_account(&self, name: &str, password: &str) -> Result<Account> {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `account`
[INFO] [stdout]    --> src/lib.rs:219:57
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub async fn get_balance<A: Into<AccountId>>(&self, account: A) -> Result<Balance> {
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_account`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transaction`
[INFO] [stdout]    --> src/lib.rs:262:44
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub async fn submit_transaction(&self, transaction: Transaction) -> Result<TransactionResult> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transaction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx_id`
[INFO] [stdout]    --> src/lib.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |         tx_id: &TransactionId,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `confirmations`
[INFO] [stdout]    --> src/lib.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         confirmations: Option<u32>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_confirmations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `force`
[INFO] [stdout]    --> src/lib.rs:548:30
[INFO] [stdout]     |
[INFO] [stdout] 548 |     pub async fn stop(&self, force: bool) -> Result<()> {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct Exchange {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 87 |     inner: Arc<ExchangeInner>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Exchange` has a derived impl for the trait `Clone`, 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: fields `network`, `consensus`, `ledger`, and `config` are never read
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct ExchangeInner {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 91 |     network: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 92 |     consensus: ConsensusAdapter,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 93 |     ledger: Ledger,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 94 |     config: ExchangeConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]    --> src/lib.rs:471:5
[INFO] [stdout]     |
[INFO] [stdout] 470 | pub struct Provider {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 471 |     inner: Arc<ProviderInner>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `account` is never read
[INFO] [stdout]    --> src/lib.rs:475:5
[INFO] [stdout]     |
[INFO] [stdout] 474 | struct ProviderInner {
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] 475 |     account: Account,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `min_job_duration` is never read
[INFO] [stdout]    --> src/lib.rs:601:5
[INFO] [stdout]     |
[INFO] [stdout] 596 | pub struct ProviderBuilder {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 601 |     min_job_duration: Option<std::time::Duration>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exchange` is never read
[INFO] [stdout]    --> src/lib.rs:748:5
[INFO] [stdout]     |
[INFO] [stdout] 747 | pub struct Market {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 748 |     exchange: Exchange,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling qudag-exchange v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `rayon` in this scope
[INFO] [stdout]  --> tests/performance_tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `rayon`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rayon`, use `cargo add rayon` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ZeroizeOnDrop`
[INFO] [stdout]  --> src/error.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use zeroize::{Zeroize, ZeroizeOnDrop};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]    --> tests/performance_tests.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     use rand::Rng;
[INFO] [stdout]     |         ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> tests/performance_tests.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Layout`, `alloc`, and `dealloc`
[INFO] [stdout]   --> tests/performance_tests.rs:92:22
[INFO] [stdout]    |
[INFO] [stdout] 92 |     use std::alloc::{alloc, dealloc, Layout};
[INFO] [stdout]    |                      ^^^^^  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `par_iter` found for struct `Vec<MockTransaction>` in the current scope
[INFO] [stdout]    --> tests/performance_tests.rs:64:10
[INFO] [stdout]     |
[INFO] [stdout]  63 |       let results: Vec<bool> = transactions
[INFO] [stdout]     |  ______________________________-
[INFO] [stdout]  64 | |         .par_iter()
[INFO] [stdout]     | |_________-^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-1.10.0/src/iter/mod.rs:289:8
[INFO] [stdout]     |
[INFO] [stdout] 289 |       fn par_iter(&'data self) -> Self::Iter;
[INFO] [stdout]     |          -------- the method is available for `Vec<MockTransaction>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IntoParallelRefIterator` which provides `par_iter` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]   5 + use rayon::iter::IntoParallelRefIterator;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `iter` with a similar name
[INFO] [stdout]     |
[INFO] [stdout]  64 -         .par_iter()
[INFO] [stdout]  64 +         .iter()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rand` in this scope
[INFO] [stdout]    --> tests/performance_tests.rs:196:19
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let mut rng = rand::thread_rng();
[INFO] [stdout]     |                   ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `account_id`
[INFO] [stdout]   --> tests/performance_tests.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let account_id = generate_random_account_id();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_account_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `address` found for struct `qudag_exchange_core::Account` in the current scope
[INFO] [stdout]    --> src/lib.rs:854:26
[INFO] [stdout]     |
[INFO] [stdout] 854 |         assert!(!account.address().is_empty());
[INFO] [stdout]     |                          ^^^^^^^ method not found in `qudag_exchange_core::Account`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `thread_id`
[INFO] [stdout]    --> tests/performance_tests.rs:119:15
[INFO] [stdout]     |
[INFO] [stdout] 119 |         .map(|thread_id| {
[INFO] [stdout]     |               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/error.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut error = SecureError::new("sensitive data".to_string());
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/lib.rs:156:30
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub async fn with_config(config: ExchangeConfig) -> Result<Self> {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/lib.rs:191:40
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub async fn create_account(&self, name: &str, password: &str) -> Result<Account> {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `password`
[INFO] [stdout]    --> src/lib.rs:191:52
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub async fn create_account(&self, name: &str, password: &str) -> Result<Account> {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_password`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `account`
[INFO] [stdout]    --> src/lib.rs:219:57
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub async fn get_balance<A: Into<AccountId>>(&self, account: A) -> Result<Balance> {
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_account`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transaction`
[INFO] [stdout]    --> src/lib.rs:262:44
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub async fn submit_transaction(&self, transaction: Transaction) -> Result<TransactionResult> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transaction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx_id`
[INFO] [stdout]    --> src/lib.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |         tx_id: &TransactionId,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `confirmations`
[INFO] [stdout]    --> src/lib.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |         confirmations: Option<u32>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_confirmations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `force`
[INFO] [stdout]    --> src/lib.rs:548:30
[INFO] [stdout]     |
[INFO] [stdout] 548 |     pub async fn stop(&self, force: bool) -> Result<()> {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_force`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exchange`
[INFO] [stdout]    --> src/lib.rs:846:13
[INFO] [stdout]     |
[INFO] [stdout] 846 |         let exchange = Exchange::new("testnet").await.unwrap();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exchange`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qudag-exchange` (test "performance_tests") due to 4 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `qudag-exchange` (lib test) due to 1 previous error; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ef3c7fbb36d71bbc09b2b7da9b56235bcb6d11034114c615d0c7d20678a076f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3c7fbb36d71bbc09b2b7da9b56235bcb6d11034114c615d0c7d20678a076f7", kill_on_drop: false }`
[INFO] [stdout] ef3c7fbb36d71bbc09b2b7da9b56235bcb6d11034114c615d0c7d20678a076f7
