[INFO] cloning repository https://github.com/ryuken25/hash256
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryuken25/hash256" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuken25%2Fhash256", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuken25%2Fhash256'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57ec7645b29a79b27784e2f2ad274faebae4c5e3
[INFO] checking ryuken25/hash256 against try#24e1a22664233bce1f9b5dc6eee7c1f74327e28c for pr-159343
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuken25%2Fhash256" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryuken25/hash256
[INFO] finished tweaking git repo https://github.com/ryuken25/hash256
[INFO] tweaked toml for git repo https://github.com/ryuken25/hash256 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryuken25/hash256 on toolchain 24e1a22664233bce1f9b5dc6eee7c1f74327e28c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryuken25/hash256 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" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e9462f53ac66c1fdcc52abeffafe811a97dd4830c05f9bc6bef14deb4f7c671d
[INFO] running `Command { std: "docker" "start" "e9462f53ac66c1fdcc52abeffafe811a97dd4830c05f9bc6bef14deb4f7c671d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9462f53ac66c1fdcc52abeffafe811a97dd4830c05f9bc6bef14deb4f7c671d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9462f53ac66c1fdcc52abeffafe811a97dd4830c05f9bc6bef14deb4f7c671d" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9462f53ac66c1fdcc52abeffafe811a97dd4830c05f9bc6bef14deb4f7c671d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e9462f53ac66c1fdcc52abeffafe811a97dd4830c05f9bc6bef14deb4f7c671d" "/opt/rustwide/cargo-home/bin/cargo" "+24e1a22664233bce1f9b5dc6eee7c1f74327e28c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `NoncePrefix` and `pow_nonce_from_parts`
[INFO] [stdout]   --> src/worker.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |     nonce_space::{parse_prefix_hex, pow_nonce_from_parts, NoncePrefix},
[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: `NoncePrefix` and `pow_nonce_from_parts`
[INFO] [stdout]   --> src/worker.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |     nonce_space::{parse_prefix_hex, pow_nonce_from_parts, NoncePrefix},
[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: `NoncePrefix` and `pow_nonce_from_parts`
[INFO] [stdout]   --> src/worker.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |     nonce_space::{parse_prefix_hex, pow_nonce_from_parts, NoncePrefix},
[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: `NoncePrefix` and `pow_nonce_from_parts`
[INFO] [stdout]   --> src/worker.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |     nonce_space::{parse_prefix_hex, pow_nonce_from_parts, NoncePrefix},
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `miner_address_required` is never used
[INFO] [stdout]    --> src/config.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout]  67 | impl AppConfig {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn miner_address_required(&self) -> Result<Address> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/coordinator.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct RegisterRequest {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub version: Option<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RegisterRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `challenge` and `created_at_time` are never read
[INFO] [stdout]   --> src/db.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TxRecord {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub challenge: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub created_at_time: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TxRecord` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STATUS_PENDING` is never used
[INFO] [stdout]   --> src/db.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const STATUS_PENDING: &str = "pending";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STATUS_CANCELLED` is never used
[INFO] [stdout]   --> src/db.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub const STATUS_CANCELLED: &str = "cancelled";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STATUS_STALE` is never used
[INFO] [stdout]   --> src/db.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub const STATUS_STALE: &str = "stale";
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]  --> src/errors.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Result<T> = std::result::Result<T, Report>;
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `render` is never used
[INFO] [stdout]   --> src/metrics.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Metrics {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn render(&self) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `current_counter` and `set_counter` are never used
[INFO] [stdout]   --> src/nonce_space.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl NonceAllocator {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn current_counter(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn set_counter(&mut self, c: u64) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `priority_suggestion` is never read
[INFO] [stdout]   --> src/rpc_pool.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct FeeSnapshot {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 46 |     pub base_fee_per_gas: u128,
[INFO] [stdout] 47 |     pub priority_suggestion: u128,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FeeSnapshot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tx_hash` is never read
[INFO] [stdout]   --> src/rpc_pool.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct ReceiptInfo {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub tx_hash: B256,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiptInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tx_hash` is never read
[INFO] [stdout]   --> src/rpc_pool.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct BroadcastOutcome {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 59 |     pub tx_hash: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BroadcastOutcome` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `best_read_url` is never used
[INFO] [stdout]    --> src/rpc_pool.rs:168:18
[INFO] [stdout]     |
[INFO] [stdout]  65 | impl RpcPool {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub async fn best_read_url(&self) -> Result<String> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `device_index` is never read
[INFO] [stdout]   --> src/gpu/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct GpuMiner {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     device_index: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `device_index` are never used
[INFO] [stdout]   --> src/gpu/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl GpuMiner {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 31 |     pub fn new(batch_size: Option<usize>) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn device_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_counter` is never read
[INFO] [stdout]    --> src/gpu/mod.rs:263:26
[INFO] [stdout]     |
[INFO] [stdout] 263 |     Found { nonce: U256, last_counter: u64 },
[INFO] [stdout]     |     -----                ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MineOutcome` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_counter` is never read
[INFO] [stdout]    --> src/gpu/mod.rs:264:15
[INFO] [stdout]     |
[INFO] [stdout] 264 |     Aborted { last_counter: u64 },
[INFO] [stdout]     |     -------   ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MineOutcome` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `miner_address_required` is never used
[INFO] [stdout]    --> src/config.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout]  67 | impl AppConfig {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn miner_address_required(&self) -> Result<Address> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/coordinator.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub struct RegisterRequest {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub version: Option<String>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RegisterRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `challenge` and `created_at_time` are never read
[INFO] [stdout]   --> src/db.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct TxRecord {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub challenge: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub created_at_time: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TxRecord` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STATUS_PENDING` is never used
[INFO] [stdout]   --> src/db.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const STATUS_PENDING: &str = "pending";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STATUS_CANCELLED` is never used
[INFO] [stdout]   --> src/db.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub const STATUS_CANCELLED: &str = "cancelled";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STATUS_STALE` is never used
[INFO] [stdout]   --> src/db.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub const STATUS_STALE: &str = "stale";
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]  --> src/errors.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Result<T> = std::result::Result<T, Report>;
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `defaults_for` is never used
[INFO] [stdout]   --> src/gas.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn defaults_for(mode: GasMode) -> (f64, f64) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `render` is never used
[INFO] [stdout]   --> src/metrics.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Metrics {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82 |     pub fn render(&self) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `current_counter` and `set_counter` are never used
[INFO] [stdout]   --> src/nonce_space.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl NonceAllocator {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn current_counter(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn set_counter(&mut self, c: u64) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `priority_suggestion` is never read
[INFO] [stdout]   --> src/rpc_pool.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct FeeSnapshot {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 46 |     pub base_fee_per_gas: u128,
[INFO] [stdout] 47 |     pub priority_suggestion: u128,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FeeSnapshot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tx_hash` is never read
[INFO] [stdout]   --> src/rpc_pool.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct ReceiptInfo {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub tx_hash: B256,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiptInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tx_hash` is never read
[INFO] [stdout]   --> src/rpc_pool.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct BroadcastOutcome {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 59 |     pub tx_hash: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BroadcastOutcome` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `best_read_url` is never used
[INFO] [stdout]    --> src/rpc_pool.rs:168:18
[INFO] [stdout]     |
[INFO] [stdout]  65 | impl RpcPool {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub async fn best_read_url(&self) -> Result<String> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_rpc_urls` is never used
[INFO] [stdout]    --> src/rpc_pool.rs:467:8
[INFO] [stdout]     |
[INFO] [stdout] 467 | pub fn parse_rpc_urls(raw: &str) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `classify_tx_error` is never used
[INFO] [stdout]    --> src/submitter.rs:394:8
[INFO] [stdout]     |
[INFO] [stdout] 394 | pub fn classify_tx_error(msg: &str) -> &'static str {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `device_index` is never read
[INFO] [stdout]   --> src/gpu/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct GpuMiner {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     device_index: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `device_index` are never used
[INFO] [stdout]   --> src/gpu/mod.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl GpuMiner {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 31 |     pub fn new(batch_size: Option<usize>) -> Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn device_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_counter` is never read
[INFO] [stdout]    --> src/gpu/mod.rs:263:26
[INFO] [stdout]     |
[INFO] [stdout] 263 |     Found { nonce: U256, last_counter: u64 },
[INFO] [stdout]     |     -----                ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MineOutcome` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_counter` is never read
[INFO] [stdout]    --> src/gpu/mod.rs:264:15
[INFO] [stdout]     |
[INFO] [stdout] 264 |     Aborted { last_counter: u64 },
[INFO] [stdout]     |     -------   ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MineOutcome` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "e9462f53ac66c1fdcc52abeffafe811a97dd4830c05f9bc6bef14deb4f7c671d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9462f53ac66c1fdcc52abeffafe811a97dd4830c05f9bc6bef14deb4f7c671d", kill_on_drop: false }`
[INFO] [stdout] e9462f53ac66c1fdcc52abeffafe811a97dd4830c05f9bc6bef14deb4f7c671d
