[INFO] cloning repository https://github.com/Whoami-id/Blockchain-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Whoami-id/Blockchain-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhoami-id%2FBlockchain-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhoami-id%2FBlockchain-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d9c33f79c57c91a839df0b67182cc7b5657c657e [INFO] checking Whoami-id/Blockchain-Rust against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhoami-id%2FBlockchain-Rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Whoami-id/Blockchain-Rust [INFO] finished tweaking git repo https://github.com/Whoami-id/Blockchain-Rust [INFO] tweaked toml for git repo https://github.com/Whoami-id/Blockchain-Rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Whoami-id/Blockchain-Rust on toolchain a5689b034ad287112f709693384a37f1377eb9cc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Whoami-id/Blockchain-Rust 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 37b7d00f9b57fd80a8ed7c6a4938b0393ce648d3ca81bda8616f27fea619f0ef [INFO] running `Command { std: "docker" "start" "37b7d00f9b57fd80a8ed7c6a4938b0393ce648d3ca81bda8616f27fea619f0ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37b7d00f9b57fd80a8ed7c6a4938b0393ce648d3ca81bda8616f27fea619f0ef", 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" "37b7d00f9b57fd80a8ed7c6a4938b0393ce648d3ca81bda8616f27fea619f0ef" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37b7d00f9b57fd80a8ed7c6a4938b0393ce648d3ca81bda8616f27fea619f0ef", 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" 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idna v1.1.0 [INFO] [stderr] Checking url v2.5.8 [INFO] [stderr] Checking tokio-util v0.7.18 [INFO] [stderr] Checking actix-rt v2.11.0 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking actix-server v2.6.0 [INFO] [stderr] Checking h2 v0.3.27 [INFO] [stderr] Checking actix-codec v0.5.2 [INFO] [stderr] Checking hyper v0.14.32 [INFO] [stderr] Checking actix-http v3.11.2 [INFO] [stderr] Checking actix-web v4.12.1 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.27 [INFO] [stderr] Checking Blockchain_in_Rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `error`, `trace`, and `warn` [INFO] [stdout] --> src/api_server/server.rs:5:18 [INFO] [stdout] | [INFO] [stdout] 5 | use log::{debug, error, info, trace, warn}; [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: `reqwest::Error` [INFO] [stdout] --> src/api_server/server.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use reqwest::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json` [INFO] [stdout] --> src/blockchain/blockchains.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deserialize` [INFO] [stdout] --> src/blockchain/transaction.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json` [INFO] [stdout] --> src/blockchain/transaction.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error`, `trace`, and `warn` [INFO] [stdout] --> src/api_server/server.rs:5:18 [INFO] [stdout] | [INFO] [stdout] 5 | use log::{debug, error, info, trace, warn}; [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: `reqwest::Error` [INFO] [stdout] --> src/api_server/server.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use reqwest::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json` [INFO] [stdout] --> src/blockchain/blockchains.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deserialize` [INFO] [stdout] --> src/blockchain/transaction.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json` [INFO] [stdout] --> src/blockchain/transaction.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/api_server/server.rs:234:13 [INFO] [stdout] | [INFO] [stdout] 234 | let mut unlock_cache = api_server.cache.lock().unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> src/api_server/server.rs:234:13 [INFO] [stdout] | [INFO] [stdout] 234 | let mut unlock_cache = api_server.cache.lock().unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> src/api_server/server.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | let mut api_server = ApiServer { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/api_server/server.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | let mut api_server = ApiServer { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pos` is never read [INFO] [stdout] --> src/blockchain/transaction.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | pos += len_value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hash3` [INFO] [stdout] --> src/blockchain/wallet.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | let hash3 = Sha256::digest(&hash2); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash3` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `BlockSearch` is never used [INFO] [stdout] --> src/blockchain/blockchains.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | pub enum BlockSearch { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `BlockSearchResult` is never used [INFO] [stdout] --> src/blockchain/blockchains.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | pub enum BlockSearchResult<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print` is never used [INFO] [stdout] --> src/blockchain/blockchains.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 69 | impl Block { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `print` and `search_block` are never used [INFO] [stdout] --> src/blockchain/blockchains.rs:180:12 [INFO] [stdout] | [INFO] [stdout] 125 | impl BlockChain { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 180 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 196 | pub fn search_block(&self, search: BlockSearch) -> BlockSearchResult { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `pos` is never read [INFO] [stdout] --> src/blockchain/transaction.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | pos += len_value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `std::string::String` [INFO] [stdout] --> src/blockchain/blockchains.rs:316:24 [INFO] [stdout] | [INFO] [stdout] 316 | recipient: self.blockchain_address.clone().into(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 316 - recipient: self.blockchain_address.clone().into(), [INFO] [stdout] 316 + recipient: self.blockchain_address.clone(), [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 316 - recipient: self.blockchain_address.clone().into(), [INFO] [stdout] 316 + recipient: >::into(self.blockchain_address.clone()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api_server/server.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | Self::delete_neighbors_transaction_in_pool(api_server).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately [INFO] [stdout] | [INFO] [stdout] 111 | let _unused = Self::delete_neighbors_transaction_in_pool(api_server).await; [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api_server/server.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | Self::build_concensus(api_server).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately [INFO] [stdout] | [INFO] [stdout] 114 | let _unused = Self::build_concensus(api_server).await; [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api_server/server.rs:484:9 [INFO] [stdout] | [INFO] [stdout] 484 | Self::resolve_conflicts(&api).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately [INFO] [stdout] | [INFO] [stdout] 484 | let _unused = Self::resolve_conflicts(&api).await; [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api_server/server.rs:550:13 [INFO] [stdout] | [INFO] [stdout] 550 | runtime.block_on(self.ping_neighbor(candidate, &mut neighbors)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately [INFO] [stdout] | [INFO] [stdout] 550 | let _unused = runtime.block_on(self.ping_neighbor(candidate, &mut neighbors)); [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/blockchain/blockchains.rs:196:25 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn search_block(&self, search: BlockSearch) -> BlockSearchResult { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 196 | pub fn search_block(&self, search: BlockSearch) -> BlockSearchResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/blockchain/blockchains.rs:315:46 [INFO] [stdout] | [INFO] [stdout] 315 | sender: BlockChain::MINING_SENDER.clone().into(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hash3` [INFO] [stdout] --> src/blockchain/wallet.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | let hash3 = Sha256::digest(&hash2); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash3` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `Blockchain_in_Rust` (bin "Blockchain_in_Rust" test) due to 1 previous error; 19 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: enum `BlockSearch` is never used [INFO] [stdout] --> src/blockchain/blockchains.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | pub enum BlockSearch { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `BlockSearchResult` is never used [INFO] [stdout] --> src/blockchain/blockchains.rs:26:10 [INFO] [stdout] | [INFO] [stdout] 26 | pub enum BlockSearchResult<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print` is never used [INFO] [stdout] --> src/blockchain/blockchains.rs:82:12 [INFO] [stdout] | [INFO] [stdout] 69 | impl Block { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 82 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `print` and `search_block` are never used [INFO] [stdout] --> src/blockchain/blockchains.rs:180:12 [INFO] [stdout] | [INFO] [stdout] 125 | impl BlockChain { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 180 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 196 | pub fn search_block(&self, search: BlockSearch) -> BlockSearchResult { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `std::string::String` [INFO] [stdout] --> src/blockchain/blockchains.rs:316:24 [INFO] [stdout] | [INFO] [stdout] 316 | recipient: self.blockchain_address.clone().into(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 316 - recipient: self.blockchain_address.clone().into(), [INFO] [stdout] 316 + recipient: self.blockchain_address.clone(), [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 316 - recipient: self.blockchain_address.clone().into(), [INFO] [stdout] 316 + recipient: >::into(self.blockchain_address.clone()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api_server/server.rs:111:9 [INFO] [stdout] | [INFO] [stdout] 111 | Self::delete_neighbors_transaction_in_pool(api_server).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately [INFO] [stdout] | [INFO] [stdout] 111 | let _unused = Self::delete_neighbors_transaction_in_pool(api_server).await; [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api_server/server.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | Self::build_concensus(api_server).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately [INFO] [stdout] | [INFO] [stdout] 114 | let _unused = Self::build_concensus(api_server).await; [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api_server/server.rs:484:9 [INFO] [stdout] | [INFO] [stdout] 484 | Self::resolve_conflicts(&api).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately [INFO] [stdout] | [INFO] [stdout] 484 | let _unused = Self::resolve_conflicts(&api).await; [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/api_server/server.rs:550:13 [INFO] [stdout] | [INFO] [stdout] 550 | runtime.block_on(self.ping_neighbor(candidate, &mut neighbors)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _unused = ...` to ignore the resulting value without dropping it immediately [INFO] [stdout] | [INFO] [stdout] 550 | let _unused = runtime.block_on(self.ping_neighbor(candidate, &mut neighbors)); [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/blockchain/blockchains.rs:196:25 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn search_block(&self, search: BlockSearch) -> BlockSearchResult { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 196 | pub fn search_block(&self, search: BlockSearch) -> BlockSearchResult<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/blockchain/blockchains.rs:315:46 [INFO] [stdout] | [INFO] [stdout] 315 | sender: BlockChain::MINING_SENDER.clone().into(), [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `Blockchain_in_Rust` (bin "Blockchain_in_Rust") due to 1 previous error; 19 warnings emitted [INFO] running `Command { std: "docker" "inspect" "37b7d00f9b57fd80a8ed7c6a4938b0393ce648d3ca81bda8616f27fea619f0ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37b7d00f9b57fd80a8ed7c6a4938b0393ce648d3ca81bda8616f27fea619f0ef", kill_on_drop: false }` [INFO] [stdout] 37b7d00f9b57fd80a8ed7c6a4938b0393ce648d3ca81bda8616f27fea619f0ef