[INFO] cloning repository https://github.com/malefooo/block-chain-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malefooo/block-chain-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalefooo%2Fblock-chain-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalefooo%2Fblock-chain-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4300b28ffc182066759cfc1d4718c060840483dc [INFO] testing malefooo/block-chain-rust against 1.63.0 for beta-1.64-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalefooo%2Fblock-chain-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/malefooo/block-chain-rust on toolchain 1.63.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/malefooo/block-chain-rust [INFO] finished tweaking git repo https://github.com/malefooo/block-chain-rust [INFO] tweaked toml for git repo https://github.com/malefooo/block-chain-rust written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/malefooo/block-chain-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... 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v0.6.0 [INFO] [stderr] Downloaded futures v0.3.8 [INFO] [stderr] Downloaded url v2.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 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[INFO] [stderr] Compiling pin-project v1.0.1 [INFO] [stderr] Compiling futures-util v0.3.8 [INFO] [stderr] Compiling clap v3.0.0-beta.2 [INFO] [stderr] Compiling futures-executor v0.3.8 [INFO] [stderr] Compiling futures v0.3.8 [INFO] [stderr] Compiling trust-dns-proto v0.19.6 [INFO] [stderr] Compiling trust-dns-resolver v0.19.6 [INFO] [stderr] Compiling serde_with v1.5.1 [INFO] [stderr] Compiling bson v1.1.0 [INFO] [stderr] Compiling mongodb v1.1.1 [INFO] [stderr] Compiling block-chain-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `num_bigint::BigUint` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use num_bigint::BigUint; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::macros::support::Future` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::macros::support::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `App`, `Arg` [INFO] [stdout] --> src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use clap::{Arg, App}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Hasher`, `Sha3` [INFO] [stdout] --> src/blc/block.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | use tiny_keccak::{Hasher, Sha3}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `One`, `Zero` [INFO] [stdout] --> src/blc/block.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | use num_traits::{Zero, One}; [INFO] [stdout] | ^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/blc/block_chain.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::de::IntoDeserializer` [INFO] [stdout] --> src/blc/block_chain.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use serde::de::IntoDeserializer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mongodb::error::Error` [INFO] [stdout] --> src/blc/block_chain.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use mongodb::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mongodb::results::InsertOneResult` [INFO] [stdout] --> src/blc/block_chain.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use mongodb::results::InsertOneResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BigInt`, `Sign` [INFO] [stdout] --> src/blc/proof_of_work.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use num_bigint::{Sign, BigUint, BigInt}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num_traits::cast::ToPrimitive` [INFO] [stdout] --> src/blc/proof_of_work.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use num_traits::cast::ToPrimitive; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Zero` [INFO] [stdout] --> src/blc/proof_of_work.rs:5:18 [INFO] [stdout] | [INFO] [stdout] 5 | use num_traits::{Zero, One}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils::leading_zero_to_string` [INFO] [stdout] --> src/blc/proof_of_work.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::utils::leading_zero_to_string; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils::*` [INFO] [stdout] --> src/blc/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::utils::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mongodb::options::ClientOptions` [INFO] [stdout] --> src/db/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use mongodb::options::ClientOptions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/blc/block.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let mut b = bson::Binary{ subtype: spec::BinarySubtype::Generic, bytes: block_serialize }; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/blc/block.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut block = Block { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Write` [INFO] [stdout] --> src/blc/block_chain.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:60:29 [INFO] [stdout] | [INFO] [stdout] 60 | ... _ => {} [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `blc` [INFO] [stdout] --> src/main.rs:42:34 [INFO] [stdout] | [INFO] [stdout] 42 | ... Some(blc) => {println!("create block chain success")} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_blc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `serializer` is never used [INFO] [stdout] --> src/blc/block_chain.rs:67:18 [INFO] [stdout] | [INFO] [stdout] 67 | pub async fn serializer(&self) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `u8_vec_to_string` is never used [INFO] [stdout] --> src/utils/mod.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn u8_vec_to_string(v: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | ARGS_INSTANCE.set(args); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/blc/block_chain.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | collection.insert_one(block.to_doc().await,InsertOneOptions::default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/blc/block_chain.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | collection.insert_one(block.to_doc().await, InsertOneOptions::default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `target_bits` should have an upper case name [INFO] [stdout] --> src/blc/proof_of_work.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | const target_bits:u64 = 8; [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper case: `TARGET_BITS` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `max_nonce` should have an upper case name [INFO] [stdout] --> src/blc/proof_of_work.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | const max_nonce:u64 = std::u64::MAX; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper case: `MAX_NONCE` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/db/mod.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | MONGODB_INSTANCE.set(client); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 28 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4m 07s [INFO] running `Command { std: "docker" "inspect" "16f30cd035d916cf2d71b0f1f4b98faeb78d3bbfcb4888cc596c1b7c3ce75cb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16f30cd035d916cf2d71b0f1f4b98faeb78d3bbfcb4888cc596c1b7c3ce75cb6", kill_on_drop: false }` [INFO] [stdout] 16f30cd035d916cf2d71b0f1f4b98faeb78d3bbfcb4888cc596c1b7c3ce75cb6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 996761756d9babb2856caaafe4d4989ad97f6e0be03b1e9f3b2e943715a9c8a2 [INFO] running `Command { std: "docker" "start" "-a" "996761756d9babb2856caaafe4d4989ad97f6e0be03b1e9f3b2e943715a9c8a2", kill_on_drop: false }` [INFO] [stderr] Compiling block-chain-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `num_bigint::BigUint` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use num_bigint::BigUint; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::macros::support::Future` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::macros::support::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `App`, `Arg` [INFO] [stdout] --> src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use clap::{Arg, App}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Hasher`, `Sha3` [INFO] [stdout] --> src/blc/block.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | use tiny_keccak::{Hasher, Sha3}; [INFO] [stdout] | ^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `One`, `Zero` [INFO] [stdout] --> src/blc/block.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | use num_traits::{Zero, One}; [INFO] [stdout] | ^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/blc/block_chain.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::de::IntoDeserializer` [INFO] [stdout] --> src/blc/block_chain.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use serde::de::IntoDeserializer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mongodb::error::Error` [INFO] [stdout] --> src/blc/block_chain.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use mongodb::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mongodb::results::InsertOneResult` [INFO] [stdout] --> src/blc/block_chain.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use mongodb::results::InsertOneResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BigInt`, `Sign` [INFO] [stdout] --> src/blc/proof_of_work.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | use num_bigint::{Sign, BigUint, BigInt}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num_traits::cast::ToPrimitive` [INFO] [stdout] --> src/blc/proof_of_work.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use num_traits::cast::ToPrimitive; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Zero` [INFO] [stdout] --> src/blc/proof_of_work.rs:5:18 [INFO] [stdout] | [INFO] [stdout] 5 | use num_traits::{Zero, One}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils::leading_zero_to_string` [INFO] [stdout] --> src/blc/proof_of_work.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::utils::leading_zero_to_string; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::utils::*` [INFO] [stdout] --> src/blc/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::utils::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mongodb::options::ClientOptions` [INFO] [stdout] --> src/db/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use mongodb::options::ClientOptions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/blc/block.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let mut b = bson::Binary{ subtype: spec::BinarySubtype::Generic, bytes: block_serialize }; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/blc/block.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut block = Block { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Write` [INFO] [stdout] --> src/blc/block_chain.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/main.rs:60:29 [INFO] [stdout] | [INFO] [stdout] 60 | ... _ => {} [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `blc` [INFO] [stdout] --> src/main.rs:42:34 [INFO] [stdout] | [INFO] [stdout] 42 | ... Some(blc) => {println!("create block chain success")} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_blc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `serializer` is never used [INFO] [stdout] --> src/blc/block_chain.rs:67:18 [INFO] [stdout] | [INFO] [stdout] 67 | pub async fn serializer(&self) -> Vec{ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `u8_vec_to_string` is never used [INFO] [stdout] --> src/utils/mod.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn u8_vec_to_string(v: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | ARGS_INSTANCE.set(args); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/blc/block_chain.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | collection.insert_one(block.to_doc().await,InsertOneOptions::default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/blc/block_chain.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | collection.insert_one(block.to_doc().await, InsertOneOptions::default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `target_bits` should have an upper case name [INFO] [stdout] --> src/blc/proof_of_work.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | const target_bits:u64 = 8; [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper case: `TARGET_BITS` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `max_nonce` should have an upper case name [INFO] [stdout] --> src/blc/proof_of_work.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | const max_nonce:u64 = std::u64::MAX; [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper case: `MAX_NONCE` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `Future` that must be used [INFO] [stdout] --> src/blc/proof_of_work.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | / new_proof_of_work(Block{ [INFO] [stdout] 92 | | timestamp: 0, [INFO] [stdout] 93 | | prev_block_hash: vec![], [INFO] [stdout] 94 | | data: vec![], [INFO] [stdout] 95 | | hash: vec![], [INFO] [stdout] 96 | | nonce: 0 [INFO] [stdout] 97 | | }); [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/db/mod.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | MONGODB_INSTANCE.set(client); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 29 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.02s [INFO] running `Command { std: "docker" "inspect" "996761756d9babb2856caaafe4d4989ad97f6e0be03b1e9f3b2e943715a9c8a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "996761756d9babb2856caaafe4d4989ad97f6e0be03b1e9f3b2e943715a9c8a2", kill_on_drop: false }` [INFO] [stdout] 996761756d9babb2856caaafe4d4989ad97f6e0be03b1e9f3b2e943715a9c8a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7388b39bc10177b988b33ce0aeee8da877188495b1b333b3c2aeb99aa8089fe0 [INFO] running `Command { std: "docker" "start" "-a" "7388b39bc10177b988b33ce0aeee8da877188495b1b333b3c2aeb99aa8089fe0", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `num_bigint::BigUint` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use num_bigint::BigUint; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::macros::support::Future` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use tokio::macros::support::Future; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `App`, `Arg` [INFO] [stderr] --> src/main.rs:5:12 [INFO] [stderr] | [INFO] [stderr] 5 | use clap::{Arg, App}; [INFO] [stderr] | ^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Hasher`, `Sha3` [INFO] [stderr] --> src/blc/block.rs:4:19 [INFO] [stderr] | [INFO] [stderr] 4 | use tiny_keccak::{Hasher, Sha3}; [INFO] [stderr] | ^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `One`, `Zero` [INFO] [stderr] --> src/blc/block.rs:7:18 [INFO] [stderr] | [INFO] [stderr] 7 | use num_traits::{Zero, One}; [INFO] [stderr] | ^^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Deref` [INFO] [stderr] --> src/blc/block_chain.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::ops::Deref; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde::de::IntoDeserializer` [INFO] [stderr] --> src/blc/block_chain.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use serde::de::IntoDeserializer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `mongodb::error::Error` [INFO] [stderr] --> src/blc/block_chain.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use mongodb::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `mongodb::results::InsertOneResult` [INFO] [stderr] --> src/blc/block_chain.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use mongodb::results::InsertOneResult; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BigInt`, `Sign` [INFO] [stderr] --> src/blc/proof_of_work.rs:2:18 [INFO] [stderr] | [INFO] [stderr] 2 | use num_bigint::{Sign, BigUint, BigInt}; [INFO] [stderr] | ^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `num_traits::cast::ToPrimitive` [INFO] [stderr] --> src/blc/proof_of_work.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use num_traits::cast::ToPrimitive; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Zero` [INFO] [stderr] --> src/blc/proof_of_work.rs:5:18 [INFO] [stderr] | [INFO] [stderr] 5 | use num_traits::{Zero, One}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::utils::leading_zero_to_string` [INFO] [stderr] --> src/blc/proof_of_work.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use crate::utils::leading_zero_to_string; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::utils::*` [INFO] [stderr] --> src/blc/mod.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::utils::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `mongodb::options::ClientOptions` [INFO] [stderr] --> src/db/mod.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use mongodb::options::ClientOptions; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/blc/block.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let mut b = bson::Binary{ subtype: spec::BinarySubtype::Generic, bytes: block_serialize }; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/blc/block.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let mut block = Block { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Write` [INFO] [stderr] --> src/blc/block_chain.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fmt::Write; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:60:29 [INFO] [stderr] | [INFO] [stderr] 60 | ... _ => {} [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `blc` [INFO] [stderr] --> src/main.rs:42:34 [INFO] [stderr] | [INFO] [stderr] 42 | ... Some(blc) => {println!("create block chain success")} [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_blc` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `serializer` is never used [INFO] [stderr] --> src/blc/block_chain.rs:67:18 [INFO] [stderr] | [INFO] [stderr] 67 | pub async fn serializer(&self) -> Vec{ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `u8_vec_to_string` is never used [INFO] [stderr] --> src/utils/mod.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn u8_vec_to_string(v: Vec) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | ARGS_INSTANCE.set(args); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/blc/block_chain.rs:62:13 [INFO] [stderr] | [INFO] [stderr] 62 | collection.insert_one(block.to_doc().await,InsertOneOptions::default()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/blc/block_chain.rs:170:9 [INFO] [stderr] | [INFO] [stderr] 170 | collection.insert_one(block.to_doc().await, InsertOneOptions::default()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: constant `target_bits` should have an upper case name [INFO] [stderr] --> src/blc/proof_of_work.rs:14:7 [INFO] [stderr] | [INFO] [stderr] 14 | const target_bits:u64 = 8; [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to upper case: `TARGET_BITS` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant `max_nonce` should have an upper case name [INFO] [stderr] --> src/blc/proof_of_work.rs:17:7 [INFO] [stderr] | [INFO] [stderr] 17 | const max_nonce:u64 = std::u64::MAX; [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to upper case: `MAX_NONCE` [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `Future` that must be used [INFO] [stderr] --> src/blc/proof_of_work.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | / new_proof_of_work(Block{ [INFO] [stderr] 92 | | timestamp: 0, [INFO] [stderr] 93 | | prev_block_hash: vec![], [INFO] [stderr] 94 | | data: vec![], [INFO] [stderr] 95 | | hash: vec![], [INFO] [stderr] 96 | | nonce: 0 [INFO] [stderr] 97 | | }); [INFO] [stderr] | |___________^ [INFO] [stderr] | [INFO] [stderr] = note: futures do nothing unless you `.await` or poll them [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/db/mod.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | MONGODB_INSTANCE.set(client); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `block-chain-rust` (bin "block-chain-rust" test) generated 29 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/block_chain_rust-900b21ed6ad72274) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test blc::proof_of_work::proof_of_work_mod::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7388b39bc10177b988b33ce0aeee8da877188495b1b333b3c2aeb99aa8089fe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7388b39bc10177b988b33ce0aeee8da877188495b1b333b3c2aeb99aa8089fe0", kill_on_drop: false }` [INFO] [stdout] 7388b39bc10177b988b33ce0aeee8da877188495b1b333b3c2aeb99aa8089fe0