[INFO] updating cached repository dennisfurrer/RustBlockchain [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/dennisfurrer/RustBlockchain [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/dennisfurrer/RustBlockchain" "work/ex/clippy-test-run/sources/stable/gh/dennisfurrer/RustBlockchain"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/dennisfurrer/RustBlockchain'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/dennisfurrer/RustBlockchain" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dennisfurrer/RustBlockchain"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dennisfurrer/RustBlockchain'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0e8a24f72b6fda75089f0dee1981144866a37cda [INFO] sha for GitHub repo dennisfurrer/RustBlockchain: 0e8a24f72b6fda75089f0dee1981144866a37cda [INFO] validating manifest of dennisfurrer/RustBlockchain on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of dennisfurrer/RustBlockchain on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing dennisfurrer/RustBlockchain [INFO] finished frobbing dennisfurrer/RustBlockchain [INFO] frobbed toml for dennisfurrer/RustBlockchain written to work/ex/clippy-test-run/sources/stable/gh/dennisfurrer/RustBlockchain/Cargo.toml [INFO] started frobbing dennisfurrer/RustBlockchain [INFO] finished frobbing dennisfurrer/RustBlockchain [INFO] frobbed toml for dennisfurrer/RustBlockchain written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dennisfurrer/RustBlockchain/Cargo.toml [INFO] crate dennisfurrer/RustBlockchain has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting dennisfurrer/RustBlockchain against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/dennisfurrer/RustBlockchain:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] fe6d71ea1b50048c42cb55f04ebf457e0974add45e255806b9356797f35f6fc1 [INFO] running `"docker" "start" "-a" "fe6d71ea1b50048c42cb55f04ebf457e0974add45e255806b9356797f35f6fc1"` [INFO] [stderr] Compiling serde v1.0.64 [INFO] [stderr] Checking serde_json v1.0.19 [INFO] [stderr] Checking blockchain v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: using `println!("")` [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | println!(""); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `println!()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::println_empty_string)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string [INFO] [stderr] [INFO] [stderr] warning: using `println!("")` [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | println!(""); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `println!()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::println_empty_string)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string [INFO] [stderr] [INFO] [stderr] warning: The function/method `push_str` doesn't need a mutable reference [INFO] [stderr] --> src/blockchain.rs:131:25 [INFO] [stderr] | [INFO] [stderr] 131 | h1.push_str(&mut h2); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_mut_passed)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | io::stdout().flush(); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | io::stdin().read_line(&mut miner_address); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | io::stdin().read_line(&mut difficulty); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | io::stdin().read_line(&mut choice); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: use of `write!(stdout(), ...).unwrap()`. Consider using `print!` instead [INFO] [stderr] --> src/main.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | write!(io::stdout(), "Press any key to continue...").unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::explicit_write)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:71:17 [INFO] [stderr] | [INFO] [stderr] 71 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:72:17 [INFO] [stderr] | [INFO] [stderr] 72 | io::stdin().read_line(&mut from); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:74:17 [INFO] [stderr] | [INFO] [stderr] 74 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | io::stdin().read_line(&mut to); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:77:17 [INFO] [stderr] | [INFO] [stderr] 77 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:78:17 [INFO] [stderr] | [INFO] [stderr] 78 | io::stdin().read_line(&mut amount); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/main.rs:84:17 [INFO] [stderr] | [INFO] [stderr] 84 | / match res { [INFO] [stderr] 85 | | true => println!("transaction added"), [INFO] [stderr] 86 | | false => println!("transaction failed"), [INFO] [stderr] 87 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("transaction added") } else { println!("transaction failed") }` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::match_bool)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool [INFO] [stderr] [INFO] [stderr] warning: The function/method `push_str` doesn't need a mutable reference [INFO] [stderr] --> src/blockchain.rs:131:25 [INFO] [stderr] | [INFO] [stderr] 131 | h1.push_str(&mut h2); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_mut_passed)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/main.rs:95:17 [INFO] [stderr] | [INFO] [stderr] 95 | / match res { [INFO] [stderr] 96 | | true => println!("Block generated successfully!"), [INFO] [stderr] 97 | | false => println!("Block generation failed!"), [INFO] [stderr] 98 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("Block generated successfully!") } else { println!("Block generation failed!") }` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 106 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:107:17 [INFO] [stderr] | [INFO] [stderr] 107 | io::stdin().read_line(&mut new_diff); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/main.rs:109:17 [INFO] [stderr] | [INFO] [stderr] 109 | / match res { [INFO] [stderr] 110 | | true => println!("Updated Difficulty!"), [INFO] [stderr] 111 | | false => println!("Failed to update difficulty!"), [INFO] [stderr] 112 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("Updated Difficulty!") } else { println!("Failed to update difficulty!") }` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:119:17 [INFO] [stderr] | [INFO] [stderr] 119 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:120:17 [INFO] [stderr] | [INFO] [stderr] 120 | io::stdin().read_line(&mut new_reward); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/main.rs:122:17 [INFO] [stderr] | [INFO] [stderr] 122 | / match res { [INFO] [stderr] 123 | | true => println!("Updated reward!"), [INFO] [stderr] 124 | | false => println!("Failed to update reward!"), [INFO] [stderr] 125 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("Updated reward!") } else { println!("Failed to update reward!") }` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | io::stdout().flush(); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | io::stdin().read_line(&mut miner_address); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | io::stdin().read_line(&mut difficulty); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | io::stdin().read_line(&mut choice); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: use of `write!(stdout(), ...).unwrap()`. Consider using `print!` instead [INFO] [stderr] --> src/main.rs:58:17 [INFO] [stderr] | [INFO] [stderr] 58 | write!(io::stdout(), "Press any key to continue...").unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::explicit_write)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:71:17 [INFO] [stderr] | [INFO] [stderr] 71 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:72:17 [INFO] [stderr] | [INFO] [stderr] 72 | io::stdin().read_line(&mut from); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:74:17 [INFO] [stderr] | [INFO] [stderr] 74 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | io::stdin().read_line(&mut to); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:77:17 [INFO] [stderr] | [INFO] [stderr] 77 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:78:17 [INFO] [stderr] | [INFO] [stderr] 78 | io::stdin().read_line(&mut amount); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/main.rs:84:17 [INFO] [stderr] | [INFO] [stderr] 84 | / match res { [INFO] [stderr] 85 | | true => println!("transaction added"), [INFO] [stderr] 86 | | false => println!("transaction failed"), [INFO] [stderr] 87 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("transaction added") } else { println!("transaction failed") }` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::match_bool)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/main.rs:95:17 [INFO] [stderr] | [INFO] [stderr] 95 | / match res { [INFO] [stderr] 96 | | true => println!("Block generated successfully!"), [INFO] [stderr] 97 | | false => println!("Block generation failed!"), [INFO] [stderr] 98 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("Block generated successfully!") } else { println!("Block generation failed!") }` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:106:17 [INFO] [stderr] | [INFO] [stderr] 106 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:107:17 [INFO] [stderr] | [INFO] [stderr] 107 | io::stdin().read_line(&mut new_diff); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/main.rs:109:17 [INFO] [stderr] | [INFO] [stderr] 109 | / match res { [INFO] [stderr] 110 | | true => println!("Updated Difficulty!"), [INFO] [stderr] 111 | | false => println!("Failed to update difficulty!"), [INFO] [stderr] 112 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("Updated Difficulty!") } else { println!("Failed to update difficulty!") }` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:119:17 [INFO] [stderr] | [INFO] [stderr] 119 | io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:120:17 [INFO] [stderr] | [INFO] [stderr] 120 | io::stdin().read_line(&mut new_reward); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/main.rs:122:17 [INFO] [stderr] | [INFO] [stderr] 122 | / match res { [INFO] [stderr] 123 | | true => println!("Updated reward!"), [INFO] [stderr] 124 | | false => println!("Failed to update reward!"), [INFO] [stderr] 125 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("Updated reward!") } else { println!("Failed to update reward!") }` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.78s [INFO] running `"docker" "inspect" "fe6d71ea1b50048c42cb55f04ebf457e0974add45e255806b9356797f35f6fc1"` [INFO] running `"docker" "rm" "-f" "fe6d71ea1b50048c42cb55f04ebf457e0974add45e255806b9356797f35f6fc1"` [INFO] [stdout] fe6d71ea1b50048c42cb55f04ebf457e0974add45e255806b9356797f35f6fc1