[INFO] updating cached repository lezwon/Blockchain-from-Scratch [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/lezwon/Blockchain-from-Scratch [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/lezwon/Blockchain-from-Scratch" "work/ex/clippy-test-run/sources/stable/gh/lezwon/Blockchain-from-Scratch"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/lezwon/Blockchain-from-Scratch'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/lezwon/Blockchain-from-Scratch" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lezwon/Blockchain-from-Scratch"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lezwon/Blockchain-from-Scratch'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a1e954e967cc24a8089a52d669fe970a2321feed [INFO] sha for GitHub repo lezwon/Blockchain-from-Scratch: a1e954e967cc24a8089a52d669fe970a2321feed [INFO] validating manifest of lezwon/Blockchain-from-Scratch 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 lezwon/Blockchain-from-Scratch 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 lezwon/Blockchain-from-Scratch [INFO] finished frobbing lezwon/Blockchain-from-Scratch [INFO] frobbed toml for lezwon/Blockchain-from-Scratch written to work/ex/clippy-test-run/sources/stable/gh/lezwon/Blockchain-from-Scratch/Cargo.toml [INFO] started frobbing lezwon/Blockchain-from-Scratch [INFO] finished frobbing lezwon/Blockchain-from-Scratch [INFO] frobbed toml for lezwon/Blockchain-from-Scratch written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lezwon/Blockchain-from-Scratch/Cargo.toml [INFO] crate lezwon/Blockchain-from-Scratch 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 lezwon/Blockchain-from-Scratch against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/lezwon/Blockchain-from-Scratch:/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] 791f45070fae87670a4c864fdf65f2217768e3afefc4bc69e99ff5728199a76d [INFO] running `"docker" "start" "-a" "791f45070fae87670a4c864fdf65f2217768e3afefc4bc69e99ff5728199a76d"` [INFO] [stderr] Checking blockchain-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/main.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | difficulty: difficulty, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `difficulty` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/main.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | miner_address : miner_address, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `miner_address` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/main.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | sender: sender, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `sender` [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] | [INFO] [stderr] --> src/main.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | difficulty: difficulty, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `difficulty` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/main.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | miner_address : miner_address, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `miner_address` [INFO] [stderr] | [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/main.rs:67:11 [INFO] [stderr] | [INFO] [stderr] 67 | recipient: recipient, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `recipient` [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/main.rs:66:5 [INFO] [stderr] | [INFO] [stderr] 66 | sender: sender, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `sender` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/main.rs:68:11 [INFO] [stderr] | [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] 68 | amount: amount, [INFO] [stderr] --> src/main.rs:67:11 [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `amount` [INFO] [stderr] | [INFO] [stderr] 67 | recipient: recipient, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `recipient` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/main.rs:68:11 [INFO] [stderr] | [INFO] [stderr] 68 | amount: amount, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `amount` [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/main.rs:109:14 [INFO] [stderr] | [INFO] [stderr] 109 | block_header: block_header, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `block_header` [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/main.rs:109:14 [INFO] [stderr] | [INFO] [stderr] 109 | block_header: block_header, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `block_header` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:94:8 [INFO] [stderr] | [INFO] [stderr] 94 | let mut block_header = BlockHeader{ [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: The function/method `push_str` doesn't need a mutable reference [INFO] [stderr] --> src/main.rs:146:20 [INFO] [stderr] | [INFO] [stderr] 146 | hash1.push_str(&mut hash2); [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:210:2 [INFO] [stderr] | [INFO] [stderr] 210 | 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:211:2 [INFO] [stderr] | [INFO] [stderr] 211 | 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:213:2 [INFO] [stderr] | [INFO] [stderr] 213 | 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:214:2 [INFO] [stderr] | [INFO] [stderr] 214 | io::stdin().read_line(&mut difficulty_string); [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:229:3 [INFO] [stderr] | [INFO] [stderr] 229 | 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:231:3 [INFO] [stderr] | [INFO] [stderr] 231 | 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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:247:5 [INFO] [stderr] | [INFO] [stderr] 247 | 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:248:5 [INFO] [stderr] | [INFO] [stderr] 248 | io::stdin().read_line(&mut sender); [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:250:5 [INFO] [stderr] | [INFO] [stderr] 250 | 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:251:5 [INFO] [stderr] | [INFO] [stderr] 251 | io::stdin().read_line(&mut recipient); [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:253:5 [INFO] [stderr] | [INFO] [stderr] 253 | 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:254:5 [INFO] [stderr] | [INFO] [stderr] 254 | 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:256:5 [INFO] [stderr] | [INFO] [stderr] 256 | match res { [INFO] [stderr] | _________________^ [INFO] [stderr] 257 | | true => println!("TRANSACTION ADDED SUCCESSFULLY!"), [INFO] [stderr] 258 | | false => println!("TRANSACTION ADDITION FAILED!"), [INFO] [stderr] 259 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("TRANSACTION ADDED SUCCESSFULLY!") } else { println!("TRANSACTION ADDITION 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:265:5 [INFO] [stderr] | [INFO] [stderr] 265 | match res { [INFO] [stderr] | _________________^ [INFO] [stderr] 266 | | true => println!("BLOCK GENERATED SUCCESSFULLY!"), [INFO] [stderr] 267 | | false => println!("BLOCK GENERATION FAILED!"), [INFO] [stderr] 268 | | } [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:274:5 [INFO] [stderr] | [INFO] [stderr] 274 | 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:275:5 [INFO] [stderr] | [INFO] [stderr] 275 | io::stdin().read_line(&mut new_difficulty); [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:277:5 [INFO] [stderr] | [INFO] [stderr] 277 | match res { [INFO] [stderr] | _________________^ [INFO] [stderr] 278 | | true => println!("UPDATED DIFFICULTY SUCCESSFULLY!"), [INFO] [stderr] 279 | | false => println!("DIFFICULTY UPDATION FAILED!"), [INFO] [stderr] 280 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("UPDATED DIFFICULTY SUCCESSFULLY!") } else { println!("DIFFICULTY UPDATION 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:286:5 [INFO] [stderr] | [INFO] [stderr] 286 | 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:287:5 [INFO] [stderr] | [INFO] [stderr] 287 | 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:289:5 [INFO] [stderr] | [INFO] [stderr] 289 | match res { [INFO] [stderr] | _________________^ [INFO] [stderr] 290 | | true => println!("UPDATED REWARD AMOUNT SUCCESSFULLY!"), [INFO] [stderr] 291 | | false => println!("REWARD AMOUNT UPDATION FAILED!"), [INFO] [stderr] 292 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("UPDATED REWARD AMOUNT SUCCESSFULLY!") } else { println!("REWARD AMOUNT UPDATION 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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:94:8 [INFO] [stderr] | [INFO] [stderr] 94 | let mut block_header = BlockHeader{ [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: The function/method `push_str` doesn't need a mutable reference [INFO] [stderr] --> src/main.rs:146:20 [INFO] [stderr] | [INFO] [stderr] 146 | hash1.push_str(&mut hash2); [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:210:2 [INFO] [stderr] | [INFO] [stderr] 210 | 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:211:2 [INFO] [stderr] | [INFO] [stderr] 211 | 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:213:2 [INFO] [stderr] | [INFO] [stderr] 213 | 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:214:2 [INFO] [stderr] | [INFO] [stderr] 214 | io::stdin().read_line(&mut difficulty_string); [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:229:3 [INFO] [stderr] | [INFO] [stderr] 229 | 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:231:3 [INFO] [stderr] | [INFO] [stderr] 231 | 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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:247:5 [INFO] [stderr] | [INFO] [stderr] 247 | 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:248:5 [INFO] [stderr] | [INFO] [stderr] 248 | io::stdin().read_line(&mut sender); [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:250:5 [INFO] [stderr] | [INFO] [stderr] 250 | 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:251:5 [INFO] [stderr] | [INFO] [stderr] 251 | io::stdin().read_line(&mut recipient); [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:253:5 [INFO] [stderr] | [INFO] [stderr] 253 | 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:254:5 [INFO] [stderr] | [INFO] [stderr] 254 | 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:256:5 [INFO] [stderr] | [INFO] [stderr] 256 | match res { [INFO] [stderr] | _________________^ [INFO] [stderr] 257 | | true => println!("TRANSACTION ADDED SUCCESSFULLY!"), [INFO] [stderr] 258 | | false => println!("TRANSACTION ADDITION FAILED!"), [INFO] [stderr] 259 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("TRANSACTION ADDED SUCCESSFULLY!") } else { println!("TRANSACTION ADDITION 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:265:5 [INFO] [stderr] | [INFO] [stderr] 265 | match res { [INFO] [stderr] | _________________^ [INFO] [stderr] 266 | | true => println!("BLOCK GENERATED SUCCESSFULLY!"), [INFO] [stderr] 267 | | false => println!("BLOCK GENERATION FAILED!"), [INFO] [stderr] 268 | | } [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:274:5 [INFO] [stderr] | [INFO] [stderr] 274 | 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:275:5 [INFO] [stderr] | [INFO] [stderr] 275 | io::stdin().read_line(&mut new_difficulty); [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:277:5 [INFO] [stderr] | [INFO] [stderr] 277 | match res { [INFO] [stderr] | _________________^ [INFO] [stderr] 278 | | true => println!("UPDATED DIFFICULTY SUCCESSFULLY!"), [INFO] [stderr] 279 | | false => println!("DIFFICULTY UPDATION FAILED!"), [INFO] [stderr] 280 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("UPDATED DIFFICULTY SUCCESSFULLY!") } else { println!("DIFFICULTY UPDATION 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:286:5 [INFO] [stderr] | [INFO] [stderr] 286 | 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:287:5 [INFO] [stderr] | [INFO] [stderr] 287 | 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:289:5 [INFO] [stderr] | [INFO] [stderr] 289 | match res { [INFO] [stderr] | _________________^ [INFO] [stderr] 290 | | true => println!("UPDATED REWARD AMOUNT SUCCESSFULLY!"), [INFO] [stderr] 291 | | false => println!("REWARD AMOUNT UPDATION FAILED!"), [INFO] [stderr] 292 | | } [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if res { println!("UPDATED REWARD AMOUNT SUCCESSFULLY!") } else { println!("REWARD AMOUNT UPDATION 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] Finished dev [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `"docker" "inspect" "791f45070fae87670a4c864fdf65f2217768e3afefc4bc69e99ff5728199a76d"` [INFO] running `"docker" "rm" "-f" "791f45070fae87670a4c864fdf65f2217768e3afefc4bc69e99ff5728199a76d"` [INFO] [stdout] 791f45070fae87670a4c864fdf65f2217768e3afefc4bc69e99ff5728199a76d