[INFO] updating cached repository yavrib/rust-project-euler [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/yavrib/rust-project-euler [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/yavrib/rust-project-euler" "work/ex/clippy-test-run/sources/stable/gh/yavrib/rust-project-euler"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/yavrib/rust-project-euler'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/yavrib/rust-project-euler" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yavrib/rust-project-euler"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yavrib/rust-project-euler'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 34ffdaca799501a0cef433434188ad1db0adffd5 [INFO] sha for GitHub repo yavrib/rust-project-euler: 34ffdaca799501a0cef433434188ad1db0adffd5 [INFO] validating manifest of yavrib/rust-project-euler 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 yavrib/rust-project-euler 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 yavrib/rust-project-euler [INFO] finished frobbing yavrib/rust-project-euler [INFO] frobbed toml for yavrib/rust-project-euler written to work/ex/clippy-test-run/sources/stable/gh/yavrib/rust-project-euler/Cargo.toml [INFO] started frobbing yavrib/rust-project-euler [INFO] finished frobbing yavrib/rust-project-euler [INFO] frobbed toml for yavrib/rust-project-euler written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yavrib/rust-project-euler/Cargo.toml [INFO] crate yavrib/rust-project-euler 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 yavrib/rust-project-euler against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yavrib/rust-project-euler:/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 -Dclippy::into_iter_on_array" "-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] 20bd501527fc70e6f545fa1396d37fc2a542960e0d9531a8715ef3e70914a648 [INFO] running `"docker" "start" "-a" "20bd501527fc70e6f545fa1396d37fc2a542960e0d9531a8715ef3e70914a648"` [INFO] [stderr] Checking rust-project-euler v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: long literal lacking separators [INFO] [stderr] --> src/solutions/solution02.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | num if num < 4000000 => { [INFO] [stderr] | ^^^^^^^ help: consider: `4_000_000` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unreadable_literal)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal [INFO] [stderr] [INFO] [stderr] warning: long literal lacking separators [INFO] [stderr] --> src/solutions/solution03.rs:7:22 [INFO] [stderr] | [INFO] [stderr] 7 | let mut target = 600851475143f64; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider: `600_851_475_143f64` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/common_operations/prime.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | return next_prime; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `next_prime` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: long literal lacking separators [INFO] [stderr] --> src/solutions/solution02.rs:7:26 [INFO] [stderr] | [INFO] [stderr] 7 | num if num < 4000000 => { [INFO] [stderr] | ^^^^^^^ help: consider: `4_000_000` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unreadable_literal)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal [INFO] [stderr] [INFO] [stderr] warning: long literal lacking separators [INFO] [stderr] --> src/solutions/solution03.rs:7:22 [INFO] [stderr] | [INFO] [stderr] 7 | let mut target = 600851475143f64; [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: consider: `600_851_475_143f64` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/common_operations/prime.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | return next_prime; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `next_prime` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_return)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/solutions/solution01.rs:8:53 [INFO] [stderr] | [INFO] [stderr] 8 | let sum = v.iter().fold(0, |accumulator, &item| match item % 3 == 0 || item % 5 == 0 { [INFO] [stderr] | _____________________________________________________^ [INFO] [stderr] 9 | | true => accumulator + item, [INFO] [stderr] 10 | | false => accumulator [INFO] [stderr] 11 | | }); [INFO] [stderr] | |_____^ help: consider using an if/else expression: `if item % 3 == 0 || item % 5 == 0 { accumulator + item } else { accumulator }` [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: manual implementation of an assign operation [INFO] [stderr] --> src/solutions/solution02.rs:14:17 [INFO] [stderr] | [INFO] [stderr] 14 | iterator = iterator + last_fib; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `iterator += last_fib` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/solutions/solution02.rs:20:53 [INFO] [stderr] | [INFO] [stderr] 20 | let sum = v.iter().fold(0, |accumulator, &item| match item % 2 == 0 { [INFO] [stderr] | _____________________________________________________^ [INFO] [stderr] 21 | | true => accumulator + item, [INFO] [stderr] 22 | | false => accumulator [INFO] [stderr] 23 | | }); [INFO] [stderr] | |_____^ help: consider using an if/else expression: `if item % 2 == 0 { accumulator + item } else { accumulator }` [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: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/solutions/solution03.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | / match target % highest_prime_multiplier == 0f64 { [INFO] [stderr] 12 | | true => { [INFO] [stderr] 13 | | if target == highest_prime_multiplier { [INFO] [stderr] 14 | | break; [INFO] [stderr] ... | [INFO] [stderr] 19 | | false => highest_prime_multiplier = find_next_prime(highest_prime_multiplier) [INFO] [stderr] 20 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool [INFO] [stderr] help: consider using an if/else expression [INFO] [stderr] | [INFO] [stderr] 11 | if target % highest_prime_multiplier == 0f64 { [INFO] [stderr] 12 | if target == highest_prime_multiplier { [INFO] [stderr] 13 | break; [INFO] [stderr] 14 | } else { [INFO] [stderr] 15 | target = target/highest_prime_multiplier; [INFO] [stderr] 16 | } [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] error: strict comparison of f32 or f64 [INFO] [stderr] --> src/solutions/solution03.rs:13:20 [INFO] [stderr] | [INFO] [stderr] 13 | if target == highest_prime_multiplier { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(target - highest_prime_multiplier).abs() < error` [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::float_cmp)] on by default [INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available. [INFO] [stderr] --> src/solutions/solution03.rs:13:20 [INFO] [stderr] | [INFO] [stderr] 13 | if target == highest_prime_multiplier { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/solutions/solution03.rs:16:21 [INFO] [stderr] | [INFO] [stderr] 16 | target = target/highest_prime_multiplier; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `target /= highest_prime_multiplier` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change [INFO] [stderr] --> src/solutions/solution03.rs:27:64 [INFO] [stderr] | [INFO] [stderr] 27 | target as i64, seconds = (elapsed.as_secs() * 1_000) + (elapsed.subsec_nanos() / 1_000_000) as u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(elapsed.subsec_nanos() / 1_000_000)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation [INFO] [stderr] --> src/solutions/solution03.rs:27:64 [INFO] [stderr] | [INFO] [stderr] 27 | target as i64, seconds = (elapsed.as_secs() * 1_000) + (elapsed.subsec_nanos() / 1_000_000) as u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `elapsed.subsec_millis()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::duration_subsec)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec [INFO] [stderr] [INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change [INFO] [stderr] --> src/solutions/solution03.rs:28:54 [INFO] [stderr] | [INFO] [stderr] 28 | milliseconds = (elapsed.as_secs() * 1_000) + (elapsed.subsec_nanos() / 1_000_000) as u64 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(elapsed.subsec_nanos() / 1_000_000)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation [INFO] [stderr] --> src/solutions/solution03.rs:28:54 [INFO] [stderr] | [INFO] [stderr] 28 | milliseconds = (elapsed.as_secs() * 1_000) + (elapsed.subsec_nanos() / 1_000_000) as u64 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `elapsed.subsec_millis()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/common_operations/prime.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | next_prime = next_prime + 1f64; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `next_prime += 1f64` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/common_operations/prime.rs:23:17 [INFO] [stderr] | [INFO] [stderr] 23 | / match (a as i64) % number == 0 { [INFO] [stderr] 24 | | true => false, [INFO] [stderr] 25 | | false => continue [INFO] [stderr] 26 | | }; [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if (a as i64) % number == 0 { false } else { continue }` [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: this call to `as_ref` does nothing [INFO] [stderr] --> src/main.rs:19:15 [INFO] [stderr] | [INFO] [stderr] 19 | match problem_number.trim().as_ref() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `problem_number.trim()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::useless_asref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `rust-project-euler`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/solutions/solution01.rs:8:53 [INFO] [stderr] | [INFO] [stderr] 8 | let sum = v.iter().fold(0, |accumulator, &item| match item % 3 == 0 || item % 5 == 0 { [INFO] [stderr] | _____________________________________________________^ [INFO] [stderr] 9 | | true => accumulator + item, [INFO] [stderr] 10 | | false => accumulator [INFO] [stderr] 11 | | }); [INFO] [stderr] | |_____^ help: consider using an if/else expression: `if item % 3 == 0 || item % 5 == 0 { accumulator + item } else { accumulator }` [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: manual implementation of an assign operation [INFO] [stderr] --> src/solutions/solution02.rs:14:17 [INFO] [stderr] | [INFO] [stderr] 14 | iterator = iterator + last_fib; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `iterator += last_fib` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::assign_op_pattern)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/solutions/solution02.rs:20:53 [INFO] [stderr] | [INFO] [stderr] 20 | let sum = v.iter().fold(0, |accumulator, &item| match item % 2 == 0 { [INFO] [stderr] | _____________________________________________________^ [INFO] [stderr] 21 | | true => accumulator + item, [INFO] [stderr] 22 | | false => accumulator [INFO] [stderr] 23 | | }); [INFO] [stderr] | |_____^ help: consider using an if/else expression: `if item % 2 == 0 { accumulator + item } else { accumulator }` [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: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/solutions/solution03.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | / match target % highest_prime_multiplier == 0f64 { [INFO] [stderr] 12 | | true => { [INFO] [stderr] 13 | | if target == highest_prime_multiplier { [INFO] [stderr] 14 | | break; [INFO] [stderr] ... | [INFO] [stderr] 19 | | false => highest_prime_multiplier = find_next_prime(highest_prime_multiplier) [INFO] [stderr] 20 | | } [INFO] [stderr] | |_________^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool [INFO] [stderr] help: consider using an if/else expression [INFO] [stderr] | [INFO] [stderr] 11 | if target % highest_prime_multiplier == 0f64 { [INFO] [stderr] 12 | if target == highest_prime_multiplier { [INFO] [stderr] 13 | break; [INFO] [stderr] 14 | } else { [INFO] [stderr] 15 | target = target/highest_prime_multiplier; [INFO] [stderr] 16 | } [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] error: strict comparison of f32 or f64 [INFO] [stderr] --> src/solutions/solution03.rs:13:20 [INFO] [stderr] | [INFO] [stderr] 13 | if target == highest_prime_multiplier { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(target - highest_prime_multiplier).abs() < error` [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::float_cmp)] on by default [INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available. [INFO] [stderr] --> src/solutions/solution03.rs:13:20 [INFO] [stderr] | [INFO] [stderr] 13 | if target == highest_prime_multiplier { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/solutions/solution03.rs:16:21 [INFO] [stderr] | [INFO] [stderr] 16 | target = target/highest_prime_multiplier; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `target /= highest_prime_multiplier` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change [INFO] [stderr] --> src/solutions/solution03.rs:27:64 [INFO] [stderr] | [INFO] [stderr] 27 | target as i64, seconds = (elapsed.as_secs() * 1_000) + (elapsed.subsec_nanos() / 1_000_000) as u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(elapsed.subsec_nanos() / 1_000_000)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation [INFO] [stderr] --> src/solutions/solution03.rs:27:64 [INFO] [stderr] | [INFO] [stderr] 27 | target as i64, seconds = (elapsed.as_secs() * 1_000) + (elapsed.subsec_nanos() / 1_000_000) as u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `elapsed.subsec_millis()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::duration_subsec)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec [INFO] [stderr] [INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change [INFO] [stderr] --> src/solutions/solution03.rs:28:54 [INFO] [stderr] | [INFO] [stderr] 28 | milliseconds = (elapsed.as_secs() * 1_000) + (elapsed.subsec_nanos() / 1_000_000) as u64 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(elapsed.subsec_nanos() / 1_000_000)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation [INFO] [stderr] --> src/solutions/solution03.rs:28:54 [INFO] [stderr] | [INFO] [stderr] 28 | milliseconds = (elapsed.as_secs() * 1_000) + (elapsed.subsec_nanos() / 1_000_000) as u64 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `elapsed.subsec_millis()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec [INFO] [stderr] [INFO] [stderr] warning: manual implementation of an assign operation [INFO] [stderr] --> src/common_operations/prime.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | next_prime = next_prime + 1f64; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `next_prime += 1f64` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stderr] [INFO] [stderr] warning: you seem to be trying to match on a boolean expression [INFO] [stderr] --> src/common_operations/prime.rs:23:17 [INFO] [stderr] | [INFO] [stderr] 23 | / match (a as i64) % number == 0 { [INFO] [stderr] 24 | | true => false, [INFO] [stderr] 25 | | false => continue [INFO] [stderr] 26 | | }; [INFO] [stderr] | |_________________^ help: consider using an if/else expression: `if (a as i64) % number == 0 { false } else { continue }` [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: this call to `as_ref` does nothing [INFO] [stderr] --> src/main.rs:19:15 [INFO] [stderr] | [INFO] [stderr] 19 | match problem_number.trim().as_ref() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `problem_number.trim()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::useless_asref)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `rust-project-euler`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "20bd501527fc70e6f545fa1396d37fc2a542960e0d9531a8715ef3e70914a648"` [INFO] running `"docker" "rm" "-f" "20bd501527fc70e6f545fa1396d37fc2a542960e0d9531a8715ef3e70914a648"` [INFO] [stdout] 20bd501527fc70e6f545fa1396d37fc2a542960e0d9531a8715ef3e70914a648