[INFO] updating cached repository nparthas/project_euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nparthas/project_euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nparthas/project_euler" "work/ex/clippy-test-run/sources/stable/gh/nparthas/project_euler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/nparthas/project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nparthas/project_euler" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nparthas/project_euler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nparthas/project_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebce9a505f05f745f29a8e2d979ad45d02b27033
[INFO] sha for GitHub repo nparthas/project_euler: ebce9a505f05f745f29a8e2d979ad45d02b27033
[INFO] validating manifest of nparthas/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 nparthas/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 nparthas/project_euler
[INFO] finished frobbing nparthas/project_euler
[INFO] frobbed toml for nparthas/project_euler written to work/ex/clippy-test-run/sources/stable/gh/nparthas/project_euler/Cargo.toml
[INFO] started frobbing nparthas/project_euler
[INFO] finished frobbing nparthas/project_euler
[INFO] frobbed toml for nparthas/project_euler written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nparthas/project_euler/Cargo.toml
[INFO] crate nparthas/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 nparthas/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-6/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/nparthas/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] 8299c423df5b098da2f5a878340a9a462c812b060624e013cb7089f3faceab29
[INFO] running `"docker" "start" "-a" "8299c423df5b098da2f5a878340a9a462c812b060624e013cb7089f3faceab29"`
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q1.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     return n * p * (p + 1) / 2;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `n * p * (p + 1) / 2`
[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: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q2.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return total;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `total`
[INFO] [stderr]    |
[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/q1_50/q2.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |     while f1 < 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/q1_50/q3.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let num = 600851475143_i64;
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^ help: consider: `600_851_475_143_i64`
[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/q1_50/q4.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     return max;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `max`
[INFO] [stderr]    |
[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/q1_50/q4.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut max: i64 = 100001;
[INFO] [stderr]   |                        ^^^^^^ help: consider: `100_001`
[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/q1_50/q5.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     return num;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `num`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q5.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     return flag;
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `flag`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q6.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     return sum_squared - sum_of_sq;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `sum_squared - sum_of_sq`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q7.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     return num;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `num`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q7.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     return true;
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q8.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     return max;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `max`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q9.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     return -1;
[INFO] [stderr]    |     ^^^^^^^^^^ help: remove `return` as shown: `-1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q9.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     return -1;
[INFO] [stderr]    |     ^^^^^^^^^^ help: remove `return` as shown: `-1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> src/q1_50/q9.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 | /                 if a + b + c == 1000 {
[INFO] [stderr] 23 | |                     if (a as i32).pow(2) + (b as i32).pow(2) == (c as i32).pow(2) {
[INFO] [stderr] 24 | |                         println!("{0}, {1}, {2}", a, b, c,);
[INFO] [stderr] 25 | |                         return a * b * c;
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |
[INFO] [stderr] 29 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 if a + b + c == 1000 && (a as i32).pow(2) + (b as i32).pow(2) == (c as i32).pow(2) {
[INFO] [stderr] 23 |     println!("{0}, {1}, {2}", a, b, c,);
[INFO] [stderr] 24 |     return a * b * c;
[INFO] [stderr] 25 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q10.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     return sum;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `sum`
[INFO] [stderr]    |
[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/q1_50/q10.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const LIMIT: usize = 2000000;
[INFO] [stderr]   |                          ^^^^^^^ help: consider: `2_000_000`
[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/q1_50/q10.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     return sum;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `sum`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q10.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         return true;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[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/q1_50/q10.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |     for i in 2..2000000 {
[INFO] [stderr]    |                 ^^^^^^^ help: consider: `2_000_000`
[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/q1_50/q11.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     return lar_prod;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `lar_prod`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q1.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     return n * p * (p + 1) / 2;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `n * p * (p + 1) / 2`
[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: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q2.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return total;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `total`
[INFO] [stderr]    |
[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/q1_50/q2.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |     while f1 < 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/q1_50/q3.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let num = 600851475143_i64;
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^ help: consider: `600_851_475_143_i64`
[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/q1_50/q4.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     return max;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `max`
[INFO] [stderr]    |
[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/q1_50/q4.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut max: i64 = 100001;
[INFO] [stderr]   |                        ^^^^^^ help: consider: `100_001`
[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/q1_50/q5.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     return num;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `num`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q5.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     return flag;
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `flag`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q6.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     return sum_squared - sum_of_sq;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `sum_squared - sum_of_sq`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q7.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     return num;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `num`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q12.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     return -1;
[INFO] [stderr]    |     ^^^^^^^^^^ help: remove `return` as shown: `-1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q12.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         return count;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/q1_50/q13.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     return result;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q14.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     return longest_staring as i64;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `longest_staring as i64`
[INFO] [stderr]    |
[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/q1_50/q14.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 |     while i < 1000000 {
[INFO] [stderr]   |               ^^^^^^^ help: consider: `1_000_000`
[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/q1_50/q15.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     return result;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q15.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     return num; // 40! / 20! 20 ! -> 21..40 / 20!
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `num`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q15.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | /     return {
[INFO] [stderr] 46 | |         let mut temp: i64 = num as i64;
[INFO] [stderr] 47 | |         for i in 2..num {
[INFO] [stderr] 48 | |             temp *= i as i64;
[INFO] [stderr] 49 | |         }
[INFO] [stderr] 50 | |         temp
[INFO] [stderr] 51 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 45 |     {
[INFO] [stderr] 46 |         let mut temp: i64 = num as i64;
[INFO] [stderr] 47 |         for i in 2..num {
[INFO] [stderr] 48 |             temp *= i as i64;
[INFO] [stderr] 49 |         }
[INFO] [stderr] 50 |         temp
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q15.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     return true;
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q16.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     return dig_sum;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `dig_sum`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q17.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return count;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q18.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: immediately dereferencing a reference
[INFO] [stderr]   --> src/q1_50/q18.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut length = *&tri_vec.len();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: try this: `tri_vec.len()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::deref_addrof)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q19.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return count;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q20.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     return dig_sum;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `dig_sum`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q21.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     return sum as i64;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `sum as i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q21.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     return sum;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `sum`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q22.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     return total;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `total`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q22.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     return total;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `total`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q23.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return sum;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `sum`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q23.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return sum;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `sum`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q24.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     return sum;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `sum`
[INFO] [stderr]    |
[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/q1_50/q24.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |     for _ in 1..1000000 {
[INFO] [stderr]   |                 ^^^^^^^ help: consider: `1_000_000`
[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/q1_50/q25.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     return count;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/q51_100/q67.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     return tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: immediately dereferencing a reference
[INFO] [stderr]    --> src/q51_100/q67.rs:116:22
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let mut length = *&tri_vec.len();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^ help: try this: `tri_vec.len()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]  --> src/main.rs:8:42
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn run_and_print(function: &Fn() -> i64) -> () {
[INFO] [stderr]   |                                          ^^^^^ help: remove the `-> ()`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q7.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     return true;
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q8.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     return max;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `max`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q9.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     return -1;
[INFO] [stderr]    |     ^^^^^^^^^^ help: remove `return` as shown: `-1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q9.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     return -1;
[INFO] [stderr]    |     ^^^^^^^^^^ help: remove `return` as shown: `-1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> src/q1_50/q9.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 | /                 if a + b + c == 1000 {
[INFO] [stderr] 23 | |                     if (a as i32).pow(2) + (b as i32).pow(2) == (c as i32).pow(2) {
[INFO] [stderr] 24 | |                         println!("{0}, {1}, {2}", a, b, c,);
[INFO] [stderr] 25 | |                         return a * b * c;
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |
[INFO] [stderr] 29 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 if a + b + c == 1000 && (a as i32).pow(2) + (b as i32).pow(2) == (c as i32).pow(2) {
[INFO] [stderr] 23 |     println!("{0}, {1}, {2}", a, b, c,);
[INFO] [stderr] 24 |     return a * b * c;
[INFO] [stderr] 25 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q10.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     return sum;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `sum`
[INFO] [stderr]    |
[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/q1_50/q10.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 |     const LIMIT: usize = 2000000;
[INFO] [stderr]   |                          ^^^^^^^ help: consider: `2_000_000`
[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/q1_50/q10.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     return sum;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `sum`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q10.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         return true;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[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/q1_50/q10.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |     for i in 2..2000000 {
[INFO] [stderr]    |                 ^^^^^^^ help: consider: `2_000_000`
[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/q1_50/q11.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     return lar_prod;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `lar_prod`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q12.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     return -1;
[INFO] [stderr]    |     ^^^^^^^^^^ help: remove `return` as shown: `-1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q12.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         return count;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/q1_50/q13.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     return result;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q14.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     return longest_staring as i64;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `longest_staring as i64`
[INFO] [stderr]    |
[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/q1_50/q14.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 |     while i < 1000000 {
[INFO] [stderr]   |               ^^^^^^^ help: consider: `1_000_000`
[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/q1_50/q15.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     return result;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q15.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     return num; // 40! / 20! 20 ! -> 21..40 / 20!
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `num`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q15.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | /     return {
[INFO] [stderr] 46 | |         let mut temp: i64 = num as i64;
[INFO] [stderr] 47 | |         for i in 2..num {
[INFO] [stderr] 48 | |             temp *= i as i64;
[INFO] [stderr] 49 | |         }
[INFO] [stderr] 50 | |         temp
[INFO] [stderr] 51 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 45 |     {
[INFO] [stderr] 46 |         let mut temp: i64 = num as i64;
[INFO] [stderr] 47 |         for i in 2..num {
[INFO] [stderr] 48 |             temp *= i as i64;
[INFO] [stderr] 49 |         }
[INFO] [stderr] 50 |         temp
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q15.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     return true;
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q16.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     return dig_sum;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `dig_sum`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q17.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return count;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q18.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: immediately dereferencing a reference
[INFO] [stderr]   --> src/q1_50/q18.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let mut length = *&tri_vec.len();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: try this: `tri_vec.len()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::deref_addrof)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q19.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     return count;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q20.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     return dig_sum;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `dig_sum`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q21.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     return sum as i64;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `sum as i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q21.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     return sum;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `sum`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q22.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     return total;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `total`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q22.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     return total;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `total`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q23.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     return sum;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `sum`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q23.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return sum;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `sum`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/q1_50/q24.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     return sum;
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `sum`
[INFO] [stderr]    |
[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/q1_50/q24.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 |     for _ in 1..1000000 {
[INFO] [stderr]   |                 ^^^^^^^ help: consider: `1_000_000`
[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/q1_50/q25.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     return count;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/q51_100/q67.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     return tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: immediately dereferencing a reference
[INFO] [stderr]    --> src/q51_100/q67.rs:116:22
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let mut length = *&tri_vec.len();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^ help: try this: `tri_vec.len()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]  --> src/main.rs:8:42
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn run_and_print(function: &Fn() -> i64) -> () {
[INFO] [stderr]   |                                          ^^^^^ help: remove the `-> ()`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]  --> src/q1_50/q5.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 |         for j in 2..(i as f64).sqrt() as i64 + 1 {
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `2..=(i as f64).sqrt() as i64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]  --> src/q1_50/q6.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for i in 1..num + 1 {
[INFO] [stderr]   |              ^^^^^^^^^^ help: use: `1..=num`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/q1_50/q7.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 |     for i in 2..(num as f64).sqrt() as i64 + 1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `2..=(num as f64).sqrt() as i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q8.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |         curr_product *= num as i64;
[INFO] [stderr]    |                         ^^^^^^^^^^ help: try: `i64::from(num)`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q8.rs:47:25
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 temp *= *i as i64;
[INFO] [stderr]    |                         ^^^^^^^^^ help: try: `i64::from(*i)`
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/q1_50/q10.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |         for i in 2..(num as f64).sqrt() as i64 + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `2..=(num as f64).sqrt() as i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `count` is used as a loop counter. Consider using `for (count, item) in str_vec.enumerate()` or similar iterators
[INFO] [stderr]   --> src/q1_50/q11.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |         for s in str_vec {
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:50:33
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i][j + 1] as i64 *
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:50:57
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i][j + 1] as i64 *
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j + 1])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     grid_vec[i][j + 2] as i64 *
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j + 2])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     grid_vec[i][j + 3] as i64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j + 3])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:60:33
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i + 1][j] as i64 *
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:60:57
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i + 1][j] as i64 *
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i + 1][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     grid_vec[i + 2][j] as i64 *
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i + 2][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     grid_vec[i + 3][j] as i64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i + 3][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:70:33
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i + 1][j + 1] as i64 *
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:70:57
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i + 1][j + 1] as i64 *
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i + 1][j + 1])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |                     grid_vec[i + 2][j + 2] as i64 *
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i + 2][j + 2])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |                     grid_vec[i + 3][j + 3] as i64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i + 3][j + 3])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i - 1][j + 1] as i64 *
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:80:57
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i - 1][j + 1] as i64 *
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i - 1][j + 1])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     grid_vec[i - 2][j + 2] as i64 *
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i - 2][j + 2])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     grid_vec[i - 3][j + 3] as i64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i - 3][j + 3])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/q1_50/q13.rs:113:22
[INFO] [stderr]     |
[INFO] [stderr] 113 |             carry += (s.as_bytes()[i] - b'0') as i64;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(s.as_bytes()[i] - b'0')`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]  --> src/q1_50/q15.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |         let j: f64 = i as i32 as f64;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^ help: try: `f64::from(i as i32)`
[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: the loop variable `i` is only used to index `prime_array`.
[INFO] [stderr]   --> src/q1_50/q15.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |         for i in 1..18 {
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 24 |         for <item> in prime_array.iter_mut().take(18).skip(1) {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/q1_50/q15.rs:55:14
[INFO] [stderr]    |
[INFO] [stderr] 55 |     for i in 2..(num as f64).sqrt() as i64 + 1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `2..=(num as f64).sqrt() as i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `prime_array`.
[INFO] [stderr]   --> src/q1_50/q15.rs:73:14
[INFO] [stderr]    |
[INFO] [stderr] 73 |     for i in 0..18 {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 73 |     for <item> in prime_array.iter().take(18) {
[INFO] [stderr]    |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q16.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |         dig_sum += c.to_digit(10).unwrap() as i64;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(c.to_digit(10).unwrap())`
[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: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q17.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     (sum * 100 * 9) as i64
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(sum * 100 * 9)`
[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: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q17.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     (sum * 9 * 99) as i64
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(sum * 9 * 99)`
[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: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q18.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^ help: try: `i64::from(tri_vec[0])`
[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: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q18.rs:49:32
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(cmp::max(tri_vec[1], tri_vec[2]))`
[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: casting i16 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q19.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mth: f64 = ((month - 3) % 12 + 1) as f64;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from((month - 3) % 12 + 1)`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q19.rs:22:28
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let yr: i16 = if mth > 10 as f64 { (year - 1) } else { year };
[INFO] [stderr]    |                            ^^^^^^^^^ help: try: `f64::from(10)`
[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: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q20.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |         dig_sum += c.to_digit(10).unwrap() as i64;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(c.to_digit(10).unwrap())`
[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: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q21.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     return sum as i64;
[INFO] [stderr]    |            ^^^^^^^^^^ help: try: `i64::from(sum)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q21.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |     for i in 2..(num as f64).sqrt() as u32 {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: try: `f64::from(num)`
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/q1_50/q22.rs:28:54
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut contents_vec: Vec<&str> = contents.split(",").collect();
[INFO] [stderr]    |                                                      ^^^ help: try using a char instead: `','`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `abundant_sum_array`
[INFO] [stderr]   --> src/q1_50/q23.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 |     for i in 1..LIMIT as usize {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 12 |     for (i, <item>) in abundant_sum_array.iter().enumerate().take(LIMIT as usize).skip(1) {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/q1_50/q23.rs:53:53
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn create_abundant_sum_array(arr: &mut [bool], vec: &Vec<i64>, size: i64) {
[INFO] [stderr]    |                                                     ^^^^^^^^^ help: change this to: `&[i64]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/q1_50/q24.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 |     if array.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `array.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]  --> src/q1_50/q5.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 |         for j in 2..(i as f64).sqrt() as i64 + 1 {
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `2..=(i as f64).sqrt() as i64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]  --> src/q1_50/q6.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for i in 1..num + 1 {
[INFO] [stderr]   |              ^^^^^^^^^^ help: use: `1..=num`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/q1_50/q7.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 |     for i in 2..(num as f64).sqrt() as i64 + 1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `2..=(num as f64).sqrt() as i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/q1_50/q27.rs:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 |     for i in 2..((num as f64).sqrt() as i64 + 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `2..=(num as f64).sqrt() as i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q8.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |         curr_product *= num as i64;
[INFO] [stderr]    |                         ^^^^^^^^^^ help: try: `i64::from(num)`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q8.rs:47:25
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 temp *= *i as i64;
[INFO] [stderr]    |                         ^^^^^^^^^ help: try: `i64::from(*i)`
[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: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/q51_100/q67.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 134 |     return tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64;
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: try: `i64::from(tri_vec[0])`
[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: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/q51_100/q67.rs:134:32
[INFO] [stderr]     |
[INFO] [stderr] 134 |     return tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(cmp::max(tri_vec[1], tri_vec[2]))`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:15:42
[INFO] [stderr]    |
[INFO] [stderr] 15 |         now.elapsed().as_secs() as f64 + now.elapsed().subsec_nanos() as f64 * 1e-9,
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(now.elapsed().subsec_nanos())`
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/q1_50/q10.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |         for i in 2..(num as f64).sqrt() as i64 + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `2..=(num as f64).sqrt() as i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `count` is used as a loop counter. Consider using `for (count, item) in str_vec.enumerate()` or similar iterators
[INFO] [stderr]   --> src/q1_50/q11.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |         for s in str_vec {
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:50:33
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i][j + 1] as i64 *
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:50:57
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i][j + 1] as i64 *
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j + 1])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |                     grid_vec[i][j + 2] as i64 *
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j + 2])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     grid_vec[i][j + 3] as i64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j + 3])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:60:33
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i + 1][j] as i64 *
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:60:57
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i + 1][j] as i64 *
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i + 1][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:61:21
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     grid_vec[i + 2][j] as i64 *
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i + 2][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     grid_vec[i + 3][j] as i64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i + 3][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:70:33
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i + 1][j + 1] as i64 *
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:70:57
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i + 1][j + 1] as i64 *
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i + 1][j + 1])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:71:21
[INFO] [stderr]    |
[INFO] [stderr] 71 |                     grid_vec[i + 2][j + 2] as i64 *
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i + 2][j + 2])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |                     grid_vec[i + 3][j + 3] as i64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i + 3][j + 3])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:80:33
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i - 1][j + 1] as i64 *
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i][j])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:80:57
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let prod: i64 = grid_vec[i][j] as i64 * grid_vec[i - 1][j + 1] as i64 *
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i - 1][j + 1])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     grid_vec[i - 2][j + 2] as i64 *
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i - 2][j + 2])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q11.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 |                     grid_vec[i - 3][j + 3] as i64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(grid_vec[i - 3][j + 3])`
[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: casting u8 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/q1_50/q13.rs:113:22
[INFO] [stderr]     |
[INFO] [stderr] 113 |             carry += (s.as_bytes()[i] - b'0') as i64;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(s.as_bytes()[i] - b'0')`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]  --> src/q1_50/q15.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |         let j: f64 = i as i32 as f64;
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^ help: try: `f64::from(i as i32)`
[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: the loop variable `i` is only used to index `prime_array`.
[INFO] [stderr]   --> src/q1_50/q15.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |         for i in 1..18 {
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 24 |         for <item> in prime_array.iter_mut().take(18).skip(1) {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/q1_50/q15.rs:55:14
[INFO] [stderr]    |
[INFO] [stderr] 55 |     for i in 2..(num as f64).sqrt() as i64 + 1 {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `2..=(num as f64).sqrt() as i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `prime_array`.
[INFO] [stderr]   --> src/q1_50/q15.rs:73:14
[INFO] [stderr]    |
[INFO] [stderr] 73 |     for i in 0..18 {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 73 |     for <item> in prime_array.iter().take(18) {
[INFO] [stderr]    |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q16.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |         dig_sum += c.to_digit(10).unwrap() as i64;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(c.to_digit(10).unwrap())`
[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: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q17.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     (sum * 100 * 9) as i64
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(sum * 100 * 9)`
[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: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q17.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     (sum * 9 * 99) as i64
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(sum * 9 * 99)`
[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: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q18.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^ help: try: `i64::from(tri_vec[0])`
[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: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q18.rs:49:32
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(cmp::max(tri_vec[1], tri_vec[2]))`
[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: casting i16 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q19.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mth: f64 = ((month - 3) % 12 + 1) as f64;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from((month - 3) % 12 + 1)`
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q19.rs:22:28
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let yr: i16 = if mth > 10 as f64 { (year - 1) } else { year };
[INFO] [stderr]    |                            ^^^^^^^^^ help: try: `f64::from(10)`
[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: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q20.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |         dig_sum += c.to_digit(10).unwrap() as i64;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(c.to_digit(10).unwrap())`
[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: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q21.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     return sum as i64;
[INFO] [stderr]    |            ^^^^^^^^^^ help: try: `i64::from(sum)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/q1_50/q21.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |     for i in 2..(num as f64).sqrt() as u32 {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: try: `f64::from(num)`
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/q1_50/q22.rs:28:54
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut contents_vec: Vec<&str> = contents.split(",").collect();
[INFO] [stderr]    |                                                      ^^^ help: try using a char instead: `','`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `abundant_sum_array`
[INFO] [stderr]   --> src/q1_50/q23.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 |     for i in 1..LIMIT as usize {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 12 |     for (i, <item>) in abundant_sum_array.iter().enumerate().take(LIMIT as usize).skip(1) {
[INFO] [stderr]    |         ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/q1_50/q23.rs:53:53
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn create_abundant_sum_array(arr: &mut [bool], vec: &Vec<i64>, size: i64) {
[INFO] [stderr]    |                                                     ^^^^^^^^^ help: change this to: `&[i64]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/q1_50/q24.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 |     if array.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `array.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/q1_50/q27.rs:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 |     for i in 2..((num as f64).sqrt() as i64 + 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `2..=(num as f64).sqrt() as i64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/q51_100/q67.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 134 |     return tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64;
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: try: `i64::from(tri_vec[0])`
[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: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/q51_100/q67.rs:134:32
[INFO] [stderr]     |
[INFO] [stderr] 134 |     return tri_vec[0] as i64 + cmp::max(tri_vec[1], tri_vec[2]) as i64;
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(cmp::max(tri_vec[1], tri_vec[2]))`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:15:42
[INFO] [stderr]    |
[INFO] [stderr] 15 |         now.elapsed().as_secs() as f64 + now.elapsed().subsec_nanos() as f64 * 1e-9,
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(now.elapsed().subsec_nanos())`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `"docker" "inspect" "8299c423df5b098da2f5a878340a9a462c812b060624e013cb7089f3faceab29"`
[INFO] running `"docker" "rm" "-f" "8299c423df5b098da2f5a878340a9a462c812b060624e013cb7089f3faceab29"`
[INFO] [stdout] 8299c423df5b098da2f5a878340a9a462c812b060624e013cb7089f3faceab29