[INFO] cloning repository https://github.com/gleb-skobinsky/rustleetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gleb-skobinsky/rustleetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgleb-skobinsky%2Frustleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgleb-skobinsky%2Frustleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 569c15def33d9760ad1508cdf1efcd2204a8110a
[INFO] linting gleb-skobinsky/rustleetcode against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgleb-skobinsky%2Frustleetcode" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gleb-skobinsky/rustleetcode
[INFO] finished tweaking git repo https://github.com/gleb-skobinsky/rustleetcode
[INFO] tweaked toml for git repo https://github.com/gleb-skobinsky/rustleetcode written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gleb-skobinsky/rustleetcode on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gleb-skobinsky/rustleetcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7364a657acd98479402d5e2719cd8aa08d8859de076cee53d7239d332ac9a1b6
[INFO] running `Command { std: "docker" "start" "-a" "7364a657acd98479402d5e2719cd8aa08d8859de076cee53d7239d332ac9a1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7364a657acd98479402d5e2719cd8aa08d8859de076cee53d7239d332ac9a1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7364a657acd98479402d5e2719cd8aa08d8859de076cee53d7239d332ac9a1b6", kill_on_drop: false }`
[INFO] [stdout] 7364a657acd98479402d5e2719cd8aa08d8859de076cee53d7239d332ac9a1b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b9589da87f4580fe9460e778c12b0332ca34d81d747280f0c1e500873da70a9
[INFO] running `Command { std: "docker" "start" "-a" "1b9589da87f4580fe9460e778c12b0332ca34d81d747280f0c1e500873da70a9", kill_on_drop: false }`
[INFO] [stderr]     Checking rustleetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/reverse_strings.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut bytes = unsafe { s.as_bytes_mut() };
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse_vowels2` is never used
[INFO] [stdout]   --> src/reverse_strings.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout]  3 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn reverse_vowels2(mut s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_vowel2` is never used
[INFO] [stdout]   --> src/reverse_strings.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn is_vowel2(c: &u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/gcd_of_strings.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         return str1[0..length_of_str1].to_owned();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 19 -         return str1[0..length_of_str1].to_owned();
[INFO] [stdout] 19 +         str1[0..length_of_str1].to_owned()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]  --> src/candies.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |         if !max_candies.is_none() {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ help: try: `max_candies.is_some()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]   = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `max_candies` after checking its variant with `is_none`
[INFO] [stdout]  --> src/candies.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |         if !max_candies.is_none() {
[INFO] [stdout]   |             --------------------- the check is happening here
[INFO] [stdout] 8 |             max = max_candies.unwrap().to_owned();
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: try using `match`
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]   = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/candies.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         return candies.iter().map(|it| max <= it + extra_candies).collect();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 10 -         return candies.iter().map(|it| max <= it + extra_candies).collect();
[INFO] [stdout] 10 +         candies.iter().map(|it| max <= it + extra_candies).collect()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/flowers.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         return plots <= 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 27 -         return plots <= 0;
[INFO] [stdout] 27 +         plots <= 0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/reverse_strings.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         return arr.into_iter().collect();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 25 -         return arr.into_iter().collect();
[INFO] [stdout] 25 +         arr.into_iter().collect()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/reverse_strings.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     match char {
[INFO] [stdout] 44 | |         'a' |
[INFO] [stdout] 45 | |         'A' |
[INFO] [stdout] 46 | |         'e' |
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |         _ => false
[INFO] [stdout] 55 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 43 ~     matches!(char, 'a' |
[INFO] [stdout] 44 +         'A' |
[INFO] [stdout] 45 +         'e' |
[INFO] [stdout] 46 +         'E' |
[INFO] [stdout] 47 +         'i' |
[INFO] [stdout] 48 +         'I' |
[INFO] [stdout] 49 +         'o' |
[INFO] [stdout] 50 +         'O' |
[INFO] [stdout] 51 +         'u' |
[INFO] [stdout] 52 +         'U')
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `nums`
[INFO] [stdout]  --> src/product_except_self.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |         for i in 0..nums.len() {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]   = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]   |
[INFO] [stdout] 7 -         for i in 0..nums.len() {
[INFO] [stdout] 7 +         for <item> in &nums {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/reverse_strings.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut bytes = unsafe { s.as_bytes_mut() };
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `format!` in `println!` args
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     println!("{}", format!("{:?}", Solution::product_except_self(vec![1, 2, 3, 4])))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: combine the `format!(..)` arguments with the outer `println!(..)` call
[INFO] [stdout]    = help: or consider changing `format!` to `format_args!`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_in_format_args
[INFO] [stdout]    = note: `#[warn(clippy::format_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse_vowels2` is never used
[INFO] [stdout]   --> src/reverse_strings.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout]  3 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn reverse_vowels2(mut s: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_vowel2` is never used
[INFO] [stdout]   --> src/reverse_strings.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn is_vowel2(c: &u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/gcd_of_strings.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         return str1[0..length_of_str1].to_owned();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 19 -         return str1[0..length_of_str1].to_owned();
[INFO] [stdout] 19 +         str1[0..length_of_str1].to_owned()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]  --> src/candies.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |         if !max_candies.is_none() {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ help: try: `max_candies.is_some()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]   = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `max_candies` after checking its variant with `is_none`
[INFO] [stdout]  --> src/candies.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 7 |         if !max_candies.is_none() {
[INFO] [stdout]   |             --------------------- the check is happening here
[INFO] [stdout] 8 |             max = max_candies.unwrap().to_owned();
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: try using `match`
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]   = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/candies.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         return candies.iter().map(|it| max <= it + extra_candies).collect();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 10 -         return candies.iter().map(|it| max <= it + extra_candies).collect();
[INFO] [stdout] 10 +         candies.iter().map(|it| max <= it + extra_candies).collect()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/flowers.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         return plots <= 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 27 -         return plots <= 0;
[INFO] [stdout] 27 +         plots <= 0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/reverse_strings.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         return arr.into_iter().collect();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 25 -         return arr.into_iter().collect();
[INFO] [stdout] 25 +         arr.into_iter().collect()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/reverse_strings.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     match char {
[INFO] [stdout] 44 | |         'a' |
[INFO] [stdout] 45 | |         'A' |
[INFO] [stdout] 46 | |         'e' |
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |         _ => false
[INFO] [stdout] 55 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 43 ~     matches!(char, 'a' |
[INFO] [stdout] 44 +         'A' |
[INFO] [stdout] 45 +         'e' |
[INFO] [stdout] 46 +         'E' |
[INFO] [stdout] 47 +         'i' |
[INFO] [stdout] 48 +         'I' |
[INFO] [stdout] 49 +         'o' |
[INFO] [stdout] 50 +         'O' |
[INFO] [stdout] 51 +         'u' |
[INFO] [stdout] 52 +         'U')
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `nums`
[INFO] [stdout]  --> src/product_except_self.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |         for i in 0..nums.len() {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]   = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]   |
[INFO] [stdout] 7 -         for i in 0..nums.len() {
[INFO] [stdout] 7 +         for <item> in &nums {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `format!` in `println!` args
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     println!("{}", format!("{:?}", Solution::product_except_self(vec![1, 2, 3, 4])))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: combine the `format!(..)` arguments with the outer `println!(..)` call
[INFO] [stdout]    = help: or consider changing `format!` to `format_args!`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_in_format_args
[INFO] [stdout]    = note: `#[warn(clippy::format_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "1b9589da87f4580fe9460e778c12b0332ca34d81d747280f0c1e500873da70a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b9589da87f4580fe9460e778c12b0332ca34d81d747280f0c1e500873da70a9", kill_on_drop: false }`
[INFO] [stdout] 1b9589da87f4580fe9460e778c12b0332ca34d81d747280f0c1e500873da70a9