[INFO] updating cached repository theswiftfox/mpbenchparser_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/theswiftfox/mpbenchparser_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/theswiftfox/mpbenchparser_rust" "work/ex/clippy-test-run/sources/stable/gh/theswiftfox/mpbenchparser_rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/theswiftfox/mpbenchparser_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/theswiftfox/mpbenchparser_rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/theswiftfox/mpbenchparser_rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/theswiftfox/mpbenchparser_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 617c84b216f7699063eb30ccd123b47bcf5c9a29
[INFO] sha for GitHub repo theswiftfox/mpbenchparser_rust: 617c84b216f7699063eb30ccd123b47bcf5c9a29
[INFO] validating manifest of theswiftfox/mpbenchparser_rust 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 theswiftfox/mpbenchparser_rust 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 theswiftfox/mpbenchparser_rust
[INFO] finished frobbing theswiftfox/mpbenchparser_rust
[INFO] frobbed toml for theswiftfox/mpbenchparser_rust written to work/ex/clippy-test-run/sources/stable/gh/theswiftfox/mpbenchparser_rust/Cargo.toml
[INFO] started frobbing theswiftfox/mpbenchparser_rust
[INFO] finished frobbing theswiftfox/mpbenchparser_rust
[INFO] frobbed toml for theswiftfox/mpbenchparser_rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/theswiftfox/mpbenchparser_rust/Cargo.toml
[INFO] crate theswiftfox/mpbenchparser_rust 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 theswiftfox/mpbenchparser_rust 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-1/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/theswiftfox/mpbenchparser_rust:/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] 6af8d28f03a22472855172edc78426911ef1c9be17c97274413b0a770eb80a01
[INFO] running `"docker" "start" "-a" "6af8d28f03a22472855172edc78426911ef1c9be17c97274413b0a770eb80a01"`
[INFO] [stderr]     Checking combine_results v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/benchmark.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     return String::from(format!(
[INFO] [stderr] 82 | |         "Name{}Threads{}Reps{}TestTime{}Delay{}Samples{}Avg{}Min{}Max{}S.D{}Outliers{}Time{}TimeDeriv{}Overhead{}OverheadDeriv",
[INFO] [stderr] 83 | |         delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim
[INFO] [stderr] 84 | |     ));
[INFO] [stderr]    | |_______^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 81 |     String::from(format!(
[INFO] [stderr] 82 |         "Name{}Threads{}Reps{}TestTime{}Delay{}Samples{}Avg{}Min{}Max{}S.D{}Outliers{}Time{}TimeDeriv{}Overhead{}OverheadDeriv",
[INFO] [stderr] 83 |         delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim
[INFO] [stderr] 84 |     ))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/benchmark.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     return formatted;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `formatted`
[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/benchmark.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 | /         return Benchmark {
[INFO] [stderr] 111 | |             config: this.config,
[INFO] [stderr] 112 | |             sections: combined
[INFO] [stderr] 113 | |         };
[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] 110 |         Benchmark {
[INFO] [stderr] 111 |             config: this.config,
[INFO] [stderr] 112 |             sections: combined
[INFO] [stderr] 113 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/benchmark.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 | /         return Benchmark {
[INFO] [stderr] 116 | |             config: this.config,
[INFO] [stderr] 117 | |             sections: this.sections.clone()
[INFO] [stderr] 118 | |         }
[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] 115 |         Benchmark {
[INFO] [stderr] 116 |             config: this.config,
[INFO] [stderr] 117 |             sections: this.sections.clone()
[INFO] [stderr] 118 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/benchmark.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     return section;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `section`
[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/main.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     return content;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `content`
[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/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     return out;
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `out`
[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/benchmark.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     return String::from(format!(
[INFO] [stderr] 82 | |         "Name{}Threads{}Reps{}TestTime{}Delay{}Samples{}Avg{}Min{}Max{}S.D{}Outliers{}Time{}TimeDeriv{}Overhead{}OverheadDeriv",
[INFO] [stderr] 83 | |         delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim
[INFO] [stderr] 84 | |     ));
[INFO] [stderr]    | |_______^
[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] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 81 |     String::from(format!(
[INFO] [stderr] 82 |         "Name{}Threads{}Reps{}TestTime{}Delay{}Samples{}Avg{}Min{}Max{}S.D{}Outliers{}Time{}TimeDeriv{}Overhead{}OverheadDeriv",
[INFO] [stderr] 83 |         delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim
[INFO] [stderr] 84 |     ))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/benchmark.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     return formatted;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `formatted`
[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/benchmark.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 | /         return Benchmark {
[INFO] [stderr] 111 | |             config: this.config,
[INFO] [stderr] 112 | |             sections: combined
[INFO] [stderr] 113 | |         };
[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] 110 |         Benchmark {
[INFO] [stderr] 111 |             config: this.config,
[INFO] [stderr] 112 |             sections: combined
[INFO] [stderr] 113 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/benchmark.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 | /         return Benchmark {
[INFO] [stderr] 116 | |             config: this.config,
[INFO] [stderr] 117 | |             sections: this.sections.clone()
[INFO] [stderr] 118 | |         }
[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] 115 |         Benchmark {
[INFO] [stderr] 116 |             config: this.config,
[INFO] [stderr] 117 |             sections: this.sections.clone()
[INFO] [stderr] 118 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/benchmark.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     return section;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `section`
[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/main.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     return content;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `content`
[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/main.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     return out;
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `out`
[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: identical conversion
[INFO] [stderr]   --> src/benchmark.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |       return String::from(format!(
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 82 | |         "Name{}Threads{}Reps{}TestTime{}Delay{}Samples{}Avg{}Min{}Max{}S.D{}Outliers{}Time{}TimeDeriv{}Overhead{}OverheadDeriv",
[INFO] [stderr] 83 | |         delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim
[INFO] [stderr] 84 | |     ));
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] help: consider removing `String::from()`
[INFO] [stderr]    |
[INFO] [stderr] 81 |     return format!(
[INFO] [stderr] 82 |         "Name{}Threads{}Reps{}TestTime{}Delay{}Samples{}Avg{}Min{}Max{}S.D{}Outliers{}Time{}TimeDeriv{}Overhead{}OverheadDeriv",
[INFO] [stderr] 83 |         delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim
[INFO] [stderr] 84 |     );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/benchmark.rs:194:31
[INFO] [stderr]     |
[INFO] [stderr] 194 |     while let Some(content) = line.next() {
[INFO] [stderr]     |                               ^^^^^^^^^^^ help: try: `for content in line { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[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/benchmark.rs:211:35
[INFO] [stderr]     |
[INFO] [stderr] 211 | fn create_section_from_data(data: &Vec<&str>) -> Section {
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: change this to: `&[&str]`
[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: this loop could be written as a `for` loop
[INFO] [stderr]   --> src/main.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     while let Some(arg) = args.next() {
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: try: `for arg in args { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if folders.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `folders.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: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:26:36
[INFO] [stderr]    |
[INFO] [stderr] 26 |         for path in rel_path.split(";") {
[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 only used to index `combined`.
[INFO] [stderr]   --> src/main.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |             for i in 0 .. combined.len() {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/benchmark.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |       return String::from(format!(
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 82 | |         "Name{}Threads{}Reps{}TestTime{}Delay{}Samples{}Avg{}Min{}Max{}S.D{}Outliers{}Time{}TimeDeriv{}Overhead{}OverheadDeriv",
[INFO] [stderr] 83 | |         delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim
[INFO] [stderr] 84 | |     ));
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] help: consider removing `String::from()`
[INFO] [stderr]    |
[INFO] [stderr] 81 |     return format!(
[INFO] [stderr] 82 |         "Name{}Threads{}Reps{}TestTime{}Delay{}Samples{}Avg{}Min{}Max{}S.D{}Outliers{}Time{}TimeDeriv{}Overhead{}OverheadDeriv",
[INFO] [stderr] 83 |         delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim, delim
[INFO] [stderr] 84 |     );
[INFO] [stderr]    |
[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] 42 |             for <item> in &mut combined {
[INFO] [stderr]    |                 ^^^^^^    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:96:31
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let parts = relpath.split("/");
[INFO] [stderr]    |                               ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]    |
[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: this loop could be written as a `for` loop
[INFO] [stderr]    --> src/benchmark.rs:194:31
[INFO] [stderr]     |
[INFO] [stderr] 194 |     while let Some(content) = line.next() {
[INFO] [stderr]     |                               ^^^^^^^^^^^ help: try: `for content in line { .. }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[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/benchmark.rs:211:35
[INFO] [stderr]     |
[INFO] [stderr] 211 | fn create_section_from_data(data: &Vec<&str>) -> Section {
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: change this to: `&[&str]`
[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: this loop could be written as a `for` loop
[INFO] [stderr]   --> src/main.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     while let Some(arg) = args.next() {
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: try: `for arg in args { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     if folders.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `folders.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: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:26:36
[INFO] [stderr]    |
[INFO] [stderr] 26 |         for path in rel_path.split(";") {
[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 only used to index `combined`.
[INFO] [stderr]   --> src/main.rs:42:22
[INFO] [stderr]    |
[INFO] [stderr] 42 |             for i in 0 .. combined.len() {
[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] 42 |             for <item> in &mut combined {
[INFO] [stderr]    |                 ^^^^^^    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:96:31
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let parts = relpath.split("/");
[INFO] [stderr]    |                               ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "6af8d28f03a22472855172edc78426911ef1c9be17c97274413b0a770eb80a01"`
[INFO] running `"docker" "rm" "-f" "6af8d28f03a22472855172edc78426911ef1c9be17c97274413b0a770eb80a01"`
[INFO] [stdout] 6af8d28f03a22472855172edc78426911ef1c9be17c97274413b0a770eb80a01