[INFO] crate slash-formatter 2.1.0 is already in cache
[INFO] extracting crate slash-formatter 2.1.0 into work/ex/clippy-test-run/sources/stable/reg/slash-formatter/2.1.0
[INFO] extracting crate slash-formatter 2.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/slash-formatter/2.1.0
[INFO] validating manifest of slash-formatter-2.1.0 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 slash-formatter-2.1.0 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 slash-formatter-2.1.0
[INFO] finished frobbing slash-formatter-2.1.0
[INFO] frobbed toml for slash-formatter-2.1.0 written to work/ex/clippy-test-run/sources/stable/reg/slash-formatter/2.1.0/Cargo.toml
[INFO] started frobbing slash-formatter-2.1.0
[INFO] finished frobbing slash-formatter-2.1.0
[INFO] frobbed toml for slash-formatter-2.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/slash-formatter/2.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 slash-formatter-2.1.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/slash-formatter/2.1.0:/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] 19329ba77b0a0d3ecaab2989a99642439bb966cecbc83a8939a0e51b763a3dcb
[INFO] running `"docker" "start" "-a" "19329ba77b0a0d3ecaab2989a99642439bb966cecbc83a8939a0e51b763a3dcb"`
[INFO] [stderr]     Checking slash-formatter v2.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/slash.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         return &s[..length - 1];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&s[..length - 1]`
[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/slash.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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/slash.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/slash.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         return &s[1..];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `&s[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/slash.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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/slash.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/slash.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/slash.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/slash.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     return delete_end_slash_owned(add_end_slash_owned(s1) + delete_start_slash(s2));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `delete_end_slash_owned(add_end_slash_owned(s1) + delete_start_slash(s2))`
[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/backslash.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         return &s[..length - 1];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&s[..length - 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/backslash.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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/backslash.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/backslash.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         return &s[1..];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `&s[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/backslash.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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/backslash.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/backslash.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/backslash.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/backslash.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     return delete_end_backslash_owned(add_end_backslash_owned(s1) + delete_start_backslash(s2));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `delete_end_backslash_owned(add_end_backslash_owned(s1) + delete_start_backslash(s2))`
[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/file_separator.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         return &s[..length - 1];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&s[..length - 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/file_separator.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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/file_separator.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/file_separator.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         return &s[1..];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `&s[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/file_separator.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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/file_separator.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/file_separator.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/file_separator.rs:239:5
[INFO] [stderr]     |
[INFO] [stderr] 239 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/file_separator.rs:296:5
[INFO] [stderr]     |
[INFO] [stderr] 296 |     return delete_end_file_separator_owned(add_end_file_separator_owned(s1) + delete_start_file_separator(s2));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `delete_end_file_separator_owned(add_end_file_separator_owned(s1) + delete_start_file_separator(s2))`
[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/slash.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         return &s[..length - 1];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&s[..length - 1]`
[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/slash.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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/slash.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/slash.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         return &s[1..];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `&s[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/slash.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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/slash.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/slash.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/slash.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/slash.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     return delete_end_slash_owned(add_end_slash_owned(s1) + delete_start_slash(s2));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `delete_end_slash_owned(add_end_slash_owned(s1) + delete_start_slash(s2))`
[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/backslash.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         return &s[..length - 1];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&s[..length - 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/backslash.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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/backslash.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/backslash.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         return &s[1..];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `&s[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/backslash.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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/backslash.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/backslash.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/backslash.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/backslash.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     return delete_end_backslash_owned(add_end_backslash_owned(s1) + delete_start_backslash(s2));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `delete_end_backslash_owned(add_end_backslash_owned(s1) + delete_start_backslash(s2))`
[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/file_separator.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         return &s[..length - 1];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&s[..length - 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/file_separator.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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/file_separator.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     return s;
[INFO] [stderr]    |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/file_separator.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         return &s[1..];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `&s[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/file_separator.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         return s;
[INFO] [stderr]    |         ^^^^^^^^^ help: remove `return` as shown: `s`
[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/file_separator.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/file_separator.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/file_separator.rs:239:5
[INFO] [stderr]     |
[INFO] [stderr] 239 |     return s;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `s`
[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/file_separator.rs:296:5
[INFO] [stderr]     |
[INFO] [stderr] 296 |     return delete_end_file_separator_owned(add_end_file_separator_owned(s1) + delete_start_file_separator(s2));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `delete_end_file_separator_owned(add_end_file_separator_owned(s1) + delete_start_file_separator(s2))`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "19329ba77b0a0d3ecaab2989a99642439bb966cecbc83a8939a0e51b763a3dcb"`
[INFO] running `"docker" "rm" "-f" "19329ba77b0a0d3ecaab2989a99642439bb966cecbc83a8939a0e51b763a3dcb"`
[INFO] [stdout] 19329ba77b0a0d3ecaab2989a99642439bb966cecbc83a8939a0e51b763a3dcb