[INFO] crate ytdl 0.1.5 is already in cache
[INFO] extracting crate ytdl 0.1.5 into work/ex/clippy-test-run/sources/stable/reg/ytdl/0.1.5
[INFO] extracting crate ytdl 0.1.5 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ytdl/0.1.5
[INFO] validating manifest of ytdl-0.1.5 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 ytdl-0.1.5 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 ytdl-0.1.5
[INFO] finished frobbing ytdl-0.1.5
[INFO] frobbed toml for ytdl-0.1.5 written to work/ex/clippy-test-run/sources/stable/reg/ytdl/0.1.5/Cargo.toml
[INFO] started frobbing ytdl-0.1.5
[INFO] finished frobbing ytdl-0.1.5
[INFO] frobbed toml for ytdl-0.1.5 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ytdl/0.1.5/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 ytdl-0.1.5 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/ytdl/0.1.5:/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" "-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] 3f99cf94bc7f0e8c3c6207835aebe592725c155bb620207cb8423e5093f04c21
[INFO] running `"docker" "start" "-a" "3f99cf94bc7f0e8c3c6207835aebe592725c155bb620207cb8423e5093f04c21"`
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking pbr v1.0.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking env-variables v0.1.1
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking hyper-tls v0.1.4
[INFO] [stderr]     Checking reqwest v0.7.3
[INFO] [stderr]     Checking ytdl v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/video_info.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 | /     return parse_query
[INFO] [stderr] 183 | |         .into_owned()
[INFO] [stderr] 184 | |         .collect::<HashMap<String, String>>();
[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] 182 |     parse_query
[INFO] [stderr] 183 |         .into_owned()
[INFO] [stderr] 184 |         .collect::<HashMap<String, String>>()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/video_info.rs:74:43
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let path = u.path().trim_left_matches("/");
[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: length comparison to zero
[INFO] [stderr]   --> src/video_info.rs:75:8
[INFO] [stderr]    |
[INFO] [stderr] 75 |     if path.len() > 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!path.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/video_info.rs:130:46
[INFO] [stderr]     |
[INFO] [stderr] 130 |         video_info.keywords = keywords.split(",").map(|s| s.to_string()).collect();
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/video_info.rs:137:53
[INFO] [stderr]     |
[INFO] [stderr] 137 |         format_strings.append(&mut fmt_stream.split(",").collect())
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/video_info.rs:141:56
[INFO] [stderr]     |
[INFO] [stderr] 141 |         format_strings.append(&mut adaptive_fmts.split(",").collect());
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/format.rs:597:9
[INFO] [stderr]     |
[INFO] [stderr] 597 |         FORMATS.get(&itag).map(|f| f.clone())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `FORMATS.get(&itag).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/format.rs:616:68
[INFO] [stderr]     |
[INFO] [stderr] 616 |                     FormatValue::String(v) => v.trim_right_matches("p").to_string(),
[INFO] [stderr]     |                                                                    ^^^ help: try using a char instead: `'p'`
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/format.rs:621:68
[INFO] [stderr]     |
[INFO] [stderr] 621 |                     FormatValue::String(v) => v.trim_right_matches("p").to_string(),
[INFO] [stderr]     |                                                                    ^^^ help: try using a char instead: `'p'`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/format_list.rs:9:33
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn filter(&self, key: &str, &Vec<&str>) -> Self;
[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: useless use of `format!`
[INFO] [stderr]   --> src/format_list.rs:61:47
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     FormatValue::String(s) => format!("{}", s),
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `s.to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/format_list.rs:62:45
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     FormatValue::Default => format!(""),
[INFO] [stderr]    |                                             ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/format_list.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 if value == format!("{}", v) {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `v.to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/video_info.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 | /     return parse_query
[INFO] [stderr] 183 | |         .into_owned()
[INFO] [stderr] 184 | |         .collect::<HashMap<String, String>>();
[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] 182 |     parse_query
[INFO] [stderr] 183 |         .into_owned()
[INFO] [stderr] 184 |         .collect::<HashMap<String, String>>()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/video_info.rs:74:43
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let path = u.path().trim_left_matches("/");
[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: length comparison to zero
[INFO] [stderr]   --> src/video_info.rs:75:8
[INFO] [stderr]    |
[INFO] [stderr] 75 |     if path.len() > 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!path.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/video_info.rs:130:46
[INFO] [stderr]     |
[INFO] [stderr] 130 |         video_info.keywords = keywords.split(",").map(|s| s.to_string()).collect();
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/video_info.rs:137:53
[INFO] [stderr]     |
[INFO] [stderr] 137 |         format_strings.append(&mut fmt_stream.split(",").collect())
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/video_info.rs:141:56
[INFO] [stderr]     |
[INFO] [stderr] 141 |         format_strings.append(&mut adaptive_fmts.split(",").collect());
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/format.rs:597:9
[INFO] [stderr]     |
[INFO] [stderr] 597 |         FORMATS.get(&itag).map(|f| f.clone())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `FORMATS.get(&itag).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/format.rs:616:68
[INFO] [stderr]     |
[INFO] [stderr] 616 |                     FormatValue::String(v) => v.trim_right_matches("p").to_string(),
[INFO] [stderr]     |                                                                    ^^^ help: try using a char instead: `'p'`
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/format.rs:621:68
[INFO] [stderr]     |
[INFO] [stderr] 621 |                     FormatValue::String(v) => v.trim_right_matches("p").to_string(),
[INFO] [stderr]     |                                                                    ^^^ help: try using a char instead: `'p'`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/format_list.rs:9:33
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn filter(&self, key: &str, &Vec<&str>) -> Self;
[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: useless use of `format!`
[INFO] [stderr]   --> src/format_list.rs:61:47
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     FormatValue::String(s) => format!("{}", s),
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `s.to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/format_list.rs:62:45
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     FormatValue::Default => format!(""),
[INFO] [stderr]    |                                             ^^^^^^^^^^^ help: consider using .to_string(): `"".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/format_list.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 if value == format!("{}", v) {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `v.to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/bin/main.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     println!("");
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/bin/main.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     println!("");
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/bin/main.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |             format!("best"),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"best".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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/bin/main.rs:270:28
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn filter_formats(filters: &Vec<String>, formats: &FormatList) -> FormatList {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/main.rs:270:51
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn filter_formats(filters: &Vec<String>, formats: &FormatList) -> FormatList {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 271 |     let mut formats = formats.clone();
[INFO] [stderr]     |                       --------------- help: change `formats.clone()` to: `formats.to_owned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/main.rs:287:50
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 let split = filter_str.splitn(2, ":").collect::<Vec<&str>>();
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/main.rs:293:47
[INFO] [stderr]     |
[INFO] [stderr] 293 |                 let exclude = key.starts_with("!");
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/main.rs:302:44
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let mut vals = value.split(",").collect::<Vec<&str>>();
[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: the loop variable `i` is only used to index `vals`.
[INFO] [stderr]    --> src/bin/main.rs:303:26
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 for i in 0..vals.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] 303 |                 for <item> in &mut vals {
[INFO] [stderr]     |                     ^^^^^^    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/bin/main.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |             format!("best"),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"best".to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[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/bin/main.rs:270:28
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn filter_formats(filters: &Vec<String>, formats: &FormatList) -> FormatList {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/bin/main.rs:270:51
[INFO] [stderr]     |
[INFO] [stderr] 270 | fn filter_formats(filters: &Vec<String>, formats: &FormatList) -> FormatList {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr] 271 |     let mut formats = formats.clone();
[INFO] [stderr]     |                       --------------- help: change `formats.clone()` to: `formats.to_owned()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/main.rs:287:50
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 let split = filter_str.splitn(2, ":").collect::<Vec<&str>>();
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/main.rs:293:47
[INFO] [stderr]     |
[INFO] [stderr] 293 |                 let exclude = key.starts_with("!");
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/main.rs:302:44
[INFO] [stderr]     |
[INFO] [stderr] 302 |                 let mut vals = value.split(",").collect::<Vec<&str>>();
[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: the loop variable `i` is only used to index `vals`.
[INFO] [stderr]    --> src/bin/main.rs:303:26
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 for i in 0..vals.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] 303 |                 for <item> in &mut vals {
[INFO] [stderr]     |                     ^^^^^^    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.77s
[INFO] running `"docker" "inspect" "3f99cf94bc7f0e8c3c6207835aebe592725c155bb620207cb8423e5093f04c21"`
[INFO] running `"docker" "rm" "-f" "3f99cf94bc7f0e8c3c6207835aebe592725c155bb620207cb8423e5093f04c21"`
[INFO] [stdout] 3f99cf94bc7f0e8c3c6207835aebe592725c155bb620207cb8423e5093f04c21