[INFO] updating cached repository jswz72/rush
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jswz72/rush
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jswz72/rush" "work/ex/clippy-test-run/sources/stable/gh/jswz72/rush"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jswz72/rush'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jswz72/rush" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jswz72/rush"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jswz72/rush'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08b196eb1d94ac57a659c027143134e56629bcb0
[INFO] sha for GitHub repo jswz72/rush: 08b196eb1d94ac57a659c027143134e56629bcb0
[INFO] validating manifest of jswz72/rush 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 jswz72/rush 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 jswz72/rush
[INFO] finished frobbing jswz72/rush
[INFO] frobbed toml for jswz72/rush written to work/ex/clippy-test-run/sources/stable/gh/jswz72/rush/Cargo.toml
[INFO] started frobbing jswz72/rush
[INFO] finished frobbing jswz72/rush
[INFO] frobbed toml for jswz72/rush written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jswz72/rush/Cargo.toml
[INFO] crate jswz72/rush 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 jswz72/rush 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/gh/jswz72/rush:/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] 87d5f4418c3dff7019d5cf49d5c3e3339a7757f6e26ce5e28ab5bf1edcdb8c5c
[INFO] running `"docker" "start" "-a" "87d5f4418c3dff7019d5cf49d5c3e3339a7757f6e26ce5e28ab5bf1edcdb8c5c"`
[INFO] [stderr]     Checking rush v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]  --> src/commands/utils.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let home_dir = env::home_dir().unwrap();
[INFO] [stderr]   |                    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/config.rs:160:11
[INFO] [stderr]     |
[INFO] [stderr] 160 |     match env::home_dir() {
[INFO] [stderr]     |           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]  --> src/commands/utils.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let home_dir = env::home_dir().unwrap();
[INFO] [stderr]   |                    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/config.rs:160:11
[INFO] [stderr]     |
[INFO] [stderr] 160 |     match env::home_dir() {
[INFO] [stderr]     |           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]  --> src/commands/pwd.rs:6:47
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn execute<'a>(oh: &'a mut OutputHandler, command: &BasicCommand) -> Result<&'a mut OutputHandler, io::Error>{
[INFO] [stderr]   |                                               ^^^^^^^ help: consider using `_command` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]  --> src/commands/cat.rs:5:47
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn execute<'a>(oh: &'a mut OutputHandler, command: &FileCommand) -> Result<&'a mut OutputHandler, io::Error>{
[INFO] [stderr]   |                                               ^^^^^^^ help: consider using `_command` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]  --> src/commands/pwd.rs:6:47
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn execute<'a>(oh: &'a mut OutputHandler, command: &BasicCommand) -> Result<&'a mut OutputHandler, io::Error>{
[INFO] [stderr]   |                                               ^^^^^^^ help: consider using `_command` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]  --> src/commands/cat.rs:5:47
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn execute<'a>(oh: &'a mut OutputHandler, command: &FileCommand) -> Result<&'a mut OutputHandler, io::Error>{
[INFO] [stderr]   |                                               ^^^^^^^ help: consider using `_command` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/config.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut config_file = fs::read_to_string(RCFILE);
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/config.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut config_file = fs::read_to_string(RCFILE);
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]  --> src/commands/utils.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 |     if paths.len() == 0 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `paths.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: identical conversion
[INFO] [stderr]  --> src/commands/utils.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 |         return Ok(vec![PathBuf::from(cur_dir)]);
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `PathBuf::from()`: `cur_dir`
[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] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/commands/utils.rs:12:52
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut path_builder = if path.starts_with("~") {
[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/commands/utils.rs:20:36
[INFO] [stderr]    |
[INFO] [stderr] 20 |         } else if path.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: length comparison to zero
[INFO] [stderr]  --> src/commands/utils.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 |     if paths.len() == 0 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `paths.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: identical conversion
[INFO] [stderr]  --> src/commands/utils.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 |         return Ok(vec![PathBuf::from(cur_dir)]);
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `PathBuf::from()`: `cur_dir`
[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] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/commands/utils.rs:12:52
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let mut path_builder = if path.starts_with("~") {
[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/commands/utils.rs:20:36
[INFO] [stderr]    |
[INFO] [stderr] 20 |         } else if path.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/commands/mod.rs:39:52
[INFO] [stderr]    |
[INFO] [stderr] 39 |             let is_flag = |i: &&str| i.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: you should consider adding a `Default` implementation for `config::Config`
[INFO] [stderr]   --> src/config.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     pub fn new() -> Config {
[INFO] [stderr] 28 | |         let mut config_file = fs::read_to_string(RCFILE);
[INFO] [stderr] 29 | |         let mut config = match config_file {
[INFO] [stderr] 30 | |             Err(_) => { 
[INFO] [stderr] ...  |
[INFO] [stderr] 55 | |         config
[INFO] [stderr] 56 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Default for config::Config {
[INFO] [stderr] 27 |     fn default() -> Self {
[INFO] [stderr] 28 |         Self::new()
[INFO] [stderr] 29 |     }
[INFO] [stderr] 30 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/commands/mod.rs:39:52
[INFO] [stderr]    |
[INFO] [stderr] 39 |             let is_flag = |i: &&str| i.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: redundant pattern matching, consider using `is_none()`
[INFO] [stderr]    --> src/config.rs:126:12
[INFO] [stderr]     |
[INFO] [stderr] 126 |     if let None = index { return None }
[INFO] [stderr]     |     -------^^^^------------------------ help: try this: `if index.is_none()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `config::Config`
[INFO] [stderr]   --> src/config.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     pub fn new() -> Config {
[INFO] [stderr] 28 | |         let mut config_file = fs::read_to_string(RCFILE);
[INFO] [stderr] 29 | |         let mut config = match config_file {
[INFO] [stderr] 30 | |             Err(_) => { 
[INFO] [stderr] ...  |
[INFO] [stderr] 55 | |         config
[INFO] [stderr] 56 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/config.rs:158:12
[INFO] [stderr]     |
[INFO] [stderr] 158 |     if let Err(_) = path { return String::from(unixdata::UNKNOWN) }
[INFO] [stderr]     |     -------^^^^^^-------------------------------------------------- help: try this: `if path.is_err()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/lib.rs:44:23
[INFO] [stderr]    |
[INFO] [stderr] 44 |     if input.contains("|") {
[INFO] [stderr]    |                       ^^^ help: try using a char instead: `'|'`
[INFO] [stderr]    |
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Default for config::Config {
[INFO] [stderr] 27 |     fn default() -> Self {
[INFO] [stderr] 28 |         Self::new()
[INFO] [stderr] 29 |     }
[INFO] [stderr] 30 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stderr]    --> src/config.rs:126:12
[INFO] [stderr]     |
[INFO] [stderr] 126 |     if let None = index { return None }
[INFO] [stderr]     |     -------^^^^------------------------ help: try this: `if index.is_none()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[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/lib.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let pipe_sections = input.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: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/config.rs:158:12
[INFO] [stderr]     |
[INFO] [stderr] 158 |     if let Err(_) = path { return String::from(unixdata::UNKNOWN) }
[INFO] [stderr]     |     -------^^^^^^-------------------------------------------------- help: try this: `if path.is_err()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 | /             match command {
[INFO] [stderr] 116 | |                 Command::Ls(file_cmd) => {
[INFO] [stderr] 117 | |                         let FileCommand { mut files, flags } = file_cmd;
[INFO] [stderr] 118 | |                         let add_in = str::from_utf8(&output).unwrap().trim();
[INFO] [stderr] ...   |
[INFO] [stderr] 123 | |                 _ => ()
[INFO] [stderr] 124 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 115 |             if let Command::Ls(file_cmd) = command {
[INFO] [stderr] 116 |         let FileCommand { mut files, flags } = file_cmd;
[INFO] [stderr] 117 |         let add_in = str::from_utf8(&output).unwrap().trim();
[INFO] [stderr] 118 |         files.push(add_in);
[INFO] [stderr] 119 |         let cmd = Command::Ls(FileCommand { files, flags });
[INFO] [stderr] 120 |         cmd.execute(&mut oh)?;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/lib.rs:44:23
[INFO] [stderr]    |
[INFO] [stderr] 44 |     if input.contains("|") {
[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/lib.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let pipe_sections = input.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 | /             match command {
[INFO] [stderr] 116 | |                 Command::Ls(file_cmd) => {
[INFO] [stderr] 117 | |                         let FileCommand { mut files, flags } = file_cmd;
[INFO] [stderr] 118 | |                         let add_in = str::from_utf8(&output).unwrap().trim();
[INFO] [stderr] ...   |
[INFO] [stderr] 123 | |                 _ => ()
[INFO] [stderr] 124 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 115 |             if let Command::Ls(file_cmd) = command {
[INFO] [stderr] 116 |         let FileCommand { mut files, flags } = file_cmd;
[INFO] [stderr] 117 |         let add_in = str::from_utf8(&output).unwrap().trim();
[INFO] [stderr] 118 |         files.push(add_in);
[INFO] [stderr] 119 |         let cmd = Command::Ls(FileCommand { files, flags });
[INFO] [stderr] 120 |         cmd.execute(&mut oh)?;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "87d5f4418c3dff7019d5cf49d5c3e3339a7757f6e26ce5e28ab5bf1edcdb8c5c"`
[INFO] running `"docker" "rm" "-f" "87d5f4418c3dff7019d5cf49d5c3e3339a7757f6e26ce5e28ab5bf1edcdb8c5c"`
[INFO] [stdout] 87d5f4418c3dff7019d5cf49d5c3e3339a7757f6e26ce5e28ab5bf1edcdb8c5c