[INFO] updating cached repository bootandy/dust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bootandy/dust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bootandy/dust" "work/ex/clippy-test-run/sources/stable/gh/bootandy/dust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/bootandy/dust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bootandy/dust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bootandy/dust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bootandy/dust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0bf4ebf554873ecf42813cb286ac9b7b9d16af47
[INFO] sha for GitHub repo bootandy/dust: 0bf4ebf554873ecf42813cb286ac9b7b9d16af47
[INFO] validating manifest of bootandy/dust 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 bootandy/dust 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 bootandy/dust
[INFO] finished frobbing bootandy/dust
[INFO] frobbed toml for bootandy/dust written to work/ex/clippy-test-run/sources/stable/gh/bootandy/dust/Cargo.toml
[INFO] started frobbing bootandy/dust
[INFO] finished frobbing bootandy/dust
[INFO] frobbed toml for bootandy/dust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/bootandy/dust/Cargo.toml
[INFO] crate bootandy/dust 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 bootandy/dust 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/gh/bootandy/dust:/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] 33f3e4e7a14b19bf4c23cdada36a266a5593e49be10f9a854e6d3bce4f2aa2ab
[INFO] running `"docker" "start" "-a" "33f3e4e7a14b19bf4c23cdada36a266a5593e49be10f9a854e6d3bce4f2aa2ab"`
[INFO] [stderr]    Compiling proc-macro2 v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking tempfile v3.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[INFO] [stderr]    Compiling skeptic v0.13.2
[INFO] [stderr]    Compiling assert_cli v0.5.4
[INFO] [stderr]     Checking du-dust v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/display.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 | ) -> () {
[INFO] [stderr]    |   ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/display.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     return false;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/display.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 |       } else {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 128 | |         if has_children {
[INFO] [stderr] 129 | |             "├─┬"
[INFO] [stderr] 130 | |         } else {
[INFO] [stderr] 131 | |             "├──"
[INFO] [stderr] 132 | |         }
[INFO] [stderr] 133 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 127 |     } else if has_children {
[INFO] [stderr] 128 |     "├─┬"
[INFO] [stderr] 129 | } else {
[INFO] [stderr] 130 |     "├──"
[INFO] [stderr] 131 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/display.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 | ) -> () {
[INFO] [stderr]    |   ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/display.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     return false;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/display.rs:127:12
[INFO] [stderr]     |
[INFO] [stderr] 127 |       } else {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 128 | |         if has_children {
[INFO] [stderr] 129 | |             "├─┬"
[INFO] [stderr] 130 | |         } else {
[INFO] [stderr] 131 | |             "├──"
[INFO] [stderr] 132 | |         }
[INFO] [stderr] 133 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 127 |     } else if has_children {
[INFO] [stderr] 128 |     "├─┬"
[INFO] [stderr] 129 | } else {
[INFO] [stderr] 130 |     "├──"
[INFO] [stderr] 131 | }
[INFO] [stderr]     |
[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/display.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn get_size(nodes: &Vec<(String, u64)>, node_to_print: &String) -> Option<u64> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(String, u64)]`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/display.rs:28:56
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn get_size(nodes: &Vec<(String, u64)>, node_to_print: &String) -> Option<u64> {
[INFO] [stderr]    |                                                        ^^^^^^^ help: change this to: `&str`
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/display.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |     node_to_print: &String,
[INFO] [stderr]    |                    ^^^^^^^ help: change this to: `&str`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/display.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |     to_display: &Vec<(String, u64)>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(String, u64)]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/display.rs:99:31
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn count_siblings(to_display: &Vec<(String, u64)>, num_slashes: usize, ntp: &str) -> u64 {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(String, u64)]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/display.rs:109:29
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn has_children(to_display: &Vec<(String, u64)>, new_depth: Option<u64>, ntp: &str, num_slashes: usize) -> bool {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(String, u64)]`
[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: called `map_or(None, f)` on an Option value. This can be done more directly by calling `and_then(f)` instead
[INFO] [stderr]   --> src/utils/platform.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     d.metadata().ok().map_or(None, |md| {
[INFO] [stderr] 13 | |         let inode = Some((md.ino(), md.dev()));
[INFO] [stderr] 14 | |         if use_apparent_size {
[INFO] [stderr] 15 | |             Some((md.len(), inode))
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |         }
[INFO] [stderr] 19 | |     })
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_or_none)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_or_none
[INFO] [stderr] help: try using and_then instead
[INFO] [stderr]    |
[INFO] [stderr] 12 |     d.metadata().ok().and_then(|md| {
[INFO] [stderr] 13 |         let inode = Some((md.ino(), md.dev()));
[INFO] [stderr] 14 |         if use_apparent_size {
[INFO] [stderr] 15 |             Some((md.len(), inode))
[INFO] [stderr] 16 |         } else {
[INFO] [stderr] 17 |             Some((md.blocks() * get_block_size(), inode))
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you should use the `ends_with` method
[INFO] [stderr]   --> src/utils/mod.rs:53:11
[INFO] [stderr]    |
[INFO] [stderr] 53 |     while new_name.chars().last() == Some('/') && new_name.len() != 1 {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `new_name.ends_with('/')`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::chars_last_cmp)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_last_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/utils/mod.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |     top_dir: &String,
[INFO] [stderr]    |              ^^^^^^^ help: change this to: `&str`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/utils/mod.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         match entry {
[INFO] [stderr] 68 | |             Ok(e) => {
[INFO] [stderr] 69 | |                 let maybe_size_and_inode = get_metadata(&e, apparent_size);
[INFO] [stderr] 70 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 95 | |             _ => {}
[INFO] [stderr] 96 | |         }
[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] 67 |         if let Ok(e) = entry {
[INFO] [stderr] 68 |     let maybe_size_and_inode = get_metadata(&e, apparent_size);
[INFO] [stderr] 69 | 
[INFO] [stderr] 70 |     match maybe_size_and_inode {
[INFO] [stderr] 71 |         Some((size, maybe_inode)) => {
[INFO] [stderr] 72 |             if !apparent_size {
[INFO] [stderr]  ...
[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/display.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn get_size(nodes: &Vec<(String, u64)>, node_to_print: &String) -> Option<u64> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(String, u64)]`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/display.rs:28:56
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn get_size(nodes: &Vec<(String, u64)>, node_to_print: &String) -> Option<u64> {
[INFO] [stderr]    |                                                        ^^^^^^^ help: change this to: `&str`
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/display.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |     node_to_print: &String,
[INFO] [stderr]    |                    ^^^^^^^ help: change this to: `&str`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/display.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |     to_display: &Vec<(String, u64)>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(String, u64)]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/display.rs:99:31
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn count_siblings(to_display: &Vec<(String, u64)>, num_slashes: usize, ntp: &str) -> u64 {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(String, u64)]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/display.rs:109:29
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn has_children(to_display: &Vec<(String, u64)>, new_depth: Option<u64>, ntp: &str, num_slashes: usize) -> bool {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^ help: change this to: `&[(String, u64)]`
[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: called `map_or(None, f)` on an Option value. This can be done more directly by calling `and_then(f)` instead
[INFO] [stderr]   --> src/utils/platform.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     d.metadata().ok().map_or(None, |md| {
[INFO] [stderr] 13 | |         let inode = Some((md.ino(), md.dev()));
[INFO] [stderr] 14 | |         if use_apparent_size {
[INFO] [stderr] 15 | |             Some((md.len(), inode))
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |         }
[INFO] [stderr] 19 | |     })
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_or_none)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_or_none
[INFO] [stderr] help: try using and_then instead
[INFO] [stderr]    |
[INFO] [stderr] 12 |     d.metadata().ok().and_then(|md| {
[INFO] [stderr] 13 |         let inode = Some((md.ino(), md.dev()));
[INFO] [stderr] 14 |         if use_apparent_size {
[INFO] [stderr] 15 |             Some((md.len(), inode))
[INFO] [stderr] 16 |         } else {
[INFO] [stderr] 17 |             Some((md.blocks() * get_block_size(), inode))
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you should use the `ends_with` method
[INFO] [stderr]   --> src/utils/mod.rs:53:11
[INFO] [stderr]    |
[INFO] [stderr] 53 |     while new_name.chars().last() == Some('/') && new_name.len() != 1 {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `new_name.ends_with('/')`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::chars_last_cmp)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_last_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/utils/mod.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |     top_dir: &String,
[INFO] [stderr]    |              ^^^^^^^ help: change this to: `&str`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/utils/mod.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         match entry {
[INFO] [stderr] 68 | |             Ok(e) => {
[INFO] [stderr] 69 | |                 let maybe_size_and_inode = get_metadata(&e, apparent_size);
[INFO] [stderr] 70 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 95 | |             _ => {}
[INFO] [stderr] 96 | |         }
[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] 67 |         if let Ok(e) = entry {
[INFO] [stderr] 68 |     let maybe_size_and_inode = get_metadata(&e, apparent_size);
[INFO] [stderr] 69 | 
[INFO] [stderr] 70 |     match maybe_size_and_inode {
[INFO] [stderr] 71 |         Some((size, maybe_inode)) => {
[INFO] [stderr] 72 |             if !apparent_size {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/tests.rs:94:13
[INFO] [stderr]     |
[INFO] [stderr] 94  |       let r = format!(
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 95  | |         "{}",
[INFO] [stderr] 96  | |         format_string(
[INFO] [stderr] 97  | |             "src/test_dir/many/hello_file",
[INFO] [stderr] ...   |
[INFO] [stderr] 102 | |         ),
[INFO] [stderr] 103 | |     );
[INFO] [stderr]     | |_____^
[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] help: consider using .to_string()
[INFO] [stderr]     |
[INFO] [stderr] 2   | $ crate :: fmt :: format ( format_string(
[INFO] [stderr] 3   |             "src/test_dir/many/hello_file",
[INFO] [stderr] 4   |             true,
[INFO] [stderr] 5   |             true,
[INFO] [stderr] 6   |             "   6B",
[INFO] [stderr] 7   |             "   ├──",
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.84s
[INFO] running `"docker" "inspect" "33f3e4e7a14b19bf4c23cdada36a266a5593e49be10f9a854e6d3bce4f2aa2ab"`
[INFO] running `"docker" "rm" "-f" "33f3e4e7a14b19bf4c23cdada36a266a5593e49be10f9a854e6d3bce4f2aa2ab"`
[INFO] [stdout] 33f3e4e7a14b19bf4c23cdada36a266a5593e49be10f9a854e6d3bce4f2aa2ab