[INFO] updating cached repository delphix/ptools
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/delphix/ptools
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/delphix/ptools" "work/ex/clippy-test-run/sources/stable/gh/delphix/ptools"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/delphix/ptools'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/delphix/ptools" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/delphix/ptools"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/delphix/ptools'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 19216806a746c0d2d0a71252ef2c5cf80fa014df
[INFO] sha for GitHub repo delphix/ptools: 19216806a746c0d2d0a71252ef2c5cf80fa014df
[INFO] validating manifest of delphix/ptools 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 delphix/ptools 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 delphix/ptools
[INFO] finished frobbing delphix/ptools
[INFO] frobbed toml for delphix/ptools written to work/ex/clippy-test-run/sources/stable/gh/delphix/ptools/Cargo.toml
[INFO] started frobbing delphix/ptools
[INFO] finished frobbing delphix/ptools
[INFO] frobbed toml for delphix/ptools written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/delphix/ptools/Cargo.toml
[INFO] crate delphix/ptools 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 delphix/ptools against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/delphix/ptools:/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] 5b44e4068863d707804a1ce9d1b17cefad46613fe261825e4165cd7ef1e7c51e
[INFO] running `"docker" "start" "-a" "5b44e4068863d707804a1ce9d1b17cefad46613fe261825e4165cd7ef1e7c51e"`
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking ptools v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]   --> src/ptools.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     print!("{}\n", opts.short_usage(program));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/ptools.rs:201:13
[INFO] [stderr]     |
[INFO] [stderr] 201 |             pid: pid,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `pid`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/ptools.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             fields: fields,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `fields`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/ptools.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     print!("\n");
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/ptools.rs:363:5
[INFO] [stderr]     |
[INFO] [stderr] 363 |     print!("\n");
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/ptools.rs:404:9
[INFO] [stderr]     |
[INFO] [stderr] 404 |         print!(" size:{}\n", stat_info.st_size)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/ptools.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 406 |         print!(" rdev:{},{}\n", rdev_major, rdev_minor);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/ptools.rs:421:9
[INFO] [stderr]     |
[INFO] [stderr] 421 |         print!("       {}\n", path.to_str().unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/ptools.rs:590:23
[INFO] [stderr]     |
[INFO] [stderr] 590 |                       inode: inode,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: replace it with: `inode`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/ptools.rs:613:23
[INFO] [stderr]     |
[INFO] [stderr] 613 |                       inode: inode,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: replace it with: `inode`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]   --> src/ptools.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     print!("{}\n", opts.short_usage(program));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/ptools.rs:201:13
[INFO] [stderr]     |
[INFO] [stderr] 201 |             pid: pid,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `pid`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/ptools.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             fields: fields,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `fields`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/ptools.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     print!("\n");
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/ptools.rs:363:5
[INFO] [stderr]     |
[INFO] [stderr] 363 |     print!("\n");
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/ptools.rs:404:9
[INFO] [stderr]     |
[INFO] [stderr] 404 |         print!(" size:{}\n", stat_info.st_size)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/ptools.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 406 |         print!(" rdev:{},{}\n", rdev_major, rdev_minor);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/ptools.rs:421:9
[INFO] [stderr]     |
[INFO] [stderr] 421 |         print!("       {}\n", path.to_str().unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/ptools.rs:590:23
[INFO] [stderr]     |
[INFO] [stderr] 590 |                       inode: inode,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: replace it with: `inode`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/ptools.rs:613:23
[INFO] [stderr]     |
[INFO] [stderr] 613 |                       inode: inode,
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: replace it with: `inode`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/ptools.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     return indent_level + 1;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `indent_level + 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/ptools.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     return indent_level + 1;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `indent_level + 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: enum is never used: `TcpSockState`
[INFO] [stderr]    --> src/ptools.rs:426:1
[INFO] [stderr]     |
[INFO] [stderr] 426 | enum TcpSockState {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/ptools.rs:100:50
[INFO] [stderr]     |
[INFO] [stderr] 100 |     for (i, bytes) in BufReader::new(file).split('\0' as u8).enumerate() {
[INFO] [stderr]     |                                                  ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\0'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/ptools.rs:119:50
[INFO] [stderr]     |
[INFO] [stderr] 119 |     for (i, bytes) in BufReader::new(file).split('\0' as u8).enumerate() {
[INFO] [stderr]     |                                                  ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\0'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `TcpSockState`
[INFO] [stderr]    --> src/ptools.rs:426:1
[INFO] [stderr]     |
[INFO] [stderr] 426 | enum TcpSockState {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/ptools.rs:185:43
[INFO] [stderr]     |
[INFO] [stderr] 185 |                 let substrs = s.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: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/ptools.rs:100:50
[INFO] [stderr]     |
[INFO] [stderr] 100 |     for (i, bytes) in BufReader::new(file).split('\0' as u8).enumerate() {
[INFO] [stderr]     |                                                  ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\0'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/ptools.rs:119:50
[INFO] [stderr]     |
[INFO] [stderr] 119 |     for (i, bytes) in BufReader::new(file).split('\0' as u8).enumerate() {
[INFO] [stderr]     |                                                  ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\0'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/ptools.rs:248:35
[INFO] [stderr]     |
[INFO] [stderr] 248 |             child_map.entry(ppid).or_insert(vec![]).push(pid);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| vec![])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/ptools.rs:266:52
[INFO] [stderr]     |
[INFO] [stderr] 266 |     for arg in BufReader::new(file).take(80).split('\0' as u8) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\0'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/ptools.rs:185:43
[INFO] [stderr]     |
[INFO] [stderr] 185 |                 let substrs = s.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: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/ptools.rs:248:35
[INFO] [stderr]     |
[INFO] [stderr] 248 |             child_map.entry(ppid).or_insert(vec![]).push(pid);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(|| vec![])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/ptools.rs:266:52
[INFO] [stderr]     |
[INFO] [stderr] 266 |     for arg in BufReader::new(file).take(80).split('\0' as u8) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'\0'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/ptools.rs:709:8
[INFO] [stderr]     |
[INFO] [stderr] 709 |     if matches.free.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `matches.free.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: length comparison to zero
[INFO] [stderr]    --> src/ptools.rs:751:8
[INFO] [stderr]     |
[INFO] [stderr] 751 |     if matches.free.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `matches.free.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/ptools.rs:784:8
[INFO] [stderr]     |
[INFO] [stderr] 784 |     if matches.free.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `matches.free.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/ptools.rs:817:8
[INFO] [stderr]     |
[INFO] [stderr] 817 |     if matches.free.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `matches.free.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/ptools.rs:709:8
[INFO] [stderr]     |
[INFO] [stderr] 709 |     if matches.free.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `matches.free.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: length comparison to zero
[INFO] [stderr]    --> src/ptools.rs:751:8
[INFO] [stderr]     |
[INFO] [stderr] 751 |     if matches.free.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `matches.free.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/ptools.rs:784:8
[INFO] [stderr]     |
[INFO] [stderr] 784 |     if matches.free.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `matches.free.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/ptools.rs:817:8
[INFO] [stderr]     |
[INFO] [stderr] 817 |     if matches.free.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `matches.free.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.42s
[INFO] running `"docker" "inspect" "5b44e4068863d707804a1ce9d1b17cefad46613fe261825e4165cd7ef1e7c51e"`
[INFO] running `"docker" "rm" "-f" "5b44e4068863d707804a1ce9d1b17cefad46613fe261825e4165cd7ef1e7c51e"`
[INFO] [stdout] 5b44e4068863d707804a1ce9d1b17cefad46613fe261825e4165cd7ef1e7c51e