[INFO] updating cached repository cshaffer/advent_2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cshaffer/advent_2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cshaffer/advent_2017" "work/ex/clippy-test-run/sources/stable/gh/cshaffer/advent_2017"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/cshaffer/advent_2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cshaffer/advent_2017" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cshaffer/advent_2017"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cshaffer/advent_2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 96ccf7be81dc5a12d7600d765701091585a7f090
[INFO] sha for GitHub repo cshaffer/advent_2017: 96ccf7be81dc5a12d7600d765701091585a7f090
[INFO] validating manifest of cshaffer/advent_2017 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 cshaffer/advent_2017 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 cshaffer/advent_2017
[INFO] finished frobbing cshaffer/advent_2017
[INFO] frobbed toml for cshaffer/advent_2017 written to work/ex/clippy-test-run/sources/stable/gh/cshaffer/advent_2017/Cargo.toml
[INFO] started frobbing cshaffer/advent_2017
[INFO] finished frobbing cshaffer/advent_2017
[INFO] frobbed toml for cshaffer/advent_2017 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/cshaffer/advent_2017/Cargo.toml
[INFO] crate cshaffer/advent_2017 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 cshaffer/advent_2017 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/cshaffer/advent_2017:/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] f0ac8b43bcd8e5ddfc9c9701a6ade6b9bd13ff0447f19e6e4e09811eb0d451bf
[INFO] running `"docker" "start" "-a" "f0ac8b43bcd8e5ddfc9c9701a6ade6b9bd13ff0447f19e6e4e09811eb0d451bf"`
[INFO] [stderr]     Checking advent_2017 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/passphrase.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     s
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/passphrase.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let s = String::from_iter(chars);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/realloc.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         return memory
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `memory`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]  --> src/spiral_memory.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     distance
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]  --> src/spiral_memory.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let distance = (x.abs() + y.abs()) as u32;
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/passphrase.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     s
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/passphrase.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let s = String::from_iter(chars);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/realloc.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         return memory
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `memory`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]  --> src/spiral_memory.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     distance
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]  --> src/spiral_memory.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let distance = (x.abs() + y.abs()) as u32;
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `checksum`
[INFO] [stderr]  --> src/checksum.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn checksum(numbers: Vec<Vec<u32>>, pair_finder: fn(Vec<u32>) -> (u32, u32), pair_transformation: fn(u32, u32) -> u32) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divisible`
[INFO] [stderr]   --> src/checksum.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn divisible(first: u32, second: u32) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divisible_values`
[INFO] [stderr]   --> src/checksum.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn divisible_values(row: Vec<u32>) -> (u32, u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `extreme_values`
[INFO] [stderr]   --> src/checksum.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn extreme_values(row: Vec<u32>) -> (u32, u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quotient`
[INFO] [stderr]   --> src/checksum.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn quotient(first: u32, second: u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `difference`
[INFO] [stderr]   --> src/checksum.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn difference(first: u32, second: u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_one_line`
[INFO] [stderr]  --> src/io.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_one_line() -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_int_arrays_from_file`
[INFO] [stderr]   --> src/io.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn read_int_arrays_from_file(path: String) -> Vec<Vec<u32>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_string_arrays_from_file`
[INFO] [stderr]   --> src/io.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn read_string_arrays_from_file(path: String) -> Vec<Vec<String>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_string_lines_from_file`
[INFO] [stderr]   --> src/io.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn read_string_lines_from_file(path: String) -> Vec<String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_int_array_from_file`
[INFO] [stderr]   --> src/io.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn read_int_array_from_file(path: String) -> Vec<u32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inverse_captcha`
[INFO] [stderr]  --> src/inverse_captcha.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn inverse_captcha(digits: String) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sum_of_matching_offset_digits`
[INFO] [stderr]  --> src/inverse_captcha.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn sum_of_matching_offset_digits(v: &Vec<u32>, offset_function: fn(&Vec<u32>) -> usize) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_string_of_digits`
[INFO] [stderr]   --> src/inverse_captcha.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn parse_string_of_digits(input: String) -> Vec<u32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `just_one`
[INFO] [stderr]   --> src/inverse_captcha.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn just_one<A>(_: &Vec<A>) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `length_over_two`
[INFO] [stderr]   --> src/inverse_captcha.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn length_over_two<A>(vector: &Vec<A>) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `valid_count`
[INFO] [stderr]  --> src/passphrase.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn valid_count(phrases: Vec<Vec<String>>) -> usize {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sort_word`
[INFO] [stderr]   --> src/passphrase.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn sort_word(word: &String) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `valid_passphrase`
[INFO] [stderr]   --> src/passphrase.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn valid_passphrase(phrase: &Vec<String>) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `construct_tower`
[INFO] [stderr]  --> src/tower.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn construct_tower(input: Vec<String>) -> (HashMap<String, String>, HashMap<String, u32>, HashMap<String, Vec<String>>) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_weight`
[INFO] [stderr]   --> src/tower.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn parse_weight(text: String) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_weight_at_node`
[INFO] [stderr]   --> src/tower.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn find_weight_at_node(tower: HashMap<String, Vec<String>>, weights: HashMap<String, u32>, node: String) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_node_weights`
[INFO] [stderr]   --> src/tower.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn print_node_weights(tower: HashMap<String, Vec<String>>, weights: HashMap<String, u32>, root: String) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_root_of_tower`
[INFO] [stderr]   --> src/tower.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn find_root_of_tower(tower: HashMap<String, String>) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `realloc`
[INFO] [stderr]  --> src/realloc.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn realloc(memory: Vec<u32>) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `redistribute`
[INFO] [stderr]   --> src/realloc.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn redistribute(memory: Vec<u32>, blocks: u32, next_index: usize) -> Vec<u32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_index_of_max_value`
[INFO] [stderr]   --> src/realloc.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn find_index_of_max_value(memory: Vec<u32>) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `manhattan_distance`
[INFO] [stderr]  --> src/spiral_memory.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn manhattan_distance(destination: u32) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `travel_spiral`
[INFO] [stderr]  --> src/spiral_memory.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn travel_spiral(destination: u32) -> (i32, i32) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `spiral_sum`
[INFO] [stderr]   --> src/spiral_memory.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn spiral_sum(input: u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_comparison`
[INFO] [stderr]  --> src/registers.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn parse_comparison(operator: String) -> (fn(&i32, &i32) -> bool) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_operator`
[INFO] [stderr]   --> src/registers.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn parse_operator(operator: String) -> (fn(i32, i32) -> i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_instructions`
[INFO] [stderr]   --> src/registers.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn run_instructions(input: Vec<String>) -> HashMap<String, i32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_largest_value`
[INFO] [stderr]   --> src/registers.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn find_largest_value(registers: HashMap<String, i32>) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_garbage`
[INFO] [stderr]  --> src/stream.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn count_garbage(stream: String) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hash`
[INFO] [stderr]  --> src/knot.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn hash(lengths_string: String) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reverse_sublist`
[INFO] [stderr]   --> src/knot.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn reverse_sublist(list: Vec<u32>, index: usize, size: usize) -> Vec<u32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inverse_captcha_main`
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn inverse_captcha_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `checksum_main`
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn checksum_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `spiral_memory_main`
[INFO] [stderr]   --> src/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn spiral_memory_main(input: u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `passphrase_main`
[INFO] [stderr]   --> src/main.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn passphrase_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `realloc_main`
[INFO] [stderr]   --> src/main.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn realloc_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tower_main`
[INFO] [stderr]   --> src/main.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn tower_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `registers_main`
[INFO] [stderr]   --> src/main.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn registers_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stream_main`
[INFO] [stderr]   --> src/main.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn stream_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `knot_main`
[INFO] [stderr]   --> src/main.rs:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn knot_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/io.rs:27:61
[INFO] [stderr]    |
[INFO] [stderr] 27 |     contents.lines().map(|line| line.split_whitespace().map(|w| String::from(w)).collect()).collect()
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/io.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     contents.lines().map(|line| String::from(line)).collect()
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[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/inverse_captcha.rs:5:37
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn sum_of_matching_offset_digits(v: &Vec<u32>, offset_function: fn(&Vec<u32>) -> usize) -> u32 {
[INFO] [stderr]   |                                     ^^^^^^^^^ help: change this to: `&[u32]`
[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/inverse_captcha.rs:26:19
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn just_one<A>(_: &Vec<A>) -> usize {
[INFO] [stderr]    |                   ^^^^^^^ help: change this to: `&[A]`
[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/inverse_captcha.rs:30:31
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn length_over_two<A>(vector: &Vec<A>) -> usize {
[INFO] [stderr]    |                               ^^^^^^^ help: change this to: `&[A]`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/jump.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         i = i + jump;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `i += jump`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/passphrase.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn sort_word(word: &String) -> 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/passphrase.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn valid_passphrase(phrase: &Vec<String>) -> bool {
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]  --> src/tower.rs:5:47
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn construct_tower(input: Vec<String>) -> (HashMap<String, String>, HashMap<String, u32>, HashMap<String, Vec<String>>) {
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]  --> src/tower.rs:9:86
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let definitions:Vec<Vec<String>> = input.iter().map(|s| s.split_whitespace().map(|x| String::from(x)).collect()).collect();
[INFO] [stderr]   |                                                                                      ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/tower.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |                 let name = def[i].clone().split(",").map(|x| String::from(x)).collect::<Vec<String>>()[0].clone();
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/tower.rs:15:49
[INFO] [stderr]    |
[INFO] [stderr] 15 |                 let name = def[i].clone().split(",").map(|x| String::from(x)).collect::<Vec<String>>()[0].clone();
[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: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/tower.rs:36:22
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let own_weight = weights.get(&node).unwrap();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&weights[&node]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/tower.rs:38:11
[INFO] [stderr]    |
[INFO] [stderr] 38 |         (*tower.get(&node).unwrap()).clone()
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&tower[&node]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/tower.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 |     if children.len() > 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!children.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: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/tower.rs:54:34
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let children:Vec<String> = (*tower.get(&root).unwrap()).clone();
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&tower[&root]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/tower.rs:56:47
[INFO] [stderr]    |
[INFO] [stderr] 56 |         println!("Child: {} ({}): {}", child, weights.get(&child).unwrap(), find_weight_at_node(tower.clone(), weights.clone(), child.clone()));
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&weights[&child]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/tower.rs:70:23
[INFO] [stderr]    |
[INFO] [stderr] 70 |             current = tower.get(&current).unwrap().clone();
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&tower[&current]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/realloc.rs:26:20
[INFO] [stderr]    |
[INFO] [stderr] 26 |     current_step - seen_states.get(&memory).unwrap()
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&seen_states[&memory]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]  --> src/registers.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 |     if operator == ">".to_string() {
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^ help: try: `">"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]  --> src/registers.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 |     } else if operator == "<".to_string() {
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^ help: try: `"<"`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]  --> src/registers.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 |     } else if operator == "==".to_string() {
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^ help: try: `"=="`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> src/registers.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 |     } else if operator == ">=".to_string() {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: try: `">="`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> src/registers.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |     } else if operator == "<=".to_string() {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: try: `"<="`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> src/registers.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |     if operator == "inc".to_string() {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^ help: try: `"inc"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/registers.rs:28:87
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let instructions:Vec<Vec<String>> = input.iter().map(|s| s.split_whitespace().map(|x| String::from(x)).collect()).collect();
[INFO] [stderr]    |                                                                                       ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/registers.rs:36:14
[INFO] [stderr]    |
[INFO] [stderr] 36 |             *registers.get(&register).unwrap()
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&registers[&register]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/registers.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 42 |             *registers.get(&conditional_register).unwrap()
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&registers[&conditional_register]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: taken reference of right operand
[INFO] [stderr]   --> src/registers.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |         if val > &max {
[INFO] [stderr]    |            ^^^^^^----
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: use the right value directly: `max`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/knot.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut reversed:Vec<u32> = list.iter().cycle().skip(index).take(size).map(|x| *x).collect::<Vec<u32>>();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `list.iter().cycle().skip(index).take(size).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: function is never used: `checksum`
[INFO] [stderr]  --> src/checksum.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn checksum(numbers: Vec<Vec<u32>>, pair_finder: fn(Vec<u32>) -> (u32, u32), pair_transformation: fn(u32, u32) -> u32) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divisible`
[INFO] [stderr]   --> src/checksum.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn divisible(first: u32, second: u32) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divisible_values`
[INFO] [stderr]   --> src/checksum.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn divisible_values(row: Vec<u32>) -> (u32, u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `extreme_values`
[INFO] [stderr]   --> src/checksum.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn extreme_values(row: Vec<u32>) -> (u32, u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quotient`
[INFO] [stderr]   --> src/checksum.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn quotient(first: u32, second: u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `difference`
[INFO] [stderr]   --> src/checksum.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn difference(first: u32, second: u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_one_line`
[INFO] [stderr]  --> src/io.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn read_one_line() -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_int_arrays_from_file`
[INFO] [stderr]   --> src/io.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn read_int_arrays_from_file(path: String) -> Vec<Vec<u32>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_string_arrays_from_file`
[INFO] [stderr]   --> src/io.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn read_string_arrays_from_file(path: String) -> Vec<Vec<String>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_string_lines_from_file`
[INFO] [stderr]   --> src/io.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn read_string_lines_from_file(path: String) -> Vec<String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_int_array_from_file`
[INFO] [stderr]   --> src/io.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub fn read_int_array_from_file(path: String) -> Vec<u32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inverse_captcha`
[INFO] [stderr]  --> src/inverse_captcha.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn inverse_captcha(digits: String) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sum_of_matching_offset_digits`
[INFO] [stderr]  --> src/inverse_captcha.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn sum_of_matching_offset_digits(v: &Vec<u32>, offset_function: fn(&Vec<u32>) -> usize) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_string_of_digits`
[INFO] [stderr]   --> src/inverse_captcha.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn parse_string_of_digits(input: String) -> Vec<u32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `just_one`
[INFO] [stderr]   --> src/inverse_captcha.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn just_one<A>(_: &Vec<A>) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `length_over_two`
[INFO] [stderr]   --> src/inverse_captcha.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn length_over_two<A>(vector: &Vec<A>) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `valid_count`
[INFO] [stderr]  --> src/passphrase.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn valid_count(phrases: Vec<Vec<String>>) -> usize {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sort_word`
[INFO] [stderr]   --> src/passphrase.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn sort_word(word: &String) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `valid_passphrase`
[INFO] [stderr]   --> src/passphrase.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn valid_passphrase(phrase: &Vec<String>) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `construct_tower`
[INFO] [stderr]  --> src/tower.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn construct_tower(input: Vec<String>) -> (HashMap<String, String>, HashMap<String, u32>, HashMap<String, Vec<String>>) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_weight`
[INFO] [stderr]   --> src/tower.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn parse_weight(text: String) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_weight_at_node`
[INFO] [stderr]   --> src/tower.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn find_weight_at_node(tower: HashMap<String, Vec<String>>, weights: HashMap<String, u32>, node: String) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_node_weights`
[INFO] [stderr]   --> src/tower.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn print_node_weights(tower: HashMap<String, Vec<String>>, weights: HashMap<String, u32>, root: String) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_root_of_tower`
[INFO] [stderr]   --> src/tower.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn find_root_of_tower(tower: HashMap<String, String>) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `realloc`
[INFO] [stderr]  --> src/realloc.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn realloc(memory: Vec<u32>) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `redistribute`
[INFO] [stderr]   --> src/realloc.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn redistribute(memory: Vec<u32>, blocks: u32, next_index: usize) -> Vec<u32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_index_of_max_value`
[INFO] [stderr]   --> src/realloc.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn find_index_of_max_value(memory: Vec<u32>) -> usize {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `manhattan_distance`
[INFO] [stderr]  --> src/spiral_memory.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn manhattan_distance(destination: u32) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `travel_spiral`
[INFO] [stderr]  --> src/spiral_memory.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn travel_spiral(destination: u32) -> (i32, i32) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `spiral_sum`
[INFO] [stderr]   --> src/spiral_memory.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn spiral_sum(input: u32) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_comparison`
[INFO] [stderr]  --> src/registers.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn parse_comparison(operator: String) -> (fn(&i32, &i32) -> bool) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_operator`
[INFO] [stderr]   --> src/registers.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn parse_operator(operator: String) -> (fn(i32, i32) -> i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_instructions`
[INFO] [stderr]   --> src/registers.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn run_instructions(input: Vec<String>) -> HashMap<String, i32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_largest_value`
[INFO] [stderr]   --> src/registers.rs:59:1
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn find_largest_value(registers: HashMap<String, i32>) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_garbage`
[INFO] [stderr]  --> src/stream.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn count_garbage(stream: String) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hash`
[INFO] [stderr]  --> src/knot.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn hash(lengths_string: String) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reverse_sublist`
[INFO] [stderr]   --> src/knot.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn reverse_sublist(list: Vec<u32>, index: usize, size: usize) -> Vec<u32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inverse_captcha_main`
[INFO] [stderr]   --> src/main.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn inverse_captcha_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `checksum_main`
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn checksum_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `spiral_memory_main`
[INFO] [stderr]   --> src/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn spiral_memory_main(input: u32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `passphrase_main`
[INFO] [stderr]   --> src/main.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn passphrase_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `realloc_main`
[INFO] [stderr]   --> src/main.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn realloc_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tower_main`
[INFO] [stderr]   --> src/main.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn tower_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `registers_main`
[INFO] [stderr]   --> src/main.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn registers_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stream_main`
[INFO] [stderr]   --> src/main.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn stream_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `knot_main`
[INFO] [stderr]   --> src/main.rs:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn knot_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/io.rs:27:61
[INFO] [stderr]    |
[INFO] [stderr] 27 |     contents.lines().map(|line| line.split_whitespace().map(|w| String::from(w)).collect()).collect()
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/io.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     contents.lines().map(|line| String::from(line)).collect()
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[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/inverse_captcha.rs:5:37
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn sum_of_matching_offset_digits(v: &Vec<u32>, offset_function: fn(&Vec<u32>) -> usize) -> u32 {
[INFO] [stderr]   |                                     ^^^^^^^^^ help: change this to: `&[u32]`
[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/inverse_captcha.rs:26:19
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn just_one<A>(_: &Vec<A>) -> usize {
[INFO] [stderr]    |                   ^^^^^^^ help: change this to: `&[A]`
[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/inverse_captcha.rs:30:31
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn length_over_two<A>(vector: &Vec<A>) -> usize {
[INFO] [stderr]    |                               ^^^^^^^ help: change this to: `&[A]`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/jump.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         i = i + jump;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `i += jump`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/passphrase.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn sort_word(word: &String) -> 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/passphrase.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn valid_passphrase(phrase: &Vec<String>) -> bool {
[INFO] [stderr]    |                             ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]  --> src/tower.rs:5:47
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn construct_tower(input: Vec<String>) -> (HashMap<String, String>, HashMap<String, u32>, HashMap<String, Vec<String>>) {
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]  --> src/tower.rs:9:86
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let definitions:Vec<Vec<String>> = input.iter().map(|s| s.split_whitespace().map(|x| String::from(x)).collect()).collect();
[INFO] [stderr]   |                                                                                      ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/tower.rs:15:58
[INFO] [stderr]    |
[INFO] [stderr] 15 |                 let name = def[i].clone().split(",").map(|x| String::from(x)).collect::<Vec<String>>()[0].clone();
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/tower.rs:15:49
[INFO] [stderr]    |
[INFO] [stderr] 15 |                 let name = def[i].clone().split(",").map(|x| String::from(x)).collect::<Vec<String>>()[0].clone();
[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: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/tower.rs:36:22
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let own_weight = weights.get(&node).unwrap();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&weights[&node]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/tower.rs:38:11
[INFO] [stderr]    |
[INFO] [stderr] 38 |         (*tower.get(&node).unwrap()).clone()
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&tower[&node]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/tower.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 |     if children.len() > 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!children.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: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/tower.rs:54:34
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let children:Vec<String> = (*tower.get(&root).unwrap()).clone();
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&tower[&root]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/tower.rs:56:47
[INFO] [stderr]    |
[INFO] [stderr] 56 |         println!("Child: {} ({}): {}", child, weights.get(&child).unwrap(), find_weight_at_node(tower.clone(), weights.clone(), child.clone()));
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&weights[&child]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/tower.rs:70:23
[INFO] [stderr]    |
[INFO] [stderr] 70 |             current = tower.get(&current).unwrap().clone();
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&tower[&current]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/realloc.rs:26:20
[INFO] [stderr]    |
[INFO] [stderr] 26 |     current_step - seen_states.get(&memory).unwrap()
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&seen_states[&memory]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]  --> src/registers.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 |     if operator == ">".to_string() {
[INFO] [stderr]   |                    ^^^^^^^^^^^^^^^ help: try: `">"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]  --> src/registers.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 |     } else if operator == "<".to_string() {
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^ help: try: `"<"`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]  --> src/registers.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 |     } else if operator == "==".to_string() {
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^ help: try: `"=="`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> src/registers.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 |     } else if operator == ">=".to_string() {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: try: `">="`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> src/registers.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |     } else if operator == "<=".to_string() {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: try: `"<="`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]   --> src/registers.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |     if operator == "inc".to_string() {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^ help: try: `"inc"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/registers.rs:28:87
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let instructions:Vec<Vec<String>> = input.iter().map(|s| s.split_whitespace().map(|x| String::from(x)).collect()).collect();
[INFO] [stderr]    |                                                                                       ^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `String::from`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/registers.rs:36:14
[INFO] [stderr]    |
[INFO] [stderr] 36 |             *registers.get(&register).unwrap()
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&registers[&register]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/registers.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 42 |             *registers.get(&conditional_register).unwrap()
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&registers[&conditional_register]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: taken reference of right operand
[INFO] [stderr]   --> src/registers.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |         if val > &max {
[INFO] [stderr]    |            ^^^^^^----
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: use the right value directly: `max`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/knot.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let mut reversed:Vec<u32> = list.iter().cycle().skip(index).take(size).map(|x| *x).collect::<Vec<u32>>();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `list.iter().cycle().skip(index).take(size).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]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `"docker" "inspect" "f0ac8b43bcd8e5ddfc9c9701a6ade6b9bd13ff0447f19e6e4e09811eb0d451bf"`
[INFO] running `"docker" "rm" "-f" "f0ac8b43bcd8e5ddfc9c9701a6ade6b9bd13ff0447f19e6e4e09811eb0d451bf"`
[INFO] [stdout] f0ac8b43bcd8e5ddfc9c9701a6ade6b9bd13ff0447f19e6e4e09811eb0d451bf