Dec 06 03:03:21.620 INFO testing cshaffer/advent_2017 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 03:03:21.620 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 03:03:22.098 INFO [stdout] c1eb500b572a4ceea6bab8d69d5d753444913cb29a50f5dbada8ffc5fa5b7913
Dec 06 03:03:22.102 INFO running `"docker" "start" "-a" "c1eb500b572a4ceea6bab8d69d5d753444913cb29a50f5dbada8ffc5fa5b7913"`
Dec 06 03:03:23.023 INFO [stderr] usermod: no changes
Dec 06 03:03:23.108 INFO [stderr]    Compiling libc v0.2.34
Dec 06 03:03:24.392 INFO [stderr]    Compiling memchr v2.0.1
Dec 06 03:03:25.113 INFO [stderr]    Compiling aho-corasick v0.6.4
Dec 06 03:03:26.138 INFO [stderr]    Compiling regex v0.2.3
Dec 06 03:03:32.822 INFO [stderr]    Compiling advent_2017 v0.1.0 (/source)
Dec 06 03:03:33.687 INFO [stderr] warning: function is never used: `checksum`
Dec 06 03:03:33.687 INFO [stderr]  --> src/checksum.rs:1:1
Dec 06 03:03:33.687 INFO [stderr]   |
Dec 06 03:03:33.688 INFO [stderr] 1 | pub fn checksum(numbers: Vec<Vec<u32>>, pair_finder: fn(Vec<u32>) -> (u32, u32), pair_transformation: fn(u32, u32) -> u32) -> u32 {
Dec 06 03:03:33.688 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.688 INFO [stderr]   |
Dec 06 03:03:33.688 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 03:03:33.689 INFO [stderr] 
Dec 06 03:03:33.689 INFO [stderr] warning: function is never used: `divisible`
Dec 06 03:03:33.689 INFO [stderr]   --> src/checksum.rs:10:1
Dec 06 03:03:33.689 INFO [stderr]    |
Dec 06 03:03:33.690 INFO [stderr] 10 | fn divisible(first: u32, second: u32) -> bool {
Dec 06 03:03:33.690 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.690 INFO [stderr] 
Dec 06 03:03:33.690 INFO [stderr] warning: function is never used: `divisible_values`
Dec 06 03:03:33.690 INFO [stderr]   --> src/checksum.rs:21:1
Dec 06 03:03:33.691 INFO [stderr]    |
Dec 06 03:03:33.691 INFO [stderr] 21 | pub fn divisible_values(row: Vec<u32>) -> (u32, u32) {
Dec 06 03:03:33.691 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.691 INFO [stderr] 
Dec 06 03:03:33.692 INFO [stderr] warning: function is never used: `extreme_values`
Dec 06 03:03:33.692 INFO [stderr]   --> src/checksum.rs:37:1
Dec 06 03:03:33.692 INFO [stderr]    |
Dec 06 03:03:33.692 INFO [stderr] 37 | pub fn extreme_values(row: Vec<u32>) -> (u32, u32) {
Dec 06 03:03:33.693 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.693 INFO [stderr] 
Dec 06 03:03:33.693 INFO [stderr] warning: function is never used: `quotient`
Dec 06 03:03:33.693 INFO [stderr]   --> src/checksum.rs:51:1
Dec 06 03:03:33.694 INFO [stderr]    |
Dec 06 03:03:33.694 INFO [stderr] 51 | pub fn quotient(first: u32, second: u32) -> u32 {
Dec 06 03:03:33.694 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.694 INFO [stderr] 
Dec 06 03:03:33.694 INFO [stderr] warning: function is never used: `difference`
Dec 06 03:03:33.694 INFO [stderr]   --> src/checksum.rs:63:1
Dec 06 03:03:33.694 INFO [stderr]    |
Dec 06 03:03:33.694 INFO [stderr] 63 | pub fn difference(first: u32, second: u32) -> u32 {
Dec 06 03:03:33.694 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.694 INFO [stderr] 
Dec 06 03:03:33.695 INFO [stderr] warning: function is never used: `read_one_line`
Dec 06 03:03:33.695 INFO [stderr]  --> src/io.rs:5:1
Dec 06 03:03:33.695 INFO [stderr]   |
Dec 06 03:03:33.695 INFO [stderr] 5 | pub fn read_one_line() -> String {
Dec 06 03:03:33.695 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.695 INFO [stderr] 
Dec 06 03:03:33.695 INFO [stderr] warning: function is never used: `read_int_arrays_from_file`
Dec 06 03:03:33.695 INFO [stderr]   --> src/io.rs:12:1
Dec 06 03:03:33.695 INFO [stderr]    |
Dec 06 03:03:33.695 INFO [stderr] 12 | pub fn read_int_arrays_from_file(path: String) -> Vec<Vec<u32>> {
Dec 06 03:03:33.695 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.695 INFO [stderr] 
Dec 06 03:03:33.695 INFO [stderr] warning: function is never used: `read_string_arrays_from_file`
Dec 06 03:03:33.695 INFO [stderr]   --> src/io.rs:21:1
Dec 06 03:03:33.695 INFO [stderr]    |
Dec 06 03:03:33.696 INFO [stderr] 21 | pub fn read_string_arrays_from_file(path: String) -> Vec<Vec<String>> {
Dec 06 03:03:33.696 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.696 INFO [stderr] 
Dec 06 03:03:33.696 INFO [stderr] warning: function is never used: `read_string_lines_from_file`
Dec 06 03:03:33.696 INFO [stderr]   --> src/io.rs:39:1
Dec 06 03:03:33.697 INFO [stderr]    |
Dec 06 03:03:33.697 INFO [stderr] 39 | pub fn read_string_lines_from_file(path: String) -> Vec<String> {
Dec 06 03:03:33.697 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.697 INFO [stderr] 
Dec 06 03:03:33.697 INFO [stderr] warning: function is never used: `read_int_array_from_file`
Dec 06 03:03:33.698 INFO [stderr]   --> src/io.rs:48:1
Dec 06 03:03:33.698 INFO [stderr]    |
Dec 06 03:03:33.698 INFO [stderr] 48 | pub fn read_int_array_from_file(path: String) -> Vec<u32> {
Dec 06 03:03:33.698 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.699 INFO [stderr] 
Dec 06 03:03:33.699 INFO [stderr] warning: function is never used: `inverse_captcha`
Dec 06 03:03:33.699 INFO [stderr]  --> src/inverse_captcha.rs:1:1
Dec 06 03:03:33.699 INFO [stderr]   |
Dec 06 03:03:33.699 INFO [stderr] 1 | pub fn inverse_captcha(digits: String) -> u32 {
Dec 06 03:03:33.700 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.700 INFO [stderr] 
Dec 06 03:03:33.700 INFO [stderr] warning: function is never used: `sum_of_matching_offset_digits`
Dec 06 03:03:33.700 INFO [stderr]  --> src/inverse_captcha.rs:5:1
Dec 06 03:03:33.701 INFO [stderr]   |
Dec 06 03:03:33.701 INFO [stderr] 5 | fn sum_of_matching_offset_digits(v: &Vec<u32>, offset_function: fn(&Vec<u32>) -> usize) -> u32 {
Dec 06 03:03:33.701 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.701 INFO [stderr] 
Dec 06 03:03:33.701 INFO [stderr] warning: function is never used: `parse_string_of_digits`
Dec 06 03:03:33.702 INFO [stderr]   --> src/inverse_captcha.rs:22:1
Dec 06 03:03:33.702 INFO [stderr]    |
Dec 06 03:03:33.702 INFO [stderr] 22 | fn parse_string_of_digits(input: String) -> Vec<u32> {
Dec 06 03:03:33.702 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.702 INFO [stderr] 
Dec 06 03:03:33.703 INFO [stderr] warning: function is never used: `just_one`
Dec 06 03:03:33.703 INFO [stderr]   --> src/inverse_captcha.rs:26:1
Dec 06 03:03:33.703 INFO [stderr]    |
Dec 06 03:03:33.703 INFO [stderr] 26 | fn just_one<A>(_: &Vec<A>) -> usize {
Dec 06 03:03:33.704 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.704 INFO [stderr] 
Dec 06 03:03:33.704 INFO [stderr] warning: function is never used: `length_over_two`
Dec 06 03:03:33.704 INFO [stderr]   --> src/inverse_captcha.rs:30:1
Dec 06 03:03:33.704 INFO [stderr]    |
Dec 06 03:03:33.705 INFO [stderr] 30 | fn length_over_two<A>(vector: &Vec<A>) -> usize {
Dec 06 03:03:33.705 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.705 INFO [stderr] 
Dec 06 03:03:33.705 INFO [stderr] warning: function is never used: `valid_count`
Dec 06 03:03:33.705 INFO [stderr]  --> src/passphrase.rs:4:1
Dec 06 03:03:33.706 INFO [stderr]   |
Dec 06 03:03:33.706 INFO [stderr] 4 | pub fn valid_count(phrases: Vec<Vec<String>>) -> usize {
Dec 06 03:03:33.706 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.706 INFO [stderr] 
Dec 06 03:03:33.706 INFO [stderr] warning: function is never used: `sort_word`
Dec 06 03:03:33.706 INFO [stderr]   --> src/passphrase.rs:10:1
Dec 06 03:03:33.706 INFO [stderr]    |
Dec 06 03:03:33.706 INFO [stderr] 10 | fn sort_word(word: &String) -> String {
Dec 06 03:03:33.706 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.706 INFO [stderr] 
Dec 06 03:03:33.706 INFO [stderr] warning: function is never used: `valid_passphrase`
Dec 06 03:03:33.706 INFO [stderr]   --> src/passphrase.rs:17:1
Dec 06 03:03:33.706 INFO [stderr]    |
Dec 06 03:03:33.706 INFO [stderr] 17 | fn valid_passphrase(phrase: &Vec<String>) -> bool {
Dec 06 03:03:33.706 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.706 INFO [stderr] 
Dec 06 03:03:33.706 INFO [stderr] warning: function is never used: `construct_tower`
Dec 06 03:03:33.706 INFO [stderr]  --> src/tower.rs:5:1
Dec 06 03:03:33.706 INFO [stderr]   |
Dec 06 03:03:33.706 INFO [stderr] 5 | pub fn construct_tower(input: Vec<String>) -> (HashMap<String, String>, HashMap<String, u32>, HashMap<String, Vec<String>>) {
Dec 06 03:03:33.707 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.707 INFO [stderr] 
Dec 06 03:03:33.707 INFO [stderr] warning: function is never used: `parse_weight`
Dec 06 03:03:33.707 INFO [stderr]   --> src/tower.rs:29:1
Dec 06 03:03:33.707 INFO [stderr]    |
Dec 06 03:03:33.707 INFO [stderr] 29 | fn parse_weight(text: String) -> u32 {
Dec 06 03:03:33.707 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.707 INFO [stderr] 
Dec 06 03:03:33.707 INFO [stderr] warning: function is never used: `find_weight_at_node`
Dec 06 03:03:33.707 INFO [stderr]   --> src/tower.rs:35:1
Dec 06 03:03:33.707 INFO [stderr]    |
Dec 06 03:03:33.707 INFO [stderr] 35 | pub fn find_weight_at_node(tower: HashMap<String, Vec<String>>, weights: HashMap<String, u32>, node: String) -> u32 {
Dec 06 03:03:33.707 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.707 INFO [stderr] 
Dec 06 03:03:33.707 INFO [stderr] warning: function is never used: `print_node_weights`
Dec 06 03:03:33.707 INFO [stderr]   --> src/tower.rs:49:1
Dec 06 03:03:33.707 INFO [stderr]    |
Dec 06 03:03:33.707 INFO [stderr] 49 | pub fn print_node_weights(tower: HashMap<String, Vec<String>>, weights: HashMap<String, u32>, root: String) {
Dec 06 03:03:33.708 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `find_root_of_tower`
Dec 06 03:03:33.708 INFO [stderr]   --> src/tower.rs:63:1
Dec 06 03:03:33.708 INFO [stderr]    |
Dec 06 03:03:33.708 INFO [stderr] 63 | pub fn find_root_of_tower(tower: HashMap<String, String>) -> String {
Dec 06 03:03:33.708 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `realloc`
Dec 06 03:03:33.708 INFO [stderr]  --> src/realloc.rs:3:1
Dec 06 03:03:33.708 INFO [stderr]   |
Dec 06 03:03:33.708 INFO [stderr] 3 | pub fn realloc(memory: Vec<u32>) -> u32 {
Dec 06 03:03:33.708 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `redistribute`
Dec 06 03:03:33.708 INFO [stderr]   --> src/realloc.rs:29:1
Dec 06 03:03:33.708 INFO [stderr]    |
Dec 06 03:03:33.708 INFO [stderr] 29 | fn redistribute(memory: Vec<u32>, blocks: u32, next_index: usize) -> Vec<u32> {
Dec 06 03:03:33.708 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `find_index_of_max_value`
Dec 06 03:03:33.708 INFO [stderr]   --> src/realloc.rs:44:1
Dec 06 03:03:33.708 INFO [stderr]    |
Dec 06 03:03:33.708 INFO [stderr] 44 | fn find_index_of_max_value(memory: Vec<u32>) -> usize {
Dec 06 03:03:33.708 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `manhattan_distance`
Dec 06 03:03:33.708 INFO [stderr]  --> src/spiral_memory.rs:3:1
Dec 06 03:03:33.708 INFO [stderr]   |
Dec 06 03:03:33.708 INFO [stderr] 3 | pub fn manhattan_distance(destination: u32) -> u32 {
Dec 06 03:03:33.708 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `travel_spiral`
Dec 06 03:03:33.708 INFO [stderr]  --> src/spiral_memory.rs:9:1
Dec 06 03:03:33.708 INFO [stderr]   |
Dec 06 03:03:33.708 INFO [stderr] 9 | fn travel_spiral(destination: u32) -> (i32, i32) {
Dec 06 03:03:33.708 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `spiral_sum`
Dec 06 03:03:33.708 INFO [stderr]   --> src/spiral_memory.rs:31:1
Dec 06 03:03:33.708 INFO [stderr]    |
Dec 06 03:03:33.708 INFO [stderr] 31 | pub fn spiral_sum(input: u32) -> u32 {
Dec 06 03:03:33.708 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `parse_comparison`
Dec 06 03:03:33.708 INFO [stderr]  --> src/registers.rs:3:1
Dec 06 03:03:33.708 INFO [stderr]   |
Dec 06 03:03:33.708 INFO [stderr] 3 | fn parse_comparison(operator: String) -> (fn(&i32, &i32) -> bool) {
Dec 06 03:03:33.708 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `parse_operator`
Dec 06 03:03:33.708 INFO [stderr]   --> src/registers.rs:19:1
Dec 06 03:03:33.708 INFO [stderr]    |
Dec 06 03:03:33.708 INFO [stderr] 19 | fn parse_operator(operator: String) -> (fn(i32, i32) -> i32) {
Dec 06 03:03:33.708 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `run_instructions`
Dec 06 03:03:33.708 INFO [stderr]   --> src/registers.rs:27:1
Dec 06 03:03:33.708 INFO [stderr]    |
Dec 06 03:03:33.708 INFO [stderr] 27 | pub fn run_instructions(input: Vec<String>) -> HashMap<String, i32> {
Dec 06 03:03:33.708 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `find_largest_value`
Dec 06 03:03:33.708 INFO [stderr]   --> src/registers.rs:59:1
Dec 06 03:03:33.708 INFO [stderr]    |
Dec 06 03:03:33.708 INFO [stderr] 59 | pub fn find_largest_value(registers: HashMap<String, i32>) -> i32 {
Dec 06 03:03:33.708 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `count_garbage`
Dec 06 03:03:33.708 INFO [stderr]  --> src/stream.rs:1:1
Dec 06 03:03:33.708 INFO [stderr]   |
Dec 06 03:03:33.708 INFO [stderr] 1 | pub fn count_garbage(stream: String) -> u32 {
Dec 06 03:03:33.708 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `hash`
Dec 06 03:03:33.708 INFO [stderr]  --> src/knot.rs:1:1
Dec 06 03:03:33.708 INFO [stderr]   |
Dec 06 03:03:33.708 INFO [stderr] 1 | pub fn hash(lengths_string: String) -> String {
Dec 06 03:03:33.708 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.708 INFO [stderr] 
Dec 06 03:03:33.708 INFO [stderr] warning: function is never used: `reverse_sublist`
Dec 06 03:03:33.709 INFO [stderr]   --> src/knot.rs:23:1
Dec 06 03:03:33.709 INFO [stderr]    |
Dec 06 03:03:33.709 INFO [stderr] 23 | fn reverse_sublist(list: Vec<u32>, index: usize, size: usize) -> Vec<u32> {
Dec 06 03:03:33.709 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.709 INFO [stderr] 
Dec 06 03:03:33.709 INFO [stderr] warning: function is never used: `inverse_captcha_main`
Dec 06 03:03:33.709 INFO [stderr]   --> src/main.rs:13:1
Dec 06 03:03:33.709 INFO [stderr]    |
Dec 06 03:03:33.709 INFO [stderr] 13 | fn inverse_captcha_main() {
Dec 06 03:03:33.709 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.709 INFO [stderr] 
Dec 06 03:03:33.709 INFO [stderr] warning: function is never used: `checksum_main`
Dec 06 03:03:33.709 INFO [stderr]   --> src/main.rs:18:1
Dec 06 03:03:33.709 INFO [stderr]    |
Dec 06 03:03:33.709 INFO [stderr] 18 | fn checksum_main() {
Dec 06 03:03:33.709 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.709 INFO [stderr] 
Dec 06 03:03:33.709 INFO [stderr] warning: function is never used: `spiral_memory_main`
Dec 06 03:03:33.709 INFO [stderr]   --> src/main.rs:24:1
Dec 06 03:03:33.709 INFO [stderr]    |
Dec 06 03:03:33.709 INFO [stderr] 24 | fn spiral_memory_main(input: u32) {
Dec 06 03:03:33.709 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.709 INFO [stderr] 
Dec 06 03:03:33.709 INFO [stderr] warning: function is never used: `passphrase_main`
Dec 06 03:03:33.709 INFO [stderr]   --> src/main.rs:29:1
Dec 06 03:03:33.709 INFO [stderr]    |
Dec 06 03:03:33.709 INFO [stderr] 29 | fn passphrase_main() {
Dec 06 03:03:33.709 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.709 INFO [stderr] 
Dec 06 03:03:33.709 INFO [stderr] warning: function is never used: `realloc_main`
Dec 06 03:03:33.709 INFO [stderr]   --> src/main.rs:41:1
Dec 06 03:03:33.709 INFO [stderr]    |
Dec 06 03:03:33.709 INFO [stderr] 41 | fn realloc_main() {
Dec 06 03:03:33.709 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.709 INFO [stderr] 
Dec 06 03:03:33.709 INFO [stderr] warning: function is never used: `tower_main`
Dec 06 03:03:33.709 INFO [stderr]   --> src/main.rs:47:1
Dec 06 03:03:33.709 INFO [stderr]    |
Dec 06 03:03:33.709 INFO [stderr] 47 | fn tower_main() {
Dec 06 03:03:33.709 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 06 03:03:33.709 INFO [stderr] 
Dec 06 03:03:33.709 INFO [stderr] warning: function is never used: `registers_main`
Dec 06 03:03:33.709 INFO [stderr]   --> src/main.rs:54:1
Dec 06 03:03:33.709 INFO [stderr]    |
Dec 06 03:03:33.709 INFO [stderr] 54 | fn registers_main() {
Dec 06 03:03:33.709 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:33.709 INFO [stderr] 
Dec 06 03:03:33.709 INFO [stderr] warning: function is never used: `stream_main`
Dec 06 03:03:33.709 INFO [stderr]   --> src/main.rs:61:1
Dec 06 03:03:33.709 INFO [stderr]    |
Dec 06 03:03:33.709 INFO [stderr] 61 | fn stream_main() {
Dec 06 03:03:33.709 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 06 03:03:33.709 INFO [stderr] 
Dec 06 03:03:33.709 INFO [stderr] warning: function is never used: `knot_main`
Dec 06 03:03:33.709 INFO [stderr]   --> src/main.rs:66:1
Dec 06 03:03:33.709 INFO [stderr]    |
Dec 06 03:03:33.709 INFO [stderr] 66 | fn knot_main() {
Dec 06 03:03:33.709 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 06 03:03:33.709 INFO [stderr] 
Dec 06 03:03:34.457 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.41s
Dec 06 03:03:34.461 INFO [stderr] su: No module specific data is present
Dec 06 03:03:35.664 INFO running `"docker" "inspect" "c1eb500b572a4ceea6bab8d69d5d753444913cb29a50f5dbada8ffc5fa5b7913"`
Dec 06 03:03:35.984 INFO running `"docker" "rm" "-f" "c1eb500b572a4ceea6bab8d69d5d753444913cb29a50f5dbada8ffc5fa5b7913"`
Dec 06 03:03:36.236 INFO [stdout] c1eb500b572a4ceea6bab8d69d5d753444913cb29a50f5dbada8ffc5fa5b7913
Dec 06 03:03:36.242 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 03:03:36.519 INFO [stdout] 2bf62796963fa2b0c9f2c6bfd5427702ad375c4df3dcc5fe744a079c66bb2cb9
Dec 06 03:03:36.522 INFO running `"docker" "start" "-a" "2bf62796963fa2b0c9f2c6bfd5427702ad375c4df3dcc5fe744a079c66bb2cb9"`
Dec 06 03:03:37.587 INFO [stderr] usermod: no changes
Dec 06 03:03:37.664 INFO [stderr]    Compiling advent_2017 v0.1.0 (/source)
Dec 06 03:03:38.858 INFO [stderr] warning: function is never used: `checksum`
Dec 06 03:03:38.859 INFO [stderr]  --> src/checksum.rs:1:1
Dec 06 03:03:38.859 INFO [stderr]   |
Dec 06 03:03:38.859 INFO [stderr] 1 | pub fn checksum(numbers: Vec<Vec<u32>>, pair_finder: fn(Vec<u32>) -> (u32, u32), pair_transformation: fn(u32, u32) -> u32) -> u32 {
Dec 06 03:03:38.859 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.859 INFO [stderr]   |
Dec 06 03:03:38.859 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 03:03:38.859 INFO [stderr] 
Dec 06 03:03:38.859 INFO [stderr] warning: function is never used: `divisible`
Dec 06 03:03:38.859 INFO [stderr]   --> src/checksum.rs:10:1
Dec 06 03:03:38.859 INFO [stderr]    |
Dec 06 03:03:38.859 INFO [stderr] 10 | fn divisible(first: u32, second: u32) -> bool {
Dec 06 03:03:38.859 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.859 INFO [stderr] 
Dec 06 03:03:38.859 INFO [stderr] warning: function is never used: `divisible_values`
Dec 06 03:03:38.859 INFO [stderr]   --> src/checksum.rs:21:1
Dec 06 03:03:38.859 INFO [stderr]    |
Dec 06 03:03:38.859 INFO [stderr] 21 | pub fn divisible_values(row: Vec<u32>) -> (u32, u32) {
Dec 06 03:03:38.859 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.860 INFO [stderr] 
Dec 06 03:03:38.860 INFO [stderr] warning: function is never used: `extreme_values`
Dec 06 03:03:38.860 INFO [stderr]   --> src/checksum.rs:37:1
Dec 06 03:03:38.860 INFO [stderr]    |
Dec 06 03:03:38.860 INFO [stderr] 37 | pub fn extreme_values(row: Vec<u32>) -> (u32, u32) {
Dec 06 03:03:38.860 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.860 INFO [stderr] 
Dec 06 03:03:38.860 INFO [stderr] warning: function is never used: `quotient`
Dec 06 03:03:38.861 INFO [stderr]   --> src/checksum.rs:51:1
Dec 06 03:03:38.861 INFO [stderr]    |
Dec 06 03:03:38.861 INFO [stderr] 51 | pub fn quotient(first: u32, second: u32) -> u32 {
Dec 06 03:03:38.861 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.861 INFO [stderr] 
Dec 06 03:03:38.861 INFO [stderr] warning: function is never used: `difference`
Dec 06 03:03:38.861 INFO [stderr]   --> src/checksum.rs:63:1
Dec 06 03:03:38.861 INFO [stderr]    |
Dec 06 03:03:38.861 INFO [stderr] 63 | pub fn difference(first: u32, second: u32) -> u32 {
Dec 06 03:03:38.861 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.861 INFO [stderr] 
Dec 06 03:03:38.861 INFO [stderr] warning: function is never used: `read_one_line`
Dec 06 03:03:38.861 INFO [stderr]  --> src/io.rs:5:1
Dec 06 03:03:38.861 INFO [stderr]   |
Dec 06 03:03:38.861 INFO [stderr] 5 | pub fn read_one_line() -> String {
Dec 06 03:03:38.861 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.861 INFO [stderr] 
Dec 06 03:03:38.861 INFO [stderr] warning: function is never used: `read_int_arrays_from_file`
Dec 06 03:03:38.861 INFO [stderr]   --> src/io.rs:12:1
Dec 06 03:03:38.861 INFO [stderr]    |
Dec 06 03:03:38.861 INFO [stderr] 12 | pub fn read_int_arrays_from_file(path: String) -> Vec<Vec<u32>> {
Dec 06 03:03:38.861 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.861 INFO [stderr] 
Dec 06 03:03:38.861 INFO [stderr] warning: function is never used: `read_string_arrays_from_file`
Dec 06 03:03:38.861 INFO [stderr]   --> src/io.rs:21:1
Dec 06 03:03:38.861 INFO [stderr]    |
Dec 06 03:03:38.861 INFO [stderr] 21 | pub fn read_string_arrays_from_file(path: String) -> Vec<Vec<String>> {
Dec 06 03:03:38.861 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.861 INFO [stderr] 
Dec 06 03:03:38.861 INFO [stderr] warning: function is never used: `read_string_lines_from_file`
Dec 06 03:03:38.861 INFO [stderr]   --> src/io.rs:39:1
Dec 06 03:03:38.861 INFO [stderr]    |
Dec 06 03:03:38.861 INFO [stderr] 39 | pub fn read_string_lines_from_file(path: String) -> Vec<String> {
Dec 06 03:03:38.861 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.861 INFO [stderr] 
Dec 06 03:03:38.861 INFO [stderr] warning: function is never used: `read_int_array_from_file`
Dec 06 03:03:38.861 INFO [stderr]   --> src/io.rs:48:1
Dec 06 03:03:38.861 INFO [stderr]    |
Dec 06 03:03:38.861 INFO [stderr] 48 | pub fn read_int_array_from_file(path: String) -> Vec<u32> {
Dec 06 03:03:38.861 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.861 INFO [stderr] 
Dec 06 03:03:38.861 INFO [stderr] warning: function is never used: `inverse_captcha`
Dec 06 03:03:38.861 INFO [stderr]  --> src/inverse_captcha.rs:1:1
Dec 06 03:03:38.861 INFO [stderr]   |
Dec 06 03:03:38.861 INFO [stderr] 1 | pub fn inverse_captcha(digits: String) -> u32 {
Dec 06 03:03:38.861 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.861 INFO [stderr] 
Dec 06 03:03:38.861 INFO [stderr] warning: function is never used: `sum_of_matching_offset_digits`
Dec 06 03:03:38.861 INFO [stderr]  --> src/inverse_captcha.rs:5:1
Dec 06 03:03:38.861 INFO [stderr]   |
Dec 06 03:03:38.861 INFO [stderr] 5 | fn sum_of_matching_offset_digits(v: &Vec<u32>, offset_function: fn(&Vec<u32>) -> usize) -> u32 {
Dec 06 03:03:38.861 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.861 INFO [stderr] 
Dec 06 03:03:38.861 INFO [stderr] warning: function is never used: `parse_string_of_digits`
Dec 06 03:03:38.861 INFO [stderr]   --> src/inverse_captcha.rs:22:1
Dec 06 03:03:38.861 INFO [stderr]    |
Dec 06 03:03:38.861 INFO [stderr] 22 | fn parse_string_of_digits(input: String) -> Vec<u32> {
Dec 06 03:03:38.861 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.861 INFO [stderr] 
Dec 06 03:03:38.861 INFO [stderr] warning: function is never used: `just_one`
Dec 06 03:03:38.861 INFO [stderr]   --> src/inverse_captcha.rs:26:1
Dec 06 03:03:38.861 INFO [stderr]    |
Dec 06 03:03:38.861 INFO [stderr] 26 | fn just_one<A>(_: &Vec<A>) -> usize {
Dec 06 03:03:38.861 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.861 INFO [stderr] 
Dec 06 03:03:38.861 INFO [stderr] warning: function is never used: `length_over_two`
Dec 06 03:03:38.861 INFO [stderr]   --> src/inverse_captcha.rs:30:1
Dec 06 03:03:38.861 INFO [stderr]    |
Dec 06 03:03:38.861 INFO [stderr] 30 | fn length_over_two<A>(vector: &Vec<A>) -> usize {
Dec 06 03:03:38.861 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `valid_count`
Dec 06 03:03:38.862 INFO [stderr]  --> src/passphrase.rs:4:1
Dec 06 03:03:38.862 INFO [stderr]   |
Dec 06 03:03:38.862 INFO [stderr] 4 | pub fn valid_count(phrases: Vec<Vec<String>>) -> usize {
Dec 06 03:03:38.862 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `sort_word`
Dec 06 03:03:38.862 INFO [stderr]   --> src/passphrase.rs:10:1
Dec 06 03:03:38.862 INFO [stderr]    |
Dec 06 03:03:38.862 INFO [stderr] 10 | fn sort_word(word: &String) -> String {
Dec 06 03:03:38.862 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `valid_passphrase`
Dec 06 03:03:38.862 INFO [stderr]   --> src/passphrase.rs:17:1
Dec 06 03:03:38.862 INFO [stderr]    |
Dec 06 03:03:38.862 INFO [stderr] 17 | fn valid_passphrase(phrase: &Vec<String>) -> bool {
Dec 06 03:03:38.862 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `construct_tower`
Dec 06 03:03:38.862 INFO [stderr]  --> src/tower.rs:5:1
Dec 06 03:03:38.862 INFO [stderr]   |
Dec 06 03:03:38.862 INFO [stderr] 5 | pub fn construct_tower(input: Vec<String>) -> (HashMap<String, String>, HashMap<String, u32>, HashMap<String, Vec<String>>) {
Dec 06 03:03:38.862 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `parse_weight`
Dec 06 03:03:38.862 INFO [stderr]   --> src/tower.rs:29:1
Dec 06 03:03:38.862 INFO [stderr]    |
Dec 06 03:03:38.862 INFO [stderr] 29 | fn parse_weight(text: String) -> u32 {
Dec 06 03:03:38.862 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `find_weight_at_node`
Dec 06 03:03:38.862 INFO [stderr]   --> src/tower.rs:35:1
Dec 06 03:03:38.862 INFO [stderr]    |
Dec 06 03:03:38.862 INFO [stderr] 35 | pub fn find_weight_at_node(tower: HashMap<String, Vec<String>>, weights: HashMap<String, u32>, node: String) -> u32 {
Dec 06 03:03:38.862 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `print_node_weights`
Dec 06 03:03:38.862 INFO [stderr]   --> src/tower.rs:49:1
Dec 06 03:03:38.862 INFO [stderr]    |
Dec 06 03:03:38.862 INFO [stderr] 49 | pub fn print_node_weights(tower: HashMap<String, Vec<String>>, weights: HashMap<String, u32>, root: String) {
Dec 06 03:03:38.862 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `find_root_of_tower`
Dec 06 03:03:38.862 INFO [stderr]   --> src/tower.rs:63:1
Dec 06 03:03:38.862 INFO [stderr]    |
Dec 06 03:03:38.862 INFO [stderr] 63 | pub fn find_root_of_tower(tower: HashMap<String, String>) -> String {
Dec 06 03:03:38.862 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `realloc`
Dec 06 03:03:38.862 INFO [stderr]  --> src/realloc.rs:3:1
Dec 06 03:03:38.862 INFO [stderr]   |
Dec 06 03:03:38.862 INFO [stderr] 3 | pub fn realloc(memory: Vec<u32>) -> u32 {
Dec 06 03:03:38.862 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `redistribute`
Dec 06 03:03:38.862 INFO [stderr]   --> src/realloc.rs:29:1
Dec 06 03:03:38.862 INFO [stderr]    |
Dec 06 03:03:38.862 INFO [stderr] 29 | fn redistribute(memory: Vec<u32>, blocks: u32, next_index: usize) -> Vec<u32> {
Dec 06 03:03:38.862 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `find_index_of_max_value`
Dec 06 03:03:38.862 INFO [stderr]   --> src/realloc.rs:44:1
Dec 06 03:03:38.862 INFO [stderr]    |
Dec 06 03:03:38.862 INFO [stderr] 44 | fn find_index_of_max_value(memory: Vec<u32>) -> usize {
Dec 06 03:03:38.862 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `manhattan_distance`
Dec 06 03:03:38.862 INFO [stderr]  --> src/spiral_memory.rs:3:1
Dec 06 03:03:38.862 INFO [stderr]   |
Dec 06 03:03:38.862 INFO [stderr] 3 | pub fn manhattan_distance(destination: u32) -> u32 {
Dec 06 03:03:38.862 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `travel_spiral`
Dec 06 03:03:38.862 INFO [stderr]  --> src/spiral_memory.rs:9:1
Dec 06 03:03:38.862 INFO [stderr]   |
Dec 06 03:03:38.862 INFO [stderr] 9 | fn travel_spiral(destination: u32) -> (i32, i32) {
Dec 06 03:03:38.862 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.862 INFO [stderr] warning: function is never used: `spiral_sum`
Dec 06 03:03:38.862 INFO [stderr]   --> src/spiral_memory.rs:31:1
Dec 06 03:03:38.862 INFO [stderr]    |
Dec 06 03:03:38.862 INFO [stderr] 31 | pub fn spiral_sum(input: u32) -> u32 {
Dec 06 03:03:38.862 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.862 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `parse_comparison`
Dec 06 03:03:38.863 INFO [stderr]  --> src/registers.rs:3:1
Dec 06 03:03:38.863 INFO [stderr]   |
Dec 06 03:03:38.863 INFO [stderr] 3 | fn parse_comparison(operator: String) -> (fn(&i32, &i32) -> bool) {
Dec 06 03:03:38.863 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `parse_operator`
Dec 06 03:03:38.863 INFO [stderr]   --> src/registers.rs:19:1
Dec 06 03:03:38.863 INFO [stderr]    |
Dec 06 03:03:38.863 INFO [stderr] 19 | fn parse_operator(operator: String) -> (fn(i32, i32) -> i32) {
Dec 06 03:03:38.863 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `run_instructions`
Dec 06 03:03:38.863 INFO [stderr]   --> src/registers.rs:27:1
Dec 06 03:03:38.863 INFO [stderr]    |
Dec 06 03:03:38.863 INFO [stderr] 27 | pub fn run_instructions(input: Vec<String>) -> HashMap<String, i32> {
Dec 06 03:03:38.863 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `find_largest_value`
Dec 06 03:03:38.863 INFO [stderr]   --> src/registers.rs:59:1
Dec 06 03:03:38.863 INFO [stderr]    |
Dec 06 03:03:38.863 INFO [stderr] 59 | pub fn find_largest_value(registers: HashMap<String, i32>) -> i32 {
Dec 06 03:03:38.863 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `count_garbage`
Dec 06 03:03:38.863 INFO [stderr]  --> src/stream.rs:1:1
Dec 06 03:03:38.863 INFO [stderr]   |
Dec 06 03:03:38.863 INFO [stderr] 1 | pub fn count_garbage(stream: String) -> u32 {
Dec 06 03:03:38.863 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `hash`
Dec 06 03:03:38.863 INFO [stderr]  --> src/knot.rs:1:1
Dec 06 03:03:38.863 INFO [stderr]   |
Dec 06 03:03:38.863 INFO [stderr] 1 | pub fn hash(lengths_string: String) -> String {
Dec 06 03:03:38.863 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `reverse_sublist`
Dec 06 03:03:38.863 INFO [stderr]   --> src/knot.rs:23:1
Dec 06 03:03:38.863 INFO [stderr]    |
Dec 06 03:03:38.863 INFO [stderr] 23 | fn reverse_sublist(list: Vec<u32>, index: usize, size: usize) -> Vec<u32> {
Dec 06 03:03:38.863 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `inverse_captcha_main`
Dec 06 03:03:38.863 INFO [stderr]   --> src/main.rs:13:1
Dec 06 03:03:38.863 INFO [stderr]    |
Dec 06 03:03:38.863 INFO [stderr] 13 | fn inverse_captcha_main() {
Dec 06 03:03:38.863 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `checksum_main`
Dec 06 03:03:38.863 INFO [stderr]   --> src/main.rs:18:1
Dec 06 03:03:38.863 INFO [stderr]    |
Dec 06 03:03:38.863 INFO [stderr] 18 | fn checksum_main() {
Dec 06 03:03:38.863 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `spiral_memory_main`
Dec 06 03:03:38.863 INFO [stderr]   --> src/main.rs:24:1
Dec 06 03:03:38.863 INFO [stderr]    |
Dec 06 03:03:38.863 INFO [stderr] 24 | fn spiral_memory_main(input: u32) {
Dec 06 03:03:38.863 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `passphrase_main`
Dec 06 03:03:38.863 INFO [stderr]   --> src/main.rs:29:1
Dec 06 03:03:38.863 INFO [stderr]    |
Dec 06 03:03:38.863 INFO [stderr] 29 | fn passphrase_main() {
Dec 06 03:03:38.863 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `realloc_main`
Dec 06 03:03:38.863 INFO [stderr]   --> src/main.rs:41:1
Dec 06 03:03:38.863 INFO [stderr]    |
Dec 06 03:03:38.863 INFO [stderr] 41 | fn realloc_main() {
Dec 06 03:03:38.863 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `tower_main`
Dec 06 03:03:38.863 INFO [stderr]   --> src/main.rs:47:1
Dec 06 03:03:38.863 INFO [stderr]    |
Dec 06 03:03:38.863 INFO [stderr] 47 | fn tower_main() {
Dec 06 03:03:38.863 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `registers_main`
Dec 06 03:03:38.863 INFO [stderr]   --> src/main.rs:54:1
Dec 06 03:03:38.863 INFO [stderr]    |
Dec 06 03:03:38.863 INFO [stderr] 54 | fn registers_main() {
Dec 06 03:03:38.863 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 06 03:03:38.863 INFO [stderr] 
Dec 06 03:03:38.863 INFO [stderr] warning: function is never used: `stream_main`
Dec 06 03:03:38.864 INFO [stderr]   --> src/main.rs:61:1
Dec 06 03:03:38.864 INFO [stderr]    |
Dec 06 03:03:38.864 INFO [stderr] 61 | fn stream_main() {
Dec 06 03:03:38.864 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Dec 06 03:03:38.864 INFO [stderr] 
Dec 06 03:03:38.864 INFO [stderr] warning: function is never used: `knot_main`
Dec 06 03:03:38.864 INFO [stderr]   --> src/main.rs:66:1
Dec 06 03:03:38.864 INFO [stderr]    |
Dec 06 03:03:38.864 INFO [stderr] 66 | fn knot_main() {
Dec 06 03:03:38.864 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 06 03:03:38.864 INFO [stderr] 
Dec 06 03:03:39.152 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
Dec 06 03:03:39.152 INFO [stderr] su: No module specific data is present
Dec 06 03:03:39.812 INFO running `"docker" "inspect" "2bf62796963fa2b0c9f2c6bfd5427702ad375c4df3dcc5fe744a079c66bb2cb9"`
Dec 06 03:03:39.942 INFO running `"docker" "rm" "-f" "2bf62796963fa2b0c9f2c6bfd5427702ad375c4df3dcc5fe744a079c66bb2cb9"`
Dec 06 03:03:40.055 INFO [stdout] 2bf62796963fa2b0c9f2c6bfd5427702ad375c4df3dcc5fe744a079c66bb2cb9
Dec 06 03:03:40.058 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 03:03:40.269 INFO [stdout] 874ff40caa31496c180867813e2d56d8febe55ae994279ee438cfe33ae6cdc5e
Dec 06 03:03:40.274 INFO running `"docker" "start" "-a" "874ff40caa31496c180867813e2d56d8febe55ae994279ee438cfe33ae6cdc5e"`
Dec 06 03:03:40.688 INFO [stderr] usermod: no changes
Dec 06 03:03:40.721 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 03:03:40.721 INFO [stderr]      Running /target/debug/deps/advent_2017-88834ac85620c126
Dec 06 03:03:40.723 INFO [stdout] 
Dec 06 03:03:40.723 INFO [stdout] running 0 tests
Dec 06 03:03:40.723 INFO [stdout] 
Dec 06 03:03:40.723 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 03:03:40.723 INFO [stdout] 
Dec 06 03:03:40.725 INFO [stderr] su: No module specific data is present
Dec 06 03:03:41.002 INFO running `"docker" "inspect" "874ff40caa31496c180867813e2d56d8febe55ae994279ee438cfe33ae6cdc5e"`
Dec 06 03:03:41.093 INFO running `"docker" "rm" "-f" "874ff40caa31496c180867813e2d56d8febe55ae994279ee438cfe33ae6cdc5e"`
Dec 06 03:03:41.192 INFO [stdout] 874ff40caa31496c180867813e2d56d8febe55ae994279ee438cfe33ae6cdc5e