Nov 17 12:55:40.038 INFO testing Odoh/advent-code against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 12:55:40.038 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:55:40.819 INFO [stdout] 8ebfe070e73e485bc3fdff2f1d1cac2467dfb6d4fcc52856ee6ac226fc89c694
Nov 17 12:55:40.822 INFO running `"docker" "start" "-a" "8ebfe070e73e485bc3fdff2f1d1cac2467dfb6d4fcc52856ee6ac226fc89c694"`
Nov 17 12:55:41.262 INFO [stderr] usermod: no changes
Nov 17 12:55:41.302 INFO [stderr]    Compiling advent-code v0.1.0 (/source)
Nov 17 12:55:42.141 INFO [stderr] warning: function is never used: `captcha`
Nov 17 12:55:42.141 INFO [stderr]  --> src/day1/part1.rs:5:1
Nov 17 12:55:42.141 INFO [stderr]   |
Nov 17 12:55:42.141 INFO [stderr] 5 | pub fn captcha(slice: &[u32]) -> u32 {
Nov 17 12:55:42.141 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.141 INFO [stderr]   |
Nov 17 12:55:42.141 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 17 12:55:42.141 INFO [stderr] 
Nov 17 12:55:42.141 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.141 INFO [stderr]   --> src/day1/part1.rs:36:1
Nov 17 12:55:42.141 INFO [stderr]    |
Nov 17 12:55:42.141 INFO [stderr] 36 | fn main() {
Nov 17 12:55:42.141 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.141 INFO [stderr] 
Nov 17 12:55:42.141 INFO [stderr] warning: function is never used: `captcha`
Nov 17 12:55:42.141 INFO [stderr]  --> src/day1/part2.rs:5:1
Nov 17 12:55:42.141 INFO [stderr]   |
Nov 17 12:55:42.141 INFO [stderr] 5 | pub fn captcha(slice: &[u32]) -> u32 {
Nov 17 12:55:42.141 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.141 INFO [stderr] 
Nov 17 12:55:42.141 INFO [stderr] warning: function is never used: `shift`
Nov 17 12:55:42.141 INFO [stderr]   --> src/day1/part2.rs:20:1
Nov 17 12:55:42.141 INFO [stderr]    |
Nov 17 12:55:42.141 INFO [stderr] 20 | fn shift(slice: &[u32], amount: usize) -> Vec<u32> {
Nov 17 12:55:42.142 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.142 INFO [stderr]   --> src/day1/part2.rs:41:1
Nov 17 12:55:42.142 INFO [stderr]    |
Nov 17 12:55:42.142 INFO [stderr] 41 | fn main() {
Nov 17 12:55:42.142 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: function is never used: `checksum`
Nov 17 12:55:42.142 INFO [stderr]  --> src/day2/part1.rs:7:1
Nov 17 12:55:42.142 INFO [stderr]   |
Nov 17 12:55:42.142 INFO [stderr] 7 | pub fn checksum(file: &File) -> u32 {
Nov 17 12:55:42.142 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: function is never used: `difference`
Nov 17 12:55:42.142 INFO [stderr]   --> src/day2/part1.rs:21:1
Nov 17 12:55:42.142 INFO [stderr]    |
Nov 17 12:55:42.142 INFO [stderr] 21 | fn difference(slice: &[u32]) -> u32 {
Nov 17 12:55:42.142 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.142 INFO [stderr]   --> src/day2/part1.rs:41:1
Nov 17 12:55:42.142 INFO [stderr]    |
Nov 17 12:55:42.142 INFO [stderr] 41 | fn main() {
Nov 17 12:55:42.142 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: function is never used: `checksum`
Nov 17 12:55:42.142 INFO [stderr]  --> src/day2/part2.rs:7:1
Nov 17 12:55:42.142 INFO [stderr]   |
Nov 17 12:55:42.142 INFO [stderr] 7 | pub fn checksum(file: &File) -> u32 {
Nov 17 12:55:42.142 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: function is never used: `divide`
Nov 17 12:55:42.142 INFO [stderr]   --> src/day2/part2.rs:22:1
Nov 17 12:55:42.142 INFO [stderr]    |
Nov 17 12:55:42.142 INFO [stderr] 22 | fn divide(slice: &[u32]) -> u32 {
Nov 17 12:55:42.142 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.142 INFO [stderr]   --> src/day2/part2.rs:49:1
Nov 17 12:55:42.142 INFO [stderr]    |
Nov 17 12:55:42.142 INFO [stderr] 49 | fn main() {
Nov 17 12:55:42.142 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: struct is never constructed: `Mem`
Nov 17 12:55:42.142 INFO [stderr]   --> src/day3/part1.rs:15:5
Nov 17 12:55:42.142 INFO [stderr]    |
Nov 17 12:55:42.142 INFO [stderr] 15 |     pub struct Mem {
Nov 17 12:55:42.142 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: struct is never constructed: `LocIter`
Nov 17 12:55:42.142 INFO [stderr]   --> src/day3/part1.rs:43:5
Nov 17 12:55:42.142 INFO [stderr]    |
Nov 17 12:55:42.142 INFO [stderr] 43 |     pub struct LocIter {
Nov 17 12:55:42.142 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:42.142 INFO [stderr]   --> src/day3/part1.rs:48:9
Nov 17 12:55:42.142 INFO [stderr]    |
Nov 17 12:55:42.142 INFO [stderr] 48 |         pub fn new() -> Self {
Nov 17 12:55:42.142 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: method is never used: `iter`
Nov 17 12:55:42.142 INFO [stderr]   --> src/day3/part1.rs:59:9
Nov 17 12:55:42.142 INFO [stderr]    |
Nov 17 12:55:42.142 INFO [stderr] 59 |         pub fn iter(&self) -> LocIter {
Nov 17 12:55:42.142 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: method is never used: `distance`
Nov 17 12:55:42.142 INFO [stderr]   --> src/day3/part1.rs:64:9
Nov 17 12:55:42.142 INFO [stderr]    |
Nov 17 12:55:42.142 INFO [stderr] 64 |         pub fn distance(&self, square: u32) -> u32 {
Nov 17 12:55:42.142 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.142 INFO [stderr] 
Nov 17 12:55:42.142 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.142 INFO [stderr]    --> src/day3/part1.rs:148:1
Nov 17 12:55:42.142 INFO [stderr]     |
Nov 17 12:55:42.142 INFO [stderr] 148 | fn main() {
Nov 17 12:55:42.143 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: struct is never constructed: `Mem`
Nov 17 12:55:42.143 INFO [stderr]   --> src/day3/part2.rs:15:5
Nov 17 12:55:42.143 INFO [stderr]    |
Nov 17 12:55:42.143 INFO [stderr] 15 |     pub struct Mem {
Nov 17 12:55:42.143 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:42.143 INFO [stderr]   --> src/day3/part2.rs:49:9
Nov 17 12:55:42.143 INFO [stderr]    |
Nov 17 12:55:42.143 INFO [stderr] 49 |         pub fn new() -> Self {
Nov 17 12:55:42.143 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: method is never used: `iter`
Nov 17 12:55:42.143 INFO [stderr]   --> src/day3/part2.rs:61:9
Nov 17 12:55:42.143 INFO [stderr]    |
Nov 17 12:55:42.143 INFO [stderr] 61 |         pub fn iter(&self) -> LocIter {
Nov 17 12:55:42.143 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: method is never used: `distance`
Nov 17 12:55:42.143 INFO [stderr]   --> src/day3/part2.rs:66:9
Nov 17 12:55:42.143 INFO [stderr]    |
Nov 17 12:55:42.143 INFO [stderr] 66 |         pub fn distance(&self, square: u32) -> u32 {
Nov 17 12:55:42.143 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: method is never used: `store`
Nov 17 12:55:42.143 INFO [stderr]   --> src/day3/part2.rs:75:9
Nov 17 12:55:42.143 INFO [stderr]    |
Nov 17 12:55:42.143 INFO [stderr] 75 |         pub fn store(&self, square: u32) -> u32 {
Nov 17 12:55:42.143 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.143 INFO [stderr]    --> src/day3/part2.rs:174:1
Nov 17 12:55:42.143 INFO [stderr]     |
Nov 17 12:55:42.143 INFO [stderr] 174 | fn main() {
Nov 17 12:55:42.143 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: function is never used: `num_valid_passphrases`
Nov 17 12:55:42.143 INFO [stderr]  --> src/day4/part1.rs:8:1
Nov 17 12:55:42.143 INFO [stderr]   |
Nov 17 12:55:42.143 INFO [stderr] 8 | pub fn num_valid_passphrases(file: &File) -> u32 {
Nov 17 12:55:42.143 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: function is never used: `valid_passphrase`
Nov 17 12:55:42.143 INFO [stderr]   --> src/day4/part1.rs:25:1
Nov 17 12:55:42.143 INFO [stderr]    |
Nov 17 12:55:42.143 INFO [stderr] 25 | fn valid_passphrase(slice: &[&str]) -> bool {
Nov 17 12:55:42.143 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.143 INFO [stderr]   --> src/day4/part1.rs:46:1
Nov 17 12:55:42.143 INFO [stderr]    |
Nov 17 12:55:42.143 INFO [stderr] 46 | fn main() {
Nov 17 12:55:42.143 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: function is never used: `num_valid_passphrases`
Nov 17 12:55:42.143 INFO [stderr]  --> src/day4/part2.rs:8:1
Nov 17 12:55:42.143 INFO [stderr]   |
Nov 17 12:55:42.143 INFO [stderr] 8 | pub fn num_valid_passphrases(file: &File) -> u32 {
Nov 17 12:55:42.143 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: function is never used: `valid_passphrase`
Nov 17 12:55:42.143 INFO [stderr]   --> src/day4/part2.rs:25:1
Nov 17 12:55:42.143 INFO [stderr]    |
Nov 17 12:55:42.143 INFO [stderr] 25 | fn valid_passphrase(slice: &[&str]) -> bool {
Nov 17 12:55:42.143 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.143 INFO [stderr]   --> src/day4/part2.rs:57:1
Nov 17 12:55:42.143 INFO [stderr]    |
Nov 17 12:55:42.143 INFO [stderr] 57 | fn main() {
Nov 17 12:55:42.143 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:42.143 INFO [stderr]  --> src/day5/part1.rs:6:5
Nov 17 12:55:42.143 INFO [stderr]   |
Nov 17 12:55:42.143 INFO [stderr] 6 |     fn new(jump_offsets: Vec<i32>) -> Self {
Nov 17 12:55:42.143 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.143 INFO [stderr] 
Nov 17 12:55:42.143 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.143 INFO [stderr]   --> src/day5/part1.rs:62:1
Nov 17 12:55:42.143 INFO [stderr]    |
Nov 17 12:55:42.143 INFO [stderr] 62 | fn main() {
Nov 17 12:55:42.143 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.144 INFO [stderr] 
Nov 17 12:55:42.144 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:42.144 INFO [stderr]  --> src/day5/part2.rs:6:5
Nov 17 12:55:42.144 INFO [stderr]   |
Nov 17 12:55:42.144 INFO [stderr] 6 |     fn new(jump_offsets: Vec<i32>) -> Self {
Nov 17 12:55:42.144 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.144 INFO [stderr] 
Nov 17 12:55:42.144 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.144 INFO [stderr]   --> src/day5/part2.rs:57:1
Nov 17 12:55:42.144 INFO [stderr]    |
Nov 17 12:55:42.144 INFO [stderr] 57 | fn main() {
Nov 17 12:55:42.144 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.144 INFO [stderr] 
Nov 17 12:55:42.144 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:42.144 INFO [stderr]  --> src/day6/part1.rs:7:5
Nov 17 12:55:42.144 INFO [stderr]   |
Nov 17 12:55:42.144 INFO [stderr] 7 |     fn new(blocks: Vec<u32>) -> MemBank {
Nov 17 12:55:42.144 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.144 INFO [stderr] 
Nov 17 12:55:42.144 INFO [stderr] warning: method is never used: `iter`
Nov 17 12:55:42.144 INFO [stderr]   --> src/day6/part1.rs:11:5
Nov 17 12:55:42.144 INFO [stderr]    |
Nov 17 12:55:42.144 INFO [stderr] 11 |     fn iter(&self) -> MemBankIterator {
Nov 17 12:55:42.144 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.144 INFO [stderr] 
Nov 17 12:55:42.144 INFO [stderr] warning: struct is never constructed: `MemBankIterator`
Nov 17 12:55:42.144 INFO [stderr]   --> src/day6/part1.rs:54:1
Nov 17 12:55:42.144 INFO [stderr]    |
Nov 17 12:55:42.144 INFO [stderr] 54 | struct MemBankIterator {
Nov 17 12:55:42.144 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.144 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.146 INFO [stderr]   --> src/day6/part1.rs:81:1
Nov 17 12:55:42.146 INFO [stderr]    |
Nov 17 12:55:42.146 INFO [stderr] 81 | fn main() {
Nov 17 12:55:42.146 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:42.146 INFO [stderr]  --> src/day6/part2.rs:7:5
Nov 17 12:55:42.146 INFO [stderr]   |
Nov 17 12:55:42.146 INFO [stderr] 7 |     fn new(blocks: Vec<u32>) -> MemBank {
Nov 17 12:55:42.146 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: method is never used: `iter`
Nov 17 12:55:42.146 INFO [stderr]   --> src/day6/part2.rs:11:5
Nov 17 12:55:42.146 INFO [stderr]    |
Nov 17 12:55:42.146 INFO [stderr] 11 |     fn iter(&self) -> MemBankIterator {
Nov 17 12:55:42.146 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: struct is never constructed: `MemBankIterator`
Nov 17 12:55:42.146 INFO [stderr]   --> src/day6/part2.rs:54:1
Nov 17 12:55:42.146 INFO [stderr]    |
Nov 17 12:55:42.146 INFO [stderr] 54 | struct MemBankIterator {
Nov 17 12:55:42.146 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.146 INFO [stderr]   --> src/day6/part2.rs:73:1
Nov 17 12:55:42.146 INFO [stderr]    |
Nov 17 12:55:42.146 INFO [stderr] 73 | fn main() {
Nov 17 12:55:42.146 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: function is never used: `parse_line`
Nov 17 12:55:42.146 INFO [stderr]  --> src/day7/part1.rs:6:1
Nov 17 12:55:42.146 INFO [stderr]   |
Nov 17 12:55:42.146 INFO [stderr] 6 | fn parse_line(line: &str) -> (String, Vec<String>) {
Nov 17 12:55:42.146 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: function is never used: `parse_file`
Nov 17 12:55:42.146 INFO [stderr]   --> src/day7/part1.rs:17:1
Nov 17 12:55:42.146 INFO [stderr]    |
Nov 17 12:55:42.146 INFO [stderr] 17 | fn parse_file(filename: &str) -> HashMap<String, Vec<String>> {
Nov 17 12:55:42.146 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.146 INFO [stderr]   --> src/day7/part1.rs:28:1
Nov 17 12:55:42.146 INFO [stderr]    |
Nov 17 12:55:42.146 INFO [stderr] 28 | fn main() {
Nov 17 12:55:42.146 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: struct is never constructed: `Info`
Nov 17 12:55:42.146 INFO [stderr]  --> src/day7/part2.rs:6:1
Nov 17 12:55:42.146 INFO [stderr]   |
Nov 17 12:55:42.146 INFO [stderr] 6 | struct Info {
Nov 17 12:55:42.146 INFO [stderr]   | ^^^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: struct is never constructed: `ProgramGraph`
Nov 17 12:55:42.146 INFO [stderr]   --> src/day7/part2.rs:11:1
Nov 17 12:55:42.146 INFO [stderr]    |
Nov 17 12:55:42.146 INFO [stderr] 11 | struct ProgramGraph {
Nov 17 12:55:42.146 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:42.146 INFO [stderr]   --> src/day7/part2.rs:18:5
Nov 17 12:55:42.146 INFO [stderr]    |
Nov 17 12:55:42.146 INFO [stderr] 18 |     fn new(filename: &str) -> ProgramGraph {
Nov 17 12:55:42.146 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: method is never used: `root`
Nov 17 12:55:42.146 INFO [stderr]   --> src/day7/part2.rs:29:5
Nov 17 12:55:42.146 INFO [stderr]    |
Nov 17 12:55:42.146 INFO [stderr] 29 |     fn root(&self) -> &str {
Nov 17 12:55:42.146 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: method is never used: `total_weight`
Nov 17 12:55:42.146 INFO [stderr]   --> src/day7/part2.rs:38:5
Nov 17 12:55:42.146 INFO [stderr]    |
Nov 17 12:55:42.146 INFO [stderr] 38 |     fn total_weight(&self, name: &str) -> u32 {
Nov 17 12:55:42.146 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.146 INFO [stderr] 
Nov 17 12:55:42.146 INFO [stderr] warning: method is never used: `is_unbalanced`
Nov 17 12:55:42.146 INFO [stderr]   --> src/day7/part2.rs:47:5
Nov 17 12:55:42.147 INFO [stderr]    |
Nov 17 12:55:42.147 INFO [stderr] 47 |     fn is_unbalanced(&self, name: &str) -> bool {
Nov 17 12:55:42.147 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: method is never used: `find_unbalanced`
Nov 17 12:55:42.147 INFO [stderr]   --> src/day7/part2.rs:59:5
Nov 17 12:55:42.147 INFO [stderr]    |
Nov 17 12:55:42.147 INFO [stderr] 59 |     fn find_unbalanced(&self) -> Vec<&String> {
Nov 17 12:55:42.147 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: method is never used: `balanced_held_total_weight`
Nov 17 12:55:42.147 INFO [stderr]   --> src/day7/part2.rs:66:5
Nov 17 12:55:42.147 INFO [stderr]    |
Nov 17 12:55:42.147 INFO [stderr] 66 |     fn balanced_held_total_weight(&self, name: &str) -> u32 {
Nov 17 12:55:42.147 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: method is never used: `rebalance_weight`
Nov 17 12:55:42.147 INFO [stderr]   --> src/day7/part2.rs:86:5
Nov 17 12:55:42.147 INFO [stderr]    |
Nov 17 12:55:42.147 INFO [stderr] 86 |     fn rebalance_weight(&self, name: &str) -> (&String, u32) {
Nov 17 12:55:42.147 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: function is never used: `parse_line`
Nov 17 12:55:42.147 INFO [stderr]    --> src/day7/part2.rs:104:1
Nov 17 12:55:42.147 INFO [stderr]     |
Nov 17 12:55:42.147 INFO [stderr] 104 | fn parse_line(line: &str) -> (String, Info) {
Nov 17 12:55:42.147 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.147 INFO [stderr]    --> src/day7/part2.rs:121:1
Nov 17 12:55:42.147 INFO [stderr]     |
Nov 17 12:55:42.147 INFO [stderr] 121 | fn main() {
Nov 17 12:55:42.147 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: struct is never constructed: `Cpu`
Nov 17 12:55:42.147 INFO [stderr]  --> src/day8/part1.rs:8:1
Nov 17 12:55:42.147 INFO [stderr]   |
Nov 17 12:55:42.147 INFO [stderr] 8 | struct Cpu {
Nov 17 12:55:42.147 INFO [stderr]   | ^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: struct is never constructed: `Register`
Nov 17 12:55:42.147 INFO [stderr]   --> src/day8/part1.rs:14:1
Nov 17 12:55:42.147 INFO [stderr]    |
Nov 17 12:55:42.147 INFO [stderr] 14 | struct Register {
Nov 17 12:55:42.147 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: enum is never used: `Modification`
Nov 17 12:55:42.147 INFO [stderr]   --> src/day8/part1.rs:19:1
Nov 17 12:55:42.147 INFO [stderr]    |
Nov 17 12:55:42.147 INFO [stderr] 19 | enum Modification {
Nov 17 12:55:42.147 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: enum is never used: `Condition`
Nov 17 12:55:42.147 INFO [stderr]   --> src/day8/part1.rs:25:1
Nov 17 12:55:42.147 INFO [stderr]    |
Nov 17 12:55:42.147 INFO [stderr] 25 | enum Condition {
Nov 17 12:55:42.147 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: struct is never constructed: `Instruction`
Nov 17 12:55:42.147 INFO [stderr]   --> src/day8/part1.rs:35:1
Nov 17 12:55:42.147 INFO [stderr]    |
Nov 17 12:55:42.147 INFO [stderr] 35 | struct Instruction {
Nov 17 12:55:42.147 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: method is never used: `is_condition`
Nov 17 12:55:42.147 INFO [stderr]   --> src/day8/part1.rs:45:5
Nov 17 12:55:42.147 INFO [stderr]    |
Nov 17 12:55:42.147 INFO [stderr] 45 |     pub fn is_condition(&self, condition: &Condition) -> bool {
Nov 17 12:55:42.147 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: method is never used: `modify`
Nov 17 12:55:42.147 INFO [stderr]   --> src/day8/part1.rs:57:5
Nov 17 12:55:42.147 INFO [stderr]    |
Nov 17 12:55:42.147 INFO [stderr] 57 |     pub fn modify(&mut self, modification: &Modification) {
Nov 17 12:55:42.147 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: type alias is never used: `RegisterIter`
Nov 17 12:55:42.147 INFO [stderr]   --> src/day8/part1.rs:65:1
Nov 17 12:55:42.147 INFO [stderr]    |
Nov 17 12:55:42.147 INFO [stderr] 65 | type RegisterIter<'a> = Values<'a, String, Register>;
Nov 17 12:55:42.147 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.147 INFO [stderr] 
Nov 17 12:55:42.147 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:42.147 INFO [stderr]   --> src/day8/part1.rs:70:5
Nov 17 12:55:42.147 INFO [stderr]    |
Nov 17 12:55:42.147 INFO [stderr] 70 |     pub fn new(registers: HashMap<String, Register>) -> Self {
Nov 17 12:55:42.148 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.148 INFO [stderr] 
Nov 17 12:55:42.148 INFO [stderr] warning: method is never used: `execute`
Nov 17 12:55:42.148 INFO [stderr]   --> src/day8/part1.rs:75:5
Nov 17 12:55:42.148 INFO [stderr]    |
Nov 17 12:55:42.148 INFO [stderr] 75 |     pub fn execute(&mut self, instructions: &[Instruction]) {
Nov 17 12:55:42.148 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.148 INFO [stderr] 
Nov 17 12:55:42.148 INFO [stderr] warning: method is never used: `registers`
Nov 17 12:55:42.148 INFO [stderr]   --> src/day8/part1.rs:90:5
Nov 17 12:55:42.148 INFO [stderr]    |
Nov 17 12:55:42.148 INFO [stderr] 90 |     pub fn registers(&self) -> RegisterIter {
Nov 17 12:55:42.148 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.148 INFO [stderr] 
Nov 17 12:55:42.148 INFO [stderr] warning: function is never used: `parse_file`
Nov 17 12:55:42.148 INFO [stderr]    --> src/day8/part1.rs:95:1
Nov 17 12:55:42.148 INFO [stderr]     |
Nov 17 12:55:42.148 INFO [stderr] 95  | / fn parse_file(filename: &str,
Nov 17 12:55:42.148 INFO [stderr] 96  | |               registers: &mut HashMap<String, Register>,
Nov 17 12:55:42.148 INFO [stderr] 97  | |               instructions: &mut Vec<Instruction>) {
Nov 17 12:55:42.148 INFO [stderr] 98  | |     let file = File::open(filename).expect("file not found");
Nov 17 12:55:42.148 INFO [stderr] ...   |
Nov 17 12:55:42.148 INFO [stderr] 102 | |     }
Nov 17 12:55:42.148 INFO [stderr] 103 | | }
Nov 17 12:55:42.148 INFO [stderr]     | |_^
Nov 17 12:55:42.148 INFO [stderr] 
Nov 17 12:55:42.148 INFO [stderr] warning: function is never used: `parse_line`
Nov 17 12:55:42.148 INFO [stderr]    --> src/day8/part1.rs:105:1
Nov 17 12:55:42.148 INFO [stderr]     |
Nov 17 12:55:42.148 INFO [stderr] 105 | / fn parse_line(line: &str, 
Nov 17 12:55:42.148 INFO [stderr] 106 | |               registers: &mut HashMap<String, Register>,
Nov 17 12:55:42.148 INFO [stderr] 107 | |               instructions: &mut Vec<Instruction>) {
Nov 17 12:55:42.148 INFO [stderr] 108 | |     // all tokens are whitespace delimited:
Nov 17 12:55:42.148 INFO [stderr] ...   |
Nov 17 12:55:42.148 INFO [stderr] 143 | |     });
Nov 17 12:55:42.148 INFO [stderr] 144 | | }
Nov 17 12:55:42.148 INFO [stderr]     | |_^
Nov 17 12:55:42.148 INFO [stderr] 
Nov 17 12:55:42.148 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.148 INFO [stderr]    --> src/day8/part1.rs:146:1
Nov 17 12:55:42.148 INFO [stderr]     |
Nov 17 12:55:42.148 INFO [stderr] 146 | fn main() {
Nov 17 12:55:42.148 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:42.148 INFO [stderr] 
Nov 17 12:55:42.148 INFO [stderr] warning: struct is never constructed: `Cpu`
Nov 17 12:55:42.148 INFO [stderr]  --> src/day8/part2.rs:8:1
Nov 17 12:55:42.148 INFO [stderr]   |
Nov 17 12:55:42.148 INFO [stderr] 8 | struct Cpu {
Nov 17 12:55:42.148 INFO [stderr]   | ^^^^^^^^^^
Nov 17 12:55:42.148 INFO [stderr] 
Nov 17 12:55:42.148 INFO [stderr] warning: struct is never constructed: `Register`
Nov 17 12:55:42.148 INFO [stderr]   --> src/day8/part2.rs:17:1
Nov 17 12:55:42.148 INFO [stderr]    |
Nov 17 12:55:42.148 INFO [stderr] 17 | struct Register {
Nov 17 12:55:42.148 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 17 12:55:42.148 INFO [stderr] 
Nov 17 12:55:42.148 INFO [stderr] warning: enum is never used: `Modification`
Nov 17 12:55:42.148 INFO [stderr]   --> src/day8/part2.rs:22:1
Nov 17 12:55:42.148 INFO [stderr]    |
Nov 17 12:55:42.148 INFO [stderr] 22 | enum Modification {
Nov 17 12:55:42.148 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.148 INFO [stderr] 
Nov 17 12:55:42.148 INFO [stderr] warning: enum is never used: `Condition`
Nov 17 12:55:42.148 INFO [stderr]   --> src/day8/part2.rs:28:1
Nov 17 12:55:42.148 INFO [stderr]    |
Nov 17 12:55:42.148 INFO [stderr] 28 | enum Condition {
Nov 17 12:55:42.148 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 17 12:55:42.148 INFO [stderr] 
Nov 17 12:55:42.148 INFO [stderr] warning: struct is never constructed: `Instruction`
Nov 17 12:55:42.148 INFO [stderr]   --> src/day8/part2.rs:38:1
Nov 17 12:55:42.148 INFO [stderr]    |
Nov 17 12:55:42.148 INFO [stderr] 38 | struct Instruction {
Nov 17 12:55:42.148 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.148 INFO [stderr] 
Nov 17 12:55:42.148 INFO [stderr] warning: method is never used: `is_condition`
Nov 17 12:55:42.148 INFO [stderr]   --> src/day8/part2.rs:48:5
Nov 17 12:55:42.148 INFO [stderr]    |
Nov 17 12:55:42.148 INFO [stderr] 48 |     pub fn is_condition(&self, condition: &Condition) -> bool {
Nov 17 12:55:42.148 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.148 INFO [stderr] 
Nov 17 12:55:42.148 INFO [stderr] warning: method is never used: `modify`
Nov 17 12:55:42.148 INFO [stderr]   --> src/day8/part2.rs:60:5
Nov 17 12:55:42.149 INFO [stderr]    |
Nov 17 12:55:42.149 INFO [stderr] 60 |     pub fn modify(&mut self, modification: &Modification) {
Nov 17 12:55:42.149 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.149 INFO [stderr] 
Nov 17 12:55:42.149 INFO [stderr] warning: type alias is never used: `RegisterIter`
Nov 17 12:55:42.149 INFO [stderr]   --> src/day8/part2.rs:68:1
Nov 17 12:55:42.149 INFO [stderr]    |
Nov 17 12:55:42.149 INFO [stderr] 68 | type RegisterIter<'a> = Values<'a, String, Register>;
Nov 17 12:55:42.149 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.149 INFO [stderr] 
Nov 17 12:55:42.149 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:42.149 INFO [stderr]   --> src/day8/part2.rs:73:5
Nov 17 12:55:42.149 INFO [stderr]    |
Nov 17 12:55:42.149 INFO [stderr] 73 |     pub fn new(registers: HashMap<String, Register>) -> Self {
Nov 17 12:55:42.149 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.149 INFO [stderr] 
Nov 17 12:55:42.149 INFO [stderr] warning: method is never used: `execute`
Nov 17 12:55:42.149 INFO [stderr]   --> src/day8/part2.rs:79:5
Nov 17 12:55:42.149 INFO [stderr]    |
Nov 17 12:55:42.149 INFO [stderr] 79 |     pub fn execute(&mut self, instructions: &[Instruction]) {
Nov 17 12:55:42.149 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.149 INFO [stderr] 
Nov 17 12:55:42.149 INFO [stderr] warning: method is never used: `registers`
Nov 17 12:55:42.149 INFO [stderr]   --> src/day8/part2.rs:98:5
Nov 17 12:55:42.149 INFO [stderr]    |
Nov 17 12:55:42.149 INFO [stderr] 98 |     pub fn registers(&self) -> RegisterIter {
Nov 17 12:55:42.149 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.149 INFO [stderr] 
Nov 17 12:55:42.149 INFO [stderr] warning: method is never used: `largest_seen_register_value`
Nov 17 12:55:42.149 INFO [stderr]    --> src/day8/part2.rs:103:5
Nov 17 12:55:42.149 INFO [stderr]     |
Nov 17 12:55:42.149 INFO [stderr] 103 |     pub fn largest_seen_register_value(&self) -> i32 {
Nov 17 12:55:42.149 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.149 INFO [stderr] 
Nov 17 12:55:42.149 INFO [stderr] warning: function is never used: `parse_file`
Nov 17 12:55:42.149 INFO [stderr]    --> src/day8/part2.rs:108:1
Nov 17 12:55:42.149 INFO [stderr]     |
Nov 17 12:55:42.149 INFO [stderr] 108 | / fn parse_file(filename: &str,
Nov 17 12:55:42.149 INFO [stderr] 109 | |               registers: &mut HashMap<String, Register>,
Nov 17 12:55:42.149 INFO [stderr] 110 | |               instructions: &mut Vec<Instruction>) {
Nov 17 12:55:42.149 INFO [stderr] 111 | |     let file = File::open(filename).expect("file not found");
Nov 17 12:55:42.149 INFO [stderr] ...   |
Nov 17 12:55:42.149 INFO [stderr] 115 | |     }
Nov 17 12:55:42.149 INFO [stderr] 116 | | }
Nov 17 12:55:42.149 INFO [stderr]     | |_^
Nov 17 12:55:42.149 INFO [stderr] 
Nov 17 12:55:42.149 INFO [stderr] warning: function is never used: `parse_line`
Nov 17 12:55:42.149 INFO [stderr]    --> src/day8/part2.rs:118:1
Nov 17 12:55:42.149 INFO [stderr]     |
Nov 17 12:55:42.149 INFO [stderr] 118 | / fn parse_line(line: &str, 
Nov 17 12:55:42.149 INFO [stderr] 119 | |               registers: &mut HashMap<String, Register>,
Nov 17 12:55:42.149 INFO [stderr] 120 | |               instructions: &mut Vec<Instruction>) {
Nov 17 12:55:42.149 INFO [stderr] 121 | |     // all tokens are whitespace delimited:
Nov 17 12:55:42.149 INFO [stderr] ...   |
Nov 17 12:55:42.149 INFO [stderr] 156 | |     });
Nov 17 12:55:42.149 INFO [stderr] 157 | | }
Nov 17 12:55:42.149 INFO [stderr]     | |_^
Nov 17 12:55:42.149 INFO [stderr] 
Nov 17 12:55:42.149 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.149 INFO [stderr]    --> src/day8/part2.rs:159:1
Nov 17 12:55:42.149 INFO [stderr]     |
Nov 17 12:55:42.149 INFO [stderr] 159 | fn main() {
Nov 17 12:55:42.149 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:42.149 INFO [stderr] 
Nov 17 12:55:42.149 INFO [stderr] warning: struct is never constructed: `StreamResults`
Nov 17 12:55:42.149 INFO [stderr]  --> src/day9/part1.rs:6:1
Nov 17 12:55:42.149 INFO [stderr]   |
Nov 17 12:55:42.149 INFO [stderr] 6 | struct StreamResults {
Nov 17 12:55:42.149 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.149 INFO [stderr] 
Nov 17 12:55:42.149 INFO [stderr] warning: function is never used: `process_stream`
Nov 17 12:55:42.149 INFO [stderr]   --> src/day9/part1.rs:12:1
Nov 17 12:55:42.149 INFO [stderr]    |
Nov 17 12:55:42.149 INFO [stderr] 12 | fn process_stream(stream: mpsc::Receiver<char>, results: &Mutex<StreamResults>) { 
Nov 17 12:55:42.149 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.149 INFO [stderr] 
Nov 17 12:55:42.149 INFO [stderr] warning: function is never used: `process`
Nov 17 12:55:42.149 INFO [stderr]   --> src/day9/part1.rs:49:1
Nov 17 12:55:42.149 INFO [stderr]    |
Nov 17 12:55:42.149 INFO [stderr] 49 | fn process(input: &str) -> StreamResults {
Nov 17 12:55:42.149 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.149 INFO [stderr] 
Nov 17 12:55:42.149 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.150 INFO [stderr]    --> src/day9/part1.rs:130:1
Nov 17 12:55:42.150 INFO [stderr]     |
Nov 17 12:55:42.150 INFO [stderr] 130 | fn main() {
Nov 17 12:55:42.150 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:42.150 INFO [stderr] 
Nov 17 12:55:42.150 INFO [stderr] warning: struct is never constructed: `StreamResults`
Nov 17 12:55:42.150 INFO [stderr]  --> src/day9/part2.rs:6:1
Nov 17 12:55:42.150 INFO [stderr]   |
Nov 17 12:55:42.150 INFO [stderr] 6 | struct StreamResults {
Nov 17 12:55:42.150 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.150 INFO [stderr] 
Nov 17 12:55:42.150 INFO [stderr] warning: function is never used: `process_stream`
Nov 17 12:55:42.150 INFO [stderr]   --> src/day9/part2.rs:13:1
Nov 17 12:55:42.150 INFO [stderr]    |
Nov 17 12:55:42.150 INFO [stderr] 13 | fn process_stream(stream: mpsc::Receiver<char>, results: &Mutex<StreamResults>) { 
Nov 17 12:55:42.150 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.150 INFO [stderr] 
Nov 17 12:55:42.150 INFO [stderr] warning: function is never used: `process`
Nov 17 12:55:42.150 INFO [stderr]   --> src/day9/part2.rs:50:1
Nov 17 12:55:42.150 INFO [stderr]    |
Nov 17 12:55:42.150 INFO [stderr] 50 | fn process(input: &str) -> StreamResults {
Nov 17 12:55:42.150 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.150 INFO [stderr] 
Nov 17 12:55:42.150 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.150 INFO [stderr]    --> src/day9/part2.rs:132:1
Nov 17 12:55:42.150 INFO [stderr]     |
Nov 17 12:55:42.150 INFO [stderr] 132 | fn main() {
Nov 17 12:55:42.150 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:42.150 INFO [stderr] 
Nov 17 12:55:42.151 INFO [stderr] warning: struct is never constructed: `KnotHash`
Nov 17 12:55:42.151 INFO [stderr]  --> src/day10/part1.rs:2:1
Nov 17 12:55:42.151 INFO [stderr]   |
Nov 17 12:55:42.151 INFO [stderr] 2 | struct KnotHash {
Nov 17 12:55:42.151 INFO [stderr]   | ^^^^^^^^^^^^^^^
Nov 17 12:55:42.151 INFO [stderr] 
Nov 17 12:55:42.151 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:42.151 INFO [stderr]  --> src/day10/part1.rs:9:5
Nov 17 12:55:42.151 INFO [stderr]   |
Nov 17 12:55:42.151 INFO [stderr] 9 |     pub fn new() -> Self {
Nov 17 12:55:42.151 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.151 INFO [stderr] 
Nov 17 12:55:42.151 INFO [stderr] warning: method is never used: `tie`
Nov 17 12:55:42.151 INFO [stderr]   --> src/day10/part1.rs:17:5
Nov 17 12:55:42.151 INFO [stderr]    |
Nov 17 12:55:42.151 INFO [stderr] 17 |     fn tie(&mut self, length: usize) {
Nov 17 12:55:42.151 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.151 INFO [stderr] 
Nov 17 12:55:42.151 INFO [stderr] warning: method is never used: `hash`
Nov 17 12:55:42.151 INFO [stderr]   --> src/day10/part1.rs:41:5
Nov 17 12:55:42.151 INFO [stderr]    |
Nov 17 12:55:42.151 INFO [stderr] 41 |     fn hash(&self) -> u32 {
Nov 17 12:55:42.151 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.151 INFO [stderr] 
Nov 17 12:55:42.151 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.151 INFO [stderr]   --> src/day10/part1.rs:46:1
Nov 17 12:55:42.151 INFO [stderr]    |
Nov 17 12:55:42.151 INFO [stderr] 46 | fn main() {
Nov 17 12:55:42.151 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.151 INFO [stderr] 
Nov 17 12:55:42.151 INFO [stderr] warning: struct is never constructed: `KnotHash`
Nov 17 12:55:42.151 INFO [stderr]  --> src/day10/part2.rs:2:1
Nov 17 12:55:42.151 INFO [stderr]   |
Nov 17 12:55:42.151 INFO [stderr] 2 | struct KnotHash {
Nov 17 12:55:42.152 INFO [stderr]   | ^^^^^^^^^^^^^^^
Nov 17 12:55:42.152 INFO [stderr] 
Nov 17 12:55:42.152 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:42.152 INFO [stderr]  --> src/day10/part2.rs:9:5
Nov 17 12:55:42.152 INFO [stderr]   |
Nov 17 12:55:42.152 INFO [stderr] 9 |     pub fn new() -> Self {
Nov 17 12:55:42.152 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.152 INFO [stderr] 
Nov 17 12:55:42.152 INFO [stderr] warning: method is never used: `tie`
Nov 17 12:55:42.152 INFO [stderr]   --> src/day10/part2.rs:17:5
Nov 17 12:55:42.152 INFO [stderr]    |
Nov 17 12:55:42.152 INFO [stderr] 17 |     fn tie(&mut self, length: usize) {
Nov 17 12:55:42.152 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.152 INFO [stderr] 
Nov 17 12:55:42.152 INFO [stderr] warning: function is never used: `knot_hash`
Nov 17 12:55:42.152 INFO [stderr]   --> src/day10/part2.rs:42:1
Nov 17 12:55:42.152 INFO [stderr]    |
Nov 17 12:55:42.152 INFO [stderr] 42 | fn knot_hash(input: &str) -> String {
Nov 17 12:55:42.152 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.152 INFO [stderr] 
Nov 17 12:55:42.152 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:42.152 INFO [stderr]   --> src/day10/part2.rs:89:1
Nov 17 12:55:42.152 INFO [stderr]    |
Nov 17 12:55:42.152 INFO [stderr] 89 | fn main() {
Nov 17 12:55:42.152 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:42.152 INFO [stderr] 
Nov 17 12:55:42.152 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:55:42.152 INFO [stderr]   --> src/day9/part1.rs:67:9
Nov 17 12:55:42.152 INFO [stderr]    |
Nov 17 12:55:42.152 INFO [stderr] 67 |         tx.send(c);
Nov 17 12:55:42.152 INFO [stderr]    |         ^^^^^^^^^^^
Nov 17 12:55:42.152 INFO [stderr]    |
Nov 17 12:55:42.152 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 12:55:42.152 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:55:42.152 INFO [stderr] 
Nov 17 12:55:42.152 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:55:42.152 INFO [stderr]   --> src/day9/part1.rs:72:5
Nov 17 12:55:42.152 INFO [stderr]    |
Nov 17 12:55:42.152 INFO [stderr] 72 |     processor.join();
Nov 17 12:55:42.152 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.152 INFO [stderr]    |
Nov 17 12:55:42.152 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:55:42.152 INFO [stderr] 
Nov 17 12:55:42.152 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:55:42.152 INFO [stderr]   --> src/day9/part2.rs:69:9
Nov 17 12:55:42.152 INFO [stderr]    |
Nov 17 12:55:42.152 INFO [stderr] 69 |         tx.send(c);
Nov 17 12:55:42.152 INFO [stderr]    |         ^^^^^^^^^^^
Nov 17 12:55:42.152 INFO [stderr]    |
Nov 17 12:55:42.152 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:55:42.152 INFO [stderr] 
Nov 17 12:55:42.152 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:55:42.152 INFO [stderr]   --> src/day9/part2.rs:74:5
Nov 17 12:55:42.152 INFO [stderr]    |
Nov 17 12:55:42.152 INFO [stderr] 74 |     processor.join();
Nov 17 12:55:42.152 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 17 12:55:42.152 INFO [stderr]    |
Nov 17 12:55:42.152 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:55:42.152 INFO [stderr] 
Nov 17 12:55:42.336 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Nov 17 12:55:42.343 INFO [stderr] su: No module specific data is present
Nov 17 12:55:42.913 INFO running `"docker" "inspect" "8ebfe070e73e485bc3fdff2f1d1cac2467dfb6d4fcc52856ee6ac226fc89c694"`
Nov 17 12:55:43.245 INFO running `"docker" "rm" "-f" "8ebfe070e73e485bc3fdff2f1d1cac2467dfb6d4fcc52856ee6ac226fc89c694"`
Nov 17 12:55:43.640 INFO [stdout] 8ebfe070e73e485bc3fdff2f1d1cac2467dfb6d4fcc52856ee6ac226fc89c694
Nov 17 12:55:43.641 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:55:44.148 INFO [stdout] 5dd7e30eb007c48d84246097b0f06455c763080985e1c7c0aa0eb5a7937d5388
Nov 17 12:55:44.156 INFO running `"docker" "start" "-a" "5dd7e30eb007c48d84246097b0f06455c763080985e1c7c0aa0eb5a7937d5388"`
Nov 17 12:55:45.715 INFO [stderr] usermod: no changes
Nov 17 12:55:45.755 INFO [stderr]    Compiling advent-code v0.1.0 (/source)
Nov 17 12:55:46.529 INFO [stderr] warning: unused import: `std::fs::File`
Nov 17 12:55:46.530 INFO [stderr]   --> src/day4/part1.rs:35:9
Nov 17 12:55:46.530 INFO [stderr]    |
Nov 17 12:55:46.530 INFO [stderr] 35 |     use std::fs::File;
Nov 17 12:55:46.530 INFO [stderr]    |         ^^^^^^^^^^^^^
Nov 17 12:55:46.530 INFO [stderr]    |
Nov 17 12:55:46.530 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 17 12:55:46.530 INFO [stderr] 
Nov 17 12:55:46.530 INFO [stderr] warning: unused import: `std::fs::File`
Nov 17 12:55:46.530 INFO [stderr]   --> src/day4/part2.rs:44:9
Nov 17 12:55:46.530 INFO [stderr]    |
Nov 17 12:55:46.530 INFO [stderr] 44 |     use std::fs::File;
Nov 17 12:55:46.530 INFO [stderr]    |         ^^^^^^^^^^^^^
Nov 17 12:55:46.530 INFO [stderr] 
Nov 17 12:55:47.265 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.266 INFO [stderr]   --> src/day1/part1.rs:36:1
Nov 17 12:55:47.266 INFO [stderr]    |
Nov 17 12:55:47.266 INFO [stderr] 36 | fn main() {
Nov 17 12:55:47.267 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.267 INFO [stderr]    |
Nov 17 12:55:47.268 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 12:55:47.268 INFO [stderr] 
Nov 17 12:55:47.268 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.269 INFO [stderr]   --> src/day1/part2.rs:41:1
Nov 17 12:55:47.269 INFO [stderr]    |
Nov 17 12:55:47.270 INFO [stderr] 41 | fn main() {
Nov 17 12:55:47.270 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.270 INFO [stderr] 
Nov 17 12:55:47.271 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.271 INFO [stderr]   --> src/day2/part1.rs:41:1
Nov 17 12:55:47.272 INFO [stderr]    |
Nov 17 12:55:47.272 INFO [stderr] 41 | fn main() {
Nov 17 12:55:47.272 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.273 INFO [stderr] 
Nov 17 12:55:47.273 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.274 INFO [stderr]   --> src/day2/part2.rs:49:1
Nov 17 12:55:47.274 INFO [stderr]    |
Nov 17 12:55:47.274 INFO [stderr] 49 | fn main() {
Nov 17 12:55:47.275 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.275 INFO [stderr] 
Nov 17 12:55:47.275 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.275 INFO [stderr]    --> src/day3/part1.rs:148:1
Nov 17 12:55:47.276 INFO [stderr]     |
Nov 17 12:55:47.276 INFO [stderr] 148 | fn main() {
Nov 17 12:55:47.276 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:47.276 INFO [stderr] 
Nov 17 12:55:47.276 INFO [stderr] warning: method is never used: `distance`
Nov 17 12:55:47.276 INFO [stderr]   --> src/day3/part2.rs:66:9
Nov 17 12:55:47.276 INFO [stderr]    |
Nov 17 12:55:47.276 INFO [stderr] 66 |         pub fn distance(&self, square: u32) -> u32 {
Nov 17 12:55:47.276 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.276 INFO [stderr] 
Nov 17 12:55:47.276 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.276 INFO [stderr]    --> src/day3/part2.rs:174:1
Nov 17 12:55:47.276 INFO [stderr]     |
Nov 17 12:55:47.276 INFO [stderr] 174 | fn main() {
Nov 17 12:55:47.276 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:47.277 INFO [stderr] 
Nov 17 12:55:47.277 INFO [stderr] warning: function is never used: `num_valid_passphrases`
Nov 17 12:55:47.277 INFO [stderr]  --> src/day4/part1.rs:8:1
Nov 17 12:55:47.277 INFO [stderr]   |
Nov 17 12:55:47.277 INFO [stderr] 8 | pub fn num_valid_passphrases(file: &File) -> u32 {
Nov 17 12:55:47.277 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.277 INFO [stderr] 
Nov 17 12:55:47.277 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.277 INFO [stderr]   --> src/day4/part1.rs:46:1
Nov 17 12:55:47.277 INFO [stderr]    |
Nov 17 12:55:47.277 INFO [stderr] 46 | fn main() {
Nov 17 12:55:47.277 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.277 INFO [stderr] 
Nov 17 12:55:47.277 INFO [stderr] warning: function is never used: `num_valid_passphrases`
Nov 17 12:55:47.277 INFO [stderr]  --> src/day4/part2.rs:8:1
Nov 17 12:55:47.277 INFO [stderr]   |
Nov 17 12:55:47.277 INFO [stderr] 8 | pub fn num_valid_passphrases(file: &File) -> u32 {
Nov 17 12:55:47.277 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.277 INFO [stderr] 
Nov 17 12:55:47.278 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.278 INFO [stderr]   --> src/day4/part2.rs:57:1
Nov 17 12:55:47.278 INFO [stderr]    |
Nov 17 12:55:47.278 INFO [stderr] 57 | fn main() {
Nov 17 12:55:47.278 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.278 INFO [stderr] 
Nov 17 12:55:47.278 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.278 INFO [stderr]   --> src/day5/part1.rs:62:1
Nov 17 12:55:47.278 INFO [stderr]    |
Nov 17 12:55:47.278 INFO [stderr] 62 | fn main() {
Nov 17 12:55:47.278 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.278 INFO [stderr] 
Nov 17 12:55:47.278 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.278 INFO [stderr]   --> src/day5/part2.rs:57:1
Nov 17 12:55:47.278 INFO [stderr]    |
Nov 17 12:55:47.278 INFO [stderr] 57 | fn main() {
Nov 17 12:55:47.278 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.278 INFO [stderr] 
Nov 17 12:55:47.279 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.279 INFO [stderr]   --> src/day6/part1.rs:81:1
Nov 17 12:55:47.279 INFO [stderr]    |
Nov 17 12:55:47.279 INFO [stderr] 81 | fn main() {
Nov 17 12:55:47.279 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.279 INFO [stderr] 
Nov 17 12:55:47.279 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.279 INFO [stderr]   --> src/day6/part2.rs:73:1
Nov 17 12:55:47.279 INFO [stderr]    |
Nov 17 12:55:47.279 INFO [stderr] 73 | fn main() {
Nov 17 12:55:47.279 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.279 INFO [stderr] 
Nov 17 12:55:47.279 INFO [stderr] warning: function is never used: `parse_line`
Nov 17 12:55:47.279 INFO [stderr]  --> src/day7/part1.rs:6:1
Nov 17 12:55:47.279 INFO [stderr]   |
Nov 17 12:55:47.279 INFO [stderr] 6 | fn parse_line(line: &str) -> (String, Vec<String>) {
Nov 17 12:55:47.279 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.279 INFO [stderr] 
Nov 17 12:55:47.279 INFO [stderr] warning: function is never used: `parse_file`
Nov 17 12:55:47.279 INFO [stderr]   --> src/day7/part1.rs:17:1
Nov 17 12:55:47.279 INFO [stderr]    |
Nov 17 12:55:47.279 INFO [stderr] 17 | fn parse_file(filename: &str) -> HashMap<String, Vec<String>> {
Nov 17 12:55:47.279 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.279 INFO [stderr] 
Nov 17 12:55:47.280 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.280 INFO [stderr]   --> src/day7/part1.rs:28:1
Nov 17 12:55:47.280 INFO [stderr]    |
Nov 17 12:55:47.280 INFO [stderr] 28 | fn main() {
Nov 17 12:55:47.280 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.280 INFO [stderr] 
Nov 17 12:55:47.280 INFO [stderr] warning: struct is never constructed: `Info`
Nov 17 12:55:47.280 INFO [stderr]  --> src/day7/part2.rs:6:1
Nov 17 12:55:47.280 INFO [stderr]   |
Nov 17 12:55:47.280 INFO [stderr] 6 | struct Info {
Nov 17 12:55:47.280 INFO [stderr]   | ^^^^^^^^^^^
Nov 17 12:55:47.280 INFO [stderr] 
Nov 17 12:55:47.280 INFO [stderr] warning: struct is never constructed: `ProgramGraph`
Nov 17 12:55:47.280 INFO [stderr]   --> src/day7/part2.rs:11:1
Nov 17 12:55:47.280 INFO [stderr]    |
Nov 17 12:55:47.280 INFO [stderr] 11 | struct ProgramGraph {
Nov 17 12:55:47.280 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.280 INFO [stderr] 
Nov 17 12:55:47.280 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:47.280 INFO [stderr]   --> src/day7/part2.rs:18:5
Nov 17 12:55:47.280 INFO [stderr]    |
Nov 17 12:55:47.280 INFO [stderr] 18 |     fn new(filename: &str) -> ProgramGraph {
Nov 17 12:55:47.280 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.281 INFO [stderr] 
Nov 17 12:55:47.281 INFO [stderr] warning: method is never used: `root`
Nov 17 12:55:47.281 INFO [stderr]   --> src/day7/part2.rs:29:5
Nov 17 12:55:47.281 INFO [stderr]    |
Nov 17 12:55:47.281 INFO [stderr] 29 |     fn root(&self) -> &str {
Nov 17 12:55:47.281 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.281 INFO [stderr] 
Nov 17 12:55:47.281 INFO [stderr] warning: method is never used: `total_weight`
Nov 17 12:55:47.281 INFO [stderr]   --> src/day7/part2.rs:38:5
Nov 17 12:55:47.281 INFO [stderr]    |
Nov 17 12:55:47.281 INFO [stderr] 38 |     fn total_weight(&self, name: &str) -> u32 {
Nov 17 12:55:47.281 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.281 INFO [stderr] 
Nov 17 12:55:47.281 INFO [stderr] warning: method is never used: `is_unbalanced`
Nov 17 12:55:47.281 INFO [stderr]   --> src/day7/part2.rs:47:5
Nov 17 12:55:47.281 INFO [stderr]    |
Nov 17 12:55:47.281 INFO [stderr] 47 |     fn is_unbalanced(&self, name: &str) -> bool {
Nov 17 12:55:47.281 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.281 INFO [stderr] 
Nov 17 12:55:47.281 INFO [stderr] warning: method is never used: `find_unbalanced`
Nov 17 12:55:47.281 INFO [stderr]   --> src/day7/part2.rs:59:5
Nov 17 12:55:47.281 INFO [stderr]    |
Nov 17 12:55:47.281 INFO [stderr] 59 |     fn find_unbalanced(&self) -> Vec<&String> {
Nov 17 12:55:47.281 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.281 INFO [stderr] 
Nov 17 12:55:47.282 INFO [stderr] warning: method is never used: `balanced_held_total_weight`
Nov 17 12:55:47.282 INFO [stderr]   --> src/day7/part2.rs:66:5
Nov 17 12:55:47.282 INFO [stderr]    |
Nov 17 12:55:47.282 INFO [stderr] 66 |     fn balanced_held_total_weight(&self, name: &str) -> u32 {
Nov 17 12:55:47.282 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.282 INFO [stderr] 
Nov 17 12:55:47.282 INFO [stderr] warning: method is never used: `rebalance_weight`
Nov 17 12:55:47.282 INFO [stderr]   --> src/day7/part2.rs:86:5
Nov 17 12:55:47.282 INFO [stderr]    |
Nov 17 12:55:47.282 INFO [stderr] 86 |     fn rebalance_weight(&self, name: &str) -> (&String, u32) {
Nov 17 12:55:47.282 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.282 INFO [stderr] 
Nov 17 12:55:47.282 INFO [stderr] warning: function is never used: `parse_line`
Nov 17 12:55:47.282 INFO [stderr]    --> src/day7/part2.rs:104:1
Nov 17 12:55:47.282 INFO [stderr]     |
Nov 17 12:55:47.282 INFO [stderr] 104 | fn parse_line(line: &str) -> (String, Info) {
Nov 17 12:55:47.282 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.282 INFO [stderr] 
Nov 17 12:55:47.282 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.282 INFO [stderr]    --> src/day7/part2.rs:121:1
Nov 17 12:55:47.282 INFO [stderr]     |
Nov 17 12:55:47.282 INFO [stderr] 121 | fn main() {
Nov 17 12:55:47.282 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:47.282 INFO [stderr] 
Nov 17 12:55:47.282 INFO [stderr] warning: struct is never constructed: `Cpu`
Nov 17 12:55:47.283 INFO [stderr]  --> src/day8/part1.rs:8:1
Nov 17 12:55:47.283 INFO [stderr]   |
Nov 17 12:55:47.283 INFO [stderr] 8 | struct Cpu {
Nov 17 12:55:47.283 INFO [stderr]   | ^^^^^^^^^^
Nov 17 12:55:47.283 INFO [stderr] 
Nov 17 12:55:47.283 INFO [stderr] warning: struct is never constructed: `Register`
Nov 17 12:55:47.283 INFO [stderr]   --> src/day8/part1.rs:14:1
Nov 17 12:55:47.283 INFO [stderr]    |
Nov 17 12:55:47.283 INFO [stderr] 14 | struct Register {
Nov 17 12:55:47.283 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 17 12:55:47.283 INFO [stderr] 
Nov 17 12:55:47.283 INFO [stderr] warning: enum is never used: `Modification`
Nov 17 12:55:47.283 INFO [stderr]   --> src/day8/part1.rs:19:1
Nov 17 12:55:47.283 INFO [stderr]    |
Nov 17 12:55:47.283 INFO [stderr] 19 | enum Modification {
Nov 17 12:55:47.283 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.283 INFO [stderr] 
Nov 17 12:55:47.283 INFO [stderr] warning: enum is never used: `Condition`
Nov 17 12:55:47.283 INFO [stderr]   --> src/day8/part1.rs:25:1
Nov 17 12:55:47.284 INFO [stderr]    |
Nov 17 12:55:47.284 INFO [stderr] 25 | enum Condition {
Nov 17 12:55:47.284 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 17 12:55:47.284 INFO [stderr] 
Nov 17 12:55:47.284 INFO [stderr] warning: struct is never constructed: `Instruction`
Nov 17 12:55:47.284 INFO [stderr]   --> src/day8/part1.rs:35:1
Nov 17 12:55:47.284 INFO [stderr]    |
Nov 17 12:55:47.284 INFO [stderr] 35 | struct Instruction {
Nov 17 12:55:47.284 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.284 INFO [stderr] 
Nov 17 12:55:47.284 INFO [stderr] warning: method is never used: `is_condition`
Nov 17 12:55:47.284 INFO [stderr]   --> src/day8/part1.rs:45:5
Nov 17 12:55:47.284 INFO [stderr]    |
Nov 17 12:55:47.284 INFO [stderr] 45 |     pub fn is_condition(&self, condition: &Condition) -> bool {
Nov 17 12:55:47.287 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.287 INFO [stderr] 
Nov 17 12:55:47.287 INFO [stderr] warning: method is never used: `modify`
Nov 17 12:55:47.287 INFO [stderr]   --> src/day8/part1.rs:57:5
Nov 17 12:55:47.287 INFO [stderr]    |
Nov 17 12:55:47.287 INFO [stderr] 57 |     pub fn modify(&mut self, modification: &Modification) {
Nov 17 12:55:47.287 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.287 INFO [stderr] 
Nov 17 12:55:47.287 INFO [stderr] warning: type alias is never used: `RegisterIter`
Nov 17 12:55:47.287 INFO [stderr]   --> src/day8/part1.rs:65:1
Nov 17 12:55:47.287 INFO [stderr]    |
Nov 17 12:55:47.287 INFO [stderr] 65 | type RegisterIter<'a> = Values<'a, String, Register>;
Nov 17 12:55:47.287 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.287 INFO [stderr] 
Nov 17 12:55:47.287 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:47.287 INFO [stderr]   --> src/day8/part1.rs:70:5
Nov 17 12:55:47.287 INFO [stderr]    |
Nov 17 12:55:47.287 INFO [stderr] 70 |     pub fn new(registers: HashMap<String, Register>) -> Self {
Nov 17 12:55:47.287 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.287 INFO [stderr] 
Nov 17 12:55:47.287 INFO [stderr] warning: method is never used: `execute`
Nov 17 12:55:47.287 INFO [stderr]   --> src/day8/part1.rs:75:5
Nov 17 12:55:47.287 INFO [stderr]    |
Nov 17 12:55:47.287 INFO [stderr] 75 |     pub fn execute(&mut self, instructions: &[Instruction]) {
Nov 17 12:55:47.287 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.287 INFO [stderr] 
Nov 17 12:55:47.287 INFO [stderr] warning: method is never used: `registers`
Nov 17 12:55:47.287 INFO [stderr]   --> src/day8/part1.rs:90:5
Nov 17 12:55:47.287 INFO [stderr]    |
Nov 17 12:55:47.287 INFO [stderr] 90 |     pub fn registers(&self) -> RegisterIter {
Nov 17 12:55:47.287 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.287 INFO [stderr] 
Nov 17 12:55:47.287 INFO [stderr] warning: function is never used: `parse_file`
Nov 17 12:55:47.288 INFO [stderr]    --> src/day8/part1.rs:95:1
Nov 17 12:55:47.288 INFO [stderr]     |
Nov 17 12:55:47.288 INFO [stderr] 95  | / fn parse_file(filename: &str,
Nov 17 12:55:47.288 INFO [stderr] 96  | |               registers: &mut HashMap<String, Register>,
Nov 17 12:55:47.288 INFO [stderr] 97  | |               instructions: &mut Vec<Instruction>) {
Nov 17 12:55:47.288 INFO [stderr] 98  | |     let file = File::open(filename).expect("file not found");
Nov 17 12:55:47.288 INFO [stderr] ...   |
Nov 17 12:55:47.288 INFO [stderr] 102 | |     }
Nov 17 12:55:47.288 INFO [stderr] 103 | | }
Nov 17 12:55:47.288 INFO [stderr]     | |_^
Nov 17 12:55:47.288 INFO [stderr] 
Nov 17 12:55:47.288 INFO [stderr] warning: function is never used: `parse_line`
Nov 17 12:55:47.289 INFO [stderr]    --> src/day8/part1.rs:105:1
Nov 17 12:55:47.289 INFO [stderr]     |
Nov 17 12:55:47.289 INFO [stderr] 105 | / fn parse_line(line: &str, 
Nov 17 12:55:47.289 INFO [stderr] 106 | |               registers: &mut HashMap<String, Register>,
Nov 17 12:55:47.289 INFO [stderr] 107 | |               instructions: &mut Vec<Instruction>) {
Nov 17 12:55:47.289 INFO [stderr] 108 | |     // all tokens are whitespace delimited:
Nov 17 12:55:47.289 INFO [stderr] ...   |
Nov 17 12:55:47.289 INFO [stderr] 143 | |     });
Nov 17 12:55:47.289 INFO [stderr] 144 | | }
Nov 17 12:55:47.289 INFO [stderr]     | |_^
Nov 17 12:55:47.289 INFO [stderr] 
Nov 17 12:55:47.289 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.289 INFO [stderr]    --> src/day8/part1.rs:146:1
Nov 17 12:55:47.289 INFO [stderr]     |
Nov 17 12:55:47.289 INFO [stderr] 146 | fn main() {
Nov 17 12:55:47.289 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:47.289 INFO [stderr] 
Nov 17 12:55:47.290 INFO [stderr] warning: struct is never constructed: `Cpu`
Nov 17 12:55:47.290 INFO [stderr]  --> src/day8/part2.rs:8:1
Nov 17 12:55:47.290 INFO [stderr]   |
Nov 17 12:55:47.290 INFO [stderr] 8 | struct Cpu {
Nov 17 12:55:47.290 INFO [stderr]   | ^^^^^^^^^^
Nov 17 12:55:47.290 INFO [stderr] 
Nov 17 12:55:47.290 INFO [stderr] warning: struct is never constructed: `Register`
Nov 17 12:55:47.290 INFO [stderr]   --> src/day8/part2.rs:17:1
Nov 17 12:55:47.290 INFO [stderr]    |
Nov 17 12:55:47.290 INFO [stderr] 17 | struct Register {
Nov 17 12:55:47.290 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 17 12:55:47.290 INFO [stderr] 
Nov 17 12:55:47.290 INFO [stderr] warning: enum is never used: `Modification`
Nov 17 12:55:47.290 INFO [stderr]   --> src/day8/part2.rs:22:1
Nov 17 12:55:47.290 INFO [stderr]    |
Nov 17 12:55:47.291 INFO [stderr] 22 | enum Modification {
Nov 17 12:55:47.291 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.291 INFO [stderr] 
Nov 17 12:55:47.291 INFO [stderr] warning: enum is never used: `Condition`
Nov 17 12:55:47.291 INFO [stderr]   --> src/day8/part2.rs:28:1
Nov 17 12:55:47.291 INFO [stderr]    |
Nov 17 12:55:47.291 INFO [stderr] 28 | enum Condition {
Nov 17 12:55:47.291 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 17 12:55:47.291 INFO [stderr] 
Nov 17 12:55:47.291 INFO [stderr] warning: struct is never constructed: `Instruction`
Nov 17 12:55:47.291 INFO [stderr]   --> src/day8/part2.rs:38:1
Nov 17 12:55:47.291 INFO [stderr]    |
Nov 17 12:55:47.291 INFO [stderr] 38 | struct Instruction {
Nov 17 12:55:47.291 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.291 INFO [stderr] 
Nov 17 12:55:47.292 INFO [stderr] warning: method is never used: `is_condition`
Nov 17 12:55:47.292 INFO [stderr]   --> src/day8/part2.rs:48:5
Nov 17 12:55:47.292 INFO [stderr]    |
Nov 17 12:55:47.292 INFO [stderr] 48 |     pub fn is_condition(&self, condition: &Condition) -> bool {
Nov 17 12:55:47.292 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.292 INFO [stderr] 
Nov 17 12:55:47.292 INFO [stderr] warning: method is never used: `modify`
Nov 17 12:55:47.292 INFO [stderr]   --> src/day8/part2.rs:60:5
Nov 17 12:55:47.292 INFO [stderr]    |
Nov 17 12:55:47.292 INFO [stderr] 60 |     pub fn modify(&mut self, modification: &Modification) {
Nov 17 12:55:47.292 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.292 INFO [stderr] 
Nov 17 12:55:47.292 INFO [stderr] warning: type alias is never used: `RegisterIter`
Nov 17 12:55:47.292 INFO [stderr]   --> src/day8/part2.rs:68:1
Nov 17 12:55:47.292 INFO [stderr]    |
Nov 17 12:55:47.293 INFO [stderr] 68 | type RegisterIter<'a> = Values<'a, String, Register>;
Nov 17 12:55:47.293 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.293 INFO [stderr] 
Nov 17 12:55:47.293 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:47.293 INFO [stderr]   --> src/day8/part2.rs:73:5
Nov 17 12:55:47.293 INFO [stderr]    |
Nov 17 12:55:47.293 INFO [stderr] 73 |     pub fn new(registers: HashMap<String, Register>) -> Self {
Nov 17 12:55:47.293 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.293 INFO [stderr] 
Nov 17 12:55:47.294 INFO [stderr] warning: method is never used: `execute`
Nov 17 12:55:47.294 INFO [stderr]   --> src/day8/part2.rs:79:5
Nov 17 12:55:47.294 INFO [stderr]    |
Nov 17 12:55:47.294 INFO [stderr] 79 |     pub fn execute(&mut self, instructions: &[Instruction]) {
Nov 17 12:55:47.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.294 INFO [stderr] 
Nov 17 12:55:47.294 INFO [stderr] warning: method is never used: `registers`
Nov 17 12:55:47.294 INFO [stderr]   --> src/day8/part2.rs:98:5
Nov 17 12:55:47.294 INFO [stderr]    |
Nov 17 12:55:47.295 INFO [stderr] 98 |     pub fn registers(&self) -> RegisterIter {
Nov 17 12:55:47.295 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.295 INFO [stderr] 
Nov 17 12:55:47.295 INFO [stderr] warning: method is never used: `largest_seen_register_value`
Nov 17 12:55:47.295 INFO [stderr]    --> src/day8/part2.rs:103:5
Nov 17 12:55:47.295 INFO [stderr]     |
Nov 17 12:55:47.295 INFO [stderr] 103 |     pub fn largest_seen_register_value(&self) -> i32 {
Nov 17 12:55:47.295 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.295 INFO [stderr] 
Nov 17 12:55:47.295 INFO [stderr] warning: function is never used: `parse_file`
Nov 17 12:55:47.295 INFO [stderr]    --> src/day8/part2.rs:108:1
Nov 17 12:55:47.295 INFO [stderr]     |
Nov 17 12:55:47.295 INFO [stderr] 108 | / fn parse_file(filename: &str,
Nov 17 12:55:47.295 INFO [stderr] 109 | |               registers: &mut HashMap<String, Register>,
Nov 17 12:55:47.295 INFO [stderr] 110 | |               instructions: &mut Vec<Instruction>) {
Nov 17 12:55:47.295 INFO [stderr] 111 | |     let file = File::open(filename).expect("file not found");
Nov 17 12:55:47.295 INFO [stderr] ...   |
Nov 17 12:55:47.295 INFO [stderr] 115 | |     }
Nov 17 12:55:47.296 INFO [stderr] 116 | | }
Nov 17 12:55:47.296 INFO [stderr]     | |_^
Nov 17 12:55:47.296 INFO [stderr] 
Nov 17 12:55:47.296 INFO [stderr] warning: function is never used: `parse_line`
Nov 17 12:55:47.296 INFO [stderr]    --> src/day8/part2.rs:118:1
Nov 17 12:55:47.296 INFO [stderr]     |
Nov 17 12:55:47.296 INFO [stderr] 118 | / fn parse_line(line: &str, 
Nov 17 12:55:47.296 INFO [stderr] 119 | |               registers: &mut HashMap<String, Register>,
Nov 17 12:55:47.296 INFO [stderr] 120 | |               instructions: &mut Vec<Instruction>) {
Nov 17 12:55:47.296 INFO [stderr] 121 | |     // all tokens are whitespace delimited:
Nov 17 12:55:47.296 INFO [stderr] ...   |
Nov 17 12:55:47.296 INFO [stderr] 156 | |     });
Nov 17 12:55:47.296 INFO [stderr] 157 | | }
Nov 17 12:55:47.296 INFO [stderr]     | |_^
Nov 17 12:55:47.296 INFO [stderr] 
Nov 17 12:55:47.296 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.296 INFO [stderr]    --> src/day8/part2.rs:159:1
Nov 17 12:55:47.296 INFO [stderr]     |
Nov 17 12:55:47.296 INFO [stderr] 159 | fn main() {
Nov 17 12:55:47.296 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:47.296 INFO [stderr] 
Nov 17 12:55:47.297 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.297 INFO [stderr]    --> src/day9/part1.rs:130:1
Nov 17 12:55:47.297 INFO [stderr]     |
Nov 17 12:55:47.297 INFO [stderr] 130 | fn main() {
Nov 17 12:55:47.297 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:47.297 INFO [stderr] 
Nov 17 12:55:47.297 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.297 INFO [stderr]    --> src/day9/part2.rs:132:1
Nov 17 12:55:47.297 INFO [stderr]     |
Nov 17 12:55:47.297 INFO [stderr] 132 | fn main() {
Nov 17 12:55:47.297 INFO [stderr]     | ^^^^^^^^^
Nov 17 12:55:47.297 INFO [stderr] 
Nov 17 12:55:47.297 INFO [stderr] warning: struct is never constructed: `KnotHash`
Nov 17 12:55:47.297 INFO [stderr]  --> src/day10/part1.rs:2:1
Nov 17 12:55:47.297 INFO [stderr]   |
Nov 17 12:55:47.297 INFO [stderr] 2 | struct KnotHash {
Nov 17 12:55:47.298 INFO [stderr]   | ^^^^^^^^^^^^^^^
Nov 17 12:55:47.298 INFO [stderr] 
Nov 17 12:55:47.298 INFO [stderr] warning: method is never used: `new`
Nov 17 12:55:47.298 INFO [stderr]  --> src/day10/part1.rs:9:5
Nov 17 12:55:47.298 INFO [stderr]   |
Nov 17 12:55:47.298 INFO [stderr] 9 |     pub fn new() -> Self {
Nov 17 12:55:47.298 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.298 INFO [stderr] 
Nov 17 12:55:47.298 INFO [stderr] warning: method is never used: `tie`
Nov 17 12:55:47.298 INFO [stderr]   --> src/day10/part1.rs:17:5
Nov 17 12:55:47.298 INFO [stderr]    |
Nov 17 12:55:47.298 INFO [stderr] 17 |     fn tie(&mut self, length: usize) {
Nov 17 12:55:47.298 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.298 INFO [stderr] 
Nov 17 12:55:47.298 INFO [stderr] warning: method is never used: `hash`
Nov 17 12:55:47.298 INFO [stderr]   --> src/day10/part1.rs:41:5
Nov 17 12:55:47.298 INFO [stderr]    |
Nov 17 12:55:47.298 INFO [stderr] 41 |     fn hash(&self) -> u32 {
Nov 17 12:55:47.298 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.298 INFO [stderr] 
Nov 17 12:55:47.298 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.298 INFO [stderr]   --> src/day10/part1.rs:46:1
Nov 17 12:55:47.298 INFO [stderr]    |
Nov 17 12:55:47.298 INFO [stderr] 46 | fn main() {
Nov 17 12:55:47.298 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.298 INFO [stderr] 
Nov 17 12:55:47.299 INFO [stderr] warning: function is never used: `main`
Nov 17 12:55:47.299 INFO [stderr]   --> src/day10/part2.rs:89:1
Nov 17 12:55:47.299 INFO [stderr]    |
Nov 17 12:55:47.299 INFO [stderr] 89 | fn main() {
Nov 17 12:55:47.299 INFO [stderr]    | ^^^^^^^^^
Nov 17 12:55:47.299 INFO [stderr] 
Nov 17 12:55:47.309 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:55:47.309 INFO [stderr]   --> src/day9/part1.rs:67:9
Nov 17 12:55:47.309 INFO [stderr]    |
Nov 17 12:55:47.309 INFO [stderr] 67 |         tx.send(c);
Nov 17 12:55:47.309 INFO [stderr]    |         ^^^^^^^^^^^
Nov 17 12:55:47.309 INFO [stderr]    |
Nov 17 12:55:47.309 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 12:55:47.309 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:55:47.309 INFO [stderr] 
Nov 17 12:55:47.309 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:55:47.309 INFO [stderr]   --> src/day9/part1.rs:72:5
Nov 17 12:55:47.309 INFO [stderr]    |
Nov 17 12:55:47.309 INFO [stderr] 72 |     processor.join();
Nov 17 12:55:47.309 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.309 INFO [stderr]    |
Nov 17 12:55:47.309 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:55:47.310 INFO [stderr] 
Nov 17 12:55:47.311 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:55:47.311 INFO [stderr]   --> src/day9/part2.rs:69:9
Nov 17 12:55:47.311 INFO [stderr]    |
Nov 17 12:55:47.311 INFO [stderr] 69 |         tx.send(c);
Nov 17 12:55:47.311 INFO [stderr]    |         ^^^^^^^^^^^
Nov 17 12:55:47.311 INFO [stderr]    |
Nov 17 12:55:47.311 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:55:47.311 INFO [stderr] 
Nov 17 12:55:47.312 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:55:47.312 INFO [stderr]   --> src/day9/part2.rs:74:5
Nov 17 12:55:47.312 INFO [stderr]    |
Nov 17 12:55:47.312 INFO [stderr] 74 |     processor.join();
Nov 17 12:55:47.312 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 17 12:55:47.312 INFO [stderr]    |
Nov 17 12:55:47.312 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:55:47.312 INFO [stderr] 
Nov 17 12:55:50.791 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
Nov 17 12:55:50.797 INFO [stderr] su: No module specific data is present
Nov 17 12:55:51.516 INFO running `"docker" "inspect" "5dd7e30eb007c48d84246097b0f06455c763080985e1c7c0aa0eb5a7937d5388"`
Nov 17 12:55:51.763 INFO running `"docker" "rm" "-f" "5dd7e30eb007c48d84246097b0f06455c763080985e1c7c0aa0eb5a7937d5388"`
Nov 17 12:55:52.071 INFO [stdout] 5dd7e30eb007c48d84246097b0f06455c763080985e1c7c0aa0eb5a7937d5388
Nov 17 12:55:52.073 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:55:52.413 INFO [stdout] a9e24931a70d4e986cad6810d01da6747e1e89bd975cf32f11ef8e9d777dc40b
Nov 17 12:55:52.413 INFO running `"docker" "start" "-a" "a9e24931a70d4e986cad6810d01da6747e1e89bd975cf32f11ef8e9d777dc40b"`
Nov 17 12:55:53.562 INFO [stderr] usermod: no changes
Nov 17 12:55:53.643 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Nov 17 12:55:53.643 INFO [stderr]      Running /target/debug/deps/advent_code-dae756131a169d4d
Nov 17 12:55:53.651 INFO [stdout] 
Nov 17 12:55:53.651 INFO [stdout] running 15 tests
Nov 17 12:55:53.651 INFO [stdout] test day3::part1::test::examples ... ok
Nov 17 12:55:53.651 INFO [stdout] test day2::part2::test::examples ... ok
Nov 17 12:55:53.651 INFO [stdout] test day2::part1::test::examples ... ok
Nov 17 12:55:53.651 INFO [stdout] test day5::part2::test::example ... ok
Nov 17 12:55:53.651 INFO [stdout] test day5::part1::test::example ... ok
Nov 17 12:55:53.651 INFO [stdout] test day4::part1::test::examples ... ok
Nov 17 12:55:53.651 INFO [stdout] test day4::part2::test::examples ... ok
Nov 17 12:55:53.651 INFO [stdout] test day3::part2::test::examples ... ok
Nov 17 12:55:53.651 INFO [stdout] test day6::part1::test::example ... ok
Nov 17 12:55:53.651 INFO [stdout] test day6::part2::test::example ... ok
Nov 17 12:55:53.651 INFO [stdout] test day1::part1::test::examples ... ok
Nov 17 12:55:53.651 INFO [stdout] test day1::part2::test::examples ... ok
Nov 17 12:55:53.756 INFO [stdout] test day9::part2::examples ... ok
Nov 17 12:55:53.787 INFO [stdout] test day9::part1::examples ... ok
Nov 17 12:55:53.838 INFO [stdout] test day10::part2::examples ... ok
Nov 17 12:55:53.838 INFO [stdout] 
Nov 17 12:55:53.838 INFO [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 12:55:53.839 INFO [stdout] 
Nov 17 12:55:53.840 INFO [stderr] su: No module specific data is present
Nov 17 12:55:54.409 INFO running `"docker" "inspect" "a9e24931a70d4e986cad6810d01da6747e1e89bd975cf32f11ef8e9d777dc40b"`
Nov 17 12:55:54.681 INFO running `"docker" "rm" "-f" "a9e24931a70d4e986cad6810d01da6747e1e89bd975cf32f11ef8e9d777dc40b"`
Nov 17 12:55:54.895 INFO [stdout] a9e24931a70d4e986cad6810d01da6747e1e89bd975cf32f11ef8e9d777dc40b