[INFO] cloning repository https://github.com/franc90/rust_advent_of_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/franc90/rust_advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffranc90%2Frust_advent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffranc90%2Frust_advent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] beab757d2e3eac387daec2e14813d8883466df00
[INFO] checking franc90/rust_advent_of_code against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffranc90%2Frust_advent_of_code" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/franc90/rust_advent_of_code on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/franc90/rust_advent_of_code
[INFO] finished tweaking git repo https://github.com/franc90/rust_advent_of_code
[INFO] tweaked toml for git repo https://github.com/franc90/rust_advent_of_code written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/franc90/rust_advent_of_code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded md5 v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80c66273de3ee4eb483fa5233b3c7d48ec3463ceab94c5f709680beb970bea0e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "80c66273de3ee4eb483fa5233b3c7d48ec3463ceab94c5f709680beb970bea0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80c66273de3ee4eb483fa5233b3c7d48ec3463ceab94c5f709680beb970bea0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c66273de3ee4eb483fa5233b3c7d48ec3463ceab94c5f709680beb970bea0e", kill_on_drop: false }`
[INFO] [stdout] 80c66273de3ee4eb483fa5233b3c7d48ec3463ceab94c5f709680beb970bea0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6059c6ceb16bf0a3d9f1f8bd9fa306021cdd1520a5cc779d75d614ab00e21001
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6059c6ceb16bf0a3d9f1f8bd9fa306021cdd1520a5cc779d75d614ab00e21001", kill_on_drop: false }`
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking rust_advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `ex5`
[INFO] [stdout]  --> src/exercise5.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn ex5() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_nice`
[INFO] [stdout]   --> src/exercise5.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn is_nice(line: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_vowels`
[INFO] [stdout]   --> src/exercise5.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn update_vowels(current_count: &mut i32, c: char) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_doubles`
[INFO] [stdout]   --> src/exercise5.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn update_doubles(current_count: &mut i32, curr: char, last: char) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_forbiddens`
[INFO] [stdout]   --> src/exercise5.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn update_forbiddens(current_val: &mut bool, curr: char, last: char) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_complex_nice`
[INFO] [stdout]   --> src/exercise5.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn is_complex_nice(line: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_pair_appearing_twice`
[INFO] [stdout]   --> src/exercise5.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn has_pair_appearing_twice(line: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_letter_appearing_twice`
[INFO] [stdout]   --> src/exercise5.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn has_letter_appearing_twice(line: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_expected_dupplicate`
[INFO] [stdout]   --> src/exercise5.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn is_expected_dupplicate(slice: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/exercise6.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(x: usize, y: usize) -> Point {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Grid`
[INFO] [stdout]   --> src/exercise6.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Grid {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/exercise6.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new() -> Grid {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_on`
[INFO] [stdout]   --> src/exercise6.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn turn_on(&mut self, start: &Point, end: &Point) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_off`
[INFO] [stdout]   --> src/exercise6.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn turn_off(&mut self, start: &Point, end: &Point) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toggle`
[INFO] [stdout]   --> src/exercise6.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn toggle(&mut self, start: &Point, end: &Point) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count_lights`
[INFO] [stdout]   --> src/exercise6.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn count_lights(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `total_brightness`
[INFO] [stdout]   --> src/exercise6.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn total_brightness(&self) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TurnOn`
[INFO] [stdout]   --> src/exercise6.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     TurnOn,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TurnOff`
[INFO] [stdout]   --> src/exercise6.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     TurnOff,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Toggle`
[INFO] [stdout]   --> src/exercise6.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     Toggle,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unknown`
[INFO] [stdout]   --> src/exercise6.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     Unknown,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex6`
[INFO] [stdout]   --> src/exercise6.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn ex6() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_action`
[INFO] [stdout]    --> src/exercise6.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn parse_action(token: &str) -> Action {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_point`
[INFO] [stdout]    --> src/exercise6.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn parse_point(token: &str) -> Point {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_coord`
[INFO] [stdout]    --> src/exercise6.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn parse_coord(txt: Option<&str>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Constant`
[INFO] [stdout]  --> src/exercise7.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Constant(u16),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Value`
[INFO] [stdout]  --> src/exercise7.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Value(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Add`
[INFO] [stdout]   --> src/exercise7.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Add(Statement, Statement),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Or`
[INFO] [stdout]   --> src/exercise7.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Or(Statement, Statement),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LShift`
[INFO] [stdout]   --> src/exercise7.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     LShift(Statement, Statement),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RShift`
[INFO] [stdout]   --> src/exercise7.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     RShift(Statement, Statement),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Not`
[INFO] [stdout]   --> src/exercise7.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Not(Statement),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Assign`
[INFO] [stdout]   --> src/exercise7.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Assign(Statement),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex7`
[INFO] [stdout]   --> src/exercise7.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn ex7() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compute_signals`
[INFO] [stdout]   --> src/exercise7.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn compute_signals(code: &str) -> HashMap<String, u16> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_operations`
[INFO] [stdout]   --> src/exercise7.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn read_operations(code: &str) -> HashMap<String, Operation> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `resolve_signals`
[INFO] [stdout]   --> src/exercise7.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn resolve_signals(operations: &mut HashMap<String, Operation>) -> HashMap<String, u16> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insert_if_resolved_two`
[INFO] [stdout]   --> src/exercise7.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn insert_if_resolved_two<F>(resolved: &mut HashMap<String, u16>, wire_name: &str, x: &Statement, y: &Statement, f: F)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insert_if_resolved_one`
[INFO] [stdout]    --> src/exercise7.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn insert_if_resolved_one<F>(resolved: &mut HashMap<String, u16>, wire_name: &str, x: &Statement, y: u16, f: F)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insert`
[INFO] [stdout]    --> src/exercise7.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn insert(resolved: &mut HashMap<String, u16>, wire_name: &str, val: u16) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_and`
[INFO] [stdout]    --> src/exercise7.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn parse_and(instr: &str) -> Operation {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_or`
[INFO] [stdout]    --> src/exercise7.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn parse_or(instr: &str) -> Operation {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_lshift`
[INFO] [stdout]    --> src/exercise7.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn parse_lshift(instr: &str) -> Operation {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_rshift`
[INFO] [stdout]    --> src/exercise7.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn parse_rshift(instr: &str) -> Operation {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_not`
[INFO] [stdout]    --> src/exercise7.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn parse_not(instr: &str) -> Operation {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_with_two_args`
[INFO] [stdout]    --> src/exercise7.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn parse_with_two_args(instr: &str, separator: &str) -> (Statement, Statement) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_statement`
[INFO] [stdout]    --> src/exercise7.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn parse_statement(instr: &str) -> Statement {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_const`
[INFO] [stdout]    --> src/exercise7.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn parse_const(instr: &str) -> u16 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compute_lengths`
[INFO] [stdout]  --> src/exercise8/decode.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn compute_lengths(lines: &str) -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sanitize`
[INFO] [stdout]   --> src/exercise8/decode.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn sanitize(line: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `drop_first`
[INFO] [stdout]   --> src/exercise8/decode.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn drop_first(line: &str) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `drop_last`
[INFO] [stdout]   --> src/exercise8/decode.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn drop_last(line: &str) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `drop_backslashes`
[INFO] [stdout]   --> src/exercise8/decode.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn drop_backslashes(line: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `drop_quotes`
[INFO] [stdout]   --> src/exercise8/decode.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn drop_quotes(line: String) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `drop_hexes`
[INFO] [stdout]   --> src/exercise8/decode.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn drop_hexes(line: String) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_hex`
[INFO] [stdout]   --> src/exercise8/decode.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn is_hex(char: Option<char>) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compute_lengths`
[INFO] [stdout]  --> src/exercise8/encode.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn compute_lengths(lines: &str) -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode`
[INFO] [stdout]   --> src/exercise8/encode.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn encode(line: &str) -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_first`
[INFO] [stdout]   --> src/exercise8/encode.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn encode_first(line: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_last`
[INFO] [stdout]   --> src/exercise8/encode.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn encode_last(mut line: String) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_backslashes`
[INFO] [stdout]   --> src/exercise8/encode.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn encode_backslashes(line: String) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_quotes`
[INFO] [stdout]   --> src/exercise8/encode.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn encode_quotes(line: String) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_hexes`
[INFO] [stdout]   --> src/exercise8/encode.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn encode_hexes(line: String) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_hex`
[INFO] [stdout]   --> src/exercise8/encode.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn is_hex(char: Option<char>) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/exercise8/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_diff`
[INFO] [stdout]   --> src/exercise8/mod.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn print_diff((code_len, mem_len): (usize, usize)) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex4`
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn ex4() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex3`
[INFO] [stdout]   --> src/main.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn ex3() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex2`
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn ex2() -> io::Result<()> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex1`
[INFO] [stdout]    --> src/main.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn ex1() {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 70 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex5`
[INFO] [stdout]  --> src/exercise5.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn ex5() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_off`
[INFO] [stdout]   --> src/exercise6.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn turn_off(&mut self, start: &Point, end: &Point) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toggle`
[INFO] [stdout]   --> src/exercise6.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn toggle(&mut self, start: &Point, end: &Point) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `total_brightness`
[INFO] [stdout]   --> src/exercise6.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn total_brightness(&self) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TurnOn`
[INFO] [stdout]   --> src/exercise6.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     TurnOn,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TurnOff`
[INFO] [stdout]   --> src/exercise6.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     TurnOff,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Toggle`
[INFO] [stdout]   --> src/exercise6.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     Toggle,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unknown`
[INFO] [stdout]   --> src/exercise6.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     Unknown,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex6`
[INFO] [stdout]   --> src/exercise6.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn ex6() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_action`
[INFO] [stdout]    --> src/exercise6.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn parse_action(token: &str) -> Action {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_point`
[INFO] [stdout]    --> src/exercise6.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn parse_point(token: &str) -> Point {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_coord`
[INFO] [stdout]    --> src/exercise6.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn parse_coord(txt: Option<&str>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex7`
[INFO] [stdout]   --> src/exercise7.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn ex7() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insert`
[INFO] [stdout]    --> src/exercise7.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn insert(resolved: &mut HashMap<String, u16>, wire_name: &str, val: u16) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/exercise8/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_diff`
[INFO] [stdout]   --> src/exercise8/mod.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn print_diff((code_len, mem_len): (usize, usize)) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex4`
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn ex4() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex3`
[INFO] [stdout]   --> src/main.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn ex3() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex2`
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn ex2() -> io::Result<()> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex1`
[INFO] [stdout]    --> src/main.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn ex1() {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "6059c6ceb16bf0a3d9f1f8bd9fa306021cdd1520a5cc779d75d614ab00e21001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6059c6ceb16bf0a3d9f1f8bd9fa306021cdd1520a5cc779d75d614ab00e21001", kill_on_drop: false }`
[INFO] [stdout] 6059c6ceb16bf0a3d9f1f8bd9fa306021cdd1520a5cc779d75d614ab00e21001