[INFO] cloning repository https://github.com/obasekiosa/pfdp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obasekiosa/pfdp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobasekiosa%2Fpfdp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobasekiosa%2Fpfdp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1662325f325bc903dd8463fcc2ec3156acd5c5f
[INFO] testing obasekiosa/pfdp against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobasekiosa%2Fpfdp" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/obasekiosa/pfdp on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/obasekiosa/pfdp
[INFO] finished tweaking git repo https://github.com/obasekiosa/pfdp
[INFO] tweaked toml for git repo https://github.com/obasekiosa/pfdp written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/obasekiosa/pfdp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f27d193eab8cb4bead0cfe39616a7943e13bdde5392cb4cdf61ada3332de4582
[INFO] running `Command { std: "docker" "start" "-a" "f27d193eab8cb4bead0cfe39616a7943e13bdde5392cb4cdf61ada3332de4582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f27d193eab8cb4bead0cfe39616a7943e13bdde5392cb4cdf61ada3332de4582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27d193eab8cb4bead0cfe39616a7943e13bdde5392cb4cdf61ada3332de4582", kill_on_drop: false }`
[INFO] [stdout] f27d193eab8cb4bead0cfe39616a7943e13bdde5392cb4cdf61ada3332de4582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a1c162f5aaac2308870d2bb06a14cf03f8c07efe987fc5bb8540a1db9abd57f
[INFO] running `Command { std: "docker" "start" "-a" "7a1c162f5aaac2308870d2bb06a14cf03f8c07efe987fc5bb8540a1db9abd57f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pfdp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `missing_loc`
[INFO] [stdout]  --> src/tile_that_courtyard.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn show_tiling(tiles: &Vec<Tile>, missing_loc: &(usize, usize), size: usize) {
[INFO] [stdout]   |                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_missing_loc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `best_time_to_party` is never used
[INFO] [stdout]  --> src/best_time_to_party.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn best_time_to_party(schedule: &Vec<[u32; 2]>) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `best_time_to_party2` is never used
[INFO] [stdout]   --> src/best_time_to_party.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn best_time_to_party2(schedule: &Vec<[u32; 2]>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comformity` is never used
[INFO] [stdout]  --> src/conformity.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn comformity(line: &[bool]) -> (usize, String) {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comformity2` is never used
[INFO] [stdout]   --> src/conformity.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn comformity2(line: &[bool]) -> (usize, String) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Row` is never constructed
[INFO] [stdout]  --> src/n_queens.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Row(Vec<u8>);
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]  --> src/n_queens.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Board(Vec<Row>);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `of_size`, `row_to_string`, and `copy` are never used
[INFO] [stdout]   --> src/n_queens.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Row {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 7  |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn of_size(size: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn row_to_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn copy(&self) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `of_size`, and `copy` are never used
[INFO] [stdout]   --> src/n_queens.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Board {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 42 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn of_size(size: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn copy(&self) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n_queens_problem` is never used
[INFO] [stdout]   --> src/n_queens.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn n_queens_problem(board_size: usize) -> Vec<Board> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_nq_problem` is never used
[INFO] [stdout]   --> src/n_queens.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn solve_nq_problem(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_board` is never used
[INFO] [stdout]    --> src/n_queens.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn get_board(index: usize, board: &Board) -> Board {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_cord` is never used
[INFO] [stdout]    --> src/n_queens.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn get_cord(index: usize, width: usize) -> (usize, usize) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n_queens_problem2` is never used
[INFO] [stdout]    --> src/n_queens.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn n_queens_problem2(board_size: usize) -> Vec<Vec<usize>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_nq_problem2` is never used
[INFO] [stdout]    --> src/n_queens.rs:200:4
[INFO] [stdout]     |
[INFO] [stdout] 200 | fn solve_nq_problem2(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_place` is never used
[INFO] [stdout]    --> src/n_queens.rs:226:4
[INFO] [stdout]     |
[INFO] [stdout] 226 | fn can_place(cell: usize, curr_col: usize, board: &Vec<Option<usize>>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tile` is never used
[INFO] [stdout]  --> src/tile_that_courtyard.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | type Tile = Vec<(usize, usize)>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CourtYard` is never used
[INFO] [stdout]  --> src/tile_that_courtyard.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type CourtYard = Vec<Vec<usize>>;
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_tiling` is never used
[INFO] [stdout]  --> src/tile_that_courtyard.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn show_tiling(tiles: &Vec<Tile>, missing_loc: &(usize, usize), size: usize) {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `please_tile_that_courtyard_please` is never used
[INFO] [stdout]   --> src/tile_that_courtyard.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn please_tile_that_courtyard_please(size: usize, missing_loc: (usize, usize), use_given: bool) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_section` is never used
[INFO] [stdout]   --> src/tile_that_courtyard.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn show_section(section: (usize, usize, usize, usize), size: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tile_court_yard` is never used
[INFO] [stdout]   --> src/tile_that_courtyard.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn tile_court_yard(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Suit` is never used
[INFO] [stdout]  --> src/you_can_read_minds.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Suit {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CardNumber` is never used
[INFO] [stdout]   --> src/you_can_read_minds.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum CardNumber {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]   --> src/you_can_read_minds.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Card(Suit, CardNumber);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CardList` is never constructed
[INFO] [stdout]   --> src/you_can_read_minds.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct CardList(Vec<Card>);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `card_shape_to_char` is never used
[INFO] [stdout]   --> src/you_can_read_minds.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn card_shape_to_char(shape: &Suit) -> char {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `card_number_to_char` is never used
[INFO] [stdout]   --> src/you_can_read_minds.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn card_number_to_char(number: &CardNumber) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_dist` is never used
[INFO] [stdout]   --> src/you_can_read_minds.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn encode_dist(card_list: &mut Vec<Card>, dist: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_clockwise` is never used
[INFO] [stdout]    --> src/you_can_read_minds.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn move_clockwise(start: u8, step: u8) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `card_number_to_number` is never used
[INFO] [stdout]    --> src/you_can_read_minds.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn card_number_to_number(card_number: &CardNumber) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `you_can_read_minds` is never used
[INFO] [stdout]    --> src/you_can_read_minds.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn you_can_read_minds(cards: &[Card; 5]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `Command { std: "docker" "inspect" "7a1c162f5aaac2308870d2bb06a14cf03f8c07efe987fc5bb8540a1db9abd57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1c162f5aaac2308870d2bb06a14cf03f8c07efe987fc5bb8540a1db9abd57f", kill_on_drop: false }`
[INFO] [stdout] 7a1c162f5aaac2308870d2bb06a14cf03f8c07efe987fc5bb8540a1db9abd57f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0696fc58ef3471643c3eb814726e444455e413761dcf50af542cb12a8c8ce1d2
[INFO] running `Command { std: "docker" "start" "-a" "0696fc58ef3471643c3eb814726e444455e413761dcf50af542cb12a8c8ce1d2", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `missing_loc`
[INFO] [stdout]  --> src/tile_that_courtyard.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn show_tiling(tiles: &Vec<Tile>, missing_loc: &(usize, usize), size: usize) {
[INFO] [stdout]   |                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_missing_loc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `best_time_to_party` is never used
[INFO] [stdout]  --> src/best_time_to_party.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn best_time_to_party(schedule: &Vec<[u32; 2]>) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `best_time_to_party2` is never used
[INFO] [stdout]   --> src/best_time_to_party.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn best_time_to_party2(schedule: &Vec<[u32; 2]>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comformity` is never used
[INFO] [stdout]  --> src/conformity.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn comformity(line: &[bool]) -> (usize, String) {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comformity2` is never used
[INFO] [stdout]   --> src/conformity.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn comformity2(line: &[bool]) -> (usize, String) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Row` is never constructed
[INFO] [stdout]  --> src/n_queens.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Row(Vec<u8>);
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]  --> src/n_queens.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Board(Vec<Row>);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `of_size`, `row_to_string`, and `copy` are never used
[INFO] [stdout]   --> src/n_queens.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Row {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 7  |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn of_size(size: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn row_to_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn copy(&self) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `of_size`, and `copy` are never used
[INFO] [stdout]   --> src/n_queens.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Board {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 42 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn of_size(size: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn copy(&self) -> Self {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n_queens_problem` is never used
[INFO] [stdout]   --> src/n_queens.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn n_queens_problem(board_size: usize) -> Vec<Board> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_nq_problem` is never used
[INFO] [stdout]   --> src/n_queens.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn solve_nq_problem(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_board` is never used
[INFO] [stdout]    --> src/n_queens.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn get_board(index: usize, board: &Board) -> Board {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_cord` is never used
[INFO] [stdout]    --> src/n_queens.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn get_cord(index: usize, width: usize) -> (usize, usize) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n_queens_problem2` is never used
[INFO] [stdout]    --> src/n_queens.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn n_queens_problem2(board_size: usize) -> Vec<Vec<usize>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_nq_problem2` is never used
[INFO] [stdout]    --> src/n_queens.rs:200:4
[INFO] [stdout]     |
[INFO] [stdout] 200 | fn solve_nq_problem2(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_place` is never used
[INFO] [stdout]    --> src/n_queens.rs:226:4
[INFO] [stdout]     |
[INFO] [stdout] 226 | fn can_place(cell: usize, curr_col: usize, board: &Vec<Option<usize>>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tile` is never used
[INFO] [stdout]  --> src/tile_that_courtyard.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | type Tile = Vec<(usize, usize)>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CourtYard` is never used
[INFO] [stdout]  --> src/tile_that_courtyard.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type CourtYard = Vec<Vec<usize>>;
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_tiling` is never used
[INFO] [stdout]  --> src/tile_that_courtyard.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn show_tiling(tiles: &Vec<Tile>, missing_loc: &(usize, usize), size: usize) {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `please_tile_that_courtyard_please` is never used
[INFO] [stdout]   --> src/tile_that_courtyard.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn please_tile_that_courtyard_please(size: usize, missing_loc: (usize, usize), use_given: bool) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_section` is never used
[INFO] [stdout]   --> src/tile_that_courtyard.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn show_section(section: (usize, usize, usize, usize), size: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tile_court_yard` is never used
[INFO] [stdout]   --> src/tile_that_courtyard.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn tile_court_yard(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Suit` is never used
[INFO] [stdout]  --> src/you_can_read_minds.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Suit {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CardNumber` is never used
[INFO] [stdout]   --> src/you_can_read_minds.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum CardNumber {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]   --> src/you_can_read_minds.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Card(Suit, CardNumber);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CardList` is never constructed
[INFO] [stdout]   --> src/you_can_read_minds.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct CardList(Vec<Card>);
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `card_shape_to_char` is never used
[INFO] [stdout]   --> src/you_can_read_minds.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn card_shape_to_char(shape: &Suit) -> char {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `card_number_to_char` is never used
[INFO] [stdout]   --> src/you_can_read_minds.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn card_number_to_char(number: &CardNumber) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_dist` is never used
[INFO] [stdout]   --> src/you_can_read_minds.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn encode_dist(card_list: &mut Vec<Card>, dist: u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_clockwise` is never used
[INFO] [stdout]    --> src/you_can_read_minds.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn move_clockwise(start: u8, step: u8) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `card_number_to_number` is never used
[INFO] [stdout]    --> src/you_can_read_minds.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn card_number_to_number(card_number: &CardNumber) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `you_can_read_minds` is never used
[INFO] [stdout]    --> src/you_can_read_minds.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn you_can_read_minds(cards: &[Card; 5]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pfdp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `missing_loc`
[INFO] [stdout]  --> src/tile_that_courtyard.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn show_tiling(tiles: &Vec<Tile>, missing_loc: &(usize, usize), size: usize) {
[INFO] [stdout]   |                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_missing_loc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/n_queens.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Row {
[INFO] [stdout]   | -------- associated function in this implementation
[INFO] [stdout] 7 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/n_queens.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Board {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 42 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `show_section` is never used
[INFO] [stdout]   --> src/tile_that_courtyard.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn show_section(section: (usize, usize, usize, usize), size: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Diamonds` is never constructed
[INFO] [stdout]  --> src/you_can_read_minds.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Suit {
[INFO] [stdout]   |      ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Diamonds,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Suit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/you_can_read_minds.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum CardNumber {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 13 |     Ace,
[INFO] [stdout] 14 |     Two,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     Three,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 16 |     Four,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     Five,
[INFO] [stdout] 18 |     Six,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     Seven,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 20 |     Eight,
[INFO] [stdout] 21 |     Nine,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     Ten,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     Jack,
[INFO] [stdout] 24 |     Queen,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CardNumber` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "0696fc58ef3471643c3eb814726e444455e413761dcf50af542cb12a8c8ce1d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0696fc58ef3471643c3eb814726e444455e413761dcf50af542cb12a8c8ce1d2", kill_on_drop: false }`
[INFO] [stdout] 0696fc58ef3471643c3eb814726e444455e413761dcf50af542cb12a8c8ce1d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 946c363476b7aea6150cd4887076f5594141f6d8d83599390b47ba527d18f9b3
[INFO] running `Command { std: "docker" "start" "-a" "946c363476b7aea6150cd4887076f5594141f6d8d83599390b47ba527d18f9b3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `missing_loc`
[INFO] [stderr]  --> src/tile_that_courtyard.rs:5:35
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn show_tiling(tiles: &Vec<Tile>, missing_loc: &(usize, usize), size: usize) {
[INFO] [stderr]   |                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_missing_loc`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `best_time_to_party` is never used
[INFO] [stderr]  --> src/best_time_to_party.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn best_time_to_party(schedule: &Vec<[u32; 2]>) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `best_time_to_party2` is never used
[INFO] [stderr]   --> src/best_time_to_party.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn best_time_to_party2(schedule: &Vec<[u32; 2]>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `comformity` is never used
[INFO] [stderr]  --> src/conformity.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn comformity(line: &[bool]) -> (usize, String) {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `comformity2` is never used
[INFO] [stderr]   --> src/conformity.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn comformity2(line: &[bool]) -> (usize, String) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Row` is never constructed
[INFO] [stderr]  --> src/n_queens.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Row(Vec<u8>);
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Board` is never constructed
[INFO] [stderr]  --> src/n_queens.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Board(Vec<Row>);
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `of_size`, `row_to_string`, and `copy` are never used
[INFO] [stderr]   --> src/n_queens.rs:7:8
[INFO] [stderr]    |
[INFO] [stderr] 6  | impl Row {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] 7  |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 11 |     fn of_size(size: usize) -> Self {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     fn row_to_string(&self) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 25 |     fn copy(&self) -> Self {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `of_size`, and `copy` are never used
[INFO] [stderr]   --> src/n_queens.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl Board {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] 42 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     fn of_size(size: usize) -> Self {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     fn copy(&self) -> Self {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `n_queens_problem` is never used
[INFO] [stderr]   --> src/n_queens.rs:77:4
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn n_queens_problem(board_size: usize) -> Vec<Board> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_nq_problem` is never used
[INFO] [stderr]   --> src/n_queens.rs:98:4
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn solve_nq_problem(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_board` is never used
[INFO] [stderr]    --> src/n_queens.rs:121:4
[INFO] [stderr]     |
[INFO] [stderr] 121 | fn get_board(index: usize, board: &Board) -> Board {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_cord` is never used
[INFO] [stderr]    --> src/n_queens.rs:183:4
[INFO] [stderr]     |
[INFO] [stderr] 183 | fn get_cord(index: usize, width: usize) -> (usize, usize) {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `n_queens_problem2` is never used
[INFO] [stderr]    --> src/n_queens.rs:187:4
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn n_queens_problem2(board_size: usize) -> Vec<Vec<usize>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_nq_problem2` is never used
[INFO] [stderr]    --> src/n_queens.rs:200:4
[INFO] [stderr]     |
[INFO] [stderr] 200 | fn solve_nq_problem2(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `can_place` is never used
[INFO] [stderr]    --> src/n_queens.rs:226:4
[INFO] [stderr]     |
[INFO] [stderr] 226 | fn can_place(cell: usize, curr_col: usize, board: &Vec<Option<usize>>) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Tile` is never used
[INFO] [stderr]  --> src/tile_that_courtyard.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | type Tile = Vec<(usize, usize)>;
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `CourtYard` is never used
[INFO] [stderr]  --> src/tile_that_courtyard.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type CourtYard = Vec<Vec<usize>>;
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `show_tiling` is never used
[INFO] [stderr]  --> src/tile_that_courtyard.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn show_tiling(tiles: &Vec<Tile>, missing_loc: &(usize, usize), size: usize) {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `please_tile_that_courtyard_please` is never used
[INFO] [stderr]   --> src/tile_that_courtyard.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn please_tile_that_courtyard_please(size: usize, missing_loc: (usize, usize), use_given: bool) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `show_section` is never used
[INFO] [stderr]   --> src/tile_that_courtyard.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn show_section(section: (usize, usize, usize, usize), size: usize) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tile_court_yard` is never used
[INFO] [stderr]   --> src/tile_that_courtyard.rs:59:4
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn tile_court_yard(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Suit` is never used
[INFO] [stderr]  --> src/you_can_read_minds.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum Suit {
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `CardNumber` is never used
[INFO] [stderr]   --> src/you_can_read_minds.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 | enum CardNumber {
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Card` is never constructed
[INFO] [stderr]   --> src/you_can_read_minds.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct Card(Suit, CardNumber);
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CardList` is never constructed
[INFO] [stderr]   --> src/you_can_read_minds.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | struct CardList(Vec<Card>);
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `card_shape_to_char` is never used
[INFO] [stderr]   --> src/you_can_read_minds.rs:58:4
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn card_shape_to_char(shape: &Suit) -> char {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `card_number_to_char` is never used
[INFO] [stderr]   --> src/you_can_read_minds.rs:67:4
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn card_number_to_char(number: &CardNumber) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `encode_dist` is never used
[INFO] [stderr]   --> src/you_can_read_minds.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn encode_dist(card_list: &mut Vec<Card>, dist: u8) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `move_clockwise` is never used
[INFO] [stderr]    --> src/you_can_read_minds.rs:117:4
[INFO] [stderr]     |
[INFO] [stderr] 117 | fn move_clockwise(start: u8, step: u8) -> u8 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `card_number_to_number` is never used
[INFO] [stderr]    --> src/you_can_read_minds.rs:121:4
[INFO] [stderr]     |
[INFO] [stderr] 121 | fn card_number_to_number(card_number: &CardNumber) -> u8 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `you_can_read_minds` is never used
[INFO] [stderr]    --> src/you_can_read_minds.rs:139:4
[INFO] [stderr]     |
[INFO] [stderr] 139 | fn you_can_read_minds(cards: &[Card; 5]) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/n_queens.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl Row {
[INFO] [stderr]   | -------- associated function in this implementation
[INFO] [stderr] 7 |     fn new() -> Self {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/n_queens.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl Board {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] 42 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Diamonds` is never constructed
[INFO] [stderr]  --> src/you_can_read_minds.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum Suit {
[INFO] [stderr]   |      ---- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 7 |     Diamonds,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Suit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/you_can_read_minds.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | enum CardNumber {
[INFO] [stderr]    |      ---------- variants in this enum
[INFO] [stderr] 13 |     Ace,
[INFO] [stderr] 14 |     Two,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 15 |     Three,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 16 |     Four,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 17 |     Five,
[INFO] [stderr] 18 |     Six,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 19 |     Seven,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 20 |     Eight,
[INFO] [stderr] 21 |     Nine,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 22 |     Ten,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 23 |     Jack,
[INFO] [stderr] 24 |     Queen,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CardNumber` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `pfdp` (lib) generated 32 warnings
[INFO] [stderr] warning: `pfdp` (lib test) generated 6 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pfdp-a351f96086617f40)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test best_time_to_party::tests::test_best_time_to_party ... ok
[INFO] [stdout] test conformity::tests::test_comformity2 ... ok
[INFO] [stdout] test you_can_read_minds::tests::test_you_can_read_minds ... ok
[INFO] [stdout] test best_time_to_party::tests::test_best_time_to_party2 ... ok
[INFO] [stdout] test tile_that_courtyard::tests::test_please_tile_that_courtyard_please ... ok
[INFO] [stdout] test n_queens::tests::test_n_queens_problem ... ok
[INFO] [stdout] test conformity::tests::test_comformity ... ok
[INFO] [stdout] test n_queens::tests::test_n_queens_problem2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pfdp-c4c693853e50cefc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pfdp
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "946c363476b7aea6150cd4887076f5594141f6d8d83599390b47ba527d18f9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946c363476b7aea6150cd4887076f5594141f6d8d83599390b47ba527d18f9b3", kill_on_drop: false }`
[INFO] [stdout] 946c363476b7aea6150cd4887076f5594141f6d8d83599390b47ba527d18f9b3