[INFO] cloning repository https://github.com/oldtune/dynamic_programming_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oldtune/dynamic_programming_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foldtune%2Fdynamic_programming_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foldtune%2Fdynamic_programming_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a52a74972b8521c311a57b0847ac1b5d7cd1db8
[INFO] testing oldtune/dynamic_programming_exercises against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foldtune%2Fdynamic_programming_exercises" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
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[INFO] validating manifest of git repo https://github.com/oldtune/dynamic_programming_exercises 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/oldtune/dynamic_programming_exercises
[INFO] finished tweaking git repo https://github.com/oldtune/dynamic_programming_exercises
[INFO] tweaked toml for git repo https://github.com/oldtune/dynamic_programming_exercises written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/oldtune/dynamic_programming_exercises 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b0814ba0f6fe001d41f7aad1197c7b6aedd42c2e349885b9d55f9d9456ddd83b
[INFO] running `Command { std: "docker" "start" "-a" "b0814ba0f6fe001d41f7aad1197c7b6aedd42c2e349885b9d55f9d9456ddd83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0814ba0f6fe001d41f7aad1197c7b6aedd42c2e349885b9d55f9d9456ddd83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0814ba0f6fe001d41f7aad1197c7b6aedd42c2e349885b9d55f9d9456ddd83b", kill_on_drop: false }`
[INFO] [stdout] b0814ba0f6fe001d41f7aad1197c7b6aedd42c2e349885b9d55f9d9456ddd83b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bd70fbd4fe5994831ce33e10dc5a575058530ffdac1d6e8fa42e9cb0e2de52b2
[INFO] running `Command { std: "docker" "start" "-a" "bd70fbd4fe5994831ce33e10dc5a575058530ffdac1d6e8fa42e9cb0e2de52b2", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling subset_duo_number v0.1.0 (/opt/rustwide/workdir/subset_duo_number)
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir/sudoku)
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir/fibonacci)
[INFO] [stderr]    Compiling backtracking_finding_subset v0.1.0 (/opt/rustwide/workdir/backtracking_finding_subset)
[INFO] [stderr]    Compiling tiling_problem v0.1.0 (/opt/rustwide/workdir/tiling_problem)
[INFO] [stderr]    Compiling factorial v0.1.0 (/opt/rustwide/workdir/factorial)
[INFO] [stderr]    Compiling backtracking_permutation v0.1.0 (/opt/rustwide/workdir/backtracking_permutation)
[INFO] [stderr]    Compiling check_if_array_is_sorted v0.1.0 (/opt/rustwide/workdir/check_if_array_is_sorted)
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> subset_duo_number/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tiling_problem_solve` is never used
[INFO] [stdout]   --> tiling_problem/src/lib.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn tiling_problem_solve(n: u8) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_if_array_is_sorted` is never used
[INFO] [stdout]   --> check_if_array_is_sorted/src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn check_if_array_is_sorted(a: Vec<u8>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> sudoku/src/lib.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut result = Self {
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tower_of_hanoi v0.1.0 (/opt/rustwide/workdir/tower_of_hanoi)
[INFO] [stdout] warning: function `sudoku_solver` is never used
[INFO] [stdout]   --> sudoku/src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn sudoku_solver(grid: &mut Grid, i: u8, j: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `put` is never used
[INFO] [stdout]   --> sudoku/src/lib.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn put(grid: &mut Grid, i: u8, j: u8, num: u8) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_put_here` is never used
[INFO] [stdout]   --> sudoku/src/lib.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn can_put_here(grid: &Grid, i: u8, j: u8, n: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_vertical` is never used
[INFO] [stdout]   --> sudoku/src/lib.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn check_vertical(grid: &Grid, j: u8, n: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_horizontal` is never used
[INFO] [stdout]   --> sudoku/src/lib.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn check_horizontal(grid: &Grid, i: u8, n: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_put_in_subgrid` is never used
[INFO] [stdout]   --> sudoku/src/lib.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn can_put_in_subgrid(grid: &Grid, grid_index: u8, n: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_sub_grids` are never used
[INFO] [stdout]    --> sudoku/src/lib.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 96  | impl Grid {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn get_sub_grids<'a>(&'a self, step: u8) -> Vec<SubGrid<'a>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `permutation` is never used
[INFO] [stdout]  --> backtracking_permutation/src/lib.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn permutation() {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub_permutation` is never used
[INFO] [stdout]   --> backtracking_permutation/src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn sub_permutation(numbers: &Vec<u8>, track: &mut Vec<u8>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> tower_of_hanoi/src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub struct Rod {
[INFO] [stdout]    |                --- field in this struct
[INFO] [stdout] 35 |         name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `can_put`, `put`, `take_and_put_on_another_rod`, `plates`, and `new` are never used
[INFO] [stdout]   --> tower_of_hanoi/src/lib.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     impl Rod {
[INFO] [stdout]    |     -------- associated items in this implementation
[INFO] [stdout] 50 |         fn can_put(&mut self, plate: &Plate) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |         pub fn put(&mut self, plate: Plate) {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |         pub fn take_and_put_on_another_rod(&mut self, another_rod: &mut Rod) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |         pub fn plates(&self) -> impl Iterator<Item = &Plate> {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |         pub fn new(name: &str, plates: Vec<Plate>) -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `size` and `new` are never used
[INFO] [stdout]   --> tower_of_hanoi/src/lib.rs:86:16
[INFO] [stdout]    |
[INFO] [stdout] 85 |     impl Plate {
[INFO] [stdout]    |     ---------- associated items in this implementation
[INFO] [stdout] 86 |         pub fn size(&self) -> u8 {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |         pub fn new(size: u8, name: &str) -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tower_of_hanoi_solve` is never used
[INFO] [stdout]   --> tower_of_hanoi/src/lib.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn tower_of_hanoi_solve(plates: u8, from: &mut Rod, to: &mut Rod, helper: &mut Rod) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "bd70fbd4fe5994831ce33e10dc5a575058530ffdac1d6e8fa42e9cb0e2de52b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd70fbd4fe5994831ce33e10dc5a575058530ffdac1d6e8fa42e9cb0e2de52b2", kill_on_drop: false }`
[INFO] [stdout] bd70fbd4fe5994831ce33e10dc5a575058530ffdac1d6e8fa42e9cb0e2de52b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1fcef6ea20d000da2b671b1291d57d42ce375e243391294a27f823fd802e4a25
[INFO] running `Command { std: "docker" "start" "-a" "1fcef6ea20d000da2b671b1291d57d42ce375e243391294a27f823fd802e4a25", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> tower_of_hanoi/src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub struct Rod {
[INFO] [stdout]    |                --- field in this struct
[INFO] [stdout] 35 |         name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `can_put`, `put`, `take_and_put_on_another_rod`, `plates`, and `new` are never used
[INFO] [stdout]   --> tower_of_hanoi/src/lib.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     impl Rod {
[INFO] [stdout]    |     -------- associated items in this implementation
[INFO] [stdout] 50 |         fn can_put(&mut self, plate: &Plate) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |         pub fn put(&mut self, plate: Plate) {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |         pub fn take_and_put_on_another_rod(&mut self, another_rod: &mut Rod) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |         pub fn plates(&self) -> impl Iterator<Item = &Plate> {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |         pub fn new(name: &str, plates: Vec<Plate>) -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `size` and `new` are never used
[INFO] [stdout]   --> tower_of_hanoi/src/lib.rs:86:16
[INFO] [stdout]    |
[INFO] [stdout] 85 |     impl Plate {
[INFO] [stdout]    |     ---------- associated items in this implementation
[INFO] [stdout] 86 |         pub fn size(&self) -> u8 {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |         pub fn new(size: u8, name: &str) -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tower_of_hanoi_solve` is never used
[INFO] [stdout]   --> tower_of_hanoi/src/lib.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn tower_of_hanoi_solve(plates: u8, from: &mut Rod, to: &mut Rod, helper: &mut Rod) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> subset_duo_number/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_if_array_is_sorted` is never used
[INFO] [stdout]   --> check_if_array_is_sorted/src/lib.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn check_if_array_is_sorted(a: Vec<u8>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `permutation` is never used
[INFO] [stdout]  --> backtracking_permutation/src/lib.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn permutation() {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sub_permutation` is never used
[INFO] [stdout]   --> backtracking_permutation/src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn sub_permutation(numbers: &Vec<u8>, track: &mut Vec<u8>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> sudoku/src/lib.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut result = Self {
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sudoku_solver` is never used
[INFO] [stdout]   --> sudoku/src/lib.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn sudoku_solver(grid: &mut Grid, i: u8, j: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `put` is never used
[INFO] [stdout]   --> sudoku/src/lib.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn put(grid: &mut Grid, i: u8, j: u8, num: u8) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_put_here` is never used
[INFO] [stdout]   --> sudoku/src/lib.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn can_put_here(grid: &Grid, i: u8, j: u8, n: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_vertical` is never used
[INFO] [stdout]   --> sudoku/src/lib.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn check_vertical(grid: &Grid, j: u8, n: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_horizontal` is never used
[INFO] [stdout]   --> sudoku/src/lib.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn check_horizontal(grid: &Grid, i: u8, n: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_put_in_subgrid` is never used
[INFO] [stdout]   --> sudoku/src/lib.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn can_put_in_subgrid(grid: &Grid, grid_index: u8, n: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_sub_grids` are never used
[INFO] [stdout]    --> sudoku/src/lib.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 96  | impl Grid {
[INFO] [stdout]     | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn get_sub_grids<'a>(&'a self, step: u8) -> Vec<SubGrid<'a>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tiling_problem_solve` is never used
[INFO] [stdout]   --> tiling_problem/src/lib.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn tiling_problem_solve(n: u8) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling factorial v0.1.0 (/opt/rustwide/workdir/factorial)
[INFO] [stderr]    Compiling check_if_array_is_sorted v0.1.0 (/opt/rustwide/workdir/check_if_array_is_sorted)
[INFO] [stderr]    Compiling tower_of_hanoi v0.1.0 (/opt/rustwide/workdir/tower_of_hanoi)
[INFO] [stderr]    Compiling backtracking_permutation v0.1.0 (/opt/rustwide/workdir/backtracking_permutation)
[INFO] [stderr]    Compiling subset_duo_number v0.1.0 (/opt/rustwide/workdir/subset_duo_number)
[INFO] [stderr]    Compiling backtracking_finding_subset v0.1.0 (/opt/rustwide/workdir/backtracking_finding_subset)
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir/fibonacci)
[INFO] [stderr]    Compiling sudoku v0.1.0 (/opt/rustwide/workdir/sudoku)
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> subset_duo_number/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> tower_of_hanoi/src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub struct Rod {
[INFO] [stdout]    |                --- field in this struct
[INFO] [stdout] 35 |         name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_put` is never used
[INFO] [stdout]   --> tower_of_hanoi/src/lib.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     impl Rod {
[INFO] [stdout]    |     -------- method in this implementation
[INFO] [stdout] 50 |         fn can_put(&mut self, plate: &Plate) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> sudoku/src/lib.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut result = Self {
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tiling_problem v0.1.0 (/opt/rustwide/workdir/tiling_problem)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "1fcef6ea20d000da2b671b1291d57d42ce375e243391294a27f823fd802e4a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fcef6ea20d000da2b671b1291d57d42ce375e243391294a27f823fd802e4a25", kill_on_drop: false }`
[INFO] [stdout] 1fcef6ea20d000da2b671b1291d57d42ce375e243391294a27f823fd802e4a25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ddc8a05b10fe9172c48fcbce9d85aff9edc083a4278c5869e5dc1a856d975b8e
[INFO] running `Command { std: "docker" "start" "-a" "ddc8a05b10fe9172c48fcbce9d85aff9edc083a4278c5869e5dc1a856d975b8e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: function `check_if_array_is_sorted` is never used
[INFO] [stderr]   --> check_if_array_is_sorted/src/lib.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn check_if_array_is_sorted(a: Vec<u8>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `check_if_array_is_sorted` (lib) generated 1 warning
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> subset_duo_number/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `subset_duo_number` (lib) generated 1 warning (run `cargo fix --lib -p subset_duo_number` to apply 1 suggestion)
[INFO] [stderr] warning: function `permutation` is never used
[INFO] [stderr]  --> backtracking_permutation/src/lib.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn permutation() {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `sub_permutation` is never used
[INFO] [stderr]   --> backtracking_permutation/src/lib.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn sub_permutation(numbers: &Vec<u8>, track: &mut Vec<u8>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `backtracking_permutation` (lib) generated 2 warnings
[INFO] [stderr] warning: function `tiling_problem_solve` is never used
[INFO] [stderr]   --> tiling_problem/src/lib.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn tiling_problem_solve(n: u8) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tiling_problem` (lib) generated 1 warning
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> sudoku/src/lib.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut result = Self {
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `sudoku_solver` is never used
[INFO] [stderr]   --> sudoku/src/lib.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn sudoku_solver(grid: &mut Grid, i: u8, j: u8) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `put` is never used
[INFO] [stderr]   --> sudoku/src/lib.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn put(grid: &mut Grid, i: u8, j: u8, num: u8) {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `can_put_here` is never used
[INFO] [stderr]   --> sudoku/src/lib.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn can_put_here(grid: &Grid, i: u8, j: u8, n: u8) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_vertical` is never used
[INFO] [stderr]   --> sudoku/src/lib.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn check_vertical(grid: &Grid, j: u8, n: u8) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_horizontal` is never used
[INFO] [stderr]   --> sudoku/src/lib.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn check_horizontal(grid: &Grid, i: u8, n: u8) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `can_put_in_subgrid` is never used
[INFO] [stderr]   --> sudoku/src/lib.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn can_put_in_subgrid(grid: &Grid, grid_index: u8, n: u8) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `get_sub_grids` are never used
[INFO] [stderr]    --> sudoku/src/lib.rs:107:8
[INFO] [stderr]     |
[INFO] [stderr] 96  | impl Grid {
[INFO] [stderr]     | --------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 107 |     fn new() -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 117 |     fn get_sub_grids<'a>(&'a self, step: u8) -> Vec<SubGrid<'a>> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sudoku` (lib) generated 8 warnings (run `cargo fix --lib -p sudoku` to apply 1 suggestion)
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> tower_of_hanoi/src/lib.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub struct Rod {
[INFO] [stderr]    |                --- field in this struct
[INFO] [stderr] 35 |         name: String,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `can_put`, `put`, `take_and_put_on_another_rod`, `plates`, and `new` are never used
[INFO] [stderr]   --> tower_of_hanoi/src/lib.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     impl Rod {
[INFO] [stderr]    |     -------- associated items in this implementation
[INFO] [stderr] 50 |         fn can_put(&mut self, plate: &Plate) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |         pub fn put(&mut self, plate: Plate) {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |         pub fn take_and_put_on_another_rod(&mut self, another_rod: &mut Rod) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 68 |         pub fn plates(&self) -> impl Iterator<Item = &Plate> {
[INFO] [stderr]    |                ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |         pub fn new(name: &str, plates: Vec<Plate>) -> Self {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `size` and `new` are never used
[INFO] [stderr]   --> tower_of_hanoi/src/lib.rs:86:16
[INFO] [stderr]    |
[INFO] [stderr] 85 |     impl Plate {
[INFO] [stderr]    |     ---------- associated items in this implementation
[INFO] [stderr] 86 |         pub fn size(&self) -> u8 {
[INFO] [stderr]    |                ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 90 |         pub fn new(size: u8, name: &str) -> Self {
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tower_of_hanoi_solve` is never used
[INFO] [stderr]   --> tower_of_hanoi/src/lib.rs:98:12
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn tower_of_hanoi_solve(plates: u8, from: &mut Rod, to: &mut Rod, helper: &mut Rod) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tower_of_hanoi` (lib) generated 4 warnings
[INFO] [stderr] warning: method `can_put` is never used
[INFO] [stderr]   --> tower_of_hanoi/src/lib.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     impl Rod {
[INFO] [stderr]    |     -------- method in this implementation
[INFO] [stderr] 50 |         fn can_put(&mut self, plate: &Plate) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tower_of_hanoi` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr] warning: `subset_duo_number` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `sudoku` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/backtracking_finding_subset-a3515e55953e8992)
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/backtracking_permutation-0a03716fbbc82a82)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test backtracking_permutation_test::permutation_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/check_if_array_is_sorted-3e04645896f27252)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::return_false_if_not_sorted ... ok
[INFO] [stdout] test tests::return_true_if_len_is_0_or_1 ... ok
[INFO] [stdout] test tests::return_true_if_array_is_sorted ... ok
[INFO] [stdout] test tests::return_true_if_long_array_is_sorted ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/factorial-2c96638eded55c3f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-8211b2f7188c4483)
[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 2 tests
[INFO] [stdout] test tests::factorial_of_one_should_return_1 ... ok
[INFO] [stdout] test tests::factorial_should_return_correct_answer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fibonacci-b2cb0d8a702dbd4b)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::fibonacci_should_return_correct_value ... ok
[INFO] [stdout] test tests::second_fibonacci_is_1 ... ok
[INFO] [stdout] test tests::first_fibonacci_is_0 ... ok
[INFO] [stdout] test tests::third_fibonacci_is_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/subset_duo_number-3246ddabf1a30800)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sudoku-49675048fc0b6383)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::should_return_correct_subgrid_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tiling_problem-df262da3d9adaca8)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::return_2_if_n_is_4 ... ok
[INFO] [stdout] test tests::return_1_if_n_less_than_4 ... ok
[INFO] [stdout] test tests::return_4_if_n_is_8 ... ok
[INFO] [stdout] test tests::return_3_if_n_is_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_of_hanoi-2e330e20a6519dad)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::tower_of_hanoi_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests backtracking_finding_subset
[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] [stderr]    Doc-tests backtracking_permutation
[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] [stderr]    Doc-tests check_if_array_is_sorted
[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] [stderr]    Doc-tests factorial
[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] [stderr]    Doc-tests fibonacci
[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] [stderr]    Doc-tests subset_duo_number
[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] [stderr]    Doc-tests sudoku
[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] [stderr]    Doc-tests tiling_problem
[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] [stderr]    Doc-tests tower_of_hanoi
[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" "ddc8a05b10fe9172c48fcbce9d85aff9edc083a4278c5869e5dc1a856d975b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc8a05b10fe9172c48fcbce9d85aff9edc083a4278c5869e5dc1a856d975b8e", kill_on_drop: false }`
[INFO] [stdout] ddc8a05b10fe9172c48fcbce9d85aff9edc083a4278c5869e5dc1a856d975b8e