[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#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foldtune%2Fdynamic_programming_exercises" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [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-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/oldtune/dynamic_programming_exercises on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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] | [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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25b58656d6dc94de7f63e9dc5961e2153c7ff3ab53224535863e29d57f528145 [INFO] running `Command { std: "docker" "start" "-a" "25b58656d6dc94de7f63e9dc5961e2153c7ff3ab53224535863e29d57f528145", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25b58656d6dc94de7f63e9dc5961e2153c7ff3ab53224535863e29d57f528145", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25b58656d6dc94de7f63e9dc5961e2153c7ff3ab53224535863e29d57f528145", kill_on_drop: false }` [INFO] [stdout] 25b58656d6dc94de7f63e9dc5961e2153c7ff3ab53224535863e29d57f528145 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd15b3773454125056d67a36f77d5e45a9c58ce91ff1ddc265076fe09506e4fb [INFO] running `Command { std: "docker" "start" "-a" "bd15b3773454125056d67a36f77d5e45a9c58ce91ff1ddc265076fe09506e4fb", 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] | [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 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 sudoku v0.1.0 (/opt/rustwide/workdir/sudoku) [INFO] [stderr] Compiling subset_duo_number v0.1.0 (/opt/rustwide/workdir/subset_duo_number) [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 fibonacci v0.1.0 (/opt/rustwide/workdir/fibonacci) [INFO] [stderr] Compiling tiling_problem v0.1.0 (/opt/rustwide/workdir/tiling_problem) [INFO] [stderr] Compiling backtracking_finding_subset v0.1.0 (/opt/rustwide/workdir/backtracking_finding_subset) [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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, track: &mut Vec) { [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rod` is never constructed [INFO] [stdout] --> tower_of_hanoi/src/lib.rs:34:16 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct Rod { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn new(name: &str, plates: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Plate` is never constructed [INFO] [stdout] --> tower_of_hanoi/src/lib.rs:80:16 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct Plate { [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 0.58s [INFO] running `Command { std: "docker" "inspect" "bd15b3773454125056d67a36f77d5e45a9c58ce91ff1ddc265076fe09506e4fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd15b3773454125056d67a36f77d5e45a9c58ce91ff1ddc265076fe09506e4fb", kill_on_drop: false }` [INFO] [stdout] bd15b3773454125056d67a36f77d5e45a9c58ce91ff1ddc265076fe09506e4fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 66feba6a44db8a9a791657b9609d16335ecd574745b4f73e07e49841304b76a5 [INFO] running `Command { std: "docker" "start" "-a" "66feba6a44db8a9a791657b9609d16335ecd574745b4f73e07e49841304b76a5", 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] | [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: 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling factorial v0.1.0 (/opt/rustwide/workdir/factorial) [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, track: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tower_of_hanoi v0.1.0 (/opt/rustwide/workdir/tower_of_hanoi) [INFO] [stderr] Compiling fibonacci v0.1.0 (/opt/rustwide/workdir/fibonacci) [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rod` is never constructed [INFO] [stdout] --> tower_of_hanoi/src/lib.rs:34:16 [INFO] [stdout] | [INFO] [stdout] 34 | pub struct Rod { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | pub fn new(name: &str, plates: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Plate` is never constructed [INFO] [stdout] --> tower_of_hanoi/src/lib.rs:80:16 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct Plate { [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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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 check_if_array_is_sorted v0.1.0 (/opt/rustwide/workdir/check_if_array_is_sorted) [INFO] [stderr] Compiling backtracking_permutation v0.1.0 (/opt/rustwide/workdir/backtracking_permutation) [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/rustwide/workdir/sudoku) [INFO] [stderr] Compiling tiling_problem v0.1.0 (/opt/rustwide/workdir/tiling_problem) [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.28s [INFO] running `Command { std: "docker" "inspect" "66feba6a44db8a9a791657b9609d16335ecd574745b4f73e07e49841304b76a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66feba6a44db8a9a791657b9609d16335ecd574745b4f73e07e49841304b76a5", kill_on_drop: false }` [INFO] [stdout] 66feba6a44db8a9a791657b9609d16335ecd574745b4f73e07e49841304b76a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e0134cdb66bc3aaec87572ee0afc463bbaf0d7093263413d4502183af49c16a8 [INFO] running `Command { std: "docker" "start" "-a" "e0134cdb66bc3aaec87572ee0afc463bbaf0d7093263413d4502183af49c16a8", 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] | [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) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `check_if_array_is_sorted` (lib) generated 1 warning [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)]` (part of `#[warn(unused)]`) 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, track: &mut Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Rod` is never constructed [INFO] [stderr] --> tower_of_hanoi/src/lib.rs:34:16 [INFO] [stderr] | [INFO] [stderr] 34 | pub struct Rod { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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 { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 72 | pub fn new(name: &str, plates: Vec) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Plate` is never constructed [INFO] [stderr] --> tower_of_hanoi/src/lib.rs:80:16 [INFO] [stderr] | [INFO] [stderr] 80 | pub struct Plate { [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: 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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> { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [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: `backtracking_permutation` (lib) generated 2 warnings [INFO] [stderr] warning: `tower_of_hanoi` (lib) generated 5 warnings [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: `tiling_problem` (lib) generated 1 warning [INFO] [stderr] warning: `sudoku` (lib) generated 8 warnings (run `cargo fix --lib -p sudoku` to apply 1 suggestion) [INFO] [stderr] warning: `tower_of_hanoi` (lib test) generated 2 warnings [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/backtracking_permutation-0a03716fbbc82a82) [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] [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_array_is_sorted ... ok [INFO] [stdout] test tests::return_true_if_len_is_0_or_1 ... 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] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/test.rs (/opt/rustwide/target/debug/deps/test-8211b2f7188c4483) [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] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fibonacci-b2cb0d8a702dbd4b) [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 0.01s [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_1_if_n_less_than_4 ... ok [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_of_hanoi-2e330e20a6519dad) [INFO] [stdout] test tests::return_3_if_n_is_5 ... ok [INFO] [stdout] test tests::return_2_if_n_is_4 ... ok [INFO] [stdout] test tests::return_4_if_n_is_8 ... 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] [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" "e0134cdb66bc3aaec87572ee0afc463bbaf0d7093263413d4502183af49c16a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0134cdb66bc3aaec87572ee0afc463bbaf0d7093263413d4502183af49c16a8", kill_on_drop: false }` [INFO] [stdout] e0134cdb66bc3aaec87572ee0afc463bbaf0d7093263413d4502183af49c16a8