[INFO] cloning repository https://github.com/lavrxxx/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lavrxxx/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flavrxxx%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flavrxxx%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a357004fee62c49837e3228670e85d50c3b80ba
[INFO] testing lavrxxx/leetcode against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flavrxxx%2Fleetcode" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lavrxxx/leetcode
[INFO] finished tweaking git repo https://github.com/lavrxxx/leetcode
[INFO] tweaked toml for git repo https://github.com/lavrxxx/leetcode written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lavrxxx/leetcode on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lavrxxx/leetcode 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a44e6da981269f487cb233bcd43380333c92f8b74ebf05605a37e88e137ccc06
[INFO] running `Command { std: "docker" "start" "-a" "a44e6da981269f487cb233bcd43380333c92f8b74ebf05605a37e88e137ccc06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a44e6da981269f487cb233bcd43380333c92f8b74ebf05605a37e88e137ccc06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44e6da981269f487cb233bcd43380333c92f8b74ebf05605a37e88e137ccc06", kill_on_drop: false }`
[INFO] [stdout] a44e6da981269f487cb233bcd43380333c92f8b74ebf05605a37e88e137ccc06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1ba15027cbfdd3bdacb1eb9a4d65b6238ca6e51a60bff7fd3c50313fa18726a
[INFO] running `Command { std: "docker" "start" "-a" "b1ba15027cbfdd3bdacb1eb9a4d65b6238ca6e51a60bff7fd3c50313fa18726a", 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 libc v0.2.124
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling dynamic v0.1.0 (/opt/rustwide/workdir/algorithms/dynamic)
[INFO] [stderr]    Compiling selection_sort v0.1.0 (/opt/rustwide/workdir/algorithms/selection_sort)
[INFO] [stderr]    Compiling find_max_size_square_plots v0.1.0 (/opt/rustwide/workdir/algorithms/find_max_size_square_plots)
[INFO] [stderr]    Compiling quicksort v0.1.0 (/opt/rustwide/workdir/algorithms/quicksort)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stdout] warning: trait `Partition` is never used
[INFO] [stdout]  --> algorithms/quicksort/src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Partition {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quicksort` is never used
[INFO] [stdout]   --> algorithms/quicksort/src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn quicksort(mut v: Vec<u128>, asc: bool, partition: Box<dyn Partition>) -> Vec<u128> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hoare` is never constructed
[INFO] [stdout]   --> algorithms/quicksort/src/lib.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Hoare {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lomuto` is never constructed
[INFO] [stdout]   --> algorithms/quicksort/src/lib.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct Lomuto {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quicksort_recursive` is never used
[INFO] [stdout]    --> algorithms/quicksort/src/lib.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn quicksort_recursive(mut v: Vec<u128>, asc: bool) -> Vec<u128> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choose_sub_array` is never used
[INFO] [stdout]    --> algorithms/quicksort/src/lib.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn choose_sub_array(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `swap_force` is never used
[INFO] [stdout]    --> algorithms/quicksort/src/lib.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn swap_force(v: &mut Vec<u128>, i1: usize, i2: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `swap` is never used
[INFO] [stdout]    --> algorithms/quicksort/src/lib.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn swap(v: &mut Vec<u128>, i1: usize, i2: usize, asc: bool) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find` is never used
[INFO] [stdout]  --> algorithms/find_max_size_square_plots/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn find(height: u128, width: u128) -> u128 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Weight` is never used
[INFO] [stdout]  --> algorithms/dynamic/src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Weight = i128;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Price` is never used
[INFO] [stdout]  --> algorithms/dynamic/src/lib.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Price = i128;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Item` is never constructed
[INFO] [stdout]  --> algorithms/dynamic/src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Item {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cell` is never constructed
[INFO] [stdout]   --> algorithms/dynamic/src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Cell {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_knapsack_problem` is never used
[INFO] [stdout]   --> algorithms/dynamic/src/lib.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn run_knapsack_problem(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_common_substring` is never used
[INFO] [stdout]   --> algorithms/dynamic/src/lib.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn longest_common_substring(target: String, variants: Vec<String>) -> Vec<(String, i128)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sum_array v0.1.0 (/opt/rustwide/workdir/algorithms/sum_array)
[INFO] [stdout] warning: type alias `Type` is never used
[INFO] [stdout]  --> algorithms/selection_sort/src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | type Type = u128;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `selection_sort` is never used
[INFO] [stdout]  --> algorithms/selection_sort/src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn selection_sort(mut v: Vec<Type>, asc: bool) -> Vec<Type> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_extremum` is never used
[INFO] [stdout]   --> algorithms/selection_sort/src/lib.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn find_extremum(v: Vec<Type>, asc: bool) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling n_125_valid_palindrome v0.1.0 (/opt/rustwide/workdir/problems/n_125_valid_palindrome)
[INFO] [stderr]    Compiling n_9_palindrome_number v0.1.0 (/opt/rustwide/workdir/problems/n_9_palindrome_number)
[INFO] [stdout] warning: type alias `Type` is never used
[INFO] [stdout]  --> algorithms/sum_array/src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | type Type = i128;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> problems/n_9_palindrome_number/src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_palindrome` is never used
[INFO] [stdout]  --> problems/n_9_palindrome_number/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn is_palindrome(mut x: i32) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_recursive_dc` is never used
[INFO] [stdout]  --> algorithms/sum_array/src/lib.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn sum_recursive_dc(v: Vec<Type>) -> Type {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum` is never used
[INFO] [stdout]   --> algorithms/sum_array/src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn sum(v: Vec<Type>) -> Type {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hash_table v0.1.0 (/opt/rustwide/workdir/algorithms/hash_table)
[INFO] [stderr]    Compiling binary_search v0.1.0 (/opt/rustwide/workdir/algorithms/binary_search)
[INFO] [stdout] warning: constant `SIZE` is never used
[INFO] [stdout]  --> algorithms/hash_table/src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const SIZE: usize = 10;
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HashFn` is never used
[INFO] [stdout]  --> algorithms/hash_table/src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type HashFn = Box<dyn Fn(&str) -> usize>;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DataType` is never used
[INFO] [stdout]  --> algorithms/hash_table/src/lib.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type DataType = &'static str;
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Value` is never constructed
[INFO] [stdout]  --> algorithms/hash_table/src/lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Value {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> algorithms/hash_table/src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Value {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 14 |     fn new(key: &str, data: DataType) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashTable` is never constructed
[INFO] [stdout]   --> algorithms/hash_table/src/lib.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct HashTable {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `get`, `delete`, and `load_factor` are never used
[INFO] [stdout]   --> algorithms/hash_table/src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl HashTable {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 28 |     fn new(hash_fn: HashFn) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn insert(&mut self, key: &str, data: DataType) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn get(&self, key: &str) -> Option<DataType> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn delete(&mut self, key: &str) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn load_factor(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_fn_mod` is never used
[INFO] [stdout]   --> algorithms/hash_table/src/lib.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn hash_fn_mod(data: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> problems/n_125_valid_palindrome/src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_palindrome` and `check_palindrome` are never used
[INFO] [stdout]   --> problems/n_125_valid_palindrome/src/lib.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 6  |     pub fn is_palindrome(str: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn check_palindrome(str: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binary_search` is never used
[INFO] [stdout]  --> algorithms/binary_search/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn binary_search(v: Vec<u128>, target: u128) -> Option<usize> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binary_search_recursive` is never used
[INFO] [stdout]   --> algorithms/binary_search/src/lib.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn binary_search_recursive(v: Vec<u128>, target: u128, start: usize, stop: usize) -> Option<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling greedy v0.1.0 (/opt/rustwide/workdir/algorithms/greedy)
[INFO] [stdout] warning: struct `Class` is never constructed
[INFO] [stdout]  --> algorithms/greedy/src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Class {
[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]   --> algorithms/greedy/src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Class {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(name: &str, start: &str, stop: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `schedule_problem` is never used
[INFO] [stdout]   --> algorithms/greedy/src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn schedule_problem(classes: Vec<Class>) -> Vec<Class> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_covering_problem` is never used
[INFO] [stdout]   --> algorithms/greedy/src/lib.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn set_covering_problem<'a>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `salesperson_problem` is never used
[INFO] [stdout]   --> algorithms/greedy/src/lib.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn salesperson_problem(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> algorithms/greedy/src/lib.rs:63:45
[INFO] [stdout]    |
[INFO] [stdout] 63 |         final_stations.insert(best_station.0.clone());
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/rustwide/workdir/algorithms/graph)
[INFO] [stdout] warning: type alias `NodeName` is never used
[INFO] [stdout]  --> algorithms/graph/src/lib.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type NodeName = String;
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Weight` is never used
[INFO] [stdout]  --> algorithms/graph/src/lib.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Weight = i128;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]  --> algorithms/graph/src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Link<T> = Rc<RefCell<Node<T>>>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Edge` is never used
[INFO] [stdout]  --> algorithms/graph/src/lib.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Edge<T> = (Link<T>, Weight);
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ActResult` is never used
[INFO] [stdout]   --> algorithms/graph/src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum ActResult {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> algorithms/graph/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Node<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_edge`, `traverse_depth_first`, and `traverse_breadth_first` are never used
[INFO] [stdout]   --> algorithms/graph/src/lib.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | / impl<T> Node<T>
[INFO] [stdout] 27 | | where
[INFO] [stdout] 28 | |     T: Clone,
[INFO] [stdout]    | |_____________- associated items in this implementation
[INFO] [stdout] 29 |   {
[INFO] [stdout] 30 |       fn new(name: NodeName, data: T) -> Link<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |       fn add_edge(&mut self, node: Link<T>, weight: Weight) -> &mut Self {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |       fn traverse_depth_first<F>(&self, act: &F, seen: &mut HashSet<NodeName>)
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |       fn traverse_breadth_first<F>(&self, act: &F, seen: &mut HashSet<NodeName>)
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `breadth_first_search` is never used
[INFO] [stdout]   --> algorithms/graph/src/lib.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn breadth_first_search<T>(root: Link<T>, target: &str) -> Option<T>
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_node` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn print_node<T>(node: &Node<T>) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_edge` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn print_edge<T>(edge: &Edge<T>) -> ActResult {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `depth_first_topological_sort` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn depth_first_topological_sort<T>(root: Link<T>) -> VecDeque<Link<T>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visit` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn visit<T>(
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dijkstra` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn dijkstra<T>(root: Link<T>) -> (HashMap<NodeName, Weight>, HashMap<NodeName, Option<Link<T>>>)
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_closest_node` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn find_closest_node<T>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bellman_ford` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:249:4
[INFO] [stdout]     |
[INFO] [stdout] 249 | fn bellman_ford<T>(root: Link<T>) -> (HashMap<NodeName, Weight>, HashMap<NodeName, Option<Link<T>>>)
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `Command { std: "docker" "inspect" "b1ba15027cbfdd3bdacb1eb9a4d65b6238ca6e51a60bff7fd3c50313fa18726a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1ba15027cbfdd3bdacb1eb9a4d65b6238ca6e51a60bff7fd3c50313fa18726a", kill_on_drop: false }`
[INFO] [stdout] b1ba15027cbfdd3bdacb1eb9a4d65b6238ca6e51a60bff7fd3c50313fa18726a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3262519eaa777face49c40d009fafc4bbe03ed2fe44cc190f2e9ba2a4f648d84
[INFO] running `Command { std: "docker" "start" "-a" "3262519eaa777face49c40d009fafc4bbe03ed2fe44cc190f2e9ba2a4f648d84", 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: type alias `NodeName` is never used
[INFO] [stdout]  --> algorithms/graph/src/lib.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type NodeName = String;
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Weight` is never used
[INFO] [stdout]  --> algorithms/graph/src/lib.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Weight = i128;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Link` is never used
[INFO] [stdout]  --> algorithms/graph/src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Link<T> = Rc<RefCell<Node<T>>>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Edge` is never used
[INFO] [stdout]  --> algorithms/graph/src/lib.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Edge<T> = (Link<T>, Weight);
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ActResult` is never used
[INFO] [stdout]   --> algorithms/graph/src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum ActResult {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> algorithms/graph/src/lib.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Node<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_edge`, `traverse_depth_first`, and `traverse_breadth_first` are never used
[INFO] [stdout]   --> algorithms/graph/src/lib.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | / impl<T> Node<T>
[INFO] [stdout] 27 | | where
[INFO] [stdout] 28 | |     T: Clone,
[INFO] [stdout]    | |_____________- associated items in this implementation
[INFO] [stdout] 29 |   {
[INFO] [stdout] 30 |       fn new(name: NodeName, data: T) -> Link<T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |       fn add_edge(&mut self, node: Link<T>, weight: Weight) -> &mut Self {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |       fn traverse_depth_first<F>(&self, act: &F, seen: &mut HashSet<NodeName>)
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |       fn traverse_breadth_first<F>(&self, act: &F, seen: &mut HashSet<NodeName>)
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `breadth_first_search` is never used
[INFO] [stdout]   --> algorithms/graph/src/lib.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn breadth_first_search<T>(root: Link<T>, target: &str) -> Option<T>
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_node` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn print_node<T>(node: &Node<T>) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_edge` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn print_edge<T>(edge: &Edge<T>) -> ActResult {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `depth_first_topological_sort` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn depth_first_topological_sort<T>(root: Link<T>) -> VecDeque<Link<T>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visit` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn visit<T>(
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dijkstra` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:188:4
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn dijkstra<T>(root: Link<T>) -> (HashMap<NodeName, Weight>, HashMap<NodeName, Option<Link<T>>>)
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_closest_node` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn find_closest_node<T>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bellman_ford` is never used
[INFO] [stdout]    --> algorithms/graph/src/lib.rs:249:4
[INFO] [stdout]     |
[INFO] [stdout] 249 | fn bellman_ford<T>(root: Link<T>) -> (HashMap<NodeName, Weight>, HashMap<NodeName, Option<Link<T>>>)
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Class` is never constructed
[INFO] [stdout]  --> algorithms/greedy/src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Class {
[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]   --> algorithms/greedy/src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Class {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(name: &str, start: &str, stop: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `schedule_problem` is never used
[INFO] [stdout]   --> algorithms/greedy/src/lib.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn schedule_problem(classes: Vec<Class>) -> Vec<Class> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_covering_problem` is never used
[INFO] [stdout]   --> algorithms/greedy/src/lib.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn set_covering_problem<'a>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `salesperson_problem` is never used
[INFO] [stdout]   --> algorithms/greedy/src/lib.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn salesperson_problem(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> algorithms/greedy/src/lib.rs:63:45
[INFO] [stdout]    |
[INFO] [stdout] 63 |         final_stations.insert(best_station.0.clone());
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> problems/n_125_valid_palindrome/src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_palindrome` and `check_palindrome` are never used
[INFO] [stdout]   --> problems/n_125_valid_palindrome/src/lib.rs:6:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 6  |     pub fn is_palindrome(str: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn check_palindrome(str: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find` is never used
[INFO] [stdout]  --> algorithms/find_max_size_square_plots/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn find(height: u128, width: u128) -> u128 {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> problems/n_9_palindrome_number/src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_palindrome` is never used
[INFO] [stdout]  --> problems/n_9_palindrome_number/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn is_palindrome(mut x: i32) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Type` is never used
[INFO] [stdout]  --> algorithms/selection_sort/src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | type Type = u128;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `selection_sort` is never used
[INFO] [stdout]  --> algorithms/selection_sort/src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn selection_sort(mut v: Vec<Type>, asc: bool) -> Vec<Type> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_extremum` is never used
[INFO] [stdout]   --> algorithms/selection_sort/src/lib.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn find_extremum(v: Vec<Type>, asc: bool) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Weight` is never used
[INFO] [stdout]  --> algorithms/dynamic/src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Weight = i128;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Price` is never used
[INFO] [stdout]  --> algorithms/dynamic/src/lib.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Price = i128;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Item` is never constructed
[INFO] [stdout]  --> algorithms/dynamic/src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Item {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cell` is never constructed
[INFO] [stdout]   --> algorithms/dynamic/src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Cell {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_knapsack_problem` is never used
[INFO] [stdout]   --> algorithms/dynamic/src/lib.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn run_knapsack_problem(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_common_substring` is never used
[INFO] [stdout]   --> algorithms/dynamic/src/lib.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn longest_common_substring(target: String, variants: Vec<String>) -> Vec<(String, i128)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Partition` is never used
[INFO] [stdout]  --> algorithms/quicksort/src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Partition {
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quicksort` is never used
[INFO] [stdout]   --> algorithms/quicksort/src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn quicksort(mut v: Vec<u128>, asc: bool, partition: Box<dyn Partition>) -> Vec<u128> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hoare` is never constructed
[INFO] [stdout]   --> algorithms/quicksort/src/lib.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Hoare {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lomuto` is never constructed
[INFO] [stdout]   --> algorithms/quicksort/src/lib.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct Lomuto {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quicksort_recursive` is never used
[INFO] [stdout]    --> algorithms/quicksort/src/lib.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn quicksort_recursive(mut v: Vec<u128>, asc: bool) -> Vec<u128> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `choose_sub_array` is never used
[INFO] [stdout]    --> algorithms/quicksort/src/lib.rs:159:4
[INFO] [stdout]     |
[INFO] [stdout] 159 | fn choose_sub_array(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `swap_force` is never used
[INFO] [stdout]    --> algorithms/quicksort/src/lib.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn swap_force(v: &mut Vec<u128>, i1: usize, i2: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `swap` is never used
[INFO] [stdout]    --> algorithms/quicksort/src/lib.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn swap(v: &mut Vec<u128>, i1: usize, i2: usize, asc: bool) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Type` is never used
[INFO] [stdout]  --> algorithms/sum_array/src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | type Type = i128;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_recursive_dc` is never used
[INFO] [stdout]  --> algorithms/sum_array/src/lib.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn sum_recursive_dc(v: Vec<Type>) -> Type {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum` is never used
[INFO] [stdout]   --> algorithms/sum_array/src/lib.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn sum(v: Vec<Type>) -> Type {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binary_search` is never used
[INFO] [stdout]  --> algorithms/binary_search/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn binary_search(v: Vec<u128>, target: u128) -> Option<usize> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binary_search_recursive` is never used
[INFO] [stdout]   --> algorithms/binary_search/src/lib.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn binary_search_recursive(v: Vec<u128>, target: u128, start: usize, stop: usize) -> Option<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZE` is never used
[INFO] [stdout]  --> algorithms/hash_table/src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const SIZE: usize = 10;
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HashFn` is never used
[INFO] [stdout]  --> algorithms/hash_table/src/lib.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type HashFn = Box<dyn Fn(&str) -> usize>;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DataType` is never used
[INFO] [stdout]  --> algorithms/hash_table/src/lib.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type DataType = &'static str;
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Value` is never constructed
[INFO] [stdout]  --> algorithms/hash_table/src/lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Value {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> algorithms/hash_table/src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Value {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 14 |     fn new(key: &str, data: DataType) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashTable` is never constructed
[INFO] [stdout]   --> algorithms/hash_table/src/lib.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct HashTable {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `get`, `delete`, and `load_factor` are never used
[INFO] [stdout]   --> algorithms/hash_table/src/lib.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl HashTable {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 28 |     fn new(hash_fn: HashFn) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn insert(&mut self, key: &str, data: DataType) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn get(&self, key: &str) -> Option<DataType> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn delete(&mut self, key: &str) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn load_factor(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_fn_mod` is never used
[INFO] [stdout]   --> algorithms/hash_table/src/lib.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn hash_fn_mod(data: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling graph v0.1.0 (/opt/rustwide/workdir/algorithms/graph)
[INFO] [stderr]    Compiling greedy v0.1.0 (/opt/rustwide/workdir/algorithms/greedy)
[INFO] [stderr]    Compiling hash_table v0.1.0 (/opt/rustwide/workdir/algorithms/hash_table)
[INFO] [stderr]    Compiling n_9_palindrome_number v0.1.0 (/opt/rustwide/workdir/problems/n_9_palindrome_number)
[INFO] [stderr]    Compiling quicksort v0.1.0 (/opt/rustwide/workdir/algorithms/quicksort)
[INFO] [stderr]    Compiling selection_sort v0.1.0 (/opt/rustwide/workdir/algorithms/selection_sort)
[INFO] [stderr]    Compiling binary_search v0.1.0 (/opt/rustwide/workdir/algorithms/binary_search)
[INFO] [stderr]    Compiling dynamic v0.1.0 (/opt/rustwide/workdir/algorithms/dynamic)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> algorithms/greedy/src/lib.rs:63:45
[INFO] [stdout]    |
[INFO] [stdout] 63 |         final_stations.insert(best_station.0.clone());
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling n_125_valid_palindrome v0.1.0 (/opt/rustwide/workdir/problems/n_125_valid_palindrome)
[INFO] [stderr]    Compiling sum_array v0.1.0 (/opt/rustwide/workdir/algorithms/sum_array)
[INFO] [stderr]    Compiling find_max_size_square_plots v0.1.0 (/opt/rustwide/workdir/algorithms/find_max_size_square_plots)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.02s
[INFO] running `Command { std: "docker" "inspect" "3262519eaa777face49c40d009fafc4bbe03ed2fe44cc190f2e9ba2a4f648d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3262519eaa777face49c40d009fafc4bbe03ed2fe44cc190f2e9ba2a4f648d84", kill_on_drop: false }`
[INFO] [stdout] 3262519eaa777face49c40d009fafc4bbe03ed2fe44cc190f2e9ba2a4f648d84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6dd6c5389defeaaacffdb5d318c0de1c3a2f65de80f4698988ad211d7227e2a2
[INFO] running `Command { std: "docker" "start" "-a" "6dd6c5389defeaaacffdb5d318c0de1c3a2f65de80f4698988ad211d7227e2a2", 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: type alias `Type` is never used
[INFO] [stderr]  --> algorithms/sum_array/src/lib.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | type Type = i128;
[INFO] [stderr]   |      ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `sum_recursive_dc` is never used
[INFO] [stderr]  --> algorithms/sum_array/src/lib.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn sum_recursive_dc(v: Vec<Type>) -> Type {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sum` is never used
[INFO] [stderr]   --> algorithms/sum_array/src/lib.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn sum(v: Vec<Type>) -> Type {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `find` is never used
[INFO] [stderr]  --> algorithms/find_max_size_square_plots/src/lib.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn find(height: u128, width: u128) -> u128 {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> problems/n_125_valid_palindrome/src/lib.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Solution {}
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated functions `is_palindrome` and `check_palindrome` are never used
[INFO] [stderr]   --> problems/n_125_valid_palindrome/src/lib.rs:6:12
[INFO] [stderr]    |
[INFO] [stderr] 5  | impl Solution {
[INFO] [stderr]    | ------------- associated functions in this implementation
[INFO] [stderr] 6  |     pub fn is_palindrome(str: String) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     fn check_palindrome(str: &str) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Weight` is never used
[INFO] [stderr]  --> algorithms/dynamic/src/lib.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type Weight = i128;
[INFO] [stderr]   |      ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Price` is never used
[INFO] [stderr]  --> algorithms/dynamic/src/lib.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Price = i128;
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Item` is never constructed
[INFO] [stderr]  --> algorithms/dynamic/src/lib.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Item {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cell` is never constructed
[INFO] [stderr]   --> algorithms/dynamic/src/lib.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Cell {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run_knapsack_problem` is never used
[INFO] [stderr]   --> algorithms/dynamic/src/lib.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn run_knapsack_problem(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest_common_substring` is never used
[INFO] [stderr]   --> algorithms/dynamic/src/lib.rs:87:4
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn longest_common_substring(target: String, variants: Vec<String>) -> Vec<(String, i128)> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sum_array` (lib) generated 3 warnings
[INFO] [stderr] warning: `find_max_size_square_plots` (lib) generated 1 warning
[INFO] [stderr] warning: `n_125_valid_palindrome` (lib) generated 2 warnings
[INFO] [stderr] warning: `dynamic` (lib) generated 6 warnings
[INFO] [stderr] warning: struct `Solution` is never constructed
[INFO] [stderr]  --> problems/n_9_palindrome_number/src/lib.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Solution {}
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `is_palindrome` is never used
[INFO] [stderr]  --> problems/n_9_palindrome_number/src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | impl Solution {
[INFO] [stderr]   | ------------- associated function in this implementation
[INFO] [stderr] 4 |     pub fn is_palindrome(mut x: i32) -> bool {
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Type` is never used
[INFO] [stderr]  --> algorithms/selection_sort/src/lib.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | type Type = u128;
[INFO] [stderr]   |      ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `selection_sort` is never used
[INFO] [stderr]  --> algorithms/selection_sort/src/lib.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn selection_sort(mut v: Vec<Type>, asc: bool) -> Vec<Type> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_extremum` is never used
[INFO] [stderr]   --> algorithms/selection_sort/src/lib.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn find_extremum(v: Vec<Type>, asc: bool) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SIZE` is never used
[INFO] [stderr]  --> algorithms/hash_table/src/lib.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 | const SIZE: usize = 10;
[INFO] [stderr]   |       ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `HashFn` is never used
[INFO] [stderr]  --> algorithms/hash_table/src/lib.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type HashFn = Box<dyn Fn(&str) -> usize>;
[INFO] [stderr]   |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `DataType` is never used
[INFO] [stderr]  --> algorithms/hash_table/src/lib.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | type DataType = &'static str;
[INFO] [stderr]   |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Value` is never constructed
[INFO] [stderr]  --> algorithms/hash_table/src/lib.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Value {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> algorithms/hash_table/src/lib.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Value {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] 14 |     fn new(key: &str, data: DataType) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HashTable` is never constructed
[INFO] [stderr]   --> algorithms/hash_table/src/lib.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct HashTable {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `insert`, `get`, `delete`, and `load_factor` are never used
[INFO] [stderr]   --> algorithms/hash_table/src/lib.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl HashTable {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 28 |     fn new(hash_fn: HashFn) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     fn insert(&mut self, key: &str, data: DataType) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 |     fn get(&self, key: &str) -> Option<DataType> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     fn delete(&mut self, key: &str) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 72 |     fn load_factor(&self) -> f64 {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `hash_fn_mod` is never used
[INFO] [stderr]   --> algorithms/hash_table/src/lib.rs:84:4
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn hash_fn_mod(data: &str) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Partition` is never used
[INFO] [stderr]  --> algorithms/quicksort/src/lib.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 | trait Partition {
[INFO] [stderr]   |       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `quicksort` is never used
[INFO] [stderr]   --> algorithms/quicksort/src/lib.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn quicksort(mut v: Vec<u128>, asc: bool, partition: Box<dyn Partition>) -> Vec<u128> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Hoare` is never constructed
[INFO] [stderr]   --> algorithms/quicksort/src/lib.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct Hoare {}
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Lomuto` is never constructed
[INFO] [stderr]   --> algorithms/quicksort/src/lib.rs:89:8
[INFO] [stderr]    |
[INFO] [stderr] 89 | struct Lomuto {}
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `quicksort_recursive` is never used
[INFO] [stderr]    --> algorithms/quicksort/src/lib.rs:129:4
[INFO] [stderr]     |
[INFO] [stderr] 129 | fn quicksort_recursive(mut v: Vec<u128>, asc: bool) -> Vec<u128> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `choose_sub_array` is never used
[INFO] [stderr]    --> algorithms/quicksort/src/lib.rs:159:4
[INFO] [stderr]     |
[INFO] [stderr] 159 | fn choose_sub_array(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `swap_force` is never used
[INFO] [stderr]    --> algorithms/quicksort/src/lib.rs:181:4
[INFO] [stderr]     |
[INFO] [stderr] 181 | fn swap_force(v: &mut Vec<u128>, i1: usize, i2: usize) {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `swap` is never used
[INFO] [stderr]    --> algorithms/quicksort/src/lib.rs:187:4
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn swap(v: &mut Vec<u128>, i1: usize, i2: usize, asc: bool) {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `binary_search` is never used
[INFO] [stderr]  --> algorithms/binary_search/src/lib.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn binary_search(v: Vec<u128>, target: u128) -> Option<usize> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `binary_search_recursive` is never used
[INFO] [stderr]   --> algorithms/binary_search/src/lib.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn binary_search_recursive(v: Vec<u128>, target: u128, start: usize, stop: usize) -> Option<usize> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `n_9_palindrome_number` (lib) generated 2 warnings
[INFO] [stderr] warning: `selection_sort` (lib) generated 3 warnings
[INFO] [stderr] warning: `hash_table` (lib) generated 8 warnings
[INFO] [stderr] warning: `quicksort` (lib) generated 8 warnings
[INFO] [stderr] warning: `binary_search` (lib) generated 2 warnings
[INFO] [stderr] warning: type alias `NodeName` is never used
[INFO] [stderr]  --> algorithms/graph/src/lib.rs:5:6
[INFO] [stderr]   |
[INFO] [stderr] 5 | type NodeName = String;
[INFO] [stderr]   |      ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Weight` is never used
[INFO] [stderr]  --> algorithms/graph/src/lib.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | type Weight = i128;
[INFO] [stderr]   |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Link` is never used
[INFO] [stderr]  --> algorithms/graph/src/lib.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | type Link<T> = Rc<RefCell<Node<T>>>;
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Edge` is never used
[INFO] [stderr]  --> algorithms/graph/src/lib.rs:8:6
[INFO] [stderr]   |
[INFO] [stderr] 8 | type Edge<T> = (Link<T>, Weight);
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ActResult` is never used
[INFO] [stderr]   --> algorithms/graph/src/lib.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | enum ActResult {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]   --> algorithms/graph/src/lib.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct Node<T> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `add_edge`, `traverse_depth_first`, and `traverse_breadth_first` are never used
[INFO] [stderr]   --> algorithms/graph/src/lib.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | / impl<T> Node<T>
[INFO] [stderr] 27 | | where
[INFO] [stderr] 28 | |     T: Clone,
[INFO] [stderr]    | |_____________- associated items in this implementation
[INFO] [stderr] 29 |   {
[INFO] [stderr] 30 |       fn new(name: NodeName, data: T) -> Link<T> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |       fn add_edge(&mut self, node: Link<T>, weight: Weight) -> &mut Self {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |       fn traverse_depth_first<F>(&self, act: &F, seen: &mut HashSet<NodeName>)
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 57 |       fn traverse_breadth_first<F>(&self, act: &F, seen: &mut HashSet<NodeName>)
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `breadth_first_search` is never used
[INFO] [stderr]   --> algorithms/graph/src/lib.rs:92:4
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn breadth_first_search<T>(root: Link<T>, target: &str) -> Option<T>
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `print_node` is never used
[INFO] [stderr]    --> algorithms/graph/src/lib.rs:110:4
[INFO] [stderr]     |
[INFO] [stderr] 110 | fn print_node<T>(node: &Node<T>) {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `print_edge` is never used
[INFO] [stderr]    --> algorithms/graph/src/lib.rs:121:4
[INFO] [stderr]     |
[INFO] [stderr] 121 | fn print_edge<T>(edge: &Edge<T>) -> ActResult {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `depth_first_topological_sort` is never used
[INFO] [stderr]    --> algorithms/graph/src/lib.rs:135:4
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn depth_first_topological_sort<T>(root: Link<T>) -> VecDeque<Link<T>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `visit` is never used
[INFO] [stderr]    --> algorithms/graph/src/lib.rs:160:4
[INFO] [stderr]     |
[INFO] [stderr] 160 | fn visit<T>(
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dijkstra` is never used
[INFO] [stderr]    --> algorithms/graph/src/lib.rs:188:4
[INFO] [stderr]     |
[INFO] [stderr] 188 | fn dijkstra<T>(root: Link<T>) -> (HashMap<NodeName, Weight>, HashMap<NodeName, Option<Link<T>>>)
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_closest_node` is never used
[INFO] [stderr]    --> algorithms/graph/src/lib.rs:231:4
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn find_closest_node<T>(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bellman_ford` is never used
[INFO] [stderr]    --> algorithms/graph/src/lib.rs:249:4
[INFO] [stderr]     |
[INFO] [stderr] 249 | fn bellman_ford<T>(root: Link<T>) -> (HashMap<NodeName, Weight>, HashMap<NodeName, Option<Link<T>>>)
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `graph` (lib) generated 15 warnings
[INFO] [stderr] warning: struct `Class` is never constructed
[INFO] [stderr]  --> algorithms/greedy/src/lib.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Class {
[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]   --> algorithms/greedy/src/lib.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Class {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] 13 |     fn new(name: &str, start: &str, stop: &str) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `schedule_problem` is never used
[INFO] [stderr]   --> algorithms/greedy/src/lib.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn schedule_problem(classes: Vec<Class>) -> Vec<Class> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `set_covering_problem` is never used
[INFO] [stderr]   --> algorithms/greedy/src/lib.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn set_covering_problem<'a>(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `salesperson_problem` is never used
[INFO] [stderr]   --> algorithms/greedy/src/lib.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn salesperson_problem(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stderr]   --> algorithms/greedy/src/lib.rs:63:45
[INFO] [stderr]    |
[INFO] [stderr] 63 |         final_stations.insert(best_station.0.clone());
[INFO] [stderr]    |                                             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `greedy` (lib) generated 6 warnings
[INFO] [stderr] warning: `greedy` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/binary_search-6d3e8afb39b7a1e7)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_binary_search ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dynamic-4f0870d3d7624a0b)
[INFO] [stdout] test tests::test_binary_search_recursive ... 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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_lcs ... ok
[INFO] [stdout] test tests::test_knapsack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/find_max_size_square_plots-747153b2ea9dd88a)
[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/graph-dd4b6b32cf07aa72)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_bellman_ford ... ok
[INFO] [stdout] test tests::test_breadth_first_search ... ok
[INFO] [stdout] test tests::test_breadth_first_topology_sort ... ok
[INFO] [stdout] test tests::test_breadth_first_traverse ... ok
[INFO] [stdout] test tests::test_depth_first_traverse ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/greedy-95dd708ef9069b56)
[INFO] [stdout] test tests::test_dijkstra ... ok
[INFO] [stdout] test tests::test_rand ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_salesperson_problem ... ok
[INFO] [stdout] test tests::test_schedule_problem ... ok
[INFO] [stderr] error: test failed, to rerun pass `-p greedy --lib`
[INFO] [stdout] test tests::test_covering_problem ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_covering_problem stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_covering_problem' panicked at algorithms/greedy/src/lib.rs:170:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: {"kfour"}
[INFO] [stdout]  right: {}
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6374848ad762 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6374848ad762 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6374848ad762 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x6374848ad762 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x6374848d29c3 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x6374848d29c3 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x6374848aa943 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6374848aa943 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x6374848ad5b2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x6374848aecdc - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x6374848aeb32 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x6374848713e4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x6374848713e4 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6374848af7bb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x6374848af7bb - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x6374848af48a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x6374848adc69 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x6374848af11d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x6374848d1500 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x6374848d1767 - core::panicking::assert_failed_inner::h02e1528dd7bc6647
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x637484837320 - core::panicking::assert_failed::hac2a016aa9eeee0c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x6374848320b1 - greedy::tests::test_covering_problem::h082970d6d17787e3
[INFO] [stdout]                                at /opt/rustwide/workdir/algorithms/greedy/src/lib.rs:170:9
[INFO] [stdout]   22:     0x6374848339c9 - greedy::tests::test_covering_problem::{{closure}}::h807b42081bf030ea
[INFO] [stdout]                                at /opt/rustwide/workdir/algorithms/greedy/src/lib.rs:155:31
[INFO] [stdout]   23:     0x6374848339c9 - core::ops::function::FnOnce::call_once::h7988a7260f9d9faf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x637484876b6b - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x637484876b6b - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x637484875d5e - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x637484875d5e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x637484875d5e - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x637484875d5e - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x637484875d5e - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x637484875d5e - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x637484875d5e - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x6374848398d4 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x6374848398d4 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x63748483d2aa - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x63748483d2aa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x63748483d2aa - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x63748483d2aa - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x63748483d2aa - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x63748483d2aa - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x63748483d2aa - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x6374848b2717 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x6374848b2717 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x6374848b2717 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7c0e9b0aaaa4 - <unknown>
[INFO] [stdout]   46:     0x7c0e9b137a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_covering_problem
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6dd6c5389defeaaacffdb5d318c0de1c3a2f65de80f4698988ad211d7227e2a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd6c5389defeaaacffdb5d318c0de1c3a2f65de80f4698988ad211d7227e2a2", kill_on_drop: false }`
[INFO] [stdout] 6dd6c5389defeaaacffdb5d318c0de1c3a2f65de80f4698988ad211d7227e2a2
