[INFO] cloning repository https://github.com/ctroy978/octo-solitair
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctroy978/octo-solitair" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctroy978%2Focto-solitair", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctroy978%2Focto-solitair'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c8d8301626c10a655b05bfbbd532ea717aa8b39
[INFO] testing ctroy978/octo-solitair against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctroy978%2Focto-solitair" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ctroy978/octo-solitair on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ctroy978/octo-solitair
[INFO] finished tweaking git repo https://github.com/ctroy978/octo-solitair
[INFO] tweaked toml for git repo https://github.com/ctroy978/octo-solitair written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ctroy978/octo-solitair already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e183f6752ad81e7c1ee8ab26941d0b905f5d840cb2fa692ff1dba2e7a12e3ac0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e183f6752ad81e7c1ee8ab26941d0b905f5d840cb2fa692ff1dba2e7a12e3ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e183f6752ad81e7c1ee8ab26941d0b905f5d840cb2fa692ff1dba2e7a12e3ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e183f6752ad81e7c1ee8ab26941d0b905f5d840cb2fa692ff1dba2e7a12e3ac0", kill_on_drop: false }`
[INFO] [stdout] e183f6752ad81e7c1ee8ab26941d0b905f5d840cb2fa692ff1dba2e7a12e3ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba4e5c32163543aaf4428005e01ca8124468042ae2b2bb82f4f266cdcb915db1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba4e5c32163543aaf4428005e01ca8124468042ae2b2bb82f4f266cdcb915db1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling cards v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::card_deck::structs::card::Card`
[INFO] [stdout]  --> src/go_fish/structs/player.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::card_deck::structs::card::Card;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::card_deck::structs::card::Card`
[INFO] [stdout]  --> src/go_fish/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::card_deck::structs::card::Card;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/card_deck/structs/hand.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Some(v) => true,
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/card_deck/structs/hand.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for (key, value) in &self.hand{
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut h1 = card_deck::hand_factory();
[INFO] [stdout]   |         ----^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_greater_rank`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn is_greater_rank(&self, other: &Card) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_equal_rank`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn is_equal_rank(&self, other: &Card) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_equal_suit`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn is_equal_suit(&self, other: &Card) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_suit`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn get_suit(&self) -> Suit{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wrap_some`
[INFO] [stdout]   --> src/card_deck/structs/deck.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn wrap_some<T>(value: T) -> Option<T>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shuffle_deck`
[INFO] [stdout]   --> src/card_deck/structs/deck.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn shuffle_deck(&mut self){
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_card`
[INFO] [stdout]   --> src/card_deck/structs/deck.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn insert_card(&mut self, card: Card){
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.44s
[INFO] running `Command { std: "docker" "inspect" "ba4e5c32163543aaf4428005e01ca8124468042ae2b2bb82f4f266cdcb915db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba4e5c32163543aaf4428005e01ca8124468042ae2b2bb82f4f266cdcb915db1", kill_on_drop: false }`
[INFO] [stdout] ba4e5c32163543aaf4428005e01ca8124468042ae2b2bb82f4f266cdcb915db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3067a7cae9c9311461e1e3bb43144f3a9ff3bc016caebc7e3c23fb85d221b436
[INFO] running `Command { std: "docker" "start" "-a" "3067a7cae9c9311461e1e3bb43144f3a9ff3bc016caebc7e3c23fb85d221b436", kill_on_drop: false }`
[INFO] [stderr]    Compiling cards v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::card_deck::structs::card::Card`
[INFO] [stdout]  --> src/go_fish/structs/player.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::card_deck::structs::card::Card;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::card_deck::structs::card::Card`
[INFO] [stdout]  --> src/go_fish/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::card_deck::structs::card::Card;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/card_deck/structs/hand.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Some(v) => true,
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/card_deck/structs/hand.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for (key, value) in &self.hand{
[INFO] [stdout]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut h1 = card_deck::hand_factory();
[INFO] [stdout]   |         ----^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_greater_rank`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn is_greater_rank(&self, other: &Card) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_equal_rank`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn is_equal_rank(&self, other: &Card) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_equal_suit`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn is_equal_suit(&self, other: &Card) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_suit`
[INFO] [stdout]   --> src/card_deck/structs/card.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn get_suit(&self) -> Suit{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `wrap_some`
[INFO] [stdout]   --> src/card_deck/structs/deck.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn wrap_some<T>(value: T) -> Option<T>{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shuffle_deck`
[INFO] [stdout]   --> src/card_deck/structs/deck.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn shuffle_deck(&mut self){
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert_card`
[INFO] [stdout]   --> src/card_deck/structs/deck.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn insert_card(&mut self, card: Card){
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "3067a7cae9c9311461e1e3bb43144f3a9ff3bc016caebc7e3c23fb85d221b436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3067a7cae9c9311461e1e3bb43144f3a9ff3bc016caebc7e3c23fb85d221b436", kill_on_drop: false }`
[INFO] [stdout] 3067a7cae9c9311461e1e3bb43144f3a9ff3bc016caebc7e3c23fb85d221b436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb451b33f4b36219ab496e92d5b5c2b026675bea6e800d4ba8983675599f9fc4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bb451b33f4b36219ab496e92d5b5c2b026675bea6e800d4ba8983675599f9fc4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `crate::card_deck::structs::card::Card`
[INFO] [stderr]  --> src/go_fish/structs/player.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::card_deck::structs::card::Card;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::card_deck::structs::card::Card`
[INFO] [stderr]  --> src/go_fish/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::card_deck::structs::card::Card;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/card_deck/structs/hand.rs:40:18
[INFO] [stderr]    |
[INFO] [stderr] 40 |             Some(v) => true,
[INFO] [stderr]    |                  ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/card_deck/structs/hand.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |         for (key, value) in &self.hand{
[INFO] [stderr]    |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut h1 = card_deck::hand_factory();
[INFO] [stderr]   |         ----^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_greater_rank`
[INFO] [stderr]   --> src/card_deck/structs/card.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn is_greater_rank(&self, other: &Card) -> bool{
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_equal_rank`
[INFO] [stderr]   --> src/card_deck/structs/card.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn is_equal_rank(&self, other: &Card) -> bool{
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_equal_suit`
[INFO] [stderr]   --> src/card_deck/structs/card.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn is_equal_suit(&self, other: &Card) -> bool{
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_suit`
[INFO] [stderr]   --> src/card_deck/structs/card.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn get_suit(&self) -> Suit{
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `wrap_some`
[INFO] [stderr]   --> src/card_deck/structs/deck.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn wrap_some<T>(value: T) -> Option<T>{
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `shuffle_deck`
[INFO] [stderr]   --> src/card_deck/structs/deck.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub fn shuffle_deck(&mut self){
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert_card`
[INFO] [stderr]   --> src/card_deck/structs/deck.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn insert_card(&mut self, card: Card){
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cards` (bin "cards" test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cards-e7b53beb0a48d6e0)
[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" "bb451b33f4b36219ab496e92d5b5c2b026675bea6e800d4ba8983675599f9fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb451b33f4b36219ab496e92d5b5c2b026675bea6e800d4ba8983675599f9fc4", kill_on_drop: false }`
[INFO] [stdout] bb451b33f4b36219ab496e92d5b5c2b026675bea6e800d4ba8983675599f9fc4