[INFO] cloning repository https://github.com/telumo/rust_design_pattern
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/telumo/rust_design_pattern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftelumo%2Frust_design_pattern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftelumo%2Frust_design_pattern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69ab7adc8ae2934229f42fa72a2f9ac80a7fbf17
[INFO] checking telumo/rust_design_pattern against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftelumo%2Frust_design_pattern" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/telumo/rust_design_pattern
[INFO] finished tweaking git repo https://github.com/telumo/rust_design_pattern
[INFO] tweaked toml for git repo https://github.com/telumo/rust_design_pattern written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/telumo/rust_design_pattern on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/telumo/rust_design_pattern 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 788a0e02584c8ed4b7895796106af669a0c1af798cab97813224b2cf2d56f7ac
[INFO] running `Command { std: "docker" "start" "-a" "788a0e02584c8ed4b7895796106af669a0c1af798cab97813224b2cf2d56f7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "788a0e02584c8ed4b7895796106af669a0c1af798cab97813224b2cf2d56f7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788a0e02584c8ed4b7895796106af669a0c1af798cab97813224b2cf2d56f7ac", kill_on_drop: false }`
[INFO] [stdout] 788a0e02584c8ed4b7895796106af669a0c1af798cab97813224b2cf2d56f7ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9f29b6c1c343462048a191bcd2fcd1266d4b38d62bffe0a780a7f0e38da4d94
[INFO] running `Command { std: "docker" "start" "-a" "c9f29b6c1c343462048a191bcd2fcd1266d4b38d62bffe0a780a7f0e38da4d94", kill_on_drop: false }`
[INFO] [stderr]     Checking design_pattern v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Banner` is never constructed
[INFO] [stdout]  --> src/adapter/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Banner {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `show_with_paren`, and `show_with_aster` are never used
[INFO] [stdout]   --> src/adapter/mod.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Banner {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  7 |     fn new(string: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn show_with_paren(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn show_with_aster(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Print` is never used
[INFO] [stdout]   --> src/adapter/mod.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait Print {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrintBanner` is never constructed
[INFO] [stdout]   --> src/adapter/mod.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct PrintBanner {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/adapter/mod.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl PrintBanner {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 30 |     fn new(string: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/adapter/mod.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_all` is never used
[INFO] [stdout]   --> src/adapter/mod.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn print_all<T: Print>(p: T) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Product` is never used
[INFO] [stdout]  --> src/factory_method/mod.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Product {
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Factory` is never used
[INFO] [stdout]  --> src/factory_method/mod.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait Factory<Item: Product> {
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IDCard` is never constructed
[INFO] [stdout]   --> src/factory_method/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct IDCard {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_owner` are never used
[INFO] [stdout]   --> src/factory_method/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl IDCard {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 27 |     fn new(owner: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn get_owner(&self) -> &String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IDCardFactory` is never constructed
[INFO] [stdout]   --> src/factory_method/mod.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct IDCardFactory {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_owners` are never used
[INFO] [stdout]   --> src/factory_method/mod.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl IDCardFactory {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 46 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn get_owners(&mut self) -> &Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/factory_method/mod.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Book` is never constructed
[INFO] [stdout]  --> src/iterator/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Book {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_name` are never used
[INFO] [stdout]   --> src/iterator/mod.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Book {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout]  7 |     fn new(name: impl Into<String>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn get_name(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Iterator` is never used
[INFO] [stdout]   --> src/iterator/mod.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait Iterator {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Aggregate` is never used
[INFO] [stdout]   --> src/iterator/mod.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | trait Aggregate {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BookShelfIterator` is never constructed
[INFO] [stdout]   --> src/iterator/mod.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct BookShelfIterator {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/iterator/mod.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl BookShelfIterator {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 35 |     fn new(book_shelf: BookShelf) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BookShelf` is never constructed
[INFO] [stdout]   --> src/iterator/mod.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct BookShelf {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_book_at`, `append_book`, and `get_length` are never used
[INFO] [stdout]   --> src/iterator/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl BookShelf {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 63 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn get_book_at(&self, index: usize) -> Book {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn append_book(&mut self, book: Book) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn get_length(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/iterator/mod.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `operate` is never used
[INFO] [stdout]  --> src/prototype/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Product {
[INFO] [stdout]   |       ------- method in this trait
[INFO] [stdout] 6 |     fn operate(&self, s: String);
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Manager` is never constructed
[INFO] [stdout]   --> src/prototype/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Manager {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `register`, and `create` are never used
[INFO] [stdout]   --> src/prototype/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Manager {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 21 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn register(&mut self, name: String, proto: Box<dyn Product>) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn create(&self, protoname: String) -> Option<Box<dyn Product>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageBox` is never constructed
[INFO] [stdout]   --> src/prototype/mod.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct MessageBox {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/prototype/mod.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl MessageBox {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 47 |     fn new(decochar: char) -> Box<MessageBox> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnderlinePen` is never constructed
[INFO] [stdout]   --> src/prototype/mod.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct UnderlinePen {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/prototype/mod.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl UnderlinePen {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 76 |     fn new(ulchar: char) -> Box<UnderlinePen> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/prototype/mod.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/singleton/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AbstractDisplay` is never used
[INFO] [stdout]  --> src/template_method/mod.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait AbstractDisplay {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PrintLine` is never used
[INFO] [stdout]   --> src/template_method/mod.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | trait PrintLine {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/template_method/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Banner` is never constructed
[INFO] [stdout]  --> src/adapter/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Banner {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `show_with_paren`, and `show_with_aster` are never used
[INFO] [stdout]   --> src/adapter/mod.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Banner {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  7 |     fn new(string: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn show_with_paren(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn show_with_aster(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Print` is never used
[INFO] [stdout]   --> src/adapter/mod.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait Print {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrintBanner` is never constructed
[INFO] [stdout]   --> src/adapter/mod.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct PrintBanner {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/adapter/mod.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl PrintBanner {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 30 |     fn new(string: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/adapter/mod.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_all` is never used
[INFO] [stdout]   --> src/adapter/mod.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn print_all<T: Print>(p: T) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Product` is never used
[INFO] [stdout]  --> src/factory_method/mod.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait Product {
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Factory` is never used
[INFO] [stdout]  --> src/factory_method/mod.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | trait Factory<Item: Product> {
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IDCard` is never constructed
[INFO] [stdout]   --> src/factory_method/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct IDCard {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_owner` are never used
[INFO] [stdout]   --> src/factory_method/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl IDCard {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 27 |     fn new(owner: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn get_owner(&self) -> &String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IDCardFactory` is never constructed
[INFO] [stdout]   --> src/factory_method/mod.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct IDCardFactory {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_owners` are never used
[INFO] [stdout]   --> src/factory_method/mod.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl IDCardFactory {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 46 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn get_owners(&mut self) -> &Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/factory_method/mod.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Iterator` is never used
[INFO] [stdout]   --> src/iterator/mod.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | trait Iterator {
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Aggregate` is never used
[INFO] [stdout]   --> src/iterator/mod.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | trait Aggregate {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BookShelfIterator` is never constructed
[INFO] [stdout]   --> src/iterator/mod.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct BookShelfIterator {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/iterator/mod.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl BookShelfIterator {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 35 |     fn new(book_shelf: BookShelf) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/iterator/mod.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `operate` is never used
[INFO] [stdout]  --> src/prototype/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Product {
[INFO] [stdout]   |       ------- method in this trait
[INFO] [stdout] 6 |     fn operate(&self, s: String);
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Manager` is never constructed
[INFO] [stdout]   --> src/prototype/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Manager {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `register`, and `create` are never used
[INFO] [stdout]   --> src/prototype/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Manager {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 21 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn register(&mut self, name: String, proto: Box<dyn Product>) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn create(&self, protoname: String) -> Option<Box<dyn Product>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MessageBox` is never constructed
[INFO] [stdout]   --> src/prototype/mod.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct MessageBox {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/prototype/mod.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl MessageBox {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 47 |     fn new(decochar: char) -> Box<MessageBox> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnderlinePen` is never constructed
[INFO] [stdout]   --> src/prototype/mod.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | struct UnderlinePen {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/prototype/mod.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl UnderlinePen {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 76 |     fn new(ulchar: char) -> Box<UnderlinePen> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/prototype/mod.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/singleton/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AbstractDisplay` is never used
[INFO] [stdout]  --> src/template_method/mod.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait AbstractDisplay {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PrintLine` is never used
[INFO] [stdout]   --> src/template_method/mod.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | trait PrintLine {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]   --> src/template_method/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "c9f29b6c1c343462048a191bcd2fcd1266d4b38d62bffe0a780a7f0e38da4d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f29b6c1c343462048a191bcd2fcd1266d4b38d62bffe0a780a7f0e38da4d94", kill_on_drop: false }`
[INFO] [stdout] c9f29b6c1c343462048a191bcd2fcd1266d4b38d62bffe0a780a7f0e38da4d94
