[INFO] cloning repository https://github.com/ifsheldon/RustyOOPatterns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ifsheldon/RustyOOPatterns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifsheldon%2FRustyOOPatterns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifsheldon%2FRustyOOPatterns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9d9429b3ce291311194b2a0e98b22e7030d4731
[INFO] testing ifsheldon/RustyOOPatterns against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifsheldon%2FRustyOOPatterns" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ifsheldon/RustyOOPatterns on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ifsheldon/RustyOOPatterns
[INFO] finished tweaking git repo https://github.com/ifsheldon/RustyOOPatterns
[INFO] tweaked toml for git repo https://github.com/ifsheldon/RustyOOPatterns written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 00e6461f73154fdb624772a6ddc7923c6730e18940dfbbbaa39a169364a3e891
[INFO] running `Command { std: "docker" "start" "-a" "00e6461f73154fdb624772a6ddc7923c6730e18940dfbbbaa39a169364a3e891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00e6461f73154fdb624772a6ddc7923c6730e18940dfbbbaa39a169364a3e891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e6461f73154fdb624772a6ddc7923c6730e18940dfbbbaa39a169364a3e891", kill_on_drop: false }`
[INFO] [stdout] 00e6461f73154fdb624772a6ddc7923c6730e18940dfbbbaa39a169364a3e891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db89d7284ce59666987cc742a54005527fef1a566863959103b8f7d63d820583
[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" "db89d7284ce59666987cc742a54005527fef1a566863959103b8f7d63d820583", kill_on_drop: false }`
[INFO] [stderr]    Compiling PatternsImpl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `need_to_be_implemented`
[INFO] [stdout]  --> src/singleton_pattern.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn need_to_be_implemented()
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `PatternsImpl` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `patterns_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_IT_staff` should have a snake case name
[INFO] [stdout]    --> src/factory_pattern/simple_factory.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn create_IT_staff(kind: ITStaffKind) -> Box<dyn ITStaff>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `create_it_staff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PatternsImpl::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use PatternsImpl::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Add`
[INFO] [stdout]   --> src/main.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::{Add, AddAssign};
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]   --> src/main.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `PatternsImpl` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `patterns_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "db89d7284ce59666987cc742a54005527fef1a566863959103b8f7d63d820583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db89d7284ce59666987cc742a54005527fef1a566863959103b8f7d63d820583", kill_on_drop: false }`
[INFO] [stdout] db89d7284ce59666987cc742a54005527fef1a566863959103b8f7d63d820583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b9b449b97cebb6c801a2cac3ec1614e01ae56bc00fd1c96c997385c8fca60e3
[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" "5b9b449b97cebb6c801a2cac3ec1614e01ae56bc00fd1c96c997385c8fca60e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling PatternsImpl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `need_to_be_implemented`
[INFO] [stdout]  --> src/singleton_pattern.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn need_to_be_implemented()
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `PatternsImpl` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `patterns_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_IT_staff` should have a snake case name
[INFO] [stdout]    --> src/factory_pattern/simple_factory.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn create_IT_staff(kind: ITStaffKind) -> Box<dyn ITStaff>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `create_it_staff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/decorator_pattern.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/decorator_pattern.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub mod decorator_pattern_test
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/composite_pattern.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/composite_pattern.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub mod composite_pattern_test
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/state_pattern.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PatternsImpl::*`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use PatternsImpl::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Add`
[INFO] [stdout]   --> src/main.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::{Add, AddAssign};
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]   --> src/main.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `PatternsImpl` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `patterns_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::template_method_pattern::strict_version::AsCaffeineBeverage`
[INFO] [stdout]   --> src/template_method_pattern.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     use crate::template_method_pattern::strict_version::AsCaffeineBeverage;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `need_to_be_implemented`
[INFO] [stdout]  --> src/singleton_pattern.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn need_to_be_implemented()
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `PatternsImpl` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `patterns_impl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `create_IT_staff` should have a snake case name
[INFO] [stdout]    --> src/factory_pattern/simple_factory.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn create_IT_staff(kind: ITStaffKind) -> Box<dyn ITStaff>
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `create_it_staff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/composite_pattern.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         dessert_menu.add_component(Box::new(MenuItem::new(String::from("Banana pie"), String::from("Banana Pie"), true, 1.59)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/composite_pattern.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         dessert_menu.add_component(Box::new(MenuItem::new(String::from("Apple pie"), String::from("Apple Pie"), true, 1.59)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/composite_pattern.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | ...   diner_menu.add_component(Box::new(MenuItem::new(String::from("pasta"), String::from("Spaghetti with Marinara Source"), true, 3.89)));
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/composite_pattern.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         diner_menu.add_component(dessert_menu);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/composite_pattern.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...   special_pancake_menu.add_component(Box::new(MenuItem::new(String::from("Special Pancake"), String::from("Egg, Tea, Ice Cream"), false, 3.00)));
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/composite_pattern.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 | ...   pancake_house_menu.add_component(Box::new(MenuItem::new(String::from("Special Breakfast"), String::from("Egg, Tea, Ice Cream"), false, 3.00)));
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/composite_pattern.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         pancake_house_menu.add_component(special_pancake_menu);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/composite_pattern.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         cafe_menu.add_component(Box::new(MenuItem::new(String::from("Burger"), String::from("Hamburger"), false, 0.89)));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/composite_pattern.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         all_menu.add_component(pancake_house_menu);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/composite_pattern.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         all_menu.add_component(diner_menu);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/composite_pattern.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         all_menu.add_component(cafe_menu);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "5b9b449b97cebb6c801a2cac3ec1614e01ae56bc00fd1c96c997385c8fca60e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9b449b97cebb6c801a2cac3ec1614e01ae56bc00fd1c96c997385c8fca60e3", kill_on_drop: false }`
[INFO] [stdout] 5b9b449b97cebb6c801a2cac3ec1614e01ae56bc00fd1c96c997385c8fca60e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 854b04e5fd825d226106a3f5ac222129d36285b17aa455b72a20784c543ae4cc
[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" "854b04e5fd825d226106a3f5ac222129d36285b17aa455b72a20784c543ae4cc", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `need_to_be_implemented`
[INFO] [stderr]  --> src/singleton_pattern.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn need_to_be_implemented()
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `PatternsImpl` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `patterns_impl`
[INFO] [stderr] 
[INFO] [stderr] warning: method `create_IT_staff` should have a snake case name
[INFO] [stderr]    --> src/factory_pattern/simple_factory.rs:102:12
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn create_IT_staff(kind: ITStaffKind) -> Box<dyn ITStaff>
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `create_it_staff`
[INFO] [stderr] 
[INFO] [stderr] warning: `PatternsImpl` (lib) generated 3 warnings
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/decorator_pattern.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/decorator_pattern.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub mod decorator_pattern_test
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/composite_pattern.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/composite_pattern.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub mod composite_pattern_test
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/state_pattern.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::template_method_pattern::strict_version::AsCaffeineBeverage`
[INFO] [stderr]   --> src/template_method_pattern.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     use crate::template_method_pattern::strict_version::AsCaffeineBeverage;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/composite_pattern.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         dessert_menu.add_component(Box::new(MenuItem::new(String::from("Banana pie"), String::from("Banana Pie"), true, 1.59)));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/composite_pattern.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         dessert_menu.add_component(Box::new(MenuItem::new(String::from("Apple pie"), String::from("Apple Pie"), true, 1.59)));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/composite_pattern.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 | ...   diner_menu.add_component(Box::new(MenuItem::new(String::from("pasta"), String::from("Spaghetti with Marinara Source"), true, 3.89)));
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/composite_pattern.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         diner_menu.add_component(dessert_menu);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/composite_pattern.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 | ...   special_pancake_menu.add_component(Box::new(MenuItem::new(String::from("Special Pancake"), String::from("Egg, Tea, Ice Cream"), false, 3.00)));
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/composite_pattern.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 | ...   pancake_house_menu.add_component(Box::new(MenuItem::new(String::from("Special Breakfast"), String::from("Egg, Tea, Ice Cream"), false, 3.00)));
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/composite_pattern.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         pancake_house_menu.add_component(special_pancake_menu);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/composite_pattern.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         cafe_menu.add_component(Box::new(MenuItem::new(String::from("Burger"), String::from("Hamburger"), false, 0.89)));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/composite_pattern.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         all_menu.add_component(pancake_house_menu);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/composite_pattern.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         all_menu.add_component(diner_menu);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/composite_pattern.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         all_menu.add_component(cafe_menu);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `PatternsImpl` (lib test) generated 18 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `PatternsImpl::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use PatternsImpl::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Add`
[INFO] [stderr]   --> src/main.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ops::{Add, AddAssign};
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::sync::Arc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BorrowMut`
[INFO] [stderr]   --> src/main.rs:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stderr]    |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `PatternsImpl` (bin "PatternsImpl" test) generated 5 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/PatternsImpl-479d554273b81bb7)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test adapter_pattern::adapter_pattern_test::run ... ok
[INFO] [stdout] test iterator_pattern::iter_test::test_run ... ok
[INFO] [stdout] test state_pattern::test::test_version_in_book ... ok
[INFO] [stdout] test strategy_pattern::strategy_pattern_tests::test ... ok
[INFO] [stdout] test template_method_pattern::template_method_pattern_test::test_relaxed_version ... ok
[INFO] [stdout] test template_method_pattern::template_method_pattern_test::test_strict_version ... ok
[INFO] [stdout] test command_pattern::command_pattern_test::cptest ... ok
[INFO] [stdout] test factory_pattern::factory_pattern_test::test_run ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/PatternsImpl-7ff9414e840ec05a)
[INFO] [stdout] test builder_pattern::builder_pattern_test::test_run ... ok
[INFO] [stdout] test state_pattern::test::test_relaxed_version ... ok
[INFO] [stdout] test observer_pattern::observer_pattern_test::test ... ok
[INFO] [stdout] test composite_pattern::composite_pattern_test::test ... ok
[INFO] [stdout] test decorator_pattern::decorator_pattern_test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests PatternsImpl
[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] [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" "854b04e5fd825d226106a3f5ac222129d36285b17aa455b72a20784c543ae4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "854b04e5fd825d226106a3f5ac222129d36285b17aa455b72a20784c543ae4cc", kill_on_drop: false }`
[INFO] [stdout] 854b04e5fd825d226106a3f5ac222129d36285b17aa455b72a20784c543ae4cc