[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] 1f9558e088f23becac0024c9a6aceb8f6b0ea4a0
[INFO] testing ifsheldon/RustyOOPatterns against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifsheldon%2FRustyOOPatterns" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ifsheldon/RustyOOPatterns on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ifsheldon/RustyOOPatterns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 397ddbbbe62332a17718b482ed79dea24bb4a397fee130f0a2853da9237ac5eb
[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" "397ddbbbe62332a17718b482ed79dea24bb4a397fee130f0a2853da9237ac5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "397ddbbbe62332a17718b482ed79dea24bb4a397fee130f0a2853da9237ac5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397ddbbbe62332a17718b482ed79dea24bb4a397fee130f0a2853da9237ac5eb", kill_on_drop: false }`
[INFO] [stdout] 397ddbbbe62332a17718b482ed79dea24bb4a397fee130f0a2853da9237ac5eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b08d80c24a522da93cad47c7b9c96259905621de113333b99499b7acd05d7664
[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" "b08d80c24a522da93cad47c7b9c96259905621de113333b99499b7acd05d7664", 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 1.61s
[INFO] running `Command { std: "docker" "inspect" "b08d80c24a522da93cad47c7b9c96259905621de113333b99499b7acd05d7664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08d80c24a522da93cad47c7b9c96259905621de113333b99499b7acd05d7664", kill_on_drop: false }`
[INFO] [stdout] b08d80c24a522da93cad47c7b9c96259905621de113333b99499b7acd05d7664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c9a0a92fe996c75e18e0c7968608e622359db97e59df9d2ff70d92b6a8f326d
[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" "6c9a0a92fe996c75e18e0c7968608e622359db97e59df9d2ff70d92b6a8f326d", kill_on_drop: false }`
[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] [stderr]    Compiling PatternsImpl v0.1.0 (/opt/rustwide/workdir)
[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: 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] 
[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] 
[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: `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: 5 warnings emitted
[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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "6c9a0a92fe996c75e18e0c7968608e622359db97e59df9d2ff70d92b6a8f326d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9a0a92fe996c75e18e0c7968608e622359db97e59df9d2ff70d92b6a8f326d", kill_on_drop: false }`
[INFO] [stdout] 6c9a0a92fe996c75e18e0c7968608e622359db97e59df9d2ff70d92b6a8f326d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f01ba7d6029f58aca9be4b7602469ae3ef6728a37ff5fb4d30a8808829bfc941
[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" "f01ba7d6029f58aca9be4b7602469ae3ef6728a37ff5fb4d30a8808829bfc941", kill_on_drop: false }`
[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] 
[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] 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: 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: 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: 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: 3 warnings emitted
[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: unused `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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 `std::result::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: 18 warnings emitted
[INFO] [stderr] 
[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: 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: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/PatternsImpl-c15fae49df0c8dd0
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test adapter_pattern::adapter_pattern_test::run ... ok
[INFO] [stdout] test command_pattern::command_pattern_test::cptest ... ok
[INFO] [stdout] test builder_pattern::builder_pattern_test::test_run ... ok
[INFO] [stdout] test observer_pattern::observer_pattern_test::test ... ok
[INFO] [stdout] test state_pattern::test::test_relaxed_version ... ok
[INFO] [stdout] test state_pattern::test::test_version_in_book ... ok
[INFO] [stdout] test iterator_pattern::iter_test::test_run ... ok
[INFO] [stdout] test factory_pattern::factory_pattern_test::test_run ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/PatternsImpl-734521ff9f10d33f
[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 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
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f01ba7d6029f58aca9be4b7602469ae3ef6728a37ff5fb4d30a8808829bfc941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01ba7d6029f58aca9be4b7602469ae3ef6728a37ff5fb4d30a8808829bfc941", kill_on_drop: false }`
[INFO] [stdout] f01ba7d6029f58aca9be4b7602469ae3ef6728a37ff5fb4d30a8808829bfc941