[INFO] updating cached repository https://github.com/ifsheldon/RustyOOPatterns
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/ifsheldon/RustyOOPatterns
[INFO] [stderr]    09e9fec..d8731f3  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d8731f39b3b10c4f8f95f109cf9db5e68fc98c20
[INFO] checking ifsheldon/RustyOOPatterns against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66852
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fifsheldon%2FRustyOOPatterns" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ifsheldon/RustyOOPatterns on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ifsheldon/RustyOOPatterns already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4518a40436e6edcdbdd0025a2daae0766359a91710ec232e488cd2c27527cf16
[INFO] running `"docker" "start" "-a" "4518a40436e6edcdbdd0025a2daae0766359a91710ec232e488cd2c27527cf16"`
[INFO] [stderr]     Checking PatternsImpl v0.1.0 (/opt/rustwide/workdir)
[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: 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:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     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: 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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/composite_pattern.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         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:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         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:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         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:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         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:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         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:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         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:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         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:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         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:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         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:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         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:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         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: 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: 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: 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `"docker" "inspect" "4518a40436e6edcdbdd0025a2daae0766359a91710ec232e488cd2c27527cf16"`
[INFO] running `"docker" "rm" "-f" "4518a40436e6edcdbdd0025a2daae0766359a91710ec232e488cd2c27527cf16"`
[INFO] [stdout] 4518a40436e6edcdbdd0025a2daae0766359a91710ec232e488cd2c27527cf16