[INFO] cloning repository https://github.com/LegendSaber/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/LegendSaber/design_pattern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegendSaber%2Fdesign_pattern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegendSaber%2Fdesign_pattern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7221ae7258c5fb75ca03517dd824021ad855fb77
[INFO] testing LegendSaber/design_pattern against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLegendSaber%2Fdesign_pattern" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LegendSaber/design_pattern on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LegendSaber/design_pattern
[INFO] finished tweaking git repo https://github.com/LegendSaber/design_pattern
[INFO] tweaked toml for git repo https://github.com/LegendSaber/design_pattern written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LegendSaber/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" "+beta-2025-04-13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 580d9c662f4696ac35086171aa536913c0af6a58bdc4d6ebbc61a72cdde35306
[INFO] running `Command { std: "docker" "start" "-a" "580d9c662f4696ac35086171aa536913c0af6a58bdc4d6ebbc61a72cdde35306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "580d9c662f4696ac35086171aa536913c0af6a58bdc4d6ebbc61a72cdde35306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580d9c662f4696ac35086171aa536913c0af6a58bdc4d6ebbc61a72cdde35306", kill_on_drop: false }`
[INFO] [stdout] 580d9c662f4696ac35086171aa536913c0af6a58bdc4d6ebbc61a72cdde35306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5826ed63f4e219c607d55f05e6cec942ab2987f060e751345b4b787ea7f0e129
[INFO] running `Command { std: "docker" "start" "-a" "5826ed63f4e219c607d55f05e6cec942ab2987f060e751345b4b787ea7f0e129", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling proxy_pattern v0.1.0 (/opt/rustwide/workdir/proxy_pattern)
[INFO] [stderr]    Compiling command_pattern v0.1.0 (/opt/rustwide/workdir/command_pattern)
[INFO] [stderr]    Compiling singleton_pattern v0.1.0 (/opt/rustwide/workdir/singleton_pattern)
[INFO] [stderr]    Compiling state_pattern v0.1.0 (/opt/rustwide/workdir/state_pattern)
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> singleton_pattern/src/single_object.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |             if INSTANCE.is_none() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> singleton_pattern/src/single_object.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             INSTANCE.as_ref().unwrap()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bridge_pattern v0.1.0 (/opt/rustwide/workdir/bridge_pattern)
[INFO] [stderr]    Compiling strategy_pattern v0.1.0 (/opt/rustwide/workdir/strategy_pattern)
[INFO] [stderr]    Compiling memento_pattern v0.1.0 (/opt/rustwide/workdir/memento_pattern)
[INFO] [stderr]    Compiling factory_pattern v0.1.0 (/opt/rustwide/workdir/factory_pattern)
[INFO] [stderr]    Compiling chain_of_responsibility_pattern v0.1.0 (/opt/rustwide/workdir/chain_of_responsibility_pattern)
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling builder_pattern v0.1.0 (/opt/rustwide/workdir/builder_pattern)
[INFO] [stderr]    Compiling observer_pattern v0.1.0 (/opt/rustwide/workdir/observer_pattern)
[INFO] [stderr]    Compiling interpreter_pattern v0.1.0 (/opt/rustwide/workdir/interpreter_pattern)
[INFO] [stdout] warning: struct `Wrapper` is never constructed
[INFO] [stdout]  --> builder_pattern/src/builder.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Wrapper;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bottle` is never constructed
[INFO] [stdout]   --> builder_pattern/src/builder.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Bottle;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Burger` is never constructed
[INFO] [stdout]   --> builder_pattern/src/builder.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Burger;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColdDrink` is never constructed
[INFO] [stdout]   --> builder_pattern/src/builder.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct ColdDrink;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling template_pattern v0.1.0 (/opt/rustwide/workdir/template_pattern)
[INFO] [stderr]    Compiling prototype_pattern v0.1.0 (/opt/rustwide/workdir/prototype_pattern)
[INFO] [stderr]    Compiling iterator_pattern v0.1.0 (/opt/rustwide/workdir/iterator_pattern)
[INFO] [stdout] warning: field `shape_type` is never read
[INFO] [stdout]   --> prototype_pattern/src/prototype_pattern.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct ShapeValue {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 10 |     id: Option<String>,
[INFO] [stdout] 11 |     shape_type: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ShapeValue` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_shape_type` and `set_shape_type` are never used
[INFO] [stdout]   --> prototype_pattern/src/prototype_pattern.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl ShapeValue {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn get_shape_type(&self) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn set_shape_type(&mut self, shape_type: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> prototype_pattern/src/prototype_pattern.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |         cached_shape.clone()
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Box<dyn Shape>` does not implement `Clone`, so calling `clone` on `&Box<dyn Shape>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 109 -         cached_shape.clone()
[INFO] [stdout] 109 +         cached_shape
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling null_object_pattern v0.1.0 (/opt/rustwide/workdir/null_object_pattern)
[INFO] [stderr]    Compiling adapter_pattern v0.1.0 (/opt/rustwide/workdir/adapter_pattern)
[INFO] [stdout] warning: method `is_null` is never used
[INFO] [stdout]  --> null_object_pattern/src/null_object.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait AbstractCustomer {
[INFO] [stdout]   |       ---------------- method in this trait
[INFO] [stdout] 3 |     fn is_null(&self) -> bool;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling flyweight_pattern v0.1.0 (/opt/rustwide/workdir/flyweight_pattern)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> flyweight_pattern/src/flyweight.rs:49:45
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.circle_map.get(&color).unwrap().clone()
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Box<dyn Shape>` does not implement `Clone`, so calling `clone` on `&Box<dyn Shape>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 49 -         self.circle_map.get(&color).unwrap().clone()
[INFO] [stdout] 49 +         self.circle_map.get(&color).unwrap()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mediator_pattern v0.1.0 (/opt/rustwide/workdir/mediator_pattern)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `Command { std: "docker" "inspect" "5826ed63f4e219c607d55f05e6cec942ab2987f060e751345b4b787ea7f0e129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5826ed63f4e219c607d55f05e6cec942ab2987f060e751345b4b787ea7f0e129", kill_on_drop: false }`
[INFO] [stdout] 5826ed63f4e219c607d55f05e6cec942ab2987f060e751345b4b787ea7f0e129
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 160efbdec4567db95d91a9fcbcecb6fb0c0d31e2b4584922d54bed6aca5204ab
[INFO] running `Command { std: "docker" "start" "-a" "160efbdec4567db95d91a9fcbcecb6fb0c0d31e2b4584922d54bed6aca5204ab", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling singleton_pattern v0.1.0 (/opt/rustwide/workdir/singleton_pattern)
[INFO] [stderr]    Compiling flyweight_pattern v0.1.0 (/opt/rustwide/workdir/flyweight_pattern)
[INFO] [stderr]    Compiling mediator_pattern v0.1.0 (/opt/rustwide/workdir/mediator_pattern)
[INFO] [stderr]    Compiling chain_of_responsibility_pattern v0.1.0 (/opt/rustwide/workdir/chain_of_responsibility_pattern)
[INFO] [stderr]    Compiling command_pattern v0.1.0 (/opt/rustwide/workdir/command_pattern)
[INFO] [stderr]    Compiling strategy_pattern v0.1.0 (/opt/rustwide/workdir/strategy_pattern)
[INFO] [stderr]    Compiling observer_pattern v0.1.0 (/opt/rustwide/workdir/observer_pattern)
[INFO] [stderr]    Compiling bridge_pattern v0.1.0 (/opt/rustwide/workdir/bridge_pattern)
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> singleton_pattern/src/single_object.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |             if INSTANCE.is_none() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> singleton_pattern/src/single_object.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             INSTANCE.as_ref().unwrap()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> flyweight_pattern/src/flyweight.rs:49:45
[INFO] [stdout]    |
[INFO] [stdout] 49 |         self.circle_map.get(&color).unwrap().clone()
[INFO] [stdout]    |                                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Box<dyn Shape>` does not implement `Clone`, so calling `clone` on `&Box<dyn Shape>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 49 -         self.circle_map.get(&color).unwrap().clone()
[INFO] [stdout] 49 +         self.circle_map.get(&color).unwrap()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling interpreter_pattern v0.1.0 (/opt/rustwide/workdir/interpreter_pattern)
[INFO] [stderr]    Compiling factory_pattern v0.1.0 (/opt/rustwide/workdir/factory_pattern)
[INFO] [stderr]    Compiling prototype_pattern v0.1.0 (/opt/rustwide/workdir/prototype_pattern)
[INFO] [stderr]    Compiling template_pattern v0.1.0 (/opt/rustwide/workdir/template_pattern)
[INFO] [stderr]    Compiling memento_pattern v0.1.0 (/opt/rustwide/workdir/memento_pattern)
[INFO] [stderr]    Compiling null_object_pattern v0.1.0 (/opt/rustwide/workdir/null_object_pattern)
[INFO] [stderr]    Compiling builder_pattern v0.1.0 (/opt/rustwide/workdir/builder_pattern)
[INFO] [stdout] warning: field `shape_type` is never read
[INFO] [stdout]   --> prototype_pattern/src/prototype_pattern.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct ShapeValue {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 10 |     id: Option<String>,
[INFO] [stdout] 11 |     shape_type: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ShapeValue` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_shape_type` and `set_shape_type` are never used
[INFO] [stdout]   --> prototype_pattern/src/prototype_pattern.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl ShapeValue {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn get_shape_type(&self) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn set_shape_type(&mut self, shape_type: String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling state_pattern v0.1.0 (/opt/rustwide/workdir/state_pattern)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> prototype_pattern/src/prototype_pattern.rs:109:21
[INFO] [stdout]     |
[INFO] [stdout] 109 |         cached_shape.clone()
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Box<dyn Shape>` does not implement `Clone`, so calling `clone` on `&Box<dyn Shape>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 109 -         cached_shape.clone()
[INFO] [stdout] 109 +         cached_shape
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_null` is never used
[INFO] [stdout]  --> null_object_pattern/src/null_object.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | trait AbstractCustomer {
[INFO] [stdout]   |       ---------------- method in this trait
[INFO] [stdout] 3 |     fn is_null(&self) -> bool;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling adapter_pattern v0.1.0 (/opt/rustwide/workdir/adapter_pattern)
[INFO] [stdout] warning: struct `Wrapper` is never constructed
[INFO] [stdout]  --> builder_pattern/src/builder.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Wrapper;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bottle` is never constructed
[INFO] [stdout]   --> builder_pattern/src/builder.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Bottle;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Burger` is never constructed
[INFO] [stdout]   --> builder_pattern/src/builder.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Burger;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColdDrink` is never constructed
[INFO] [stdout]   --> builder_pattern/src/builder.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct ColdDrink;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling iterator_pattern v0.1.0 (/opt/rustwide/workdir/iterator_pattern)
[INFO] [stderr]    Compiling proxy_pattern v0.1.0 (/opt/rustwide/workdir/proxy_pattern)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "160efbdec4567db95d91a9fcbcecb6fb0c0d31e2b4584922d54bed6aca5204ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160efbdec4567db95d91a9fcbcecb6fb0c0d31e2b4584922d54bed6aca5204ab", kill_on_drop: false }`
[INFO] [stdout] 160efbdec4567db95d91a9fcbcecb6fb0c0d31e2b4584922d54bed6aca5204ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08a9a524f2a3e6197cd5d40402182a958605079d04f4c6863e0df4407b1c944b
[INFO] running `Command { std: "docker" "start" "-a" "08a9a524f2a3e6197cd5d40402182a958605079d04f4c6863e0df4407b1c944b", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: method `is_null` is never used
[INFO] [stderr]  --> null_object_pattern/src/null_object.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | trait AbstractCustomer {
[INFO] [stderr]   |       ---------------- method in this trait
[INFO] [stderr] 3 |     fn is_null(&self) -> bool;
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `null_object_pattern` (bin "null_object_pattern" test) generated 1 warning
[INFO] [stderr] warning: creating a shared reference to mutable static is discouraged
[INFO] [stderr]   --> singleton_pattern/src/single_object.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 |             if INSTANCE.is_none() {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static is discouraged
[INFO] [stderr]   --> singleton_pattern/src/single_object.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             INSTANCE.as_ref().unwrap()
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr] 
[INFO] [stderr] warning: field `shape_type` is never read
[INFO] [stderr]   --> prototype_pattern/src/prototype_pattern.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | struct ShapeValue {
[INFO] [stderr]    |        ---------- field in this struct
[INFO] [stderr] 10 |     id: Option<String>,
[INFO] [stderr] 11 |     shape_type: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ShapeValue` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_shape_type` and `set_shape_type` are never used
[INFO] [stderr]   --> prototype_pattern/src/prototype_pattern.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl ShapeValue {
[INFO] [stderr]    | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 30 |     fn get_shape_type(&self) -> Option<String> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     fn set_shape_type(&mut self, shape_type: String) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> prototype_pattern/src/prototype_pattern.rs:109:21
[INFO] [stderr]     |
[INFO] [stderr] 109 |         cached_shape.clone()
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `Box<dyn Shape>` does not implement `Clone`, so calling `clone` on `&Box<dyn Shape>` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 109 -         cached_shape.clone()
[INFO] [stderr] 109 +         cached_shape
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `singleton_pattern` (bin "singleton_pattern" test) generated 2 warnings
[INFO] [stderr] warning: `prototype_pattern` (bin "prototype_pattern" test) generated 3 warnings (run `cargo fix --bin "prototype_pattern" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: struct `Wrapper` is never constructed
[INFO] [stderr]  --> builder_pattern/src/builder.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Wrapper;
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Bottle` is never constructed
[INFO] [stderr]   --> builder_pattern/src/builder.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Bottle;
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Burger` is never constructed
[INFO] [stderr]   --> builder_pattern/src/builder.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct Burger;
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ColdDrink` is never constructed
[INFO] [stderr]   --> builder_pattern/src/builder.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | struct ColdDrink;
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `builder_pattern` (bin "builder_pattern" test) generated 4 warnings
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> flyweight_pattern/src/flyweight.rs:49:45
[INFO] [stderr]    |
[INFO] [stderr] 49 |         self.circle_map.get(&color).unwrap().clone()
[INFO] [stderr]    |                                             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `Box<dyn Shape>` does not implement `Clone`, so calling `clone` on `&Box<dyn Shape>` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr] 49 -         self.circle_map.get(&color).unwrap().clone()
[INFO] [stderr] 49 +         self.circle_map.get(&color).unwrap()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `flyweight_pattern` (bin "flyweight_pattern" test) generated 1 warning (run `cargo fix --bin "flyweight_pattern" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/adapter_pattern-10df60b80b13ff4d)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bridge_pattern-ae8e164577ca759c)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/builder_pattern-f04b7736bc22e175)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chain_of_responsibility_pattern-db6a7f895db2aa2a)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/command_pattern-4d4b1586ce8913e9)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/factory_pattern-2d039f17e601f5f4)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flyweight_pattern-09426f9436a00f3d)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/interpreter_pattern-c15415e48a40ad58)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/iterator_pattern-f00f4e099e2a5f01)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mediator_pattern-cdce6c31a63cd66b)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/memento_pattern-e9cb32bcee34c4cd)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/null_object_pattern-4e778e5b538840b9)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/observer_pattern-8ad9d4ee24dd2aa5)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prototype_pattern-2628dde61c1d91d8)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/proxy_pattern-6deb5b6f55000f09)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/singleton_pattern-461cff7357ef0e27)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/state_pattern-93e1c970c0d9dcf1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/strategy_pattern-12f42494e804e762)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/template_pattern-288ea23b12c52aca)
[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" "08a9a524f2a3e6197cd5d40402182a958605079d04f4c6863e0df4407b1c944b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a9a524f2a3e6197cd5d40402182a958605079d04f4c6863e0df4407b1c944b", kill_on_drop: false }`
[INFO] [stdout] 08a9a524f2a3e6197cd5d40402182a958605079d04f4c6863e0df4407b1c944b