[INFO] crate safe_cell_exts 0.3.0 is already in cache
[INFO] extracting crate safe_cell_exts 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/safe_cell_exts/0.3.0
[INFO] extracting crate safe_cell_exts 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/safe_cell_exts/0.3.0
[INFO] validating manifest of safe_cell_exts-0.3.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of safe_cell_exts-0.3.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing safe_cell_exts-0.3.0
[INFO] finished frobbing safe_cell_exts-0.3.0
[INFO] frobbed toml for safe_cell_exts-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/safe_cell_exts/0.3.0/Cargo.toml
[INFO] started frobbing safe_cell_exts-0.3.0
[INFO] finished frobbing safe_cell_exts-0.3.0
[INFO] frobbed toml for safe_cell_exts-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/safe_cell_exts/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting safe_cell_exts-0.3.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/safe_cell_exts/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] acb92fbf52afc93c193f5052db19a1e309a5d0f1c4a91f94a9279bce7d8a4f27
[INFO] running `"docker" "start" "-a" "acb92fbf52afc93c193f5052db19a1e309a5d0f1c4a91f94a9279bce7d8a4f27"`
[INFO] [stderr]     Checking safe_cell_exts v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
[INFO] [stderr]    --> src/lib.rs:520:26
[INFO] [stderr]     |
[INFO] [stderr] 520 |     fn upgrade(&self) -> Option<Option<Rc<T>>>;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_option)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_option
[INFO] [stderr] 
[INFO] [stderr] warning: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
[INFO] [stderr]    --> src/lib.rs:644:26
[INFO] [stderr]     |
[INFO] [stderr] 644 |     fn upgrade(&self) -> Option<Option<Arc<T>>>;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_option
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:977:13
[INFO] [stderr]     |
[INFO] [stderr] 977 |             (*self.as_ptr()).get(k).map(|v| v.clone())
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `(*self.as_ptr()).get(k).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]     --> src/lib.rs:1135:13
[INFO] [stderr]      |
[INFO] [stderr] 1135 |             (*self.as_ptr()).get(value).map(|v| v.clone())
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `(*self.as_ptr()).get(value).cloned()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]     --> src/lib.rs:1344:13
[INFO] [stderr]      |
[INFO] [stderr] 1344 |             (*self.as_ptr()).front().map(|v| v.clone())
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `(*self.as_ptr()).front().cloned()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]     --> src/lib.rs:1353:13
[INFO] [stderr]      |
[INFO] [stderr] 1353 |             (*self.as_ptr()).back().map(|v| v.clone())
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `(*self.as_ptr()).back().cloned()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
[INFO] [stderr]    --> src/lib.rs:520:26
[INFO] [stderr]     |
[INFO] [stderr] 520 |     fn upgrade(&self) -> Option<Option<Rc<T>>>;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_option)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_option
[INFO] [stderr] 
[INFO] [stderr] warning: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
[INFO] [stderr]    --> src/lib.rs:644:26
[INFO] [stderr]     |
[INFO] [stderr] 644 |     fn upgrade(&self) -> Option<Option<Arc<T>>>;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_option
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:977:13
[INFO] [stderr]     |
[INFO] [stderr] 977 |             (*self.as_ptr()).get(k).map(|v| v.clone())
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `(*self.as_ptr()).get(k).cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]     --> src/lib.rs:1135:13
[INFO] [stderr]      |
[INFO] [stderr] 1135 |             (*self.as_ptr()).get(value).map(|v| v.clone())
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `(*self.as_ptr()).get(value).cloned()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]     --> src/lib.rs:1344:13
[INFO] [stderr]      |
[INFO] [stderr] 1344 |             (*self.as_ptr()).front().map(|v| v.clone())
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `(*self.as_ptr()).front().cloned()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]     --> src/lib.rs:1353:13
[INFO] [stderr]      |
[INFO] [stderr] 1353 |             (*self.as_ptr()).back().map(|v| v.clone())
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `(*self.as_ptr()).back().cloned()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "acb92fbf52afc93c193f5052db19a1e309a5d0f1c4a91f94a9279bce7d8a4f27"`
[INFO] running `"docker" "rm" "-f" "acb92fbf52afc93c193f5052db19a1e309a5d0f1c4a91f94a9279bce7d8a4f27"`
[INFO] [stdout] acb92fbf52afc93c193f5052db19a1e309a5d0f1c4a91f94a9279bce7d8a4f27