[INFO] crate cell_rc 0.2.0 is already in cache
[INFO] extracting crate cell_rc 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/cell_rc/0.2.0
[INFO] extracting crate cell_rc 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cell_rc/0.2.0
[INFO] validating manifest of cell_rc-0.2.0 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 cell_rc-0.2.0 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 cell_rc-0.2.0
[INFO] finished frobbing cell_rc-0.2.0
[INFO] frobbed toml for cell_rc-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/cell_rc/0.2.0/Cargo.toml
[INFO] started frobbing cell_rc-0.2.0
[INFO] finished frobbing cell_rc-0.2.0
[INFO] frobbed toml for cell_rc-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cell_rc/0.2.0/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 cell_rc-0.2.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cell_rc/0.2.0:/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 -Dclippy::into_iter_on_array" "-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] 7eb173ed6c31654a6795f462849a2f5142f5baa5a4d2b63c91cddc37cdfac5a0
[INFO] running `"docker" "start" "-a" "7eb173ed6c31654a6795f462849a2f5142f5baa5a4d2b63c91cddc37cdfac5a0"`
[INFO] [stderr]     Checking cell_rc v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:191:51
[INFO] [stderr]     |
[INFO] [stderr] 191 |         Rc::try_unwrap(self.into_inner()).map_err(|rc| Self::new(rc))
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Self::new`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[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:253:30
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub 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: redundant closure found
[INFO] [stderr]    --> src/lib.rs:309:52
[INFO] [stderr]     |
[INFO] [stderr] 309 |         Arc::try_unwrap(self.into_inner()).map_err(|arc| Self::new(arc))
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Self::new`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[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:371:30
[INFO] [stderr]     |
[INFO] [stderr] 371 |     pub 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: redundant closure found
[INFO] [stderr]    --> src/lib.rs:191:51
[INFO] [stderr]     |
[INFO] [stderr] 191 |         Rc::try_unwrap(self.into_inner()).map_err(|rc| Self::new(rc))
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Self::new`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[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:253:30
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub 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: redundant closure found
[INFO] [stderr]    --> src/lib.rs:309:52
[INFO] [stderr]     |
[INFO] [stderr] 309 |         Arc::try_unwrap(self.into_inner()).map_err(|arc| Self::new(arc))
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Self::new`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[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:371:30
[INFO] [stderr]     |
[INFO] [stderr] 371 |     pub 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "7eb173ed6c31654a6795f462849a2f5142f5baa5a4d2b63c91cddc37cdfac5a0"`
[INFO] running `"docker" "rm" "-f" "7eb173ed6c31654a6795f462849a2f5142f5baa5a4d2b63c91cddc37cdfac5a0"`
[INFO] [stdout] 7eb173ed6c31654a6795f462849a2f5142f5baa5a4d2b63c91cddc37cdfac5a0