[INFO] crate voluntary-servitude 3.0.8 is already in cache
[INFO] extracting crate voluntary-servitude 3.0.8 into work/ex/clippy-test-run/sources/stable/reg/voluntary-servitude/3.0.8
[INFO] extracting crate voluntary-servitude 3.0.8 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/voluntary-servitude/3.0.8
[INFO] validating manifest of voluntary-servitude-3.0.8 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 voluntary-servitude-3.0.8 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 voluntary-servitude-3.0.8
[INFO] finished frobbing voluntary-servitude-3.0.8
[INFO] frobbed toml for voluntary-servitude-3.0.8 written to work/ex/clippy-test-run/sources/stable/reg/voluntary-servitude/3.0.8/Cargo.toml
[INFO] started frobbing voluntary-servitude-3.0.8
[INFO] finished frobbing voluntary-servitude-3.0.8
[INFO] frobbed toml for voluntary-servitude-3.0.8 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/voluntary-servitude/3.0.8/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 voluntary-servitude-3.0.8 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/voluntary-servitude/3.0.8:/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] f5670055653b932920da658c2d5132061177597317caf31b76c558c867ee2316
[INFO] running `"docker" "start" "-a" "f5670055653b932920da658c2d5132061177597317caf31b76c558c867ee2316"`
[INFO] [stderr]     Checking parking_lot v0.2.8
[INFO] [stderr]     Checking voluntary-servitude v3.0.8 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/voluntary_servitude.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         nn
[INFO] [stderr]    |         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/voluntary_servitude.rs:40:18
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let nn = NonNull::new(self.first_node.get_raw(Ordering::SeqCst));
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/voluntary_servitude.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         len
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/voluntary_servitude.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let len = self.size.load(Ordering::SeqCst);
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/voluntary_servitude.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         nn
[INFO] [stderr]    |         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/voluntary_servitude.rs:40:18
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let nn = NonNull::new(self.first_node.get_raw(Ordering::SeqCst));
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/voluntary_servitude.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         len
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/voluntary_servitude.rs:48:19
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let len = self.size.load(Ordering::SeqCst);
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
[INFO] [stderr]    --> src/iterator.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         drop(iter);
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::drop_ref)] on by default
[INFO] [stderr] note: argument has type &mut iterator::Iter<i32>
[INFO] [stderr]    --> src/iterator.rs:287:14
[INFO] [stderr]     |
[INFO] [stderr] 287 |         drop(iter);
[INFO] [stderr]     |              ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_ref
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
[INFO] [stderr]    --> src/iterator.rs:291:9
[INFO] [stderr]     |
[INFO] [stderr] 291 |         drop(iter);
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type &mut iterator::Iter<i32>
[INFO] [stderr]    --> src/iterator.rs:291:14
[INFO] [stderr]     |
[INFO] [stderr] 291 |         drop(iter);
[INFO] [stderr]     |              ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_ref
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
[INFO] [stderr]    --> src/iterator.rs:307:9
[INFO] [stderr]     |
[INFO] [stderr] 307 |         drop(iter2);
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type &mut iterator::Iter<i32>
[INFO] [stderr]    --> src/iterator.rs:307:14
[INFO] [stderr]     |
[INFO] [stderr] 307 |         drop(iter2);
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_ref
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
[INFO] [stderr]    --> src/iterator.rs:309:9
[INFO] [stderr]     |
[INFO] [stderr] 309 |         drop(iter);
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type &mut iterator::Iter<i32>
[INFO] [stderr]    --> src/iterator.rs:309:14
[INFO] [stderr]     |
[INFO] [stderr] 309 |         drop(iter);
[INFO] [stderr]     |              ^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_ref
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
[INFO] [stderr]    --> src/iterator.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         drop(iter1);
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type &mut iterator::Iter<i32>
[INFO] [stderr]    --> src/iterator.rs:310:14
[INFO] [stderr]     |
[INFO] [stderr] 310 |         drop(iter1);
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_ref
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a reference instead of an owned value. Dropping a reference does nothing.
[INFO] [stderr]    --> src/iterator.rs:313:9
[INFO] [stderr]     |
[INFO] [stderr] 313 |         drop(iter3);
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: argument has type &mut iterator::Iter<i32>
[INFO] [stderr]    --> src/iterator.rs:313:14
[INFO] [stderr]     |
[INFO] [stderr] 313 |         drop(iter3);
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_ref
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `voluntary-servitude`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f5670055653b932920da658c2d5132061177597317caf31b76c558c867ee2316"`
[INFO] running `"docker" "rm" "-f" "f5670055653b932920da658c2d5132061177597317caf31b76c558c867ee2316"`
[INFO] [stdout] f5670055653b932920da658c2d5132061177597317caf31b76c558c867ee2316