[INFO] crate sha3-plus 0.8.1 is already in cache
[INFO] extracting crate sha3-plus 0.8.1 into work/ex/clippy-test-run/sources/stable/reg/sha3-plus/0.8.1
[INFO] extracting crate sha3-plus 0.8.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sha3-plus/0.8.1
[INFO] validating manifest of sha3-plus-0.8.1 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 sha3-plus-0.8.1 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 sha3-plus-0.8.1
[INFO] finished frobbing sha3-plus-0.8.1
[INFO] frobbed toml for sha3-plus-0.8.1 written to work/ex/clippy-test-run/sources/stable/reg/sha3-plus/0.8.1/Cargo.toml
[INFO] started frobbing sha3-plus-0.8.1
[INFO] finished frobbing sha3-plus-0.8.1
[INFO] frobbed toml for sha3-plus-0.8.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sha3-plus/0.8.1/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 sha3-plus-0.8.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/sha3-plus/0.8.1:/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] cf1e24d0ca756422129c2794ee7474f7b9ad28c5290bf9ec7bf858e168813aaa
[INFO] running `"docker" "start" "-a" "cf1e24d0ca756422129c2794ee7474f7b9ad28c5290bf9ec7bf858e168813aaa"`
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking blobby v0.1.2
[INFO] [stderr]     Checking block-buffer v0.7.2
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking sha3-plus v0.8.1 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/macros.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 res
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | shake_impl!(Shake128, U168, paddings::Shake);
[INFO] [stderr]    | --------------------------------------------- in this macro invocation
[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/macros.rs:84:27
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let res = Sha3XofReader::new(self.state.clone(), r);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | shake_impl!(Shake128, U168, paddings::Shake);
[INFO] [stderr]    | --------------------------------------------- in this macro invocation
[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/macros.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 res
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | shake_impl!(Shake256, U136, paddings::Shake);
[INFO] [stderr]    | --------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/macros.rs:84:27
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let res = Sha3XofReader::new(self.state.clone(), r);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | shake_impl!(Shake256, U136, paddings::Shake);
[INFO] [stderr]    | --------------------------------------------- in this macro invocation
[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/macros.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 res
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | shake_impl!(Shake128, U168, paddings::Shake);
[INFO] [stderr]    | --------------------------------------------- in this macro invocation
[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/macros.rs:84:27
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let res = Sha3XofReader::new(self.state.clone(), r);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | shake_impl!(Shake128, U168, paddings::Shake);
[INFO] [stderr]    | --------------------------------------------- in this macro invocation
[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/macros.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 res
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | shake_impl!(Shake256, U136, paddings::Shake);
[INFO] [stderr]    | --------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/macros.rs:84:27
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 let res = Sha3XofReader::new(self.state.clone(), r);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | shake_impl!(Shake256, U136, paddings::Shake);
[INFO] [stderr]    | --------------------------------------------- in this macro invocation
[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[E0463]: can't find crate for `sha3`
[INFO] [stderr]  --> examples/sha3_256sum.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate sha3;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `sha3-plus`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `sha3`
[INFO] [stderr]  --> examples/sha3_512sum.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate sha3;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `sha3-plus`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `sha3`
[INFO] [stderr]  --> tests/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate sha3;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `sha3-plus`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `sha3`
[INFO] [stderr]  --> benches/sha3_256.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | extern crate sha3;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `sha3-plus`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `sha3`
[INFO] [stderr]  --> benches/sha3_512.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | extern crate sha3;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `sha3-plus`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cf1e24d0ca756422129c2794ee7474f7b9ad28c5290bf9ec7bf858e168813aaa"`
[INFO] running `"docker" "rm" "-f" "cf1e24d0ca756422129c2794ee7474f7b9ad28c5290bf9ec7bf858e168813aaa"`
[INFO] [stdout] cf1e24d0ca756422129c2794ee7474f7b9ad28c5290bf9ec7bf858e168813aaa