[INFO] crate wu-diff 0.1.1 is already in cache
[INFO] extracting crate wu-diff 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/wu-diff/0.1.1
[INFO] extracting crate wu-diff 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wu-diff/0.1.1
[INFO] validating manifest of wu-diff-0.1.1 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 wu-diff-0.1.1 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 wu-diff-0.1.1
[INFO] finished frobbing wu-diff-0.1.1
[INFO] frobbed toml for wu-diff-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/wu-diff/0.1.1/Cargo.toml
[INFO] started frobbing wu-diff-0.1.1
[INFO] finished frobbing wu-diff-0.1.1
[INFO] frobbed toml for wu-diff-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wu-diff/0.1.1/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 wu-diff-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/wu-diff/0.1.1:/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] 7bd913e0e3f8ff7bbf8c39ff9d89409fc2e38fc0435eaabbb6228f2c9c983471
[INFO] running `"docker" "start" "-a" "7bd913e0e3f8ff7bbf8c39ff9d89409fc2e38fc0435eaabbb6228f2c9c983471"`
[INFO] [stderr]     Checking wu-diff v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking criterion v0.2.9
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:330:23
[INFO] [stderr]     |
[INFO] [stderr] 330 |     let result = diff(&vec!["a"], &vec!["b"]);
[INFO] [stderr]     |                       ^^^^^^^^^^ help: you can use a slice directly: `&["a"]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:330:35
[INFO] [stderr]     |
[INFO] [stderr] 330 |     let result = diff(&vec!["a"], &vec!["b"]);
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: you can use a slice directly: `&["b"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:356:23
[INFO] [stderr]     |
[INFO] [stderr] 356 |     let result = diff(&vec!["a"], &vec!["a"]);
[INFO] [stderr]     |                       ^^^^^^^^^^ help: you can use a slice directly: `&["a"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:356:35
[INFO] [stderr]     |
[INFO] [stderr] 356 |     let result = diff(&vec!["a"], &vec!["a"]);
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: you can use a slice directly: `&["a"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:366:23
[INFO] [stderr]     |
[INFO] [stderr] 366 |     let result = diff(&vec!["a"], &vec![]);
[INFO] [stderr]     |                       ^^^^^^^^^^ help: you can use a slice directly: `&["a"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:366:35
[INFO] [stderr]     |
[INFO] [stderr] 366 |     let result = diff(&vec!["a"], &vec![]);
[INFO] [stderr]     |                                   ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:376:23
[INFO] [stderr]     |
[INFO] [stderr] 376 |     let result = diff(&vec![], &vec!["a"]);
[INFO] [stderr]     |                       ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:376:32
[INFO] [stderr]     |
[INFO] [stderr] 376 |     let result = diff(&vec![], &vec!["a"]);
[INFO] [stderr]     |                                ^^^^^^^^^^ help: you can use a slice directly: `&["a"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:386:23
[INFO] [stderr]     |
[INFO] [stderr] 386 |     let result = diff(&vec!["a", "a"], &vec!["b", "b"]);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["a", "a"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:386:40
[INFO] [stderr]     |
[INFO] [stderr] 386 |     let result = diff(&vec!["a", "a"], &vec!["b", "b"]);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["b", "b"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:411:23
[INFO] [stderr]     |
[INFO] [stderr] 411 |     let result = diff(&vec!["abc", "c"], &vec!["abc", "bcd", "c"]);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["abc", "c"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:411:42
[INFO] [stderr]     |
[INFO] [stderr] 411 |     let result = diff(&vec!["abc", "c"], &vec!["abc", "bcd", "c"]);
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["abc", "bcd", "c"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:432:23
[INFO] [stderr]     |
[INFO] [stderr] 432 |     let result = diff(&vec!["abc", "bcd", "c"], &vec!["abc", "c"]);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["abc", "bcd", "c"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:432:49
[INFO] [stderr]     |
[INFO] [stderr] 432 |     let result = diff(&vec!["abc", "bcd", "c"], &vec!["abc", "c"]);
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["abc", "c"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:453:23
[INFO] [stderr]     |
[INFO] [stderr] 453 |     let result = diff(&vec!["abc", "bcd", "c"], &vec!["abc", "c"]);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["abc", "bcd", "c"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:453:49
[INFO] [stderr]     |
[INFO] [stderr] 453 |     let result = diff(&vec!["abc", "bcd", "c"], &vec!["abc", "c"]);
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["abc", "c"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:473:23
[INFO] [stderr]     |
[INFO] [stderr] 473 |     let result = diff(&vec!["abc", "bcd", "c"], &vec![]);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["abc", "bcd", "c"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:473:49
[INFO] [stderr]     |
[INFO] [stderr] 473 |     let result = diff(&vec!["abc", "bcd", "c"], &vec![]);
[INFO] [stderr]     |                                                 ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:493:23
[INFO] [stderr]     |
[INFO] [stderr] 493 |     let result = diff(&vec![], &vec!["abc", "bcd", "c"]);
[INFO] [stderr]     |                       ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:493:32
[INFO] [stderr]     |
[INFO] [stderr] 493 |     let result = diff(&vec![], &vec!["abc", "bcd", "c"]);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["abc", "bcd", "c"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:513:23
[INFO] [stderr]     |
[INFO] [stderr] 513 |     let result = diff(&vec![0u8; 0], &vec![0u8; 0]);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^ help: you can use a slice directly: `&[0u8; 0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:513:38
[INFO] [stderr]     |
[INFO] [stderr] 513 |     let result = diff(&vec![0u8; 0], &vec![0u8; 0]);
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^ help: you can use a slice directly: `&[0u8; 0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:521:9
[INFO] [stderr]     |
[INFO] [stderr] 521 |         &vec!["abc", "bcd", "c", "aaa", "bbb", "ccc"],
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["abc", "bcd", "c", "aaa", "bbb", "ccc"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:522:9
[INFO] [stderr]     |
[INFO] [stderr] 522 |         &vec!["abc", "c", "aaa", "bbb", "ccc"],
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["abc", "c", "aaa", "bbb", "ccc"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:556:9
[INFO] [stderr]     |
[INFO] [stderr] 556 |         &vec!["s", "t", "r", "e", "n", "g", "t", "h"],
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["s", "t", "r", "e", "n", "g", "t", "h"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/lib.rs:557:9
[INFO] [stderr]     |
[INFO] [stderr] 557 |         &vec!["s", "t", "r", "i", "n", "g"],
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["s", "t", "r", "i", "n", "g"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> tests/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(extern_prelude)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `wu-diff`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7bd913e0e3f8ff7bbf8c39ff9d89409fc2e38fc0435eaabbb6228f2c9c983471"`
[INFO] running `"docker" "rm" "-f" "7bd913e0e3f8ff7bbf8c39ff9d89409fc2e38fc0435eaabbb6228f2c9c983471"`
[INFO] [stdout] 7bd913e0e3f8ff7bbf8c39ff9d89409fc2e38fc0435eaabbb6228f2c9c983471