[INFO] crate pdqsort 1.0.3 is already in cache
[INFO] extracting crate pdqsort 1.0.3 into work/ex/clippy-test-run/sources/stable/reg/pdqsort/1.0.3
[INFO] extracting crate pdqsort 1.0.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pdqsort/1.0.3
[INFO] validating manifest of pdqsort-1.0.3 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 pdqsort-1.0.3 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 pdqsort-1.0.3
[INFO] finished frobbing pdqsort-1.0.3
[INFO] frobbed toml for pdqsort-1.0.3 written to work/ex/clippy-test-run/sources/stable/reg/pdqsort/1.0.3/Cargo.toml
[INFO] started frobbing pdqsort-1.0.3
[INFO] finished frobbing pdqsort-1.0.3
[INFO] frobbed toml for pdqsort-1.0.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pdqsort/1.0.3/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 pdqsort-1.0.3 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/pdqsort/1.0.3:/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] feb0152d36163a922a3a2ed1be2223a11d8ad5fd42b781b512c65a9b3adcef5b
[INFO] running `"docker" "start" "-a" "feb0152d36163a922a3a2ed1be2223a11d8ad5fd42b781b512c65a9b3adcef5b"`
[INFO] [stderr]     Checking pdqsort v1.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/lib.rs:198:27
[INFO] [stderr]     |
[INFO] [stderr] 198 |         shift_tail(&mut v[..i+1], is_less);
[INFO] [stderr]     |                           ^^^^^ help: use: `..=i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/lib.rs:253:1
[INFO] [stderr]     |
[INFO] [stderr] 253 | / fn partition_in_blocks<T, F>(v: &mut [T], pivot: &T, is_less: &mut F) -> usize
[INFO] [stderr] 254 | |     where F: FnMut(&T, &T) -> bool
[INFO] [stderr] 255 | | {
[INFO] [stderr] 256 | |     // Number of elements in a typical block.
[INFO] [stderr] ...   |
[INFO] [stderr] 424 | |     }
[INFO] [stderr] 425 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/lib.rs:280:26
[INFO] [stderr]     |
[INFO] [stderr] 280 |     let mut r = unsafe { l.offset(v.len() as isize) };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `l.add(v.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/lib.rs:380:26
[INFO] [stderr]     |
[INFO] [stderr] 380 |             l = unsafe { l.offset(block_l as isize) };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `l.add(block_l)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:551:19
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 (((gen_u32() as u64) << 32) | (gen_u32() as u64)) as usize
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^ help: try: `u64::from(gen_u32())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:551:47
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 (((gen_u32() as u64) << 32) | (gen_u32() as u64)) as usize
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^ help: try: `u64::from(gen_u32())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `len / 4`
[INFO] [stderr]    --> src/lib.rs:591:17
[INFO] [stderr]     |
[INFO] [stderr] 591 |     let mut a = len / 4 * 1;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:837:27
[INFO] [stderr]     |
[INFO] [stderr] 837 |                     .take((1 << n))
[INFO] [stderr]     |                           ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:837:27
[INFO] [stderr]     |
[INFO] [stderr] 837 |                     .take((1 << n))
[INFO] [stderr]     |                           ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::double_parens)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:852:22
[INFO] [stderr]     |
[INFO] [stderr] 852 |         let mut v = [0xDEADBEEFu64];
[INFO] [stderr]     |                      ^^^^^^^^^^^^^ help: consider: `0xDEAD_BEEFu64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:854:23
[INFO] [stderr]     |
[INFO] [stderr] 854 |         assert!(v == [0xDEADBEEF]);
[INFO] [stderr]     |                       ^^^^^^^^^^ help: consider: `0xDEAD_BEEF`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:864:27
[INFO] [stderr]     |
[INFO] [stderr] 864 |                     .take((1 << n))
[INFO] [stderr]     |                           ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:864:27
[INFO] [stderr]     |
[INFO] [stderr] 864 |                     .take((1 << n))
[INFO] [stderr]     |                           ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:879:22
[INFO] [stderr]     |
[INFO] [stderr] 879 |         let mut v = [0xDEADBEEFu64];
[INFO] [stderr]     |                      ^^^^^^^^^^^^^ help: consider: `0xDEAD_BEEFu64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:881:23
[INFO] [stderr]     |
[INFO] [stderr] 881 |         assert!(v == [0xDEADBEEF]);
[INFO] [stderr]     |                       ^^^^^^^^^^ help: consider: `0xDEAD_BEEF`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/lib.rs:198:27
[INFO] [stderr]     |
[INFO] [stderr] 198 |         shift_tail(&mut v[..i+1], is_less);
[INFO] [stderr]     |                           ^^^^^ help: use: `..=i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/lib.rs:253:1
[INFO] [stderr]     |
[INFO] [stderr] 253 | / fn partition_in_blocks<T, F>(v: &mut [T], pivot: &T, is_less: &mut F) -> usize
[INFO] [stderr] 254 | |     where F: FnMut(&T, &T) -> bool
[INFO] [stderr] 255 | | {
[INFO] [stderr] 256 | |     // Number of elements in a typical block.
[INFO] [stderr] ...   |
[INFO] [stderr] 424 | |     }
[INFO] [stderr] 425 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/lib.rs:280:26
[INFO] [stderr]     |
[INFO] [stderr] 280 |     let mut r = unsafe { l.offset(v.len() as isize) };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `l.add(v.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/lib.rs:380:26
[INFO] [stderr]     |
[INFO] [stderr] 380 |             l = unsafe { l.offset(block_l as isize) };
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `l.add(block_l)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:551:19
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 (((gen_u32() as u64) << 32) | (gen_u32() as u64)) as usize
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^ help: try: `u64::from(gen_u32())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:551:47
[INFO] [stderr]     |
[INFO] [stderr] 551 |                 (((gen_u32() as u64) << 32) | (gen_u32() as u64)) as usize
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^ help: try: `u64::from(gen_u32())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `len / 4`
[INFO] [stderr]    --> src/lib.rs:591:17
[INFO] [stderr]     |
[INFO] [stderr] 591 |     let mut a = len / 4 * 1;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/bench.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[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 `pdqsort`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "feb0152d36163a922a3a2ed1be2223a11d8ad5fd42b781b512c65a9b3adcef5b"`
[INFO] running `"docker" "rm" "-f" "feb0152d36163a922a3a2ed1be2223a11d8ad5fd42b781b512c65a9b3adcef5b"`
[INFO] [stdout] feb0152d36163a922a3a2ed1be2223a11d8ad5fd42b781b512c65a9b3adcef5b