[INFO] crate unchecked-index 0.2.2 is already in cache
[INFO] extracting crate unchecked-index 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/unchecked-index/0.2.2
[INFO] extracting crate unchecked-index 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/unchecked-index/0.2.2
[INFO] validating manifest of unchecked-index-0.2.2 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 unchecked-index-0.2.2 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 unchecked-index-0.2.2
[INFO] finished frobbing unchecked-index-0.2.2
[INFO] frobbed toml for unchecked-index-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/unchecked-index/0.2.2/Cargo.toml
[INFO] started frobbing unchecked-index-0.2.2
[INFO] finished frobbing unchecked-index-0.2.2
[INFO] frobbed toml for unchecked-index-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/unchecked-index/0.2.2/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 unchecked-index-0.2.2 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/unchecked-index/0.2.2:/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] 61dc20f5d13a2493c766f4561761f1243bf26387682709c53e344a98299bfc82
[INFO] running `"docker" "start" "-a" "61dc20f5d13a2493c766f4561761f1243bf26387682709c53e344a98299bfc82"`
[INFO] [stderr]     Checking unchecked-index v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/slice_impls.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 |               #[allow(unused)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr] ...
[INFO] [stderr] 52 | / impl_for_slice!(index, usize, self, index, {
[INFO] [stderr] 53 | |     assert!(*index < self.len(),
[INFO] [stderr] 54 | |             "assertion index < len failed: index out of bounds: \
[INFO] [stderr] 55 | |             index = {}, len = {}",
[INFO] [stderr] 56 | |             index, self.len())
[INFO] [stderr] 57 | | });
[INFO] [stderr]    | |___- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::useless_attribute)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/slice_impls.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 |               #[allow(unused)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr] ...
[INFO] [stderr] 52 | / impl_for_slice!(index, usize, self, index, {
[INFO] [stderr] 53 | |     assert!(*index < self.len(),
[INFO] [stderr] 54 | |             "assertion index < len failed: index out of bounds: \
[INFO] [stderr] 55 | |             index = {}, len = {}",
[INFO] [stderr] 56 | |             index, self.len())
[INFO] [stderr] 57 | | });
[INFO] [stderr]    | |___- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/slice_impls.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 |               #[allow(unused)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr] ...
[INFO] [stderr] 59 | / impl_for_slice!(range, Range<usize>, self, index, {
[INFO] [stderr] 60 | |   assert!(index.start <= index.end,
[INFO] [stderr] 61 | |           "assertion start <= end failed: start = {}, end = {}, len = {}",
[INFO] [stderr] 62 | |           index.start, index.end, self.len());
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |           index.end, self.len());
[INFO] [stderr] 66 | | });
[INFO] [stderr]    | |___- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/slice_impls.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 |               #[allow(unused)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr] ...
[INFO] [stderr] 68 | / impl_for_slice!(rangeto, RangeTo<usize>, self, index, {
[INFO] [stderr] 69 | |   assert!(index.end <= self.len(),
[INFO] [stderr] 70 | |           "assertion end <= len failed: end = {}, len = {}",
[INFO] [stderr] 71 | |           index.end, self.len());
[INFO] [stderr] 72 | | });
[INFO] [stderr]    | |___- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/slice_impls.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 |               #[allow(unused)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr] ...
[INFO] [stderr] 74 | / impl_for_slice!(rangefrom,RangeFrom<usize>, self, index, {
[INFO] [stderr] 75 | |   assert!(index.start <= self.len(),
[INFO] [stderr] 76 | |           "assertion start <= len failed: start = {}, len = {}",
[INFO] [stderr] 77 | |           index.start, self.len());
[INFO] [stderr] 78 | | });
[INFO] [stderr]    | |___- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/slice_impls.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr] ...
[INFO] [stderr] 80 | impl_for_slice!(rangefull, RangeFull, self, _index, { });
[INFO] [stderr]    | --------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `unchecked-index`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/slice_impls.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 |               #[allow(unused)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr] ...
[INFO] [stderr] 52 | / impl_for_slice!(index, usize, self, index, {
[INFO] [stderr] 53 | |     assert!(*index < self.len(),
[INFO] [stderr] 54 | |             "assertion index < len failed: index out of bounds: \
[INFO] [stderr] 55 | |             index = {}, len = {}",
[INFO] [stderr] 56 | |             index, self.len())
[INFO] [stderr] 57 | | });
[INFO] [stderr]    | |___- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::useless_attribute)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/slice_impls.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 |               #[allow(unused)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr] ...
[INFO] [stderr] 52 | / impl_for_slice!(index, usize, self, index, {
[INFO] [stderr] 53 | |     assert!(*index < self.len(),
[INFO] [stderr] 54 | |             "assertion index < len failed: index out of bounds: \
[INFO] [stderr] 55 | |             index = {}, len = {}",
[INFO] [stderr] 56 | |             index, self.len())
[INFO] [stderr] 57 | | });
[INFO] [stderr]    | |___- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/slice_impls.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 |               #[allow(unused)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr] ...
[INFO] [stderr] 59 | / impl_for_slice!(range, Range<usize>, self, index, {
[INFO] [stderr] 60 | |   assert!(index.start <= index.end,
[INFO] [stderr] 61 | |           "assertion start <= end failed: start = {}, end = {}, len = {}",
[INFO] [stderr] 62 | |           index.start, index.end, self.len());
[INFO] [stderr] ...  |
[INFO] [stderr] 65 | |           index.end, self.len());
[INFO] [stderr] 66 | | });
[INFO] [stderr]    | |___- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/slice_impls.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 |               #[allow(unused)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr] ...
[INFO] [stderr] 68 | / impl_for_slice!(rangeto, RangeTo<usize>, self, index, {
[INFO] [stderr] 69 | |   assert!(index.end <= self.len(),
[INFO] [stderr] 70 | |           "assertion end <= len failed: end = {}, len = {}",
[INFO] [stderr] 71 | |           index.end, self.len());
[INFO] [stderr] 72 | | });
[INFO] [stderr]    | |___- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/slice_impls.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 |               #[allow(unused)]
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr] ...
[INFO] [stderr] 74 | / impl_for_slice!(rangefrom,RangeFrom<usize>, self, index, {
[INFO] [stderr] 75 | |   assert!(index.start <= self.len(),
[INFO] [stderr] 76 | |           "assertion start <= len failed: start = {}, len = {}",
[INFO] [stderr] 77 | |           index.start, self.len());
[INFO] [stderr] 78 | | });
[INFO] [stderr]    | |___- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] error: useless lint attribute
[INFO] [stderr]   --> src/slice_impls.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 |             #[allow(unused)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(unused)]`
[INFO] [stderr] ...
[INFO] [stderr] 80 | impl_for_slice!(rangefull, RangeFull, self, _index, { });
[INFO] [stderr]    | --------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_attribute
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `data`
[INFO] [stderr]    --> src/lib.rs:234:22
[INFO] [stderr]     |
[INFO] [stderr] 234 |             for i in 0..data.len() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 234 |             for (i, <item>) in data.iter_mut().enumerate() {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `unchecked-index`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "61dc20f5d13a2493c766f4561761f1243bf26387682709c53e344a98299bfc82"`
[INFO] running `"docker" "rm" "-f" "61dc20f5d13a2493c766f4561761f1243bf26387682709c53e344a98299bfc82"`
[INFO] [stdout] 61dc20f5d13a2493c766f4561761f1243bf26387682709c53e344a98299bfc82