[INFO] updating cached repository T5uku5hi/measure_numbers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/T5uku5hi/measure_numbers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/T5uku5hi/measure_numbers" "work/ex/clippy-test-run/sources/stable/gh/T5uku5hi/measure_numbers"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/T5uku5hi/measure_numbers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/T5uku5hi/measure_numbers" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/T5uku5hi/measure_numbers"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/T5uku5hi/measure_numbers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c893bfa6ef447f1424a6b518f35036fcbbc1e4f
[INFO] sha for GitHub repo T5uku5hi/measure_numbers: 8c893bfa6ef447f1424a6b518f35036fcbbc1e4f
[INFO] validating manifest of T5uku5hi/measure_numbers 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 T5uku5hi/measure_numbers 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 T5uku5hi/measure_numbers
[INFO] finished frobbing T5uku5hi/measure_numbers
[INFO] frobbed toml for T5uku5hi/measure_numbers written to work/ex/clippy-test-run/sources/stable/gh/T5uku5hi/measure_numbers/Cargo.toml
[INFO] started frobbing T5uku5hi/measure_numbers
[INFO] finished frobbing T5uku5hi/measure_numbers
[INFO] frobbed toml for T5uku5hi/measure_numbers written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/T5uku5hi/measure_numbers/Cargo.toml
[INFO] crate T5uku5hi/measure_numbers has a lockfile. skipping
[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 T5uku5hi/measure_numbers against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/T5uku5hi/measure_numbers:/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 -Dclippy::into_iter_on_array" "-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] ccb57185a7e62cf80800a6905228935a2c55b9a6e218603790dc657777361c57
[INFO] running `"docker" "start" "-a" "ccb57185a7e62cf80800a6905228935a2c55b9a6e218603790dc657777361c57"`
[INFO] [stderr]     Checking measure_numbers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/main.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn sum(data: &Vec<i32>) -> i32 {
[INFO] [stderr]   |              ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `data`.
[INFO] [stderr]   --> src/main.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 |     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] 11 |     for <item> in &data {
[INFO] [stderr]    |         ^^^^^^    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn mean(data: &Vec<i32>) -> i32 {
[INFO] [stderr]    |               ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn median(data: &Vec<i32>) -> i32 {
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn median(data: &[i32]) -> i32 {
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr] help: change `data.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut sort_data = data.to_owned();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn mode(data: &Vec<i32>) -> Mode {
[INFO] [stderr]    |               ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: taken reference of right operand
[INFO] [stderr]   --> src/main.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |         if value > &mode.count {
[INFO] [stderr]    |            ^^^^^^^^-----------
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    help: use the right value directly: `mode.count`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]   --> src/main.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |             mode.number = *key.clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]    |
[INFO] [stderr] 50 |             mode.number = *&(*key).clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]    |
[INFO] [stderr] 50 |             mode.number = *&i32::clone(key);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 |             mode.count = value.clone();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `measure_numbers`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/main.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn sum(data: &Vec<i32>) -> i32 {
[INFO] [stderr]   |              ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `data`.
[INFO] [stderr]   --> src/main.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 |     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] 11 |     for <item> in &data {
[INFO] [stderr]    |         ^^^^^^    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn mean(data: &Vec<i32>) -> i32 {
[INFO] [stderr]    |               ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn median(data: &Vec<i32>) -> i32 {
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn median(data: &[i32]) -> i32 {
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr] help: change `data.clone()` to
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut sort_data = data.to_owned();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn mode(data: &Vec<i32>) -> Mode {
[INFO] [stderr]    |               ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: taken reference of right operand
[INFO] [stderr]   --> src/main.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |         if value > &mode.count {
[INFO] [stderr]    |            ^^^^^^^^-----------
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    help: use the right value directly: `mode.count`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]   --> src/main.rs:50:28
[INFO] [stderr]    |
[INFO] [stderr] 50 |             mode.number = *key.clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]    |
[INFO] [stderr] 50 |             mode.number = *&(*key).clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]    |
[INFO] [stderr] 50 |             mode.number = *&i32::clone(key);
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/main.rs:51:26
[INFO] [stderr]    |
[INFO] [stderr] 51 |             mode.count = value.clone();
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `measure_numbers`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ccb57185a7e62cf80800a6905228935a2c55b9a6e218603790dc657777361c57"`
[INFO] running `"docker" "rm" "-f" "ccb57185a7e62cf80800a6905228935a2c55b9a6e218603790dc657777361c57"`
[INFO] [stdout] ccb57185a7e62cf80800a6905228935a2c55b9a6e218603790dc657777361c57