[INFO] crate kth 0.1.0 is already in cache
[INFO] extracting crate kth 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/kth/0.1.0
[INFO] extracting crate kth 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/kth/0.1.0
[INFO] validating manifest of kth-0.1.0 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 kth-0.1.0 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 kth-0.1.0
[INFO] finished frobbing kth-0.1.0
[INFO] frobbed toml for kth-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/kth/0.1.0/Cargo.toml
[INFO] started frobbing kth-0.1.0
[INFO] finished frobbing kth-0.1.0
[INFO] frobbed toml for kth-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/kth/0.1.0/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 kth-0.1.0 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/kth/0.1.0:/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] d3f87b3b61ce2308c85c54f1956c9d28106c08efbad05e83c2caa29ca785647f
[INFO] running `"docker" "start" "-a" "d3f87b3b61ce2308c85c54f1956c9d28106c08efbad05e83c2caa29ca785647f"`
[INFO] [stderr] warning: `panic` setting is ignored for `test` profile
[INFO] [stderr]     Checking index-fixed v0.0.2
[INFO] [stderr]    Compiling kth v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/quickselect.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let a = 0; let b = 1; let c = 2; let d = 3; let e = 4;
[INFO] [stderr]     |                                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/quickselect.rs:106:53
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let a = 0; let b = 1; let c = 2; let d = 3; let e = 4;
[INFO] [stderr]     |                                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/quickselect.rs:230:13
[INFO] [stderr]     |
[INFO] [stderr] 230 |     let mut m = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/quickselect.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let a = 0; let b = 1; let c = 2; let d = 3; let e = 4;
[INFO] [stderr]     |                                          ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/quickselect.rs:106:53
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let a = 0; let b = 1; let c = 2; let d = 3; let e = 4;
[INFO] [stderr]     |                                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/quickselect.rs:230:13
[INFO] [stderr]     |
[INFO] [stderr] 230 |     let mut m = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/quickselect.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 159 |       } else {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 160 | |         if a[0] <= a[2] {
[INFO] [stderr] 161 | |             a.swap(0,1);
[INFO] [stderr] 162 | |         } else {
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |         }
[INFO] [stderr] 171 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 159 |     } else if a[0] <= a[2] {
[INFO] [stderr] 160 |     a.swap(0,1);
[INFO] [stderr] 161 | } else {
[INFO] [stderr] 162 |     // 1 < 0 && 2 < 0
[INFO] [stderr] 163 |     if a[1] < a[2] {
[INFO] [stderr] 164 |         a.swap(0,1);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/quickselect.rs:151:16
[INFO] [stderr]     |
[INFO] [stderr] 151 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 152 | |             if a[0] <= a[2] {
[INFO] [stderr] 153 | |                 a.swap(1,2);
[INFO] [stderr] 154 | |             } else {
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |             }
[INFO] [stderr] 158 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 151 |         } else if a[0] <= a[2] {
[INFO] [stderr] 152 |     a.swap(1,2);
[INFO] [stderr] 153 | } else {
[INFO] [stderr] 154 |     a.swap(0,1);
[INFO] [stderr] 155 |     a.swap(0,2);
[INFO] [stderr] 156 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut T`) to a reference type (`&mut [T; 3]`)
[INFO] [stderr]    --> src/quickselect.rs:223:15
[INFO] [stderr]     |
[INFO] [stderr] 223 |         sort3(index_fixed!(&mut a;..3));
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut T`) to a reference type (`&mut [T; 3]`)
[INFO] [stderr]    --> src/quickselect.rs:232:15
[INFO] [stderr]     |
[INFO] [stderr] 232 |         sort3(index_fixed!(&mut a;..3));
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/quickselect.rs:319:19
[INFO] [stderr]     |
[INFO] [stderr] 319 |     debug_assert!(arr.len() > 0);
[INFO] [stderr]     |                   ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!arr.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/quickselect.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 159 |       } else {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 160 | |         if a[0] <= a[2] {
[INFO] [stderr] 161 | |             a.swap(0,1);
[INFO] [stderr] 162 | |         } else {
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |         }
[INFO] [stderr] 171 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 159 |     } else if a[0] <= a[2] {
[INFO] [stderr] 160 |     a.swap(0,1);
[INFO] [stderr] 161 | } else {
[INFO] [stderr] 162 |     // 1 < 0 && 2 < 0
[INFO] [stderr] 163 |     if a[1] < a[2] {
[INFO] [stderr] 164 |         a.swap(0,1);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/quickselect.rs:151:16
[INFO] [stderr]     |
[INFO] [stderr] 151 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 152 | |             if a[0] <= a[2] {
[INFO] [stderr] 153 | |                 a.swap(1,2);
[INFO] [stderr] 154 | |             } else {
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |             }
[INFO] [stderr] 158 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 151 |         } else if a[0] <= a[2] {
[INFO] [stderr] 152 |     a.swap(1,2);
[INFO] [stderr] 153 | } else {
[INFO] [stderr] 154 |     a.swap(0,1);
[INFO] [stderr] 155 |     a.swap(0,2);
[INFO] [stderr] 156 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/quickselect.rs:377:20
[INFO] [stderr]     |
[INFO] [stderr] 377 |               } else if i > p {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 378 | |                 if !(x[i] >= x[p]) {
[INFO] [stderr] 379 | |                     return true;
[INFO] [stderr] 380 | |                 }
[INFO] [stderr] 381 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 377 |             } else if i > p && !(x[i] >= x[p]) {
[INFO] [stderr] 378 |     return true;
[INFO] [stderr] 379 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/quickselect.rs:397:9
[INFO] [stderr]     |
[INFO] [stderr] 397 |         return Ok(p);
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(p)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut T`) to a reference type (`&mut [T; 3]`)
[INFO] [stderr]    --> src/quickselect.rs:223:15
[INFO] [stderr]     |
[INFO] [stderr] 223 |         sort3(index_fixed!(&mut a;..3));
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut T`) to a reference type (`&mut [T; 3]`)
[INFO] [stderr]    --> src/quickselect.rs:232:15
[INFO] [stderr]     |
[INFO] [stderr] 232 |         sort3(index_fixed!(&mut a;..3));
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut T`) to a reference type (`&mut [T; 5]`)
[INFO] [stderr]    --> src/quickselect.rs:265:20
[INFO] [stderr]     |
[INFO] [stderr] 265 |         partition5(index_fixed!(&mut a;..5));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/quickselect.rs:319:19
[INFO] [stderr]     |
[INFO] [stderr] 319 |     debug_assert!(arr.len() > 0);
[INFO] [stderr]     |                   ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!arr.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]    --> src/quickselect.rs:374:20
[INFO] [stderr]     |
[INFO] [stderr] 374 |                 if !(x[i] <= x[p]) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: try: `x[i] > x[p]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]    --> src/quickselect.rs:378:20
[INFO] [stderr]     |
[INFO] [stderr] 378 |                 if !(x[i] >= x[p]) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: try: `x[i] < x[p]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]    --> src/quickselect.rs:390:12
[INFO] [stderr]     |
[INFO] [stderr] 390 |         if !(op == x[p]) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^ help: try: `op != x[p]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut T`) to a reference type (`&mut [T; 5]`)
[INFO] [stderr]    --> src/quickselect.rs:406:21
[INFO] [stderr]     |
[INFO] [stderr] 406 |             let d = index_fixed!(&mut d;..5);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut T`) to a reference type (`&mut [T; 5]`)
[INFO] [stderr]    --> src/quickselect.rs:416:21
[INFO] [stderr]     |
[INFO] [stderr] 416 |             let d = index_fixed!(&mut d;..5);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut T`) to a reference type (`&mut [T; 5]`)
[INFO] [stderr]    --> src/quickselect.rs:427:21
[INFO] [stderr]     |
[INFO] [stderr] 427 |             let d = index_fixed!(&mut d;..5);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut T`) to a reference type (`&mut [T; 3]`)
[INFO] [stderr]    --> src/quickselect.rs:438:21
[INFO] [stderr]     |
[INFO] [stderr] 438 |             let d = index_fixed!(&mut d;..3);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/quickselect.rs:448:16
[INFO] [stderr]     |
[INFO] [stderr] 448 |             if d.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `d.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `is_partitioned` doesn't need a mutable reference
[INFO] [stderr]    --> src/quickselect.rs:456:50
[INFO] [stderr]     |
[INFO] [stderr] 456 |             TestResult::from_bool(is_partitioned(&mut d[..], po))
[INFO] [stderr]     |                                                  ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/quickselect.rs:461:16
[INFO] [stderr]     |
[INFO] [stderr] 461 |             if d.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `d.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `is_partitioned` doesn't need a mutable reference
[INFO] [stderr]    --> src/quickselect.rs:469:50
[INFO] [stderr]     |
[INFO] [stderr] 469 |             TestResult::from_bool(is_partitioned(&mut d[..], po))
[INFO] [stderr]     |                                                  ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/quickselect.rs:474:16
[INFO] [stderr]     |
[INFO] [stderr] 474 |             if d.len() == 0 {
[INFO] [stderr]     |                ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `d.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> tests/slice.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |           } else if i > p {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 15 | |             if !(x[i] >= x[p]) {
[INFO] [stderr] 16 | |                 return true;
[INFO] [stderr] 17 | |             }
[INFO] [stderr] 18 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 14 |         } else if i > p && !(x[i] >= x[p]) {
[INFO] [stderr] 15 |     return true;
[INFO] [stderr] 16 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/slice.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let mut d = &mut d[..];
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> tests/slice.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |             if !(x[i] <= x[p]) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: try: `x[i] > x[p]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> tests/slice.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |             if !(x[i] >= x[p]) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: try: `x[i] < x[p]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> tests/slice.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |             if data.len() == 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `data.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `"docker" "inspect" "d3f87b3b61ce2308c85c54f1956c9d28106c08efbad05e83c2caa29ca785647f"`
[INFO] running `"docker" "rm" "-f" "d3f87b3b61ce2308c85c54f1956c9d28106c08efbad05e83c2caa29ca785647f"`
[INFO] [stdout] d3f87b3b61ce2308c85c54f1956c9d28106c08efbad05e83c2caa29ca785647f