[INFO] crate alloc_buddy_simple 0.1.2 is already in cache
[INFO] extracting crate alloc_buddy_simple 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/alloc_buddy_simple/0.1.2
[INFO] extracting crate alloc_buddy_simple 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/alloc_buddy_simple/0.1.2
[INFO] validating manifest of alloc_buddy_simple-0.1.2 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 alloc_buddy_simple-0.1.2 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 alloc_buddy_simple-0.1.2
[INFO] finished frobbing alloc_buddy_simple-0.1.2
[INFO] frobbed toml for alloc_buddy_simple-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/alloc_buddy_simple/0.1.2/Cargo.toml
[INFO] started frobbing alloc_buddy_simple-0.1.2
[INFO] finished frobbing alloc_buddy_simple-0.1.2
[INFO] frobbed toml for alloc_buddy_simple-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/alloc_buddy_simple/0.1.2/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 alloc_buddy_simple-0.1.2 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/alloc_buddy_simple/0.1.2:/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] 45dd81f94d46e908e410d52bd7fcd44b4387746c0690dac6b52f405525a6b84b
[INFO] running `"docker" "start" "-a" "45dd81f94d46e908e410d52bd7fcd44b4387746c0690dac6b52f405525a6b84b"`
[INFO] [stderr]     Checking alloc_buddy_simple v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/heap.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |         FreeBlock { next: next }
[INFO] [stderr]    |                     ^^^^^^^^^^ help: replace it with: `next`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/heap.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             heap_base: heap_base,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `heap_base`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/heap.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             heap_size: heap_size,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `heap_size`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/heap.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |             free_lists: free_lists,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `free_lists`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/heap.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             min_block_size: min_block_size,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `min_block_size`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/heap.rs:34:21
[INFO] [stderr]    |
[INFO] [stderr] 34 |         FreeBlock { next: next }
[INFO] [stderr]    |                     ^^^^^^^^^^ help: replace it with: `next`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/heap.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             heap_base: heap_base,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `heap_base`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/heap.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             heap_size: heap_size,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `heap_size`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/heap.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |             free_lists: free_lists,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `free_lists`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/heap.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             min_block_size: min_block_size,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `min_block_size`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/math.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         v = v - Wrapping(1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: replace it with: `v -= Wrapping(1)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/math.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         v = v + Wrapping(1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: replace it with: `v += Wrapping(1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match to destructure a single infallible pattern. Consider using `let`
[INFO] [stderr]   --> src/math.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let result = match v { Wrapping(v) => v };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `let Wrapping(result) = v;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::infallible_destructuring_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#infallible_destructuring_match
[INFO] [stderr] 
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> src/heap.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |         assert!(heap_base != ptr::null_mut());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cmp_null)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/heap.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |         assert!(free_lists.len() > 0);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!free_lists.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: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]    --> src/heap.rs:181:12
[INFO] [stderr]     |
[INFO] [stderr] 181 |         if candidate != ptr::null_mut() {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut heap::FreeBlock`)
[INFO] [stderr]    --> src/heap.rs:191:30
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let free_block_ptr = block as *mut FreeBlock;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::cast_ptr_alignment)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut heap::FreeBlock`)
[INFO] [stderr]    --> src/heap.rs:209:25
[INFO] [stderr]     |
[INFO] [stderr] 209 |         let block_ptr = block as *mut FreeBlock;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]    --> src/heap.rs:218:15
[INFO] [stderr]     |
[INFO] [stderr] 218 |         while *checking != ptr::null_mut() {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/heap.rs:250:25
[INFO] [stderr]     |
[INFO] [stderr] 250 |             let split = block.offset(size_to_split as isize);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `block.add(size_to_split)`
[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/heap.rs:307:18
[INFO] [stderr]     |
[INFO] [stderr] 307 |             Some(self.heap_base.offset((relative ^ size) as isize))
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.heap_base.add((relative ^ size))`
[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] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `alloc_buddy_simple`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/math.rs:75:23
[INFO] [stderr]    |
[INFO] [stderr] 75 |     assert_eq!(false, 4294967295.is_power_of_2());
[INFO] [stderr]    |                       ^^^^^^^^^^ help: consider: `4_294_967_295`
[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/math.rs:77:27
[INFO] [stderr]    |
[INFO] [stderr] 77 |         assert_eq!(false, 18446744073709551615.is_power_of_2());
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_446_744_073_709_551_615`
[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/math.rs:94:16
[INFO] [stderr]    |
[INFO] [stderr] 94 |     assert_eq!(8388608, 8376263.next_power_of_2());
[INFO] [stderr]    |                ^^^^^^^ help: consider: `8_388_608`
[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/math.rs:94:25
[INFO] [stderr]    |
[INFO] [stderr] 94 |     assert_eq!(8388608, 8376263.next_power_of_2());
[INFO] [stderr]    |                         ^^^^^^^ help: consider: `8_376_263`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/math.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         v = v - Wrapping(1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: replace it with: `v -= Wrapping(1)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/math.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         v = v + Wrapping(1);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: replace it with: `v += Wrapping(1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match to destructure a single infallible pattern. Consider using `let`
[INFO] [stderr]   --> src/math.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let result = match v { Wrapping(v) => v };
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `let Wrapping(result) = v;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::infallible_destructuring_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#infallible_destructuring_match
[INFO] [stderr] 
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]   --> src/heap.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |         assert!(heap_base != ptr::null_mut());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cmp_null)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/heap.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |         assert!(free_lists.len() > 0);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!free_lists.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: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]    --> src/heap.rs:181:12
[INFO] [stderr]     |
[INFO] [stderr] 181 |         if candidate != ptr::null_mut() {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut heap::FreeBlock`)
[INFO] [stderr]    --> src/heap.rs:191:30
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let free_block_ptr = block as *mut FreeBlock;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::cast_ptr_alignment)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut heap::FreeBlock`)
[INFO] [stderr]    --> src/heap.rs:209:25
[INFO] [stderr]     |
[INFO] [stderr] 209 |         let block_ptr = block as *mut FreeBlock;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_ptr_alignment
[INFO] [stderr] 
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]    --> src/heap.rs:218:15
[INFO] [stderr]     |
[INFO] [stderr] 218 |         while *checking != ptr::null_mut() {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/heap.rs:250:25
[INFO] [stderr]     |
[INFO] [stderr] 250 |             let split = block.offset(size_to_split as isize);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `block.add(size_to_split)`
[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/heap.rs:307:18
[INFO] [stderr]     |
[INFO] [stderr] 307 |             Some(self.heap_base.offset((relative ^ size) as isize))
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.heap_base.add((relative ^ size))`
[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: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/heap.rs:365:56
[INFO] [stderr]     |
[INFO] [stderr] 365 |             let mut free_lists: [*mut FreeBlock; 5] = [0 as *mut _; 5];
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::zero_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/heap.rs:403:56
[INFO] [stderr]     |
[INFO] [stderr] 403 |             let mut free_lists: [*mut FreeBlock; 5] = [0 as *mut _; 5];
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: `0 as *mut _` detected. Consider using `ptr::null_mut()`
[INFO] [stderr]    --> src/heap.rs:433:56
[INFO] [stderr]     |
[INFO] [stderr] 433 |             let mut free_lists: [*mut FreeBlock; 5] = [0 as *mut _; 5];
[INFO] [stderr]     |                                                        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_ptr
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `alloc_buddy_simple`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "45dd81f94d46e908e410d52bd7fcd44b4387746c0690dac6b52f405525a6b84b"`
[INFO] running `"docker" "rm" "-f" "45dd81f94d46e908e410d52bd7fcd44b4387746c0690dac6b52f405525a6b84b"`
[INFO] [stdout] 45dd81f94d46e908e410d52bd7fcd44b4387746c0690dac6b52f405525a6b84b