[INFO] crate dlmalloc 0.1.1 is already in cache
[INFO] extracting crate dlmalloc 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/dlmalloc/0.1.1
[INFO] extracting crate dlmalloc 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/dlmalloc/0.1.1
[INFO] validating manifest of dlmalloc-0.1.1 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 dlmalloc-0.1.1 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 dlmalloc-0.1.1
[INFO] finished frobbing dlmalloc-0.1.1
[INFO] frobbed toml for dlmalloc-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/dlmalloc/0.1.1/Cargo.toml
[INFO] started frobbing dlmalloc-0.1.1
[INFO] finished frobbing dlmalloc-0.1.1
[INFO] frobbed toml for dlmalloc-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/dlmalloc/0.1.1/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 dlmalloc-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/dlmalloc/0.1.1:/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] fc064d68864c0a1b1693e283498083f511fb23056a487cb361c79bd245504001
[INFO] running `"docker" "start" "-a" "fc064d68864c0a1b1693e283498083f511fb23056a487cb361c79bd245504001"`
[INFO] [stderr]    Compiling dlmalloc v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/dlmalloc.rs:411:9
[INFO] [stderr]     |
[INFO] [stderr] 411 |         return ptr::null_mut()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ptr::null_mut()`
[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: unneeded return statement
[INFO] [stderr]    --> src/dlmalloc.rs:431:9
[INFO] [stderr]     |
[INFO] [stderr] 431 |         return ptr
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `ptr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/dlmalloc.rs:483:13
[INFO] [stderr]     |
[INFO] [stderr] 483 |             return p
[INFO] [stderr]     |             ^^^^^^^^ help: remove `return` as shown: `p`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/dlmalloc.rs:542:9
[INFO] [stderr]     |
[INFO] [stderr] 542 |         return newp
[INFO] [stderr]     |         ^^^^^^^^^^^ help: remove `return` as shown: `newp`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/dlmalloc.rs:612:9
[INFO] [stderr]     |
[INFO] [stderr] 612 |         return mem
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `mem`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/dlmalloc.rs:736:9
[INFO] [stderr]     |
[INFO] [stderr] 736 |         return ret
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `ret`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]     --> src/dlmalloc.rs:1014:46
[INFO] [stderr]      |
[INFO] [stderr] 1014 |                     let c = &mut (*t).child[(k >> mem::size_of::<usize>() * 8 - 1) & 1];
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `k >> (mem::size_of::<usize>() * 8 - 1)`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]     --> src/dlmalloc.rs:1126:16
[INFO] [stderr]      |
[INFO] [stderr] 1126 |           } else {
[INFO] [stderr]      |  ________________^
[INFO] [stderr] 1127 | |             if (*xp).child[0] == chunk {
[INFO] [stderr] 1128 | |                 (*xp).child[0] = r;
[INFO] [stderr] 1129 | |             } else {
[INFO] [stderr] 1130 | |                 (*xp).child[1] = r;
[INFO] [stderr] 1131 | |             }
[INFO] [stderr] 1132 | |         }
[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] 1126 |         } else if (*xp).child[0] == chunk {
[INFO] [stderr] 1127 |     (*xp).child[0] = r;
[INFO] [stderr] 1128 | } else {
[INFO] [stderr] 1129 |     (*xp).child[1] = r;
[INFO] [stderr] 1130 | }
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]     --> src/dlmalloc.rs:1240:17
[INFO] [stderr]      |
[INFO] [stderr] 1240 | /                 if !Segment::is_extern(sp) {
[INFO] [stderr] 1241 | |                     if Segment::can_release_part(sp) {
[INFO] [stderr] 1242 | |                         if (*sp).size >= extra && !self.has_segment_link(sp) {
[INFO] [stderr] 1243 | |                             let newsize = (*sp).size - extra;
[INFO] [stderr] ...    |
[INFO] [stderr] 1248 | |                     }
[INFO] [stderr] 1249 | |                 }
[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] 1240 |                 if !Segment::is_extern(sp) && Segment::can_release_part(sp) {
[INFO] [stderr] 1241 |     if (*sp).size >= extra && !self.has_segment_link(sp) {
[INFO] [stderr] 1242 |         let newsize = (*sp).size - extra;
[INFO] [stderr] 1243 |         if sys::free_part((*sp).base, (*sp).size, newsize) {
[INFO] [stderr] 1244 |             released = extra;
[INFO] [stderr] 1245 |         }
[INFO] [stderr]    ...
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]     --> src/dlmalloc.rs:1241:21
[INFO] [stderr]      |
[INFO] [stderr] 1241 | /                     if Segment::can_release_part(sp) {
[INFO] [stderr] 1242 | |                         if (*sp).size >= extra && !self.has_segment_link(sp) {
[INFO] [stderr] 1243 | |                             let newsize = (*sp).size - extra;
[INFO] [stderr] 1244 | |                             if sys::free_part((*sp).base, (*sp).size, newsize) {
[INFO] [stderr] ...    |
[INFO] [stderr] 1247 | |                         }
[INFO] [stderr] 1248 | |                     }
[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] 1241 |                     if Segment::can_release_part(sp) && (*sp).size >= extra && !self.has_segment_link(sp) {
[INFO] [stderr] 1242 |     let newsize = (*sp).size - extra;
[INFO] [stderr] 1243 |     if sys::free_part((*sp).base, (*sp).size, newsize) {
[INFO] [stderr] 1244 |         released = extra;
[INFO] [stderr] 1245 |     }
[INFO] [stderr] 1246 | }
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     --> src/dlmalloc.rs:1330:9
[INFO] [stderr]      |
[INFO] [stderr] 1330 |         return released
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `released`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/dlmalloc.rs:411:9
[INFO] [stderr]     |
[INFO] [stderr] 411 |         return ptr::null_mut()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ptr::null_mut()`
[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: unneeded return statement
[INFO] [stderr]    --> src/dlmalloc.rs:431:9
[INFO] [stderr]     |
[INFO] [stderr] 431 |         return ptr
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `ptr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/dlmalloc.rs:483:13
[INFO] [stderr]     |
[INFO] [stderr] 483 |             return p
[INFO] [stderr]     |             ^^^^^^^^ help: remove `return` as shown: `p`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/dlmalloc.rs:542:9
[INFO] [stderr]     |
[INFO] [stderr] 542 |         return newp
[INFO] [stderr]     |         ^^^^^^^^^^^ help: remove `return` as shown: `newp`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/dlmalloc.rs:612:9
[INFO] [stderr]     |
[INFO] [stderr] 612 |         return mem
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `mem`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/dlmalloc.rs:736:9
[INFO] [stderr]     |
[INFO] [stderr] 736 |         return ret
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `ret`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]     --> src/dlmalloc.rs:1014:46
[INFO] [stderr]      |
[INFO] [stderr] 1014 |                     let c = &mut (*t).child[(k >> mem::size_of::<usize>() * 8 - 1) & 1];
[INFO] [stderr]      |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `k >> (mem::size_of::<usize>() * 8 - 1)`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]     --> src/dlmalloc.rs:1126:16
[INFO] [stderr]      |
[INFO] [stderr] 1126 |           } else {
[INFO] [stderr]      |  ________________^
[INFO] [stderr] 1127 | |             if (*xp).child[0] == chunk {
[INFO] [stderr] 1128 | |                 (*xp).child[0] = r;
[INFO] [stderr] 1129 | |             } else {
[INFO] [stderr] 1130 | |                 (*xp).child[1] = r;
[INFO] [stderr] 1131 | |             }
[INFO] [stderr] 1132 | |         }
[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] 1126 |         } else if (*xp).child[0] == chunk {
[INFO] [stderr] 1127 |     (*xp).child[0] = r;
[INFO] [stderr] 1128 | } else {
[INFO] [stderr] 1129 |     (*xp).child[1] = r;
[INFO] [stderr] 1130 | }
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]     --> src/dlmalloc.rs:1240:17
[INFO] [stderr]      |
[INFO] [stderr] 1240 | /                 if !Segment::is_extern(sp) {
[INFO] [stderr] 1241 | |                     if Segment::can_release_part(sp) {
[INFO] [stderr] 1242 | |                         if (*sp).size >= extra && !self.has_segment_link(sp) {
[INFO] [stderr] 1243 | |                             let newsize = (*sp).size - extra;
[INFO] [stderr] ...    |
[INFO] [stderr] 1248 | |                     }
[INFO] [stderr] 1249 | |                 }
[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] 1240 |                 if !Segment::is_extern(sp) && Segment::can_release_part(sp) {
[INFO] [stderr] 1241 |     if (*sp).size >= extra && !self.has_segment_link(sp) {
[INFO] [stderr] 1242 |         let newsize = (*sp).size - extra;
[INFO] [stderr] 1243 |         if sys::free_part((*sp).base, (*sp).size, newsize) {
[INFO] [stderr] 1244 |             released = extra;
[INFO] [stderr] 1245 |         }
[INFO] [stderr]    ...
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]     --> src/dlmalloc.rs:1241:21
[INFO] [stderr]      |
[INFO] [stderr] 1241 | /                     if Segment::can_release_part(sp) {
[INFO] [stderr] 1242 | |                         if (*sp).size >= extra && !self.has_segment_link(sp) {
[INFO] [stderr] 1243 | |                             let newsize = (*sp).size - extra;
[INFO] [stderr] 1244 | |                             if sys::free_part((*sp).base, (*sp).size, newsize) {
[INFO] [stderr] ...    |
[INFO] [stderr] 1247 | |                         }
[INFO] [stderr] 1248 | |                     }
[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] 1241 |                     if Segment::can_release_part(sp) && (*sp).size >= extra && !self.has_segment_link(sp) {
[INFO] [stderr] 1242 |     let newsize = (*sp).size - extra;
[INFO] [stderr] 1243 |     if sys::free_part((*sp).base, (*sp).size, newsize) {
[INFO] [stderr] 1244 |         released = extra;
[INFO] [stderr] 1245 |     }
[INFO] [stderr] 1246 | }
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     --> src/dlmalloc.rs:1330:9
[INFO] [stderr]      |
[INFO] [stderr] 1330 |         return released
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `released`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:192:39
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let chunk = Chunk::to_mem(ptr as *mut Chunk);
[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 dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 | /             ptr.offset(self.align_offset(chunk) as isize)
[INFO] [stderr] 194 | |                 as *mut Chunk
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/dlmalloc.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |             ptr.offset(self.align_offset(chunk) as isize)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.add(self.align_offset(chunk))`
[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] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:358:27
[INFO] [stderr]     |
[INFO] [stderr] 358 |             self.init_top(tbase as *mut Chunk, tsize);
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/dlmalloc.rs:379:54
[INFO] [stderr]     |
[INFO] [stderr] 379 |                 while !sp.is_null() && (*sp).base != tbase.offset(tsize as isize) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `tbase.add(tsize)`
[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: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:533:20
[INFO] [stderr]     |
[INFO] [stderr] 533 |         let newp = ptr.offset(offset as isize) as *mut Chunk;
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/dlmalloc.rs:533:20
[INFO] [stderr]     |
[INFO] [stderr] 533 |         let newp = ptr.offset(offset as isize) as *mut Chunk;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.add(offset)`
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/dlmalloc.rs:577:17
[INFO] [stderr]     |
[INFO] [stderr] 577 |                 (br as *mut u8).offset(alignment as isize)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(br as *mut u8).add(alignment)`
[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: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:579:24
[INFO] [stderr]     |
[INFO] [stderr] 579 |             let newp = pos as *mut Chunk;
[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] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:750:54
[INFO] [stderr]     |
[INFO] [stderr] 750 |         let offset = self.align_offset(Chunk::to_mem(rawsp as *mut Chunk));
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/dlmalloc.rs:751:19
[INFO] [stderr]     |
[INFO] [stderr] 751 |         let asp = rawsp.offset(offset as isize);
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `rawsp.add(offset)`
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/dlmalloc.rs:752:28
[INFO] [stderr]     |
[INFO] [stderr] 752 |         let csp = if asp < old_top.offset(self.min_chunk_size() as isize) {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `old_top.add(self.min_chunk_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: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:757:18
[INFO] [stderr]     |
[INFO] [stderr] 757 |         let sp = csp as *mut Chunk;
[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] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Segment`)
[INFO] [stderr]    --> src/dlmalloc.rs:758:18
[INFO] [stderr]     |
[INFO] [stderr] 758 |         let ss = Chunk::to_mem(sp) as *mut Segment;
[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] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:765:23
[INFO] [stderr]     |
[INFO] [stderr] 765 |         self.init_top(tbase as *mut Chunk, size);
[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] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:791:21
[INFO] [stderr]     |
[INFO] [stderr] 791 |             let q = old_top as *mut Chunk;
[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: this boolean expression can be simplified
[INFO] [stderr]    --> src/dlmalloc.rs:903:12
[INFO] [stderr]     |
[INFO] [stderr] 903 |         if v.is_null() || (self.dvsize >= size && !(rsize < self.dvsize - size)) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `v.is_null() || self.dvsize >= size && rsize >= self.dvsize - size`
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]     --> src/dlmalloc.rs:1299:33
[INFO] [stderr]      |
[INFO] [stderr] 1299 |                 let chunk_top = (p as *mut u8).offset(psize as isize);
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(p as *mut u8).add(psize)`
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]     --> src/dlmalloc.rs:1300:27
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                 let top = base.offset((size - self.top_foot_size()) as isize);
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `base.add((size - self.top_foot_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: the function has a cyclomatic complexity of 26
[INFO] [stderr]     --> src/dlmalloc.rs:1404:5
[INFO] [stderr]      |
[INFO] [stderr] 1404 | /     unsafe fn check_free_chunk(&self, p: *mut Chunk) {
[INFO] [stderr] 1405 | |         if !cfg!(debug_assertions) {
[INFO] [stderr] 1406 | |             return
[INFO] [stderr] 1407 | |         }
[INFO] [stderr] ...    |
[INFO] [stderr] 1426 | |         }
[INFO] [stderr] 1427 | |     }
[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: the function has a cyclomatic complexity of 49
[INFO] [stderr]     --> src/dlmalloc.rs:1498:5
[INFO] [stderr]      |
[INFO] [stderr] 1498 | /     unsafe fn check_tree(&mut self, t: *mut TreeChunk) {
[INFO] [stderr] 1499 | |         if !cfg!(debug_assertions) {
[INFO] [stderr] 1500 | |             return
[INFO] [stderr] 1501 | |         }
[INFO] [stderr] ...    |
[INFO] [stderr] 1556 | |         debug_assert!(!head.is_null());
[INFO] [stderr] 1557 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[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: the operation is ineffective. Consider reducing it to `1`
[INFO] [stderr]     --> src/dlmalloc.rs:1617:23
[INFO] [stderr]      |
[INFO] [stderr] 1617 | const PINUSE: usize = 1 << 0;
[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: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]     --> src/dlmalloc.rs:1633:9
[INFO] [stderr]      |
[INFO] [stderr] 1633 |         (me as *mut u8).offset(((*me).head & !FLAG_BITS) as isize) as *mut Chunk
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]     --> src/dlmalloc.rs:1633:9
[INFO] [stderr]      |
[INFO] [stderr] 1633 |         (me as *mut u8).offset(((*me).head & !FLAG_BITS) as isize) as *mut Chunk
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(me as *mut u8).add(((*me).head & !FLAG_BITS))`
[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: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]     --> src/dlmalloc.rs:1637:9
[INFO] [stderr]      |
[INFO] [stderr] 1637 |         (me as *mut u8).offset(-((*me).prev_foot as isize)) as *mut Chunk
[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] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]     --> src/dlmalloc.rs:1692:9
[INFO] [stderr]      |
[INFO] [stderr] 1692 |         (me as *mut u8).offset(offset as isize) as *mut Chunk
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]     --> src/dlmalloc.rs:1692:9
[INFO] [stderr]      |
[INFO] [stderr] 1692 |         (me as *mut u8).offset(offset as isize) as *mut Chunk
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(me as *mut u8).add(offset)`
[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: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]     --> src/dlmalloc.rs:1696:9
[INFO] [stderr]      |
[INFO] [stderr] 1696 |         (me as *mut u8).offset(-(offset as isize)) as *mut Chunk
[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: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]     --> src/dlmalloc.rs:1699:22
[INFO] [stderr]      |
[INFO] [stderr] 1699 |     unsafe fn to_mem(me: *mut Chunk) -> *mut u8 {
[INFO] [stderr]      |                      ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]     --> src/dlmalloc.rs:1704:9
[INFO] [stderr]      |
[INFO] [stderr] 1704 |         mem.offset(-2 * (mem::size_of::<usize>() as isize)) as *mut Chunk
[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: the operation is ineffective. Consider reducing it to `1`
[INFO] [stderr]     --> src/dlmalloc.rs:1731:21
[INFO] [stderr]      |
[INFO] [stderr] 1731 | const EXTERN: u32 = 1 << 0;
[INFO] [stderr]      |                     ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]     --> src/dlmalloc.rs:1751:9
[INFO] [stderr]      |
[INFO] [stderr] 1751 |         (*seg).base.offset((*seg).size as isize)
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(*seg).base.add((*seg).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/linux.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let addr = libc::mmap(0 as *mut _,
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]   --> src/linux.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |     libc::munmap(ptr.offset(newsize as isize) as *mut _, oldsize - newsize) == 0
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.add(newsize)`
[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: you should consider adding a `Default` implementation for `Dlmalloc`
[INFO] [stderr]   --> src/lib.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     pub fn new() -> Dlmalloc {
[INFO] [stderr] 62 | |         DLMALLOC_INIT
[INFO] [stderr] 63 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 59 | impl Default for Dlmalloc {
[INFO] [stderr] 60 |     fn default() -> Self {
[INFO] [stderr] 61 |         Self::new()
[INFO] [stderr] 62 |     }
[INFO] [stderr] 63 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a value that implements Copy. Dropping a copy leaves the original intact.
[INFO] [stderr]   --> src/lib.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         drop((size, align));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::drop_copy)] on by default
[INFO] [stderr] note: argument has type (usize, usize)
[INFO] [stderr]   --> src/lib.rs:99:14
[INFO] [stderr]    |
[INFO] [stderr] 99 |         drop((size, align));
[INFO] [stderr]    |              ^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `dlmalloc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:192:39
[INFO] [stderr]     |
[INFO] [stderr] 192 |             let chunk = Chunk::to_mem(ptr as *mut Chunk);
[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 dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 | /             ptr.offset(self.align_offset(chunk) as isize)
[INFO] [stderr] 194 | |                 as *mut Chunk
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/dlmalloc.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |             ptr.offset(self.align_offset(chunk) as isize)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.add(self.align_offset(chunk))`
[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] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:358:27
[INFO] [stderr]     |
[INFO] [stderr] 358 |             self.init_top(tbase as *mut Chunk, tsize);
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/dlmalloc.rs:379:54
[INFO] [stderr]     |
[INFO] [stderr] 379 |                 while !sp.is_null() && (*sp).base != tbase.offset(tsize as isize) {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `tbase.add(tsize)`
[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: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:533:20
[INFO] [stderr]     |
[INFO] [stderr] 533 |         let newp = ptr.offset(offset as isize) as *mut Chunk;
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/dlmalloc.rs:533:20
[INFO] [stderr]     |
[INFO] [stderr] 533 |         let newp = ptr.offset(offset as isize) as *mut Chunk;
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.add(offset)`
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/dlmalloc.rs:577:17
[INFO] [stderr]     |
[INFO] [stderr] 577 |                 (br as *mut u8).offset(alignment as isize)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(br as *mut u8).add(alignment)`
[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: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:579:24
[INFO] [stderr]     |
[INFO] [stderr] 579 |             let newp = pos as *mut Chunk;
[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] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:750:54
[INFO] [stderr]     |
[INFO] [stderr] 750 |         let offset = self.align_offset(Chunk::to_mem(rawsp as *mut Chunk));
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/dlmalloc.rs:751:19
[INFO] [stderr]     |
[INFO] [stderr] 751 |         let asp = rawsp.offset(offset as isize);
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `rawsp.add(offset)`
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/dlmalloc.rs:752:28
[INFO] [stderr]     |
[INFO] [stderr] 752 |         let csp = if asp < old_top.offset(self.min_chunk_size() as isize) {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `old_top.add(self.min_chunk_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: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:757:18
[INFO] [stderr]     |
[INFO] [stderr] 757 |         let sp = csp as *mut Chunk;
[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] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Segment`)
[INFO] [stderr]    --> src/dlmalloc.rs:758:18
[INFO] [stderr]     |
[INFO] [stderr] 758 |         let ss = Chunk::to_mem(sp) as *mut Segment;
[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] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:765:23
[INFO] [stderr]     |
[INFO] [stderr] 765 |         self.init_top(tbase as *mut Chunk, size);
[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] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]    --> src/dlmalloc.rs:791:21
[INFO] [stderr]     |
[INFO] [stderr] 791 |             let q = old_top as *mut Chunk;
[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: this boolean expression can be simplified
[INFO] [stderr]    --> src/dlmalloc.rs:903:12
[INFO] [stderr]     |
[INFO] [stderr] 903 |         if v.is_null() || (self.dvsize >= size && !(rsize < self.dvsize - size)) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `v.is_null() || self.dvsize >= size && rsize >= self.dvsize - size`
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]     --> src/dlmalloc.rs:1299:33
[INFO] [stderr]      |
[INFO] [stderr] 1299 |                 let chunk_top = (p as *mut u8).offset(psize as isize);
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(p as *mut u8).add(psize)`
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]     --> src/dlmalloc.rs:1300:27
[INFO] [stderr]      |
[INFO] [stderr] 1300 |                 let top = base.offset((size - self.top_foot_size()) as isize);
[INFO] [stderr]      |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `base.add((size - self.top_foot_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: the function has a cyclomatic complexity of 26
[INFO] [stderr]     --> src/dlmalloc.rs:1404:5
[INFO] [stderr]      |
[INFO] [stderr] 1404 | /     unsafe fn check_free_chunk(&self, p: *mut Chunk) {
[INFO] [stderr] 1405 | |         if !cfg!(debug_assertions) {
[INFO] [stderr] 1406 | |             return
[INFO] [stderr] 1407 | |         }
[INFO] [stderr] ...    |
[INFO] [stderr] 1426 | |         }
[INFO] [stderr] 1427 | |     }
[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: the function has a cyclomatic complexity of 49
[INFO] [stderr]     --> src/dlmalloc.rs:1498:5
[INFO] [stderr]      |
[INFO] [stderr] 1498 | /     unsafe fn check_tree(&mut self, t: *mut TreeChunk) {
[INFO] [stderr] 1499 | |         if !cfg!(debug_assertions) {
[INFO] [stderr] 1500 | |             return
[INFO] [stderr] 1501 | |         }
[INFO] [stderr] ...    |
[INFO] [stderr] 1556 | |         debug_assert!(!head.is_null());
[INFO] [stderr] 1557 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[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: the operation is ineffective. Consider reducing it to `1`
[INFO] [stderr]     --> src/dlmalloc.rs:1617:23
[INFO] [stderr]      |
[INFO] [stderr] 1617 | const PINUSE: usize = 1 << 0;
[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: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]     --> src/dlmalloc.rs:1633:9
[INFO] [stderr]      |
[INFO] [stderr] 1633 |         (me as *mut u8).offset(((*me).head & !FLAG_BITS) as isize) as *mut Chunk
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]     --> src/dlmalloc.rs:1633:9
[INFO] [stderr]      |
[INFO] [stderr] 1633 |         (me as *mut u8).offset(((*me).head & !FLAG_BITS) as isize) as *mut Chunk
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(me as *mut u8).add(((*me).head & !FLAG_BITS))`
[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: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]     --> src/dlmalloc.rs:1637:9
[INFO] [stderr]      |
[INFO] [stderr] 1637 |         (me as *mut u8).offset(-((*me).prev_foot as isize)) as *mut Chunk
[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] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]     --> src/dlmalloc.rs:1692:9
[INFO] [stderr]      |
[INFO] [stderr] 1692 |         (me as *mut u8).offset(offset as isize) as *mut Chunk
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]     --> src/dlmalloc.rs:1692:9
[INFO] [stderr]      |
[INFO] [stderr] 1692 |         (me as *mut u8).offset(offset as isize) as *mut Chunk
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(me as *mut u8).add(offset)`
[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: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]     --> src/dlmalloc.rs:1696:9
[INFO] [stderr]      |
[INFO] [stderr] 1696 |         (me as *mut u8).offset(-(offset as isize)) as *mut Chunk
[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: methods called `to_*` usually take self by reference; consider choosing a less ambiguous name
[INFO] [stderr]     --> src/dlmalloc.rs:1699:22
[INFO] [stderr]      |
[INFO] [stderr] 1699 |     unsafe fn to_mem(me: *mut Chunk) -> *mut u8 {
[INFO] [stderr]      |                      ^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] error: casting from `*mut u8` to a more-strictly-aligned pointer (`*mut dlmalloc::Chunk`)
[INFO] [stderr]     --> src/dlmalloc.rs:1704:9
[INFO] [stderr]      |
[INFO] [stderr] 1704 |         mem.offset(-2 * (mem::size_of::<usize>() as isize)) as *mut Chunk
[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: the operation is ineffective. Consider reducing it to `1`
[INFO] [stderr]     --> src/dlmalloc.rs:1731:21
[INFO] [stderr]      |
[INFO] [stderr] 1731 | const EXTERN: u32 = 1 << 0;
[INFO] [stderr]      |                     ^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]     --> src/dlmalloc.rs:1751:9
[INFO] [stderr]      |
[INFO] [stderr] 1751 |         (*seg).base.offset((*seg).size as isize)
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(*seg).base.add((*seg).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/linux.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let addr = libc::mmap(0 as *mut _,
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]   --> src/linux.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |     libc::munmap(ptr.offset(newsize as isize) as *mut _, oldsize - newsize) == 0
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.add(newsize)`
[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: you should consider adding a `Default` implementation for `Dlmalloc`
[INFO] [stderr]   --> src/lib.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | /     pub fn new() -> Dlmalloc {
[INFO] [stderr] 62 | |         DLMALLOC_INIT
[INFO] [stderr] 63 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 59 | impl Default for Dlmalloc {
[INFO] [stderr] 60 |     fn default() -> Self {
[INFO] [stderr] 61 |         Self::new()
[INFO] [stderr] 62 |     }
[INFO] [stderr] 63 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a value that implements Copy. Dropping a copy leaves the original intact.
[INFO] [stderr]   --> src/lib.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         drop((size, align));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::drop_copy)] on by default
[INFO] [stderr] note: argument has type (usize, usize)
[INFO] [stderr]   --> src/lib.rs:99:14
[INFO] [stderr]    |
[INFO] [stderr] 99 |         drop((size, align));
[INFO] [stderr]    |              ^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `dlmalloc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fc064d68864c0a1b1693e283498083f511fb23056a487cb361c79bd245504001"`
[INFO] running `"docker" "rm" "-f" "fc064d68864c0a1b1693e283498083f511fb23056a487cb361c79bd245504001"`
[INFO] [stdout] fc064d68864c0a1b1693e283498083f511fb23056a487cb361c79bd245504001