[INFO] crate reffers 0.5.1 is already in cache
[INFO] extracting crate reffers 0.5.1 into work/ex/clippy-test-run/sources/stable/reg/reffers/0.5.1
[INFO] extracting crate reffers 0.5.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/reffers/0.5.1
[INFO] validating manifest of reffers-0.5.1 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 reffers-0.5.1 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 reffers-0.5.1
[INFO] finished frobbing reffers-0.5.1
[INFO] frobbed toml for reffers-0.5.1 written to work/ex/clippy-test-run/sources/stable/reg/reffers/0.5.1/Cargo.toml
[INFO] started frobbing reffers-0.5.1
[INFO] finished frobbing reffers-0.5.1
[INFO] frobbed toml for reffers-0.5.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/reffers/0.5.1/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 reffers-0.5.1 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/reffers/0.5.1:/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 -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 36a6750daa7148a9feb94f05ed421896041ce10ee31f26daeab9d9fdf70b3ebf
[INFO] running `"docker" "start" "-a" "36a6750daa7148a9feb94f05ed421896041ce10ee31f26daeab9d9fdf70b3ebf"`
[INFO] [stderr]     Checking reffers v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/aref.rs:441:13
[INFO] [stderr]     |
[INFO] [stderr] 441 |             target: target,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `target`
[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/aref.rs:441:13
[INFO] [stderr]     |
[INFO] [stderr] 441 |             target: target,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `target`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/arc.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 |         r
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/arc.rs:225:17
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let r = ArcPtr(z, PhantomData);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/rc_bitmask.rs:200:41
[INFO] [stderr]     |
[INFO] [stderr] 200 |     assert_eq!(u32::SHIFTED[BM_REF],    0x00000004);
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: consider: `0x0000_0004`
[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/rc_bitmask.rs:201:41
[INFO] [stderr]     |
[INFO] [stderr] 201 |     assert_eq!(u32::MASKS[BM_REF],      0x00000ffc);
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: consider: `0x0000_0ffc`
[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/rc_bitmask.rs:202:41
[INFO] [stderr]     |
[INFO] [stderr] 202 |     assert_eq!(u32::SHIFTED[BM_STRONG], 0x00001000);
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: consider: `0x0000_1000`
[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/rc_bitmask.rs:203:41
[INFO] [stderr]     |
[INFO] [stderr] 203 |     assert_eq!(u32::MASKS[BM_STRONG],   0x003ff000);
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: consider: `0x003f_f000`
[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/rc_bitmask.rs:204:41
[INFO] [stderr]     |
[INFO] [stderr] 204 |     assert_eq!(u32::SHIFTED[BM_WEAK],   0x00400000);
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: consider: `0x0040_0000`
[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/rc_bitmask.rs:205:41
[INFO] [stderr]     |
[INFO] [stderr] 205 |     assert_eq!(u32::MASKS[BM_WEAK],     0xffc00000);
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: consider: `0xffc0_0000`
[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/rc_bitmask.rs:208:19
[INFO] [stderr]     |
[INFO] [stderr] 208 |     assert_eq!(m, 0x00400000);
[INFO] [stderr]     |                   ^^^^^^^^^^ help: consider: `0x0040_0000`
[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/rc_bitmask.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |     m = 0xffc00000;
[INFO] [stderr]     |         ^^^^^^^^^^ help: consider: `0xffc0_0000`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/arc.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 |         r
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/arc.rs:225:17
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let r = ArcPtr(z, PhantomData);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/aref.rs:295:5
[INFO] [stderr]     |
[INFO] [stderr] 295 |     fn ne(&self, other: &Self) -> bool { **self != **other }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::partialeq_ne_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/aref.rs:302:5
[INFO] [stderr]     |
[INFO] [stderr] 302 |     fn ne(&self, other: &Self) -> bool { self.0.ne(&other.0) }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/aref.rs:309:5
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn ne(&self, other: &Self) -> bool { self.0.ne(&other.0) }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/aref.rs:531:31
[INFO] [stderr]     |
[INFO] [stderr] 531 |         self.0.try_map(f).map(|z| ARefs(z))
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: remove closure as shown: `ARefs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/aref.rs:579:31
[INFO] [stderr]     |
[INFO] [stderr] 579 |         self.0.try_map(f).map(|z| ARefss(z))
[INFO] [stderr]     |                               ^^^^^^^^^^^^^ help: remove closure as shown: `ARefss`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/rmba.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | /         match self {
[INFO] [stderr] 21 | |             &SlowRMBA::Ref(ref t) => Some(SlowRMBA::Ref(t)),
[INFO] [stderr] 22 | |             &SlowRMBA::Arc(ref t) => Some(SlowRMBA::Arc(t.clone())),
[INFO] [stderr] 23 | |             _ => None,
[INFO] [stderr] 24 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 20 |         match *self {
[INFO] [stderr] 21 |             SlowRMBA::Ref(ref t) => Some(SlowRMBA::Ref(t)),
[INFO] [stderr] 22 |             SlowRMBA::Arc(ref t) => Some(SlowRMBA::Arc(t.clone())),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/rmba.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | /         match self {
[INFO] [stderr] 30 | |             &mut SlowRMBA::RefMut(ref mut t) => Some(t),
[INFO] [stderr] 31 | |             &mut SlowRMBA::Box(ref mut t) => Some(t),
[INFO] [stderr] 32 | |             &mut SlowRMBA::Arc(ref mut t) => Arc::get_mut(t),
[INFO] [stderr] 33 | |             _ => None,
[INFO] [stderr] 34 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 29 |         match *self {
[INFO] [stderr] 30 |             SlowRMBA::RefMut(ref mut t) => Some(t),
[INFO] [stderr] 31 |             SlowRMBA::Box(ref mut t) => Some(t),
[INFO] [stderr] 32 |             SlowRMBA::Arc(ref mut t) => Arc::get_mut(t),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/rmba.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 | /         match self {
[INFO] [stderr] 44 | |             &SlowRMBA::Ref(ref t) => t,
[INFO] [stderr] 45 | |             &SlowRMBA::RefMut(ref t) => t,
[INFO] [stderr] 46 | |             &SlowRMBA::Box(ref t) => t,
[INFO] [stderr] 47 | |             &SlowRMBA::Arc(ref t) => t,
[INFO] [stderr] 48 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 43 |         match *self {
[INFO] [stderr] 44 |             SlowRMBA::Ref(ref t) => t,
[INFO] [stderr] 45 |             SlowRMBA::RefMut(ref t) => t,
[INFO] [stderr] 46 |             SlowRMBA::Box(ref t) => t,
[INFO] [stderr] 47 |             SlowRMBA::Arc(ref t) => t,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/rmba.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             *f = *f & (!3); 
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `*f &= (!3)`
[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: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]    --> src/rmba.rs:100:21
[INFO] [stderr]     |
[INFO] [stderr] 100 |             assert!(*f & 3 == 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: try: `(*f).trailing_zeros() >= 2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::verbose_bit_mask)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/rmba.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             *f = *f + add;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: replace it with: `*f += add`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/rmba.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         *f = *f - 2*mem::size_of::<AtomicUsize>();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `*f -= 2*mem::size_of::<AtomicUsize>()`
[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: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/rmba.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn ne(&self, other: &Self) -> bool { **self != **other }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/rc_bitmask.rs:66:69
[INFO] [stderr]     |
[INFO] [stderr] 66  |             fn set_state(&mut self, v: u8) { *self = (*self & !3) | ((v & 3) as $t); }
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^ help: try: `u16::from(v & 3)`
[INFO] [stderr] ...
[INFO] [stderr] 182 | rc_bit_mask_internal!(primitive, u16, 5, 4, 5);
[INFO] [stderr]     | ----------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/rc_bitmask.rs:66:69
[INFO] [stderr]     |
[INFO] [stderr] 66  |             fn set_state(&mut self, v: u8) { *self = (*self & !3) | ((v & 3) as $t); }
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^ help: try: `u32::from(v & 3)`
[INFO] [stderr] ...
[INFO] [stderr] 185 | rc_bit_mask_internal!(primitive, u32, 10, 10, 10);
[INFO] [stderr]     | -------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/rc_bitmask.rs:66:69
[INFO] [stderr]     |
[INFO] [stderr] 66  |             fn set_state(&mut self, v: u8) { *self = (*self & !3) | ((v & 3) as $t); }
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^ help: try: `u64::from(v & 3)`
[INFO] [stderr] ...
[INFO] [stderr] 191 | rc_bit_mask_internal!(primitive, u64, 21, 20, 21);
[INFO] [stderr]     | -------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u128 may become silently lossy if types change
[INFO] [stderr]    --> src/rc_bitmask.rs:66:69
[INFO] [stderr]     |
[INFO] [stderr] 66  |             fn set_state(&mut self, v: u8) { *self = (*self & !3) | ((v & 3) as $t); }
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^ help: try: `u128::from(v & 3)`
[INFO] [stderr] ...
[INFO] [stderr] 194 | rc_bit_mask_internal!(primitive, u128, 42, 42, 42);
[INFO] [stderr]     | --------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/rc.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 | /     pub fn try_get<'a>(&'a self) -> Result<RCellRef<'a, T, M>, State> {
[INFO] [stderr] 195 | |         let s = self.state();
[INFO] [stderr] 196 | |         if s != State::Available && s != State::Borrowed { return Err(s); }
[INFO] [stderr] 197 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 202 | |         Ok(RCellRef(self))
[INFO] [stderr] 203 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/rc.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 | /     pub fn try_get_mut<'a>(&'a self) -> Result<RCellRefMut<'a, T, M>, State> {
[INFO] [stderr] 206 | |         let s = self.state();
[INFO] [stderr] 207 | |         if s != State::Available { return Err(s); }
[INFO] [stderr] 208 | |         self.set_state(State::BorrowedMut);
[INFO] [stderr] 209 | |         Ok(RCellRefMut(self))
[INFO] [stderr] 210 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/rc.rs:321:46
[INFO] [stderr]     |
[INFO] [stderr] 321 |         unsafe { slice::from_raw_parts_mut((*s).data.as_mut_ptr(), (*s).len as usize) }
[INFO] [stderr]     |                                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::not_unsafe_ptr_arg_deref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/rc.rs:321:70
[INFO] [stderr]     |
[INFO] [stderr] 321 |         unsafe { slice::from_raw_parts_mut((*s).data.as_mut_ptr(), (*s).len as usize) }
[INFO] [stderr]     |                                                                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/rc.rs:333:56
[INFO] [stderr]     |
[INFO] [stderr] 333 |         let u: *mut [u8] = slice::from_raw_parts_mut((*s).data.as_mut_ptr(), (*s).len as usize);
[INFO] [stderr]     |                                                        ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/rc.rs:333:80
[INFO] [stderr]     |
[INFO] [stderr] 333 |         let u: *mut [u8] = slice::from_raw_parts_mut((*s).data.as_mut_ptr(), (*s).len as usize);
[INFO] [stderr]     |                                                                                ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/rc.rs:379:28
[INFO] [stderr]     |
[INFO] [stderr] 379 |                 ptr::write(p.offset(idx as isize), item)
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^ help: try: `p.add(idx)`
[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: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/rc_macros.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn ne(&self, other: &Self) -> bool { **self != **other }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/rc.rs:535:1
[INFO] [stderr]     |
[INFO] [stderr] 535 | impl_deref_and_friends!(Ref, BitMask);
[INFO] [stderr]     | -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/rc_macros.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn ne(&self, other: &Self) -> bool { **self != **other }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/rc.rs:564:1
[INFO] [stderr]     |
[INFO] [stderr] 564 | impl_deref_and_friends!(RefMut, BitMask);
[INFO] [stderr]     | ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/arc.rs:137:57
[INFO] [stderr]     |
[INFO] [stderr] 137 |             if let Err(e) = m.inc(BM_REF) { return (Err(e.into()), None); }
[INFO] [stderr]     |                                                         ^^^^^^^^ help: consider removing `.into()`: `e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/arc.rs:146:60
[INFO] [stderr]     |
[INFO] [stderr] 146 |             if let Err(e) = m.inc(BM_STRONG) { return (Err(e.into()), None); }
[INFO] [stderr]     |                                                            ^^^^^^^^ help: consider removing `.into()`: `e`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/arc.rs:153:58
[INFO] [stderr]     |
[INFO] [stderr] 153 |             if let Err(e) = m.inc(BM_WEAK) { return (Err(e.into()), None); }
[INFO] [stderr]     |                                                          ^^^^^^^^ help: consider removing `.into()`: `e`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/arc.rs:251:28
[INFO] [stderr]     |
[INFO] [stderr] 251 |                 ptr::write(p.offset(idx as isize), item)
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^ help: try: `p.add(idx)`
[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: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/rc_macros.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn ne(&self, other: &Self) -> bool { **self != **other }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/arc.rs:269:1
[INFO] [stderr]     |
[INFO] [stderr] 269 | impl_deref_and_friends!(RefMut, BitMask<Num=usize>);
[INFO] [stderr]     | ---------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/rc_macros.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn ne(&self, other: &Self) -> bool { **self != **other }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/arc.rs:298:1
[INFO] [stderr]     |
[INFO] [stderr] 298 | impl_deref_and_friends!(Ref, BitMask<Num=usize>);
[INFO] [stderr]     | ------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `reffers`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/aref.rs:295:5
[INFO] [stderr]     |
[INFO] [stderr] 295 |     fn ne(&self, other: &Self) -> bool { **self != **other }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::partialeq_ne_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/aref.rs:302:5
[INFO] [stderr]     |
[INFO] [stderr] 302 |     fn ne(&self, other: &Self) -> bool { self.0.ne(&other.0) }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/aref.rs:309:5
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn ne(&self, other: &Self) -> bool { self.0.ne(&other.0) }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/aref.rs:531:31
[INFO] [stderr]     |
[INFO] [stderr] 531 |         self.0.try_map(f).map(|z| ARefs(z))
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: remove closure as shown: `ARefs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/aref.rs:579:31
[INFO] [stderr]     |
[INFO] [stderr] 579 |         self.0.try_map(f).map(|z| ARefss(z))
[INFO] [stderr]     |                               ^^^^^^^^^^^^^ help: remove closure as shown: `ARefss`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/aref.rs:653:29
[INFO] [stderr]     |
[INFO] [stderr] 653 |     verify_areffic(Box::new(arr.clone())).unwrap();
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: try removing the `clone` call: `arr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/aref.rs:654:28
[INFO] [stderr]     |
[INFO] [stderr] 654 |     verify_areffic(Rc::new(arr.clone())).unwrap();
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: try removing the `clone` call: `arr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/aref.rs:655:29
[INFO] [stderr]     |
[INFO] [stderr] 655 |     verify_areffic(Arc::new(arr.clone())).unwrap();
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: try removing the `clone` call: `arr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/aref.rs:656:28
[INFO] [stderr]     |
[INFO] [stderr] 656 |     verify_areffic(Bx::new(arr.clone())).unwrap();
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: try removing the `clone` call: `arr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/aref.rs:657:29
[INFO] [stderr]     |
[INFO] [stderr] 657 |     verify_areffic(Bxm::new(arr.clone())).unwrap();
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: try removing the `clone` call: `arr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/aref.rs:658:40
[INFO] [stderr]     |
[INFO] [stderr] 658 |     verify_areffic(RMBA::from(Arc::new(arr.clone()))).unwrap();
[INFO] [stderr]     |                                        ^^^^^^^^^^^ help: try removing the `clone` call: `arr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/aref.rs:662:26
[INFO] [stderr]     |
[INFO] [stderr] 662 |     let r = RefCell::new(arr.clone());
[INFO] [stderr]     |                          ^^^^^^^^^^^ help: try removing the `clone` call: `arr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/aref.rs:665:25
[INFO] [stderr]     |
[INFO] [stderr] 665 |     let r = RwLock::new(arr.clone());
[INFO] [stderr]     |                         ^^^^^^^^^^^ help: try removing the `clone` call: `arr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/aref.rs:668:24
[INFO] [stderr]     |
[INFO] [stderr] 668 |     let m = Mutex::new(arr.clone());
[INFO] [stderr]     |                        ^^^^^^^^^^^ help: try removing the `clone` call: `arr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/aref.rs:670:43
[INFO] [stderr]     |
[INFO] [stderr] 670 |     verify_areffic(rc::Ref::<_, u32>::new(arr.clone())).unwrap();
[INFO] [stderr]     |                                           ^^^^^^^^^^^ help: try removing the `clone` call: `arr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/aref.rs:671:46
[INFO] [stderr]     |
[INFO] [stderr] 671 |     verify_areffic(rc::RefMut::<_, u32>::new(arr.clone())).unwrap();
[INFO] [stderr]     |                                              ^^^^^^^^^^^ help: try removing the `clone` call: `arr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/rmba.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | /         match self {
[INFO] [stderr] 21 | |             &SlowRMBA::Ref(ref t) => Some(SlowRMBA::Ref(t)),
[INFO] [stderr] 22 | |             &SlowRMBA::Arc(ref t) => Some(SlowRMBA::Arc(t.clone())),
[INFO] [stderr] 23 | |             _ => None,
[INFO] [stderr] 24 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 20 |         match *self {
[INFO] [stderr] 21 |             SlowRMBA::Ref(ref t) => Some(SlowRMBA::Ref(t)),
[INFO] [stderr] 22 |             SlowRMBA::Arc(ref t) => Some(SlowRMBA::Arc(t.clone())),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/rmba.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | /         match self {
[INFO] [stderr] 30 | |             &mut SlowRMBA::RefMut(ref mut t) => Some(t),
[INFO] [stderr] 31 | |             &mut SlowRMBA::Box(ref mut t) => Some(t),
[INFO] [stderr] 32 | |             &mut SlowRMBA::Arc(ref mut t) => Arc::get_mut(t),
[INFO] [stderr] 33 | |             _ => None,
[INFO] [stderr] 34 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 29 |         match *self {
[INFO] [stderr] 30 |             SlowRMBA::RefMut(ref mut t) => Some(t),
[INFO] [stderr] 31 |             SlowRMBA::Box(ref mut t) => Some(t),
[INFO] [stderr] 32 |             SlowRMBA::Arc(ref mut t) => Arc::get_mut(t),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/rmba.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 | /         match self {
[INFO] [stderr] 44 | |             &SlowRMBA::Ref(ref t) => t,
[INFO] [stderr] 45 | |             &SlowRMBA::RefMut(ref t) => t,
[INFO] [stderr] 46 | |             &SlowRMBA::Box(ref t) => t,
[INFO] [stderr] 47 | |             &SlowRMBA::Arc(ref t) => t,
[INFO] [stderr] 48 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 43 |         match *self {
[INFO] [stderr] 44 |             SlowRMBA::Ref(ref t) => t,
[INFO] [stderr] 45 |             SlowRMBA::RefMut(ref t) => t,
[INFO] [stderr] 46 |             SlowRMBA::Box(ref t) => t,
[INFO] [stderr] 47 |             SlowRMBA::Arc(ref t) => t,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/rmba.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |             *f = *f & (!3); 
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `*f &= (!3)`
[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: bit mask could be simplified with a call to `trailing_zeros`
[INFO] [stderr]    --> src/rmba.rs:100:21
[INFO] [stderr]     |
[INFO] [stderr] 100 |             assert!(*f & 3 == 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: try: `(*f).trailing_zeros() >= 2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::verbose_bit_mask)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#verbose_bit_mask
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/rmba.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             *f = *f + add;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: replace it with: `*f += add`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/rmba.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         *f = *f - 2*mem::size_of::<AtomicUsize>();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `*f -= 2*mem::size_of::<AtomicUsize>()`
[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: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/rmba.rs:223:5
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn ne(&self, other: &Self) -> bool { **self != **other }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/rmba.rs:250:48
[INFO] [stderr]     |
[INFO] [stderr] 250 |     impl Dummy for u8 { fn foo(&self) -> i32 { *self as i32 } }
[INFO] [stderr]     |                                                ^^^^^^^^^^^^ help: try: `i32::from(*self)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/rc_bitmask.rs:66:69
[INFO] [stderr]     |
[INFO] [stderr] 66  |             fn set_state(&mut self, v: u8) { *self = (*self & !3) | ((v & 3) as $t); }
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^ help: try: `u16::from(v & 3)`
[INFO] [stderr] ...
[INFO] [stderr] 182 | rc_bit_mask_internal!(primitive, u16, 5, 4, 5);
[INFO] [stderr]     | ----------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/rc_bitmask.rs:66:69
[INFO] [stderr]     |
[INFO] [stderr] 66  |             fn set_state(&mut self, v: u8) { *self = (*self & !3) | ((v & 3) as $t); }
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^ help: try: `u32::from(v & 3)`
[INFO] [stderr] ...
[INFO] [stderr] 185 | rc_bit_mask_internal!(primitive, u32, 10, 10, 10);
[INFO] [stderr]     | -------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/rc_bitmask.rs:66:69
[INFO] [stderr]     |
[INFO] [stderr] 66  |             fn set_state(&mut self, v: u8) { *self = (*self & !3) | ((v & 3) as $t); }
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^ help: try: `u64::from(v & 3)`
[INFO] [stderr] ...
[INFO] [stderr] 191 | rc_bit_mask_internal!(primitive, u64, 21, 20, 21);
[INFO] [stderr]     | -------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u128 may become silently lossy if types change
[INFO] [stderr]    --> src/rc_bitmask.rs:66:69
[INFO] [stderr]     |
[INFO] [stderr] 66  |             fn set_state(&mut self, v: u8) { *self = (*self & !3) | ((v & 3) as $t); }
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^ help: try: `u128::from(v & 3)`
[INFO] [stderr] ...
[INFO] [stderr] 194 | rc_bit_mask_internal!(primitive, u128, 42, 42, 42);
[INFO] [stderr]     | --------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/rc.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 | /     pub fn try_get<'a>(&'a self) -> Result<RCellRef<'a, T, M>, State> {
[INFO] [stderr] 195 | |         let s = self.state();
[INFO] [stderr] 196 | |         if s != State::Available && s != State::Borrowed { return Err(s); }
[INFO] [stderr] 197 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 202 | |         Ok(RCellRef(self))
[INFO] [stderr] 203 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/rc.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 | /     pub fn try_get_mut<'a>(&'a self) -> Result<RCellRefMut<'a, T, M>, State> {
[INFO] [stderr] 206 | |         let s = self.state();
[INFO] [stderr] 207 | |         if s != State::Available { return Err(s); }
[INFO] [stderr] 208 | |         self.set_state(State::BorrowedMut);
[INFO] [stderr] 209 | |         Ok(RCellRefMut(self))
[INFO] [stderr] 210 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/rc.rs:321:46
[INFO] [stderr]     |
[INFO] [stderr] 321 |         unsafe { slice::from_raw_parts_mut((*s).data.as_mut_ptr(), (*s).len as usize) }
[INFO] [stderr]     |                                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::not_unsafe_ptr_arg_deref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/rc.rs:321:70
[INFO] [stderr]     |
[INFO] [stderr] 321 |         unsafe { slice::from_raw_parts_mut((*s).data.as_mut_ptr(), (*s).len as usize) }
[INFO] [stderr]     |                                                                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/rc.rs:333:56
[INFO] [stderr]     |
[INFO] [stderr] 333 |         let u: *mut [u8] = slice::from_raw_parts_mut((*s).data.as_mut_ptr(), (*s).len as usize);
[INFO] [stderr]     |                                                        ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/rc.rs:333:80
[INFO] [stderr]     |
[INFO] [stderr] 333 |         let u: *mut [u8] = slice::from_raw_parts_mut((*s).data.as_mut_ptr(), (*s).len as usize);
[INFO] [stderr]     |                                                                                ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/rc.rs:379:28
[INFO] [stderr]     |
[INFO] [stderr] 379 |                 ptr::write(p.offset(idx as isize), item)
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^ help: try: `p.add(idx)`
[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: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/rc_macros.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn ne(&self, other: &Self) -> bool { **self != **other }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/rc.rs:535:1
[INFO] [stderr]     |
[INFO] [stderr] 535 | impl_deref_and_friends!(Ref, BitMask);
[INFO] [stderr]     | -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/rc_macros.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn ne(&self, other: &Self) -> bool { **self != **other }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/rc.rs:564:1
[INFO] [stderr]     |
[INFO] [stderr] 564 | impl_deref_and_friends!(RefMut, BitMask);
[INFO] [stderr]     | ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/arc.rs:137:57
[INFO] [stderr]     |
[INFO] [stderr] 137 |             if let Err(e) = m.inc(BM_REF) { return (Err(e.into()), None); }
[INFO] [stderr]     |                                                         ^^^^^^^^ help: consider removing `.into()`: `e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/arc.rs:146:60
[INFO] [stderr]     |
[INFO] [stderr] 146 |             if let Err(e) = m.inc(BM_STRONG) { return (Err(e.into()), None); }
[INFO] [stderr]     |                                                            ^^^^^^^^ help: consider removing `.into()`: `e`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/arc.rs:153:58
[INFO] [stderr]     |
[INFO] [stderr] 153 |             if let Err(e) = m.inc(BM_WEAK) { return (Err(e.into()), None); }
[INFO] [stderr]     |                                                          ^^^^^^^^ help: consider removing `.into()`: `e`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/arc.rs:251:28
[INFO] [stderr]     |
[INFO] [stderr] 251 |                 ptr::write(p.offset(idx as isize), item)
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^ help: try: `p.add(idx)`
[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: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/rc_macros.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn ne(&self, other: &Self) -> bool { **self != **other }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/arc.rs:269:1
[INFO] [stderr]     |
[INFO] [stderr] 269 | impl_deref_and_friends!(RefMut, BitMask<Num=usize>);
[INFO] [stderr]     | ---------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/rc_macros.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn ne(&self, other: &Self) -> bool { **self != **other }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/arc.rs:298:1
[INFO] [stderr]     |
[INFO] [stderr] 298 | impl_deref_and_friends!(Ref, BitMask<Num=usize>);
[INFO] [stderr]     | ------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `reffers`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "36a6750daa7148a9feb94f05ed421896041ce10ee31f26daeab9d9fdf70b3ebf"`
[INFO] running `"docker" "rm" "-f" "36a6750daa7148a9feb94f05ed421896041ce10ee31f26daeab9d9fdf70b3ebf"`
[INFO] [stdout] 36a6750daa7148a9feb94f05ed421896041ce10ee31f26daeab9d9fdf70b3ebf