[INFO] crate imprint 0.2.0 is already in cache
[INFO] extracting crate imprint 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/imprint/0.2.0
[INFO] extracting crate imprint 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/imprint/0.2.0
[INFO] validating manifest of imprint-0.2.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of imprint-0.2.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing imprint-0.2.0
[INFO] finished frobbing imprint-0.2.0
[INFO] frobbed toml for imprint-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/imprint/0.2.0/Cargo.toml
[INFO] started frobbing imprint-0.2.0
[INFO] finished frobbing imprint-0.2.0
[INFO] frobbed toml for imprint-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/imprint/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting imprint-0.2.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/imprint/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 844f6345e4cd3c99fbcc54c3fb3bf326fb03bc49c68842eb88f5a0b36edbcfa3
[INFO] running `"docker" "start" "-a" "844f6345e4cd3c99fbcc54c3fb3bf326fb03bc49c68842eb88f5a0b36edbcfa3"`
[INFO] [stderr]     Checking imprint v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/ix.rs:179:32
[INFO] [stderr]     |
[INFO] [stderr] 179 |         Sl { len: PhantomData, ptr: ptr }
[INFO] [stderr]     |                                ^^^^^^^^ help: replace it with: `ptr`
[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/ix.rs:234:35
[INFO] [stderr]     |
[INFO] [stderr] 234 |         MutSl { len: PhantomData, ptr: ptr }
[INFO] [stderr]     |                                   ^^^^^^^^ help: replace it with: `ptr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/ix.rs:179:32
[INFO] [stderr]     |
[INFO] [stderr] 179 |         Sl { len: PhantomData, ptr: ptr }
[INFO] [stderr]     |                                ^^^^^^^^ help: replace it with: `ptr`
[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/ix.rs:234:35
[INFO] [stderr]     |
[INFO] [stderr] 234 |         MutSl { len: PhantomData, ptr: ptr }
[INFO] [stderr]     |                                   ^^^^^^^^ help: replace it with: `ptr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `expl_impl_clone_on_copy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/arith.rs:9:52
[INFO] [stderr]    |
[INFO] [stderr] 9  |         #[cfg_attr(feature = "cargo-clippy", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::expl_impl_clone_on_copy`
[INFO] [stderr] ...
[INFO] [stderr] 29 | impl_all!(Equal);
[INFO] [stderr]    | ----------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `expl_impl_clone_on_copy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/arith.rs:9:52
[INFO] [stderr]    |
[INFO] [stderr] 9  |         #[cfg_attr(feature = "cargo-clippy", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::expl_impl_clone_on_copy`
[INFO] [stderr] ...
[INFO] [stderr] 44 | impl_all!(NotEqual);
[INFO] [stderr]    | -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `expl_impl_clone_on_copy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/arith.rs:9:52
[INFO] [stderr]    |
[INFO] [stderr] 9  |         #[cfg_attr(feature = "cargo-clippy", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::expl_impl_clone_on_copy`
[INFO] [stderr] ...
[INFO] [stderr] 51 | impl_all!(Less);
[INFO] [stderr]    | ---------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `expl_impl_clone_on_copy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/arith.rs:9:52
[INFO] [stderr]    |
[INFO] [stderr] 9  |         #[cfg_attr(feature = "cargo-clippy", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::expl_impl_clone_on_copy`
[INFO] [stderr] ...
[INFO] [stderr] 58 | impl_all!(Greater);
[INFO] [stderr]    | ------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `expl_impl_clone_on_copy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/lib.rs:300:44
[INFO] [stderr]     |
[INFO] [stderr] 300 | #[cfg_attr(feature = "cargo-clippy", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::expl_impl_clone_on_copy`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `expl_impl_clone_on_copy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/arith.rs:9:52
[INFO] [stderr]    |
[INFO] [stderr] 9  |         #[cfg_attr(feature = "cargo-clippy", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::expl_impl_clone_on_copy`
[INFO] [stderr] ...
[INFO] [stderr] 29 | impl_all!(Equal);
[INFO] [stderr]    | ----------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `expl_impl_clone_on_copy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/arith.rs:9:52
[INFO] [stderr]    |
[INFO] [stderr] 9  |         #[cfg_attr(feature = "cargo-clippy", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::expl_impl_clone_on_copy`
[INFO] [stderr] ...
[INFO] [stderr] 29 | impl_all!(Equal);
[INFO] [stderr]    | ----------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `expl_impl_clone_on_copy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/arith.rs:9:52
[INFO] [stderr]    |
[INFO] [stderr] 9  |         #[cfg_attr(feature = "cargo-clippy", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::expl_impl_clone_on_copy`
[INFO] [stderr] ...
[INFO] [stderr] 44 | impl_all!(NotEqual);
[INFO] [stderr]    | -------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `expl_impl_clone_on_copy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/arith.rs:9:52
[INFO] [stderr]    |
[INFO] [stderr] 9  |         #[cfg_attr(feature = "cargo-clippy", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::expl_impl_clone_on_copy`
[INFO] [stderr] ...
[INFO] [stderr] 51 | impl_all!(Less);
[INFO] [stderr]    | ---------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `expl_impl_clone_on_copy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/arith.rs:9:52
[INFO] [stderr]    |
[INFO] [stderr] 9  |         #[cfg_attr(feature = "cargo-clippy", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::expl_impl_clone_on_copy`
[INFO] [stderr] ...
[INFO] [stderr] 58 | impl_all!(Greater);
[INFO] [stderr]    | ------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `expl_impl_clone_on_copy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]    --> src/lib.rs:300:44
[INFO] [stderr]     |
[INFO] [stderr] 300 | #[cfg_attr(feature = "cargo-clippy", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::expl_impl_clone_on_copy`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `expl_impl_clone_on_copy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/arith.rs:9:52
[INFO] [stderr]    |
[INFO] [stderr] 9  |         #[cfg_attr(feature = "cargo-clippy", allow(expl_impl_clone_on_copy))]
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: change it to: `clippy::expl_impl_clone_on_copy`
[INFO] [stderr] ...
[INFO] [stderr] 29 | impl_all!(Equal);
[INFO] [stderr]    | ----------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]   --> src/arith.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 |     if &**x == &**y {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 69 |     if **x == **y {
[INFO] [stderr]    |        ^^^    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]   --> src/arith.rs:79:8
[INFO] [stderr]    |
[INFO] [stderr] 79 |     if &**x == &**y {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 79 |     if **x == **y {
[INFO] [stderr]    |        ^^^    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: item `ix::BoxedSl<'l, T>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/ix.rs:85:1
[INFO] [stderr]     |
[INFO] [stderr] 85  | / impl<'l, T> BoxedSl<'l, T> {
[INFO] [stderr] 86  | |     pub fn from_boxed_slice(boxed_slice: Box<[T]>, len: Val<'l, usize>)
[INFO] [stderr] 87  | |                             -> Result<Self, Box<[T]>> {
[INFO] [stderr] 88  | |         if boxed_slice.len() == len.into_inner() {
[INFO] [stderr] ...   |
[INFO] [stderr] 118 | |     }
[INFO] [stderr] 119 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/ix.rs:182:19
[INFO] [stderr]     |
[INFO] [stderr] 182 |     pub fn as_ptr(self) -> *const T {
[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] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/ix.rs:186:21
[INFO] [stderr]     |
[INFO] [stderr] 186 |     pub fn as_slice(self, len: Val<'l, usize>) -> &'a [T] {
[INFO] [stderr]     |                     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/ix.rs:204:20
[INFO] [stderr]     |
[INFO] [stderr] 204 |         unsafe { &*self.ptr.offset(index.into_inner() as isize) }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.ptr.add(index.into_inner())`
[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: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/ix.rs:237:19
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn as_ptr(self) -> *const T {
[INFO] [stderr]     |                   ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/ix.rs:241:23
[INFO] [stderr]     |
[INFO] [stderr] 241 |     pub fn as_mut_ptr(self) -> *mut T {
[INFO] [stderr]     |                       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/ix.rs:258:20
[INFO] [stderr]     |
[INFO] [stderr] 258 |         unsafe { &*self.ptr.offset(index.into_inner() as isize) }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.ptr.add(index.into_inner())`
[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/ix.rs:264:24
[INFO] [stderr]     |
[INFO] [stderr] 264 |         unsafe { &mut *self.ptr.offset(index.into_inner() as isize) }
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.ptr.add(index.into_inner())`
[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: needlessly taken reference of both operands
[INFO] [stderr]   --> src/arith.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 |     if &**x == &**y {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 69 |     if **x == **y {
[INFO] [stderr]    |        ^^^    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]   --> src/arith.rs:79:8
[INFO] [stderr]    |
[INFO] [stderr] 79 |     if &**x == &**y {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 79 |     if **x == **y {
[INFO] [stderr]    |        ^^^    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: item `ix::BoxedSl<'l, T>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/ix.rs:85:1
[INFO] [stderr]     |
[INFO] [stderr] 85  | / impl<'l, T> BoxedSl<'l, T> {
[INFO] [stderr] 86  | |     pub fn from_boxed_slice(boxed_slice: Box<[T]>, len: Val<'l, usize>)
[INFO] [stderr] 87  | |                             -> Result<Self, Box<[T]>> {
[INFO] [stderr] 88  | |         if boxed_slice.len() == len.into_inner() {
[INFO] [stderr] ...   |
[INFO] [stderr] 118 | |     }
[INFO] [stderr] 119 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/ix.rs:182:19
[INFO] [stderr]     |
[INFO] [stderr] 182 |     pub fn as_ptr(self) -> *const T {
[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] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/ix.rs:186:21
[INFO] [stderr]     |
[INFO] [stderr] 186 |     pub fn as_slice(self, len: Val<'l, usize>) -> &'a [T] {
[INFO] [stderr]     |                     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/ix.rs:204:20
[INFO] [stderr]     |
[INFO] [stderr] 204 |         unsafe { &*self.ptr.offset(index.into_inner() as isize) }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.ptr.add(index.into_inner())`
[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: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/ix.rs:237:19
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn as_ptr(self) -> *const T {
[INFO] [stderr]     |                   ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/ix.rs:241:23
[INFO] [stderr]     |
[INFO] [stderr] 241 |     pub fn as_mut_ptr(self) -> *mut T {
[INFO] [stderr]     |                       ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/ix.rs:258:20
[INFO] [stderr]     |
[INFO] [stderr] 258 |         unsafe { &*self.ptr.offset(index.into_inner() as isize) }
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.ptr.add(index.into_inner())`
[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/ix.rs:264:24
[INFO] [stderr]     |
[INFO] [stderr] 264 |         unsafe { &mut *self.ptr.offset(index.into_inner() as isize) }
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.ptr.add(index.into_inner())`
[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: strict comparison of f32 or f64
[INFO] [stderr]    --> src/ix.rs:365:17
[INFO] [stderr]     |
[INFO] [stderr] 365 |                 assert_eq!(a[i], i_ as f64 * 0.5);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/ix.rs:365:17
[INFO] [stderr]     |
[INFO] [stderr] 365 |                 assert_eq!(a[i], i_ as f64 * 0.5);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/ix.rs:366:17
[INFO] [stderr]     |
[INFO] [stderr] 366 |                 assert_eq!(b[i], (n_ - i_) as f64);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/ix.rs:366:17
[INFO] [stderr]     |
[INFO] [stderr] 366 |                 assert_eq!(b[i], (n_ - i_) as f64);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:499:28
[INFO] [stderr]     |
[INFO] [stderr] 499 |         let x = imprint(0, |x| Exists::<ValF<i64>>::new(x));
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Exists::<ValF<i64>>::new`
[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] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `imprint`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "844f6345e4cd3c99fbcc54c3fb3bf326fb03bc49c68842eb88f5a0b36edbcfa3"`
[INFO] running `"docker" "rm" "-f" "844f6345e4cd3c99fbcc54c3fb3bf326fb03bc49c68842eb88f5a0b36edbcfa3"`
[INFO] [stdout] 844f6345e4cd3c99fbcc54c3fb3bf326fb03bc49c68842eb88f5a0b36edbcfa3