[INFO] crate one-stack-vec 0.5.1 is already in cache
[INFO] extracting crate one-stack-vec 0.5.1 into work/ex/clippy-test-run/sources/stable/reg/one-stack-vec/0.5.1
[INFO] extracting crate one-stack-vec 0.5.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/one-stack-vec/0.5.1
[INFO] validating manifest of one-stack-vec-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 one-stack-vec-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 one-stack-vec-0.5.1
[INFO] finished frobbing one-stack-vec-0.5.1
[INFO] frobbed toml for one-stack-vec-0.5.1 written to work/ex/clippy-test-run/sources/stable/reg/one-stack-vec/0.5.1/Cargo.toml
[INFO] started frobbing one-stack-vec-0.5.1
[INFO] finished frobbing one-stack-vec-0.5.1
[INFO] frobbed toml for one-stack-vec-0.5.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/one-stack-vec/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 one-stack-vec-0.5.1 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/one-stack-vec/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" "-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] dc5e722c52d0e7f3c07b6e53f1e42a02ecc0f08ec861a08ad5b76da3af20b636
[INFO] running `"docker" "start" "-a" "dc5e722c52d0e7f3c07b6e53f1e42a02ecc0f08ec861a08ad5b76da3af20b636"`
[INFO] [stderr]     Checking one-stack-vec v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/iter.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |             item: item,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `item`
[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/iter.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |             item: item,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `item`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/iter.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | /         match &mut self.item {
[INFO] [stderr] 23 | |             &mut None => None,
[INFO] [stderr] 24 | |             &mut Some((ref first, ref mut vec)) => {
[INFO] [stderr] 25 | |                 if self.is_first {
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |             }
[INFO] [stderr] 32 | |         }
[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] 22 |         match *(&mut self.item) {
[INFO] [stderr] 23 |             None => None,
[INFO] [stderr] 24 |             Some((ref first, ref mut vec)) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: item `OneStackVec<T>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/lib.rs:38:1
[INFO] [stderr]     |
[INFO] [stderr] 38  | / impl<T> OneStackVec<T> {
[INFO] [stderr] 39  | |     pub fn new() -> OneStackVec<T> {
[INFO] [stderr] 40  | |         OneStackVec(None)
[INFO] [stderr] 41  | |     }
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |     }
[INFO] [stderr] 106 | | }
[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: you should consider deriving a `Default` implementation for `OneStackVec<T>`
[INFO] [stderr]   --> src/lib.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | /     pub fn new() -> OneStackVec<T> {
[INFO] [stderr] 40 | |         OneStackVec(None)
[INFO] [stderr] 41 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 36 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/lib.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 | /         match &self.0 {
[INFO] [stderr] 61 | |             &None => None,
[INFO] [stderr] 62 | |             &Some((ref one, ref vec)) => {
[INFO] [stderr] 63 | |                 if index == 0 {
[INFO] [stderr] ...  |
[INFO] [stderr] 68 | |             }
[INFO] [stderr] 69 | |         }
[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: try
[INFO] [stderr]    |
[INFO] [stderr] 60 |         match self.0 {
[INFO] [stderr] 61 |             None => None,
[INFO] [stderr] 62 |             Some((ref one, ref vec)) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:76:44
[INFO] [stderr]    |
[INFO] [stderr] 76 |             &mut Some((_, ref mut vec)) if vec.len() > 0 => vec.pop(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!vec.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: replacing an `Option` with `None`
[INFO] [stderr]   --> src/lib.rs:79:33
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 let old_inner = mem::replace(inner, None);
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider `Option::take()` instead: `inner.take()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::mem_replace_option_with_none)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mem_replace_option_with_none
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/lib.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 | /         match &self.0 {
[INFO] [stderr] 87 | |             &None => 0,
[INFO] [stderr] 88 | |             &Some((_, ref vec)) => vec.len() + 1,
[INFO] [stderr] 89 | |         }
[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: try
[INFO] [stderr]    |
[INFO] [stderr] 86 |         match self.0 {
[INFO] [stderr] 87 |             None => 0,
[INFO] [stderr] 88 |             Some((_, ref vec)) => vec.len() + 1,
[INFO] [stderr]    |
[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/lib.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 | /     pub fn iter<'a>(&'a self) -> Iter<'a, T> {
[INFO] [stderr] 94 | |         Iter::with(self.0.as_ref().map(|&(ref first, ref vec)| (first, vec.iter())))
[INFO] [stderr] 95 | |     }
[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: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 | /         match &self.0 {
[INFO] [stderr] 102 | |             &None => false,
[INFO] [stderr] 103 | |             &Some((ref first, ref vec)) => first.eq(x) || vec.contains(x),
[INFO] [stderr] 104 | |         }
[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: try
[INFO] [stderr]     |
[INFO] [stderr] 101 |         match self.0 {
[INFO] [stderr] 102 |             None => false,
[INFO] [stderr] 103 |             Some((ref first, ref vec)) => first.eq(x) || vec.contains(x),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 | /         match &self.0 {
[INFO] [stderr] 114 | |             &None => write!(f, "OneStackVec ()"),
[INFO] [stderr] 115 | |             &Some((ref first, ref another)) => {
[INFO] [stderr] 116 | |                 write!(f, "OneStackVec ( {:?}, {:?} )", first, another)
[INFO] [stderr] 117 | |             }
[INFO] [stderr] 118 | |         }
[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: try
[INFO] [stderr]     |
[INFO] [stderr] 113 |         match self.0 {
[INFO] [stderr] 114 |             None => write!(f, "OneStackVec ()"),
[INFO] [stderr] 115 |             Some((ref first, ref another)) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |             tmp_vec
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 233 |         let item1: OneStackVec<isize> = one_stack_vec![];
[INFO] [stderr]     |                                         ---------------- in this macro invocation
[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/lib.rs:217:31
[INFO] [stderr]     |
[INFO] [stderr] 217 |             let mut tmp_vec = $crate::OneStackVec::new();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 233 |         let item1: OneStackVec<isize> = one_stack_vec![];
[INFO] [stderr]     |                                         ---------------- in this macro invocation
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |             tmp_vec
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 234 |         let item2: OneStackVec<isize> = one_stack_vec![];
[INFO] [stderr]     |                                         ---------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:217:31
[INFO] [stderr]     |
[INFO] [stderr] 217 |             let mut tmp_vec = $crate::OneStackVec::new();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 234 |         let item2: OneStackVec<isize> = one_stack_vec![];
[INFO] [stderr]     |                                         ---------------- in this macro invocation
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |             tmp_vec
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 238 |         let item2 = one_stack_vec![];
[INFO] [stderr]     |                     ---------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:217:31
[INFO] [stderr]     |
[INFO] [stderr] 217 |             let mut tmp_vec = $crate::OneStackVec::new();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 238 |         let item2 = one_stack_vec![];
[INFO] [stderr]     |                     ---------------- in this macro invocation
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |             tmp_vec
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 262 |         let vec: OneStackVec<u32> = one_stack_vec![];
[INFO] [stderr]     |                                     ---------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:217:31
[INFO] [stderr]     |
[INFO] [stderr] 217 |             let mut tmp_vec = $crate::OneStackVec::new();
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 262 |         let vec: OneStackVec<u32> = one_stack_vec![];
[INFO] [stderr]     |                                     ---------------- in this macro invocation
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/iter.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | /         match &mut self.item {
[INFO] [stderr] 23 | |             &mut None => None,
[INFO] [stderr] 24 | |             &mut Some((ref first, ref mut vec)) => {
[INFO] [stderr] 25 | |                 if self.is_first {
[INFO] [stderr] ...  |
[INFO] [stderr] 31 | |             }
[INFO] [stderr] 32 | |         }
[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] 22 |         match *(&mut self.item) {
[INFO] [stderr] 23 |             None => None,
[INFO] [stderr] 24 |             Some((ref first, ref mut vec)) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: item `OneStackVec<T>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/lib.rs:38:1
[INFO] [stderr]     |
[INFO] [stderr] 38  | / impl<T> OneStackVec<T> {
[INFO] [stderr] 39  | |     pub fn new() -> OneStackVec<T> {
[INFO] [stderr] 40  | |         OneStackVec(None)
[INFO] [stderr] 41  | |     }
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |     }
[INFO] [stderr] 106 | | }
[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: you should consider deriving a `Default` implementation for `OneStackVec<T>`
[INFO] [stderr]   --> src/lib.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | /     pub fn new() -> OneStackVec<T> {
[INFO] [stderr] 40 | |         OneStackVec(None)
[INFO] [stderr] 41 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 36 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/lib.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 | /         match &self.0 {
[INFO] [stderr] 61 | |             &None => None,
[INFO] [stderr] 62 | |             &Some((ref one, ref vec)) => {
[INFO] [stderr] 63 | |                 if index == 0 {
[INFO] [stderr] ...  |
[INFO] [stderr] 68 | |             }
[INFO] [stderr] 69 | |         }
[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: try
[INFO] [stderr]    |
[INFO] [stderr] 60 |         match self.0 {
[INFO] [stderr] 61 |             None => None,
[INFO] [stderr] 62 |             Some((ref one, ref vec)) => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:76:44
[INFO] [stderr]    |
[INFO] [stderr] 76 |             &mut Some((_, ref mut vec)) if vec.len() > 0 => vec.pop(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!vec.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: replacing an `Option` with `None`
[INFO] [stderr]   --> src/lib.rs:79:33
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 let old_inner = mem::replace(inner, None);
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider `Option::take()` instead: `inner.take()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::mem_replace_option_with_none)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mem_replace_option_with_none
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/lib.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 | /         match &self.0 {
[INFO] [stderr] 87 | |             &None => 0,
[INFO] [stderr] 88 | |             &Some((_, ref vec)) => vec.len() + 1,
[INFO] [stderr] 89 | |         }
[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: try
[INFO] [stderr]    |
[INFO] [stderr] 86 |         match self.0 {
[INFO] [stderr] 87 |             None => 0,
[INFO] [stderr] 88 |             Some((_, ref vec)) => vec.len() + 1,
[INFO] [stderr]    |
[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/lib.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 | /     pub fn iter<'a>(&'a self) -> Iter<'a, T> {
[INFO] [stderr] 94 | |         Iter::with(self.0.as_ref().map(|&(ref first, ref vec)| (first, vec.iter())))
[INFO] [stderr] 95 | |     }
[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: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 | /         match &self.0 {
[INFO] [stderr] 102 | |             &None => false,
[INFO] [stderr] 103 | |             &Some((ref first, ref vec)) => first.eq(x) || vec.contains(x),
[INFO] [stderr] 104 | |         }
[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: try
[INFO] [stderr]     |
[INFO] [stderr] 101 |         match self.0 {
[INFO] [stderr] 102 |             None => false,
[INFO] [stderr] 103 |             Some((ref first, ref vec)) => first.eq(x) || vec.contains(x),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]    --> src/lib.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 | /         match &self.0 {
[INFO] [stderr] 114 | |             &None => write!(f, "OneStackVec ()"),
[INFO] [stderr] 115 | |             &Some((ref first, ref another)) => {
[INFO] [stderr] 116 | |                 write!(f, "OneStackVec ( {:?}, {:?} )", first, another)
[INFO] [stderr] 117 | |             }
[INFO] [stderr] 118 | |         }
[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: try
[INFO] [stderr]     |
[INFO] [stderr] 113 |         match self.0 {
[INFO] [stderr] 114 |             None => write!(f, "OneStackVec ()"),
[INFO] [stderr] 115 |             Some((ref first, ref another)) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "dc5e722c52d0e7f3c07b6e53f1e42a02ecc0f08ec861a08ad5b76da3af20b636"`
[INFO] running `"docker" "rm" "-f" "dc5e722c52d0e7f3c07b6e53f1e42a02ecc0f08ec861a08ad5b76da3af20b636"`
[INFO] [stdout] dc5e722c52d0e7f3c07b6e53f1e42a02ecc0f08ec861a08ad5b76da3af20b636