[INFO] crate recycler 0.1.4 is already in cache
[INFO] extracting crate recycler 0.1.4 into work/ex/clippy-test-run/sources/stable/reg/recycler/0.1.4
[INFO] extracting crate recycler 0.1.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/recycler/0.1.4
[INFO] validating manifest of recycler-0.1.4 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 recycler-0.1.4 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 recycler-0.1.4
[INFO] finished frobbing recycler-0.1.4
[INFO] frobbed toml for recycler-0.1.4 written to work/ex/clippy-test-run/sources/stable/reg/recycler/0.1.4/Cargo.toml
[INFO] started frobbing recycler-0.1.4
[INFO] finished frobbing recycler-0.1.4
[INFO] frobbed toml for recycler-0.1.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/recycler/0.1.4/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 recycler-0.1.4 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-4/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/recycler/0.1.4:/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] 209ecea1e16d19dcde72dfc73affbeaed37a3a99f107c70a7c08d79c2cce599c
[INFO] running `"docker" "start" "-a" "209ecea1e16d19dcde72dfc73affbeaed37a3a99f107c70a7c08d79c2cce599c"`
[INFO] [stderr]     Checking recycler v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: methods called `new` usually take no self; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/lib.rs:126:26
[INFO] [stderr]     |
[INFO] [stderr] 126 |     #[inline] pub fn new(&mut self) -> String {
[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 `new` usually return `Self`
[INFO] [stderr]    --> src/lib.rs:126:15
[INFO] [stderr]     |
[INFO] [stderr] 126 |       #[inline] pub fn new(&mut self) -> String {
[INFO] [stderr]     |  _______________^
[INFO] [stderr] 127 | |         self.stash.pop().unwrap_or(String::new())
[INFO] [stderr] 128 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/lib.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         self.stash.pop().unwrap_or(String::new())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.stash.pop().unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/lib.rs:152:23
[INFO] [stderr]     |
[INFO] [stderr] 152 |         let mut vec = self.stash.pop().unwrap_or(Vec::new());
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.stash.pop().unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually take no self; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/lib.rs:161:26
[INFO] [stderr]     |
[INFO] [stderr] 161 |     #[inline] pub fn new(&mut self) -> (Vec<R::Item>, &mut R) {
[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 `new` usually return `Self`
[INFO] [stderr]    --> src/lib.rs:161:15
[INFO] [stderr]     |
[INFO] [stderr] 161 |       #[inline] pub fn new(&mut self) -> (Vec<R::Item>, &mut R) {
[INFO] [stderr]     |  _______________^
[INFO] [stderr] 162 | |         (self.stash.pop().unwrap_or(Vec::new()), &mut self.recycler)
[INFO] [stderr] 163 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/lib.rs:162:10
[INFO] [stderr]     |
[INFO] [stderr] 162 |         (self.stash.pop().unwrap_or(Vec::new()), &mut self.recycler)
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.stash.pop().unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 | /         if let &Some(ref thing) = other {
[INFO] [stderr] 190 | |             Some(self.recycler.recreate(thing))
[INFO] [stderr] 191 | |         }
[INFO] [stderr] 192 | |         else { None }
[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] 189 |         if let Some(ref thing) = *other {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually take no self; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/lib.rs:126:26
[INFO] [stderr]     |
[INFO] [stderr] 126 |     #[inline] pub fn new(&mut self) -> String {
[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 `new` usually return `Self`
[INFO] [stderr]    --> src/lib.rs:126:15
[INFO] [stderr]     |
[INFO] [stderr] 126 |       #[inline] pub fn new(&mut self) -> String {
[INFO] [stderr]     |  _______________^
[INFO] [stderr] 127 | |         self.stash.pop().unwrap_or(String::new())
[INFO] [stderr] 128 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/lib.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         self.stash.pop().unwrap_or(String::new())
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.stash.pop().unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/lib.rs:152:23
[INFO] [stderr]     |
[INFO] [stderr] 152 |         let mut vec = self.stash.pop().unwrap_or(Vec::new());
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.stash.pop().unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually take no self; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/lib.rs:161:26
[INFO] [stderr]     |
[INFO] [stderr] 161 |     #[inline] pub fn new(&mut self) -> (Vec<R::Item>, &mut R) {
[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 `new` usually return `Self`
[INFO] [stderr]    --> src/lib.rs:161:15
[INFO] [stderr]     |
[INFO] [stderr] 161 |       #[inline] pub fn new(&mut self) -> (Vec<R::Item>, &mut R) {
[INFO] [stderr]     |  _______________^
[INFO] [stderr] 162 | |         (self.stash.pop().unwrap_or(Vec::new()), &mut self.recycler)
[INFO] [stderr] 163 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/lib.rs:162:10
[INFO] [stderr]     |
[INFO] [stderr] 162 |         (self.stash.pop().unwrap_or(Vec::new()), &mut self.recycler)
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.stash.pop().unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 | /         if let &Some(ref thing) = other {
[INFO] [stderr] 190 | |             Some(self.recycler.recreate(thing))
[INFO] [stderr] 191 | |         }
[INFO] [stderr] 192 | |         else { None }
[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] 189 |         if let Some(ref thing) = *other {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/benches.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `recycler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "209ecea1e16d19dcde72dfc73affbeaed37a3a99f107c70a7c08d79c2cce599c"`
[INFO] running `"docker" "rm" "-f" "209ecea1e16d19dcde72dfc73affbeaed37a3a99f107c70a7c08d79c2cce599c"`
[INFO] [stdout] 209ecea1e16d19dcde72dfc73affbeaed37a3a99f107c70a7c08d79c2cce599c