[INFO] crate bracket_parse 0.1.3 is already in cache
[INFO] extracting crate bracket_parse 0.1.3 into work/ex/clippy-test-run/sources/stable/reg/bracket_parse/0.1.3
[INFO] extracting crate bracket_parse 0.1.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bracket_parse/0.1.3
[INFO] validating manifest of bracket_parse-0.1.3 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 bracket_parse-0.1.3 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 bracket_parse-0.1.3
[INFO] finished frobbing bracket_parse-0.1.3
[INFO] frobbed toml for bracket_parse-0.1.3 written to work/ex/clippy-test-run/sources/stable/reg/bracket_parse/0.1.3/Cargo.toml
[INFO] started frobbing bracket_parse-0.1.3
[INFO] finished frobbing bracket_parse-0.1.3
[INFO] frobbed toml for bracket_parse-0.1.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bracket_parse/0.1.3/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 bracket_parse-0.1.3 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/bracket_parse/0.1.3:/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] 264c0db594bead6d100647db68740e335a4fb85f4b83b5356753bd66e8bc82c7
[INFO] running `"docker" "start" "-a" "264c0db594bead6d100647db68740e335a4fb85f4b83b5356753bd66e8bc82c7"`
[INFO] [stderr]     Checking bracket_parse v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/tail.rs:71:30
[INFO] [stderr]    |
[INFO] [stderr] 71 |             Tail::Rest(v)=>v.into_iter(),
[INFO] [stderr]    |                              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/tail.rs:72:30
[INFO] [stderr]    |
[INFO] [stderr] 72 |             _=>EMPTY_B_SLICE.into_iter(),
[INFO] [stderr]    |                              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:93:12
[INFO] [stderr]    |
[INFO] [stderr] 93 |         if curr.len() >0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!curr.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: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:110:12
[INFO] [stderr]     |
[INFO] [stderr] 110 |         if s.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[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:217:5
[INFO] [stderr]     |
[INFO] [stderr] 217 | /     pub fn head<'a>(&'a self)->&'a Bracket{
[INFO] [stderr] 218 | |         match self{
[INFO] [stderr] 219 | |             Bracket::Branch(v)=>match v.len(){
[INFO] [stderr] 220 | |                 0 => &EMPTY_BRACKET,
[INFO] [stderr] ...   |
[INFO] [stderr] 224 | |         }
[INFO] [stderr] 225 | |     }
[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/lib.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 | /     pub fn tail<'a>(&'a self)->Tail<'a>{
[INFO] [stderr] 228 | |         match self{
[INFO] [stderr] 229 | |             Bracket::Branch(v)=>match v.len(){
[INFO] [stderr] 230 | |                 0|1 =>Tail::Empty,
[INFO] [stderr] ...   |
[INFO] [stderr] 234 | |         }
[INFO] [stderr] 235 | |     }
[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] 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:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 | /     pub fn tail_n<'a>(&'a self,n:usize)->Tail<'a>{
[INFO] [stderr] 238 | |         match self{
[INFO] [stderr] 239 | |             Bracket::Branch(v)=>{
[INFO] [stderr] 240 | |                 if v.len() <= n {
[INFO] [stderr] ...   |
[INFO] [stderr] 246 | |         }
[INFO] [stderr] 247 | |     }
[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] 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:249:5
[INFO] [stderr]     |
[INFO] [stderr] 249 | /     pub fn tail_h<'a>(&'a self, n:usize)->&'a Bracket{
[INFO] [stderr] 250 | |         match self{
[INFO] [stderr] 251 | |             Bracket::Branch(v)=>{
[INFO] [stderr] 252 | |                 if v.len() <= n{
[INFO] [stderr] ...   |
[INFO] [stderr] 258 | |         }
[INFO] [stderr] 259 | |     }
[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] 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:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 | /     pub fn head_tail<'a>(&'a self)->(&'a Bracket,Tail<'a>){
[INFO] [stderr] 262 | |         (self.head(),self.tail())
[INFO] [stderr] 263 | |     }
[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] 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:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 | /     pub fn match_str<'a>(&'a self)->&'a str{
[INFO] [stderr] 266 | |         match self {
[INFO] [stderr] 267 | |             Bracket::Leaf(ref s)=>s.as_ref(),
[INFO] [stderr] 268 | |             _=>"",
[INFO] [stderr] 269 | |         }
[INFO] [stderr] 270 | |     }
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `bracket_parse`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]   --> src/tail.rs:71:30
[INFO] [stderr]    |
[INFO] [stderr] 71 |             Tail::Rest(v)=>v.into_iter(),
[INFO] [stderr]    |                              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/tail.rs:72:30
[INFO] [stderr]    |
[INFO] [stderr] 72 |             _=>EMPTY_B_SLICE.into_iter(),
[INFO] [stderr]    |                              ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:93:12
[INFO] [stderr]    |
[INFO] [stderr] 93 |         if curr.len() >0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!curr.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: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:110:12
[INFO] [stderr]     |
[INFO] [stderr] 110 |         if s.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[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:217:5
[INFO] [stderr]     |
[INFO] [stderr] 217 | /     pub fn head<'a>(&'a self)->&'a Bracket{
[INFO] [stderr] 218 | |         match self{
[INFO] [stderr] 219 | |             Bracket::Branch(v)=>match v.len(){
[INFO] [stderr] 220 | |                 0 => &EMPTY_BRACKET,
[INFO] [stderr] ...   |
[INFO] [stderr] 224 | |         }
[INFO] [stderr] 225 | |     }
[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/lib.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 227 | /     pub fn tail<'a>(&'a self)->Tail<'a>{
[INFO] [stderr] 228 | |         match self{
[INFO] [stderr] 229 | |             Bracket::Branch(v)=>match v.len(){
[INFO] [stderr] 230 | |                 0|1 =>Tail::Empty,
[INFO] [stderr] ...   |
[INFO] [stderr] 234 | |         }
[INFO] [stderr] 235 | |     }
[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] 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:237:5
[INFO] [stderr]     |
[INFO] [stderr] 237 | /     pub fn tail_n<'a>(&'a self,n:usize)->Tail<'a>{
[INFO] [stderr] 238 | |         match self{
[INFO] [stderr] 239 | |             Bracket::Branch(v)=>{
[INFO] [stderr] 240 | |                 if v.len() <= n {
[INFO] [stderr] ...   |
[INFO] [stderr] 246 | |         }
[INFO] [stderr] 247 | |     }
[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] 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:249:5
[INFO] [stderr]     |
[INFO] [stderr] 249 | /     pub fn tail_h<'a>(&'a self, n:usize)->&'a Bracket{
[INFO] [stderr] 250 | |         match self{
[INFO] [stderr] 251 | |             Bracket::Branch(v)=>{
[INFO] [stderr] 252 | |                 if v.len() <= n{
[INFO] [stderr] ...   |
[INFO] [stderr] 258 | |         }
[INFO] [stderr] 259 | |     }
[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] 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:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 | /     pub fn head_tail<'a>(&'a self)->(&'a Bracket,Tail<'a>){
[INFO] [stderr] 262 | |         (self.head(),self.tail())
[INFO] [stderr] 263 | |     }
[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] 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:265:5
[INFO] [stderr]     |
[INFO] [stderr] 265 | /     pub fn match_str<'a>(&'a self)->&'a str{
[INFO] [stderr] 266 | |         match self {
[INFO] [stderr] 267 | |             Bracket::Leaf(ref s)=>s.as_ref(),
[INFO] [stderr] 268 | |             _=>"",
[INFO] [stderr] 269 | |         }
[INFO] [stderr] 270 | |     }
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `bracket_parse`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "264c0db594bead6d100647db68740e335a4fb85f4b83b5356753bd66e8bc82c7"`
[INFO] running `"docker" "rm" "-f" "264c0db594bead6d100647db68740e335a4fb85f4b83b5356753bd66e8bc82c7"`
[INFO] [stdout] 264c0db594bead6d100647db68740e335a4fb85f4b83b5356753bd66e8bc82c7