[INFO] crate suffix_tree 0.2.2 is already in cache
[INFO] extracting crate suffix_tree 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/suffix_tree/0.2.2
[INFO] extracting crate suffix_tree 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/suffix_tree/0.2.2
[INFO] validating manifest of suffix_tree-0.2.2 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 suffix_tree-0.2.2 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 suffix_tree-0.2.2
[INFO] removed path dependency suffix from suffix_tree-0.2.2
[INFO] finished frobbing suffix_tree-0.2.2
[INFO] frobbed toml for suffix_tree-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/suffix_tree/0.2.2/Cargo.toml
[INFO] started frobbing suffix_tree-0.2.2
[INFO] removed path dependency suffix from suffix_tree-0.2.2
[INFO] finished frobbing suffix_tree-0.2.2
[INFO] frobbed toml for suffix_tree-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/suffix_tree/0.2.2/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 suffix_tree-0.2.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/suffix_tree/0.2.2:/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] 0db278470460c305c5feef9b35fc0ec251e6e7df07e64d00cd044153d4a872a2
[INFO] running `"docker" "start" "-a" "0db278470460c305c5feef9b35fc0ec251e6e7df07e64d00cd044153d4a872a2"`
[INFO] [stderr]     Checking suffix v0.4.1
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stderr]     Checking suffix_tree v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:168:13
[INFO] [stderr]     |
[INFO] [stderr] 168 |             start: start,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `start`
[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/lib.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |             end: end,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `end`
[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/lib.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             start: start,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `start`
[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/lib.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |             end: end,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `end`
[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: item `Node` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/lib.rs:107:1
[INFO] [stderr]     |
[INFO] [stderr] 107 | / impl Node {
[INFO] [stderr] 108 | |     /// An iterator over all children of this node.
[INFO] [stderr] 109 | |     pub fn children<'t>(&'t self) -> Children<'t> {
[INFO] [stderr] 110 | |         Children { it: self.children.values() }
[INFO] [stderr] ...   |
[INFO] [stderr] 159 | |     }
[INFO] [stderr] 160 | | }
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/lib.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 | /     pub fn children<'t>(&'t self) -> Children<'t> {
[INFO] [stderr] 110 | |         Children { it: self.children.values() }
[INFO] [stderr] 111 | |     }
[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:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | /     pub fn ancestors<'t>(&'t self) -> Ancestors<'t> {
[INFO] [stderr] 117 | |         Ancestors { cur: Some(self) }
[INFO] [stderr] 118 | |     }
[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:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 | /     pub fn preorder<'t>(&'t self) -> Preorder<'t> {
[INFO] [stderr] 124 | |         Preorder::new(self)
[INFO] [stderr] 125 | |     }
[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:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 | /     pub fn leaves<'t>(&'t self) -> Leaves<'t> {
[INFO] [stderr] 133 | |         Leaves { it: self.preorder() }
[INFO] [stderr] 134 | |     }
[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:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 | /     pub fn suffix_indices<'t>(&'t self) -> SuffixTreeIndices<'t> {
[INFO] [stderr] 138 | |         SuffixTreeIndices { it: self.leaves(), node: None, cur_suffix: 0 }
[INFO] [stderr] 139 | |     }
[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: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 |         self.suffixes.len() > 0
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.suffixes.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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/lib.rs:387:5
[INFO] [stderr]     |
[INFO] [stderr] 387 | /     fn ancestor_lcp_len<'a>(start: &'a mut Node, lcplen: u32) -> &'a mut Node {
[INFO] [stderr] 388 | |         // Is it worth making a mutable `Ancestors` iterator?
[INFO] [stderr] 389 | |         // If this is the only place that needs it, probably not. ---AG
[INFO] [stderr] 390 | |         let mut cur = start;
[INFO] [stderr] ...   |
[INFO] [stderr] 401 | |         cur
[INFO] [stderr] 402 | |     }
[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: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:452:21
[INFO] [stderr]     |
[INFO] [stderr] 452 |             assert!(vins.children.len() > 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!vins.children.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: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:168:13
[INFO] [stderr]     |
[INFO] [stderr] 168 |             start: start,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `start`
[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/lib.rs:169:13
[INFO] [stderr]     |
[INFO] [stderr] 169 |             end: end,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `end`
[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/lib.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             start: start,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `start`
[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/lib.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |             end: end,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `end`
[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: item `Node` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/lib.rs:107:1
[INFO] [stderr]     |
[INFO] [stderr] 107 | / impl Node {
[INFO] [stderr] 108 | |     /// An iterator over all children of this node.
[INFO] [stderr] 109 | |     pub fn children<'t>(&'t self) -> Children<'t> {
[INFO] [stderr] 110 | |         Children { it: self.children.values() }
[INFO] [stderr] ...   |
[INFO] [stderr] 159 | |     }
[INFO] [stderr] 160 | | }
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/lib.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 | /     pub fn children<'t>(&'t self) -> Children<'t> {
[INFO] [stderr] 110 | |         Children { it: self.children.values() }
[INFO] [stderr] 111 | |     }
[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:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | /     pub fn ancestors<'t>(&'t self) -> Ancestors<'t> {
[INFO] [stderr] 117 | |         Ancestors { cur: Some(self) }
[INFO] [stderr] 118 | |     }
[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:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 | /     pub fn preorder<'t>(&'t self) -> Preorder<'t> {
[INFO] [stderr] 124 | |         Preorder::new(self)
[INFO] [stderr] 125 | |     }
[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:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 | /     pub fn leaves<'t>(&'t self) -> Leaves<'t> {
[INFO] [stderr] 133 | |         Leaves { it: self.preorder() }
[INFO] [stderr] 134 | |     }
[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:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 | /     pub fn suffix_indices<'t>(&'t self) -> SuffixTreeIndices<'t> {
[INFO] [stderr] 138 | |         SuffixTreeIndices { it: self.leaves(), node: None, cur_suffix: 0 }
[INFO] [stderr] 139 | |     }
[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: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 |         self.suffixes.len() > 0
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.suffixes.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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/lib.rs:387:5
[INFO] [stderr]     |
[INFO] [stderr] 387 | /     fn ancestor_lcp_len<'a>(start: &'a mut Node, lcplen: u32) -> &'a mut Node {
[INFO] [stderr] 388 | |         // Is it worth making a mutable `Ancestors` iterator?
[INFO] [stderr] 389 | |         // If this is the only place that needs it, probably not. ---AG
[INFO] [stderr] 390 | |         let mut cur = start;
[INFO] [stderr] ...   |
[INFO] [stderr] 401 | |         cur
[INFO] [stderr] 402 | |     }
[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: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:452:21
[INFO] [stderr]     |
[INFO] [stderr] 452 |             assert!(vins.children.len() > 0);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!vins.children.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]     Finished dev [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `"docker" "inspect" "0db278470460c305c5feef9b35fc0ec251e6e7df07e64d00cd044153d4a872a2"`
[INFO] running `"docker" "rm" "-f" "0db278470460c305c5feef9b35fc0ec251e6e7df07e64d00cd044153d4a872a2"`
[INFO] [stdout] 0db278470460c305c5feef9b35fc0ec251e6e7df07e64d00cd044153d4a872a2