[INFO] crate sid 0.6.0 is already in cache
[INFO] extracting crate sid 0.6.0 into work/ex/clippy-test-run/sources/stable/reg/sid/0.6.0
[INFO] extracting crate sid 0.6.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sid/0.6.0
[INFO] validating manifest of sid-0.6.0 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 sid-0.6.0 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 sid-0.6.0
[INFO] finished frobbing sid-0.6.0
[INFO] frobbed toml for sid-0.6.0 written to work/ex/clippy-test-run/sources/stable/reg/sid/0.6.0/Cargo.toml
[INFO] started frobbing sid-0.6.0
[INFO] finished frobbing sid-0.6.0
[INFO] frobbed toml for sid-0.6.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sid/0.6.0/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 sid-0.6.0 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/sid/0.6.0:/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] fe81f2b33973c4fd21b26fd77540a36f5ab9ee8e4818bc82678276fc40d21dd1
[INFO] running `"docker" "start" "-a" "fe81f2b33973c4fd21b26fd77540a36f5ab9ee8e4818bc82678276fc40d21dd1"`
[INFO] [stderr]     Checking sid v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/id_range.rs:177:26
[INFO] [stderr]     |
[INFO] [stderr] 177 |         ReverseIdRange { range: range }
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: replace it with: `range`
[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/id_vector.rs:372:13
[INFO] [stderr]     |
[INFO] [stderr] 372 |             slice: slice,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `slice`
[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/id_vector.rs:479:13
[INFO] [stderr]     |
[INFO] [stderr] 479 |             slice: slice,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `slice`
[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/id_range.rs:177:26
[INFO] [stderr]     |
[INFO] [stderr] 177 |         ReverseIdRange { range: range }
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: replace it with: `range`
[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/id_vector.rs:372:13
[INFO] [stderr]     |
[INFO] [stderr] 372 |             slice: slice,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `slice`
[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/id_vector.rs:479:13
[INFO] [stderr]     |
[INFO] [stderr] 479 |             slice: slice,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `slice`
[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: unneeded return statement
[INFO] [stderr]   --> src/id_range.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         return Id {
[INFO] [stderr] 68 | |             handle: self.start + i,
[INFO] [stderr] 69 | |             _marker: PhantomData,
[INFO] [stderr] 70 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 67 |         Id {
[INFO] [stderr] 68 |             handle: self.start + i,
[INFO] [stderr] 69 |             _marker: PhantomData,
[INFO] [stderr] 70 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_range.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         return Some(IdRange::new((self.start + H::one())..self.end));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(IdRange::new((self.start + H::one())..self.end))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_range.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 | /         return Some(IdRange::new(
[INFO] [stderr] 114 | |             self.start..FromUsize::from_usize(self.end.to_usize() - 1),
[INFO] [stderr] 115 | |         ));
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 113 |         Some(IdRange::new(
[INFO] [stderr] 114 |             self.start..FromUsize::from_usize(self.end.to_usize() - 1),
[INFO] [stderr] 115 |         ))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_range.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         return IdRange::new(start..end);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `IdRange::new(start..end)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_range.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         return None;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_range.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |         return (self.len().to_usize(), Some(self.len().to_usize()));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.len().to_usize(), Some(self.len().to_usize()))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_range.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |         return None;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_vector.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         return FromUsize::from_usize(index);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `FromUsize::from_usize(index)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_vector.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 | /         return if self.data.len() > 0 {
[INFO] [stderr] 228 | |             Some(ID::from_usize(0))
[INFO] [stderr] 229 | |         } else {
[INFO] [stderr] 230 | |             None
[INFO] [stderr] 231 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 227 |         if self.data.len() > 0 {
[INFO] [stderr] 228 |             Some(ID::from_usize(0))
[INFO] [stderr] 229 |         } else {
[INFO] [stderr] 230 |             None
[INFO] [stderr] 231 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_vector.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 | /         return if self.data.len() > 0 {
[INFO] [stderr] 237 | |             Some(ID::from_usize(self.data.len() - 1))
[INFO] [stderr] 238 | |         } else {
[INFO] [stderr] 239 | |             None
[INFO] [stderr] 240 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 236 |         if self.data.len() > 0 {
[INFO] [stderr] 237 |             Some(ID::from_usize(self.data.len() - 1))
[INFO] [stderr] 238 |         } else {
[INFO] [stderr] 239 |             None
[INFO] [stderr] 240 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_vector.rs:284:9
[INFO] [stderr]     |
[INFO] [stderr] 284 |         return result;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_vector.rs:414:9
[INFO] [stderr]     |
[INFO] [stderr] 414 | /         return if self.slice.len() > 0 {
[INFO] [stderr] 415 | |             Some(ID::from_usize(0))
[INFO] [stderr] 416 | |         } else {
[INFO] [stderr] 417 | |             None
[INFO] [stderr] 418 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 414 |         if self.slice.len() > 0 {
[INFO] [stderr] 415 |             Some(ID::from_usize(0))
[INFO] [stderr] 416 |         } else {
[INFO] [stderr] 417 |             None
[INFO] [stderr] 418 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_vector.rs:423:9
[INFO] [stderr]     |
[INFO] [stderr] 423 | /         return if self.slice.len() > 0 {
[INFO] [stderr] 424 | |             Some(ID::from_usize(self.slice.len() - 1))
[INFO] [stderr] 425 | |         } else {
[INFO] [stderr] 426 | |             None
[INFO] [stderr] 427 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 423 |         if self.slice.len() > 0 {
[INFO] [stderr] 424 |             Some(ID::from_usize(self.slice.len() - 1))
[INFO] [stderr] 425 |         } else {
[INFO] [stderr] 426 |             None
[INFO] [stderr] 427 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/id_list.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         return new_id;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `new_id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/id_list.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         return new_id;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `new_id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_list.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 | /         return if next == C::null_id() {
[INFO] [stderr] 173 | |             None
[INFO] [stderr] 174 | |         } else {
[INFO] [stderr] 175 | |             Some(next)
[INFO] [stderr] 176 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 172 |         if next == C::null_id() {
[INFO] [stderr] 173 |             None
[INFO] [stderr] 174 |         } else {
[INFO] [stderr] 175 |             Some(next)
[INFO] [stderr] 176 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_list.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 | /         return if prev == C::null_id() {
[INFO] [stderr] 184 | |             None
[INFO] [stderr] 185 | |         } else {
[INFO] [stderr] 186 | |             Some(prev)
[INFO] [stderr] 187 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 183 |         if prev == C::null_id() {
[INFO] [stderr] 184 |             None
[INFO] [stderr] 185 |         } else {
[INFO] [stderr] 186 |             Some(prev)
[INFO] [stderr] 187 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_list.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 | /         return if self.first == C::null_id() {
[INFO] [stderr] 193 | |             None
[INFO] [stderr] 194 | |         } else {
[INFO] [stderr] 195 | |             Some(self.first)
[INFO] [stderr] 196 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 192 |         if self.first == C::null_id() {
[INFO] [stderr] 193 |             None
[INFO] [stderr] 194 |         } else {
[INFO] [stderr] 195 |             Some(self.first)
[INFO] [stderr] 196 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/id_range.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 | /         return Id {
[INFO] [stderr] 68 | |             handle: self.start + i,
[INFO] [stderr] 69 | |             _marker: PhantomData,
[INFO] [stderr] 70 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 67 |         Id {
[INFO] [stderr] 68 |             handle: self.start + i,
[INFO] [stderr] 69 |             _marker: PhantomData,
[INFO] [stderr] 70 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_range.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         return Some(IdRange::new((self.start + H::one())..self.end));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(IdRange::new((self.start + H::one())..self.end))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_range.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 | /         return Some(IdRange::new(
[INFO] [stderr] 114 | |             self.start..FromUsize::from_usize(self.end.to_usize() - 1),
[INFO] [stderr] 115 | |         ));
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 113 |         Some(IdRange::new(
[INFO] [stderr] 114 |             self.start..FromUsize::from_usize(self.end.to_usize() - 1),
[INFO] [stderr] 115 |         ))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_range.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         return IdRange::new(start..end);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `IdRange::new(start..end)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_range.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         return None;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_range.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |         return (self.len().to_usize(), Some(self.len().to_usize()));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.len().to_usize(), Some(self.len().to_usize()))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_range.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |         return None;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_vector.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |         return FromUsize::from_usize(index);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `FromUsize::from_usize(index)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_vector.rs:227:9
[INFO] [stderr]     |
[INFO] [stderr] 227 | /         return if self.data.len() > 0 {
[INFO] [stderr] 228 | |             Some(ID::from_usize(0))
[INFO] [stderr] 229 | |         } else {
[INFO] [stderr] 230 | |             None
[INFO] [stderr] 231 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 227 |         if self.data.len() > 0 {
[INFO] [stderr] 228 |             Some(ID::from_usize(0))
[INFO] [stderr] 229 |         } else {
[INFO] [stderr] 230 |             None
[INFO] [stderr] 231 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_vector.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 | /         return if self.data.len() > 0 {
[INFO] [stderr] 237 | |             Some(ID::from_usize(self.data.len() - 1))
[INFO] [stderr] 238 | |         } else {
[INFO] [stderr] 239 | |             None
[INFO] [stderr] 240 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 236 |         if self.data.len() > 0 {
[INFO] [stderr] 237 |             Some(ID::from_usize(self.data.len() - 1))
[INFO] [stderr] 238 |         } else {
[INFO] [stderr] 239 |             None
[INFO] [stderr] 240 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_vector.rs:284:9
[INFO] [stderr]     |
[INFO] [stderr] 284 |         return result;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `result`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_vector.rs:414:9
[INFO] [stderr]     |
[INFO] [stderr] 414 | /         return if self.slice.len() > 0 {
[INFO] [stderr] 415 | |             Some(ID::from_usize(0))
[INFO] [stderr] 416 | |         } else {
[INFO] [stderr] 417 | |             None
[INFO] [stderr] 418 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 414 |         if self.slice.len() > 0 {
[INFO] [stderr] 415 |             Some(ID::from_usize(0))
[INFO] [stderr] 416 |         } else {
[INFO] [stderr] 417 |             None
[INFO] [stderr] 418 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_vector.rs:423:9
[INFO] [stderr]     |
[INFO] [stderr] 423 | /         return if self.slice.len() > 0 {
[INFO] [stderr] 424 | |             Some(ID::from_usize(self.slice.len() - 1))
[INFO] [stderr] 425 | |         } else {
[INFO] [stderr] 426 | |             None
[INFO] [stderr] 427 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 423 |         if self.slice.len() > 0 {
[INFO] [stderr] 424 |             Some(ID::from_usize(self.slice.len() - 1))
[INFO] [stderr] 425 |         } else {
[INFO] [stderr] 426 |             None
[INFO] [stderr] 427 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/id_list.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         return new_id;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `new_id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/id_list.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         return new_id;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `new_id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_list.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 | /         return if next == C::null_id() {
[INFO] [stderr] 173 | |             None
[INFO] [stderr] 174 | |         } else {
[INFO] [stderr] 175 | |             Some(next)
[INFO] [stderr] 176 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 172 |         if next == C::null_id() {
[INFO] [stderr] 173 |             None
[INFO] [stderr] 174 |         } else {
[INFO] [stderr] 175 |             Some(next)
[INFO] [stderr] 176 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_list.rs:183:9
[INFO] [stderr]     |
[INFO] [stderr] 183 | /         return if prev == C::null_id() {
[INFO] [stderr] 184 | |             None
[INFO] [stderr] 185 | |         } else {
[INFO] [stderr] 186 | |             Some(prev)
[INFO] [stderr] 187 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 183 |         if prev == C::null_id() {
[INFO] [stderr] 184 |             None
[INFO] [stderr] 185 |         } else {
[INFO] [stderr] 186 |             Some(prev)
[INFO] [stderr] 187 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_list.rs:192:9
[INFO] [stderr]     |
[INFO] [stderr] 192 | /         return if self.first == C::null_id() {
[INFO] [stderr] 193 | |             None
[INFO] [stderr] 194 | |         } else {
[INFO] [stderr] 195 | |             Some(self.first)
[INFO] [stderr] 196 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 192 |         if self.first == C::null_id() {
[INFO] [stderr] 193 |             None
[INFO] [stderr] 194 |         } else {
[INFO] [stderr] 195 |             Some(self.first)
[INFO] [stderr] 196 |         }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/id_list.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         return FromUsize::from_usize(::std::u32::MAX as usize);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `FromUsize::from_usize(::std::u32::MAX as usize)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `id_vector::IdVec<ID, T>`
[INFO] [stderr]   --> src/id_vector.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     pub fn new() -> Self {
[INFO] [stderr] 22 | |         IdVec {
[INFO] [stderr] 23 | |             data: Vec::new(),
[INFO] [stderr] 24 | |             _idtype: PhantomData,
[INFO] [stderr] 25 | |         }
[INFO] [stderr] 26 | |     }
[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] 13 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/id_vector.rs:114:33
[INFO] [stderr]     |
[INFO] [stderr] 114 |         IdSlice::new(&self.data[..(id.to_usize()+1)])
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: use: `..=id.to_usize()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/id_vector.rs:119:40
[INFO] [stderr]     |
[INFO] [stderr] 119 |         MutIdSlice::new(&mut self.data[..(id.to_usize()+1)])
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: use: `..=id.to_usize()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[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/id_vector.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 | /     pub fn iter<'l>(&'l self) -> slice::Iter<'l, T> {
[INFO] [stderr] 137 | |         self.data.iter()
[INFO] [stderr] 138 | |     }
[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/id_vector.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 | /     pub fn iter_mut<'l>(&'l mut self) -> slice::IterMut<'l, T> {
[INFO] [stderr] 143 | |         self.data.iter_mut()
[INFO] [stderr] 144 | |     }
[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/id_vector.rs:227:19
[INFO] [stderr]     |
[INFO] [stderr] 227 |         return if self.data.len() > 0 {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.data.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/id_vector.rs:236:19
[INFO] [stderr]     |
[INFO] [stderr] 236 |         return if self.data.len() > 0 {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.data.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/id_vector.rs:290:5
[INFO] [stderr]     |
[INFO] [stderr] 290 | /     fn index<'l>(&'l self, id: ID) -> &'l T {
[INFO] [stderr] 291 | |         &self.data[id.to_usize()]
[INFO] [stderr] 292 | |     }
[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/id_vector.rs:296:5
[INFO] [stderr]     |
[INFO] [stderr] 296 | /     fn index_mut<'l>(&'l mut self, id: ID) -> &'l mut T {
[INFO] [stderr] 297 | |         &mut self.data[id.to_usize()]
[INFO] [stderr] 298 | |     }
[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: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]    --> src/id_vector.rs:315:22
[INFO] [stderr]     |
[INFO] [stderr] 315 |         (&self.data).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] warning: this .into_iter() call is equivalent to .iter_mut() and will not move the Vec
[INFO] [stderr]    --> src/id_vector.rs:324:26
[INFO] [stderr]     |
[INFO] [stderr] 324 |         (&mut self.data).into_iter()
[INFO] [stderr]     |                          ^^^^^^^^^ help: call directly: `iter_mut`
[INFO] [stderr]     |
[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] warning: item `id_vector::IdSlice<'l, ID, T>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/id_vector.rs:365:1
[INFO] [stderr]     |
[INFO] [stderr] 365 | / impl<'l, T, ID: Identifier> IdSlice<'l, ID, T>
[INFO] [stderr] 366 | | where
[INFO] [stderr] 367 | |     T: 'l,
[INFO] [stderr] 368 | | {
[INFO] [stderr] ...   |
[INFO] [stderr] 454 | |     }
[INFO] [stderr] 455 | | }
[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/id_vector.rs:383:5
[INFO] [stderr]     |
[INFO] [stderr] 383 | /     pub fn untyped<'a>(&'a self) -> &'a [T] {
[INFO] [stderr] 384 | |         self.slice
[INFO] [stderr] 385 | |     }
[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/id_vector.rs:388:5
[INFO] [stderr]     |
[INFO] [stderr] 388 | /     pub fn iter<'a>(&'a self) -> slice::Iter<'a, T> {
[INFO] [stderr] 389 | |         self.slice.iter()
[INFO] [stderr] 390 | |     }
[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/id_vector.rs:414:19
[INFO] [stderr]     |
[INFO] [stderr] 414 |         return if self.slice.len() > 0 {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.slice.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: length comparison to zero
[INFO] [stderr]    --> src/id_vector.rs:423:19
[INFO] [stderr]     |
[INFO] [stderr] 423 |         return if self.slice.len() > 0 {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.slice.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: an inclusive range would be more readable
[INFO] [stderr]    --> src/id_vector.rs:453:34
[INFO] [stderr]     |
[INFO] [stderr] 453 |         IdSlice::new(&self.slice[..(id.to_usize()+1)])
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^ help: use: `..=id.to_usize()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[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/id_vector.rs:463:5
[INFO] [stderr]     |
[INFO] [stderr] 463 | /     fn index<'a>(&'a self, id: ID) -> &'a T {
[INFO] [stderr] 464 | |         &self.slice[id.to_usize()]
[INFO] [stderr] 465 | |     }
[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: item `id_vector::MutIdSlice<'l, ID, T>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/id_vector.rs:475:1
[INFO] [stderr]     |
[INFO] [stderr] 475 | / impl<'l, ID: Identifier, T: 'l> MutIdSlice<'l, ID, T> {
[INFO] [stderr] 476 | |     #[inline]
[INFO] [stderr] 477 | |     pub fn new(slice: &'l mut [T]) -> MutIdSlice<'l, ID, T> {
[INFO] [stderr] 478 | |         MutIdSlice {
[INFO] [stderr] ...   |
[INFO] [stderr] 542 | |     }
[INFO] [stderr] 543 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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/id_vector.rs:495:5
[INFO] [stderr]     |
[INFO] [stderr] 495 | /     pub fn iter<'a>(&'a self) -> slice::Iter<'a, T> {
[INFO] [stderr] 496 | |         self.slice.iter()
[INFO] [stderr] 497 | |     }
[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/id_vector.rs:500:5
[INFO] [stderr]     |
[INFO] [stderr] 500 | /     pub fn iter_mut<'a>(&'a mut self) -> slice::IterMut<'a, T> {
[INFO] [stderr] 501 | |         self.slice.iter_mut()
[INFO] [stderr] 502 | |     }
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/id_vector.rs:541:41
[INFO] [stderr]     |
[INFO] [stderr] 541 |         MutIdSlice::new(&mut self.slice[..(id.to_usize()+1)])
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^ help: use: `..=id.to_usize()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[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/id_vector.rs:566:5
[INFO] [stderr]     |
[INFO] [stderr] 566 | /     fn index<'a>(&'a self, id: ID) -> &'a T {
[INFO] [stderr] 567 | |         &self.slice[id.to_usize()]
[INFO] [stderr] 568 | |     }
[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/id_vector.rs:573:5
[INFO] [stderr]     |
[INFO] [stderr] 573 | /     fn index_mut<'a>(&'a mut self, id: ID) -> &'a mut T {
[INFO] [stderr] 574 | |         &mut self.slice[id.to_usize()]
[INFO] [stderr] 575 | |     }
[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: you should consider adding a `Default` implementation for `id_list::IdFreeList<ID, Data, C>`
[INFO] [stderr]   --> src/id_list.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     pub fn new() -> IdFreeList<ID, Data, C> {
[INFO] [stderr] 27 | |         IdFreeList {
[INFO] [stderr] 28 | |             data: Vec::new(),
[INFO] [stderr] 29 | |             first: C::null_id(),
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |         }
[INFO] [stderr] 33 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl Default for id_list::IdFreeList<ID, Data, C> {
[INFO] [stderr] 25 |     fn default() -> Self {
[INFO] [stderr] 26 |         Self::new()
[INFO] [stderr] 27 |     }
[INFO] [stderr] 28 | }
[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/id_list.rs:202:5
[INFO] [stderr]     |
[INFO] [stderr] 202 | /     fn index<'l>(&'l self, id: ID) -> &'l Data {
[INFO] [stderr] 203 | |         // Enabling assertion is very expensive
[INFO] [stderr] 204 | |         //debug_assert!(self.has_id(id));
[INFO] [stderr] 205 | |         &self.data[id.to_usize()].payload
[INFO] [stderr] 206 | |     }
[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/id_list.rs:210:5
[INFO] [stderr]     |
[INFO] [stderr] 210 | /     fn index_mut<'l>(&'l mut self, id: ID) -> &'l mut Data {
[INFO] [stderr] 211 | |         // Enabling assertion is very expensive
[INFO] [stderr] 212 | |         //debug_assert!(self.has_id(id));
[INFO] [stderr] 213 | |         &mut self.data[id.to_usize()].payload
[INFO] [stderr] 214 | |     }
[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: you should consider deriving a `Default` implementation for `id_vector::IdVec<ID, T>`
[INFO] [stderr]   --> src/id_vector.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     pub fn new() -> Self {
[INFO] [stderr] 22 | |         IdVec {
[INFO] [stderr] 23 | |             data: Vec::new(),
[INFO] [stderr] 24 | |             _idtype: PhantomData,
[INFO] [stderr] 25 | |         }
[INFO] [stderr] 26 | |     }
[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] 13 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/id_vector.rs:114:33
[INFO] [stderr]     |
[INFO] [stderr] 114 |         IdSlice::new(&self.data[..(id.to_usize()+1)])
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: use: `..=id.to_usize()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/id_vector.rs:119:40
[INFO] [stderr]     |
[INFO] [stderr] 119 |         MutIdSlice::new(&mut self.data[..(id.to_usize()+1)])
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: use: `..=id.to_usize()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[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/id_vector.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 | /     pub fn iter<'l>(&'l self) -> slice::Iter<'l, T> {
[INFO] [stderr] 137 | |         self.data.iter()
[INFO] [stderr] 138 | |     }
[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/id_vector.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 | /     pub fn iter_mut<'l>(&'l mut self) -> slice::IterMut<'l, T> {
[INFO] [stderr] 143 | |         self.data.iter_mut()
[INFO] [stderr] 144 | |     }
[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/id_vector.rs:227:19
[INFO] [stderr]     |
[INFO] [stderr] 227 |         return if self.data.len() > 0 {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.data.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/id_vector.rs:236:19
[INFO] [stderr]     |
[INFO] [stderr] 236 |         return if self.data.len() > 0 {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.data.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/id_vector.rs:290:5
[INFO] [stderr]     |
[INFO] [stderr] 290 | /     fn index<'l>(&'l self, id: ID) -> &'l T {
[INFO] [stderr] 291 | |         &self.data[id.to_usize()]
[INFO] [stderr] 292 | |     }
[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/id_vector.rs:296:5
[INFO] [stderr]     |
[INFO] [stderr] 296 | /     fn index_mut<'l>(&'l mut self, id: ID) -> &'l mut T {
[INFO] [stderr] 297 | |         &mut self.data[id.to_usize()]
[INFO] [stderr] 298 | |     }
[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: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]    --> src/id_vector.rs:315:22
[INFO] [stderr]     |
[INFO] [stderr] 315 |         (&self.data).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] warning: this .into_iter() call is equivalent to .iter_mut() and will not move the Vec
[INFO] [stderr]    --> src/id_vector.rs:324:26
[INFO] [stderr]     |
[INFO] [stderr] 324 |         (&mut self.data).into_iter()
[INFO] [stderr]     |                          ^^^^^^^^^ help: call directly: `iter_mut`
[INFO] [stderr]     |
[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] warning: item `id_vector::IdSlice<'l, ID, T>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/id_vector.rs:365:1
[INFO] [stderr]     |
[INFO] [stderr] 365 | / impl<'l, T, ID: Identifier> IdSlice<'l, ID, T>
[INFO] [stderr] 366 | | where
[INFO] [stderr] 367 | |     T: 'l,
[INFO] [stderr] 368 | | {
[INFO] [stderr] ...   |
[INFO] [stderr] 454 | |     }
[INFO] [stderr] 455 | | }
[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/id_vector.rs:383:5
[INFO] [stderr]     |
[INFO] [stderr] 383 | /     pub fn untyped<'a>(&'a self) -> &'a [T] {
[INFO] [stderr] 384 | |         self.slice
[INFO] [stderr] 385 | |     }
[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/id_vector.rs:388:5
[INFO] [stderr]     |
[INFO] [stderr] 388 | /     pub fn iter<'a>(&'a self) -> slice::Iter<'a, T> {
[INFO] [stderr] 389 | |         self.slice.iter()
[INFO] [stderr] 390 | |     }
[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/id_vector.rs:414:19
[INFO] [stderr]     |
[INFO] [stderr] 414 |         return if self.slice.len() > 0 {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.slice.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: length comparison to zero
[INFO] [stderr]    --> src/id_vector.rs:423:19
[INFO] [stderr]     |
[INFO] [stderr] 423 |         return if self.slice.len() > 0 {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.slice.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: an inclusive range would be more readable
[INFO] [stderr]    --> src/id_vector.rs:453:34
[INFO] [stderr]     |
[INFO] [stderr] 453 |         IdSlice::new(&self.slice[..(id.to_usize()+1)])
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^ help: use: `..=id.to_usize()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[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/id_vector.rs:463:5
[INFO] [stderr]     |
[INFO] [stderr] 463 | /     fn index<'a>(&'a self, id: ID) -> &'a T {
[INFO] [stderr] 464 | |         &self.slice[id.to_usize()]
[INFO] [stderr] 465 | |     }
[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: item `id_vector::MutIdSlice<'l, ID, T>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/id_vector.rs:475:1
[INFO] [stderr]     |
[INFO] [stderr] 475 | / impl<'l, ID: Identifier, T: 'l> MutIdSlice<'l, ID, T> {
[INFO] [stderr] 476 | |     #[inline]
[INFO] [stderr] 477 | |     pub fn new(slice: &'l mut [T]) -> MutIdSlice<'l, ID, T> {
[INFO] [stderr] 478 | |         MutIdSlice {
[INFO] [stderr] ...   |
[INFO] [stderr] 542 | |     }
[INFO] [stderr] 543 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[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/id_vector.rs:495:5
[INFO] [stderr]     |
[INFO] [stderr] 495 | /     pub fn iter<'a>(&'a self) -> slice::Iter<'a, T> {
[INFO] [stderr] 496 | |         self.slice.iter()
[INFO] [stderr] 497 | |     }
[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/id_vector.rs:500:5
[INFO] [stderr]     |
[INFO] [stderr] 500 | /     pub fn iter_mut<'a>(&'a mut self) -> slice::IterMut<'a, T> {
[INFO] [stderr] 501 | |         self.slice.iter_mut()
[INFO] [stderr] 502 | |     }
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/id_vector.rs:541:41
[INFO] [stderr]     |
[INFO] [stderr] 541 |         MutIdSlice::new(&mut self.slice[..(id.to_usize()+1)])
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^ help: use: `..=id.to_usize()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[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/id_vector.rs:566:5
[INFO] [stderr]     |
[INFO] [stderr] 566 | /     fn index<'a>(&'a self, id: ID) -> &'a T {
[INFO] [stderr] 567 | |         &self.slice[id.to_usize()]
[INFO] [stderr] 568 | |     }
[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/id_vector.rs:573:5
[INFO] [stderr]     |
[INFO] [stderr] 573 | /     fn index_mut<'a>(&'a mut self, id: ID) -> &'a mut T {
[INFO] [stderr] 574 | |         &mut self.slice[id.to_usize()]
[INFO] [stderr] 575 | |     }
[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: the variable `idx` is used as a loop counter. Consider using `for (idx, item) in &v.enumerate()` or similar iterators
[INFO] [stderr]    --> src/id_vector.rs:621:16
[INFO] [stderr]     |
[INFO] [stderr] 621 |     for elt in &v {
[INFO] [stderr]     |                ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `idx` is used as a loop counter. Consider using `for (idx, item) in &v.enumerate()` or similar iterators
[INFO] [stderr]    --> src/id_vector.rs:631:16
[INFO] [stderr]     |
[INFO] [stderr] 631 |     for elt in &v {
[INFO] [stderr]     |                ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `id_list::IdFreeList<ID, Data, C>`
[INFO] [stderr]   --> src/id_list.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     pub fn new() -> IdFreeList<ID, Data, C> {
[INFO] [stderr] 27 | |         IdFreeList {
[INFO] [stderr] 28 | |             data: Vec::new(),
[INFO] [stderr] 29 | |             first: C::null_id(),
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |         }
[INFO] [stderr] 33 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl Default for id_list::IdFreeList<ID, Data, C> {
[INFO] [stderr] 25 |     fn default() -> Self {
[INFO] [stderr] 26 |         Self::new()
[INFO] [stderr] 27 |     }
[INFO] [stderr] 28 | }
[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/id_list.rs:202:5
[INFO] [stderr]     |
[INFO] [stderr] 202 | /     fn index<'l>(&'l self, id: ID) -> &'l Data {
[INFO] [stderr] 203 | |         // Enabling assertion is very expensive
[INFO] [stderr] 204 | |         //debug_assert!(self.has_id(id));
[INFO] [stderr] 205 | |         &self.data[id.to_usize()].payload
[INFO] [stderr] 206 | |     }
[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/id_list.rs:210:5
[INFO] [stderr]     |
[INFO] [stderr] 210 | /     fn index_mut<'l>(&'l mut self, id: ID) -> &'l mut Data {
[INFO] [stderr] 211 | |         // Enabling assertion is very expensive
[INFO] [stderr] 212 | |         //debug_assert!(self.has_id(id));
[INFO] [stderr] 213 | |         &mut self.data[id.to_usize()].payload
[INFO] [stderr] 214 | |     }
[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: the function has a cyclomatic complexity of 36
[INFO] [stderr]    --> src/id_list.rs:248:1
[INFO] [stderr]     |
[INFO] [stderr] 248 | / fn vector_list() {
[INFO] [stderr] 249 | |     let mut list: TestIdFreeList = TestIdFreeList::with_capacity(10);
[INFO] [stderr] 250 | |     assert!(list.is_empty());
[INFO] [stderr] 251 | |     assert_eq!(list.count(), 0);
[INFO] [stderr] ...   |
[INFO] [stderr] 302 | |     assert!(list.first_id().is_none());
[INFO] [stderr] 303 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "fe81f2b33973c4fd21b26fd77540a36f5ab9ee8e4818bc82678276fc40d21dd1"`
[INFO] running `"docker" "rm" "-f" "fe81f2b33973c4fd21b26fd77540a36f5ab9ee8e4818bc82678276fc40d21dd1"`
[INFO] [stdout] fe81f2b33973c4fd21b26fd77540a36f5ab9ee8e4818bc82678276fc40d21dd1