[INFO] crate daggy 0.6.0 is already in cache
[INFO] extracting crate daggy 0.6.0 into work/ex/clippy-test-run/sources/stable/reg/daggy/0.6.0
[INFO] extracting crate daggy 0.6.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/daggy/0.6.0
[INFO] validating manifest of daggy-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 daggy-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 daggy-0.6.0
[INFO] finished frobbing daggy-0.6.0
[INFO] frobbed toml for daggy-0.6.0 written to work/ex/clippy-test-run/sources/stable/reg/daggy/0.6.0/Cargo.toml
[INFO] started frobbing daggy-0.6.0
[INFO] finished frobbing daggy-0.6.0
[INFO] frobbed toml for daggy-0.6.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/daggy/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 daggy-0.6.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/daggy/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 -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a02cfb114b9bfa74f00486951c1026bab5bccca6a11b6264d368002dbc9719f6
[INFO] running `"docker" "start" "-a" "a02cfb114b9bfa74f00486951c1026bab5bccca6a11b6264d368002dbc9719f6"`
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking daggy v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/walker.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             recursive_fn: recursive_fn,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `recursive_fn`
[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:211:13
[INFO] [stderr]     |
[INFO] [stderr] 211 |             graph: graph,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `graph`
[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:212:13
[INFO] [stderr]     |
[INFO] [stderr] 212 |             cycle_state: cycle_state,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cycle_state`
[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:237:13
[INFO] [stderr]     |
[INFO] [stderr] 237 |             graph: graph,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `graph`
[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:238:13
[INFO] [stderr]     |
[INFO] [stderr] 238 |             cycle_state: cycle_state,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cycle_state`
[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:593:13
[INFO] [stderr]     |
[INFO] [stderr] 593 |             walk_edges: walk_edges,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `walk_edges`
[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:611:13
[INFO] [stderr]     |
[INFO] [stderr] 611 |             walk_edges: walk_edges,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `walk_edges`
[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:695:13
[INFO] [stderr]     |
[INFO] [stderr] 695 |             graph: graph,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `graph`
[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:696:13
[INFO] [stderr]     |
[INFO] [stderr] 696 |             cycle_state: cycle_state,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cycle_state`
[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/walker.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             recursive_fn: recursive_fn,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `recursive_fn`
[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:211:13
[INFO] [stderr]     |
[INFO] [stderr] 211 |             graph: graph,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `graph`
[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:212:13
[INFO] [stderr]     |
[INFO] [stderr] 212 |             cycle_state: cycle_state,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cycle_state`
[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:237:13
[INFO] [stderr]     |
[INFO] [stderr] 237 |             graph: graph,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `graph`
[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:238:13
[INFO] [stderr]     |
[INFO] [stderr] 238 |             cycle_state: cycle_state,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cycle_state`
[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:593:13
[INFO] [stderr]     |
[INFO] [stderr] 593 |             walk_edges: walk_edges,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `walk_edges`
[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:611:13
[INFO] [stderr]     |
[INFO] [stderr] 611 |             walk_edges: walk_edges,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `walk_edges`
[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:695:13
[INFO] [stderr]     |
[INFO] [stderr] 695 |             graph: graph,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `graph`
[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:696:13
[INFO] [stderr]     |
[INFO] [stderr] 696 |             cycle_state: cycle_state,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `cycle_state`
[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: this if statement can be collapsed
[INFO] [stderr]    --> src/lib.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 | /             if !should_check_for_cycle {
[INFO] [stderr] 371 | |                 if must_check_for_cycle(self, a, b) {
[INFO] [stderr] 372 | |                     should_check_for_cycle = true;
[INFO] [stderr] 373 | |                 }
[INFO] [stderr] 374 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 370 |             if !should_check_for_cycle && must_check_for_cycle(self, a, b) {
[INFO] [stderr] 371 |     should_check_for_cycle = true;
[INFO] [stderr] 372 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/lib.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 | /             if !should_check_for_cycle {
[INFO] [stderr] 371 | |                 if must_check_for_cycle(self, a, b) {
[INFO] [stderr] 372 | |                     should_check_for_cycle = true;
[INFO] [stderr] 373 | |                 }
[INFO] [stderr] 374 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 370 |             if !should_check_for_cycle && must_check_for_cycle(self, a, b) {
[INFO] [stderr] 371 |     should_check_for_cycle = true;
[INFO] [stderr] 372 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/lib.rs:554:10
[INFO] [stderr]     |
[INFO] [stderr] 554 |       ) -> (
[INFO] [stderr]     |  __________^
[INFO] [stderr] 555 | |         &mut <DiGraph<N, E, Ix> as Index<A>>::Output,
[INFO] [stderr] 556 | |         &mut <DiGraph<N, E, Ix> as Index<B>>::Output,
[INFO] [stderr] 557 | |     )
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:946:33
[INFO] [stderr]     |
[INFO] [stderr] 946 |         self.indices.next().map(|i| EdgeIndex::new(i))
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `EdgeIndex::new`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/lib.rs:554:10
[INFO] [stderr]     |
[INFO] [stderr] 554 |       ) -> (
[INFO] [stderr]     |  __________^
[INFO] [stderr] 555 | |         &mut <DiGraph<N, E, Ix> as Index<A>>::Output,
[INFO] [stderr] 556 | |         &mut <DiGraph<N, E, Ix> as Index<B>>::Output,
[INFO] [stderr] 557 | |     )
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:946:33
[INFO] [stderr]     |
[INFO] [stderr] 946 |         self.indices.next().map(|i| EdgeIndex::new(i))
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `EdgeIndex::new`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/add_edges.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `daggy`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a02cfb114b9bfa74f00486951c1026bab5bccca6a11b6264d368002dbc9719f6"`
[INFO] running `"docker" "rm" "-f" "a02cfb114b9bfa74f00486951c1026bab5bccca6a11b6264d368002dbc9719f6"`
[INFO] [stdout] a02cfb114b9bfa74f00486951c1026bab5bccca6a11b6264d368002dbc9719f6