[INFO] crate nested 0.1.0 is already in cache
[INFO] extracting crate nested 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/nested/0.1.0
[INFO] extracting crate nested 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nested/0.1.0
[INFO] validating manifest of nested-0.1.0 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 nested-0.1.0 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 nested-0.1.0
[INFO] finished frobbing nested-0.1.0
[INFO] frobbed toml for nested-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/nested/0.1.0/Cargo.toml
[INFO] started frobbing nested-0.1.0
[INFO] finished frobbing nested-0.1.0
[INFO] frobbed toml for nested-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/nested/0.1.0/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 nested-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/nested/0.1.0:/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] 6214b59de4d77b394453be7dd8dcd5c44269334fe76ef529e7639c45d13b94ec
[INFO] running `"docker" "start" "-a" "6214b59de4d77b394453be7dd8dcd5c44269334fe76ef529e7639c45d13b94ec"`
[INFO] [stderr]     Checking nested v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |             indices: indices,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `indices`
[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:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |             indices: indices,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `indices`
[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: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/lib.rs:253:17
[INFO] [stderr]     |
[INFO] [stderr] 253 |         assert!(index + 1 <= self.indices.len());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::int_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 253 |         assert!(index < self.indices.len());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Collection` has a `len` method but no (possibly inherited) `is_empty` method
[INFO] [stderr]   --> src/lib.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | / pub trait Collection: Index<Range<usize>> {
[INFO] [stderr] 52 | |     fn new() -> Self;
[INFO] [stderr] 53 | |     fn with_capacity(cap: usize) -> Self;
[INFO] [stderr] 54 | |     fn len(&self) -> usize;
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     fn split_off(&mut self, at: usize) -> Self;
[INFO] [stderr] 58 | | }
[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: you should consider adding a `Default` implementation for `Nested<T>`
[INFO] [stderr]    --> src/lib.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 | /     pub fn new() -> Self {
[INFO] [stderr] 122 | |         Nested {
[INFO] [stderr] 123 | |             indices: vec![0],
[INFO] [stderr] 124 | |             data: T::new(),
[INFO] [stderr] 125 | |         }
[INFO] [stderr] 126 | |     }
[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] 119 | impl Default for Nested<T> {
[INFO] [stderr] 120 |     fn default() -> Self {
[INFO] [stderr] 121 |         Self::new()
[INFO] [stderr] 122 |     }
[INFO] [stderr] 123 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/lib.rs:253:17
[INFO] [stderr]     |
[INFO] [stderr] 253 |         assert!(index + 1 <= self.indices.len());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::int_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 253 |         assert!(index < self.indices.len());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Collection` has a `len` method but no (possibly inherited) `is_empty` method
[INFO] [stderr]   --> src/lib.rs:51:1
[INFO] [stderr]    |
[INFO] [stderr] 51 | / pub trait Collection: Index<Range<usize>> {
[INFO] [stderr] 52 | |     fn new() -> Self;
[INFO] [stderr] 53 | |     fn with_capacity(cap: usize) -> Self;
[INFO] [stderr] 54 | |     fn len(&self) -> usize;
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     fn split_off(&mut self, at: usize) -> Self;
[INFO] [stderr] 58 | | }
[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: you should consider adding a `Default` implementation for `Nested<T>`
[INFO] [stderr]    --> src/lib.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 | /     pub fn new() -> Self {
[INFO] [stderr] 122 | |         Nested {
[INFO] [stderr] 123 | |             indices: vec![0],
[INFO] [stderr] 124 | |             data: T::new(),
[INFO] [stderr] 125 | |         }
[INFO] [stderr] 126 | |     }
[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] 119 | impl Default for Nested<T> {
[INFO] [stderr] 120 |     fn default() -> Self {
[INFO] [stderr] 121 |         Self::new()
[INFO] [stderr] 122 |     }
[INFO] [stderr] 123 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/bench.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `nested`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6214b59de4d77b394453be7dd8dcd5c44269334fe76ef529e7639c45d13b94ec"`
[INFO] running `"docker" "rm" "-f" "6214b59de4d77b394453be7dd8dcd5c44269334fe76ef529e7639c45d13b94ec"`
[INFO] [stdout] 6214b59de4d77b394453be7dd8dcd5c44269334fe76ef529e7639c45d13b94ec