[INFO] crate addressable_queue 0.2.1 is already in cache
[INFO] extracting crate addressable_queue 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/addressable_queue/0.2.1
[INFO] extracting crate addressable_queue 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/addressable_queue/0.2.1
[INFO] validating manifest of addressable_queue-0.2.1 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 addressable_queue-0.2.1 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 addressable_queue-0.2.1
[INFO] finished frobbing addressable_queue-0.2.1
[INFO] frobbed toml for addressable_queue-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/addressable_queue/0.2.1/Cargo.toml
[INFO] started frobbing addressable_queue-0.2.1
[INFO] finished frobbing addressable_queue-0.2.1
[INFO] frobbed toml for addressable_queue-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/addressable_queue/0.2.1/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 addressable_queue-0.2.1 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/addressable_queue/0.2.1:/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] ac67936fb494483a12fb2e99a3cf165d24d4c6fa4fc92ea9ff761b889a428ed2
[INFO] running `"docker" "start" "-a" "ac67936fb494483a12fb2e99a3cf165d24d4c6fa4fc92ea9ff761b889a428ed2"`
[INFO] [stderr]     Checking addressable_queue v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: item `fifo::Queue<K, V>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/fifo.rs:36:1
[INFO] [stderr]     |
[INFO] [stderr] 36  | / impl<K, V> Queue<K, V>
[INFO] [stderr] 37  | | where
[INFO] [stderr] 38  | |     K: Clone + Eq + Hash,
[INFO] [stderr] 39  | | {
[INFO] [stderr] ...   |
[INFO] [stderr] 271 | |     }
[INFO] [stderr] 272 | | }
[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 deriving a `Default` implementation for `fifo::Queue<K, V>`
[INFO] [stderr]   --> src/fifo.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | /     pub fn new() -> Self {
[INFO] [stderr] 42 | |         Queue {
[INFO] [stderr] 43 | |             items: VecDeque::new(),
[INFO] [stderr] 44 | |             pointers: HashMap::new(),
[INFO] [stderr] 45 | |         }
[INFO] [stderr] 46 | |     }
[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] 31 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: item `fifo::Queue<K, V>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/fifo.rs:36:1
[INFO] [stderr]     |
[INFO] [stderr] 36  | / impl<K, V> Queue<K, V>
[INFO] [stderr] 37  | | where
[INFO] [stderr] 38  | |     K: Clone + Eq + Hash,
[INFO] [stderr] 39  | | {
[INFO] [stderr] ...   |
[INFO] [stderr] 271 | |     }
[INFO] [stderr] 272 | | }
[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 deriving a `Default` implementation for `fifo::Queue<K, V>`
[INFO] [stderr]   --> src/fifo.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | /     pub fn new() -> Self {
[INFO] [stderr] 42 | |         Queue {
[INFO] [stderr] 43 | |             items: VecDeque::new(),
[INFO] [stderr] 44 | |             pointers: HashMap::new(),
[INFO] [stderr] 45 | |         }
[INFO] [stderr] 46 | |     }
[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] 31 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "ac67936fb494483a12fb2e99a3cf165d24d4c6fa4fc92ea9ff761b889a428ed2"`
[INFO] running `"docker" "rm" "-f" "ac67936fb494483a12fb2e99a3cf165d24d4c6fa4fc92ea9ff761b889a428ed2"`
[INFO] [stdout] ac67936fb494483a12fb2e99a3cf165d24d4c6fa4fc92ea9ff761b889a428ed2