[INFO] crate crdt_rs 0.1.2 is already in cache
[INFO] extracting crate crdt_rs 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/crdt_rs/0.1.2
[INFO] extracting crate crdt_rs 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/crdt_rs/0.1.2
[INFO] validating manifest of crdt_rs-0.1.2 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of crdt_rs-0.1.2 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing crdt_rs-0.1.2
[INFO] finished frobbing crdt_rs-0.1.2
[INFO] frobbed toml for crdt_rs-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/crdt_rs/0.1.2/Cargo.toml
[INFO] started frobbing crdt_rs-0.1.2
[INFO] finished frobbing crdt_rs-0.1.2
[INFO] frobbed toml for crdt_rs-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/crdt_rs/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting crdt_rs-0.1.2 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-0/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/crdt_rs/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -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] 9df977907e681bdbf3ab6694d6d838366e94d723adf0f983d1b72ba77255c647
[INFO] running `"docker" "start" "-a" "9df977907e681bdbf3ab6694d6d838366e94d723adf0f983d1b72ba77255c647"`
[INFO] [stderr]     Checking crdt_rs v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/pset.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         return false
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/pset.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         return false
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `gset::GSet<T>`
[INFO] [stderr]   --> src/gset.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     pub fn new() -> GSet<T> {
[INFO] [stderr] 19 | |         GSet { set: BTreeSet::new() }
[INFO] [stderr] 20 | |     }
[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] 7  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `pset::PSet<T>`
[INFO] [stderr]   --> src/pset.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     pub fn new() -> PSet<T> {
[INFO] [stderr] 16 | |         PSet {
[INFO] [stderr] 17 | |             add_set:    GSet::new(),
[INFO] [stderr] 18 | |             remove_set: GSet::new()
[INFO] [stderr] 19 | |         }
[INFO] [stderr] 20 | |     }
[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] 13 | impl Default for pset::PSet<T> {
[INFO] [stderr] 14 |     fn default() -> Self {
[INFO] [stderr] 15 |         Self::new()
[INFO] [stderr] 16 |     }
[INFO] [stderr] 17 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `is_*` usually take self by reference or no self; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/pset.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn is_empty(&mut self) -> bool {
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `gset::GSet<T>`
[INFO] [stderr]   --> src/gset.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     pub fn new() -> GSet<T> {
[INFO] [stderr] 19 | |         GSet { set: BTreeSet::new() }
[INFO] [stderr] 20 | |     }
[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] 7  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `pset::PSet<T>`
[INFO] [stderr]   --> src/pset.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     pub fn new() -> PSet<T> {
[INFO] [stderr] 16 | |         PSet {
[INFO] [stderr] 17 | |             add_set:    GSet::new(),
[INFO] [stderr] 18 | |             remove_set: GSet::new()
[INFO] [stderr] 19 | |         }
[INFO] [stderr] 20 | |     }
[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] 13 | impl Default for pset::PSet<T> {
[INFO] [stderr] 14 |     fn default() -> Self {
[INFO] [stderr] 15 |         Self::new()
[INFO] [stderr] 16 |     }
[INFO] [stderr] 17 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `is_*` usually take self by reference or no self; consider choosing a less ambiguous name
[INFO] [stderr]   --> src/pset.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn is_empty(&mut self) -> bool {
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "9df977907e681bdbf3ab6694d6d838366e94d723adf0f983d1b72ba77255c647"`
[INFO] running `"docker" "rm" "-f" "9df977907e681bdbf3ab6694d6d838366e94d723adf0f983d1b72ba77255c647"`
[INFO] [stdout] 9df977907e681bdbf3ab6694d6d838366e94d723adf0f983d1b72ba77255c647