[INFO] crate ids_container 0.1.1 is already in cache
[INFO] extracting crate ids_container 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/ids_container/0.1.1
[INFO] extracting crate ids_container 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ids_container/0.1.1
[INFO] validating manifest of ids_container-0.1.1 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 ids_container-0.1.1 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 ids_container-0.1.1
[INFO] finished frobbing ids_container-0.1.1
[INFO] frobbed toml for ids_container-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/ids_container/0.1.1/Cargo.toml
[INFO] started frobbing ids_container-0.1.1
[INFO] finished frobbing ids_container-0.1.1
[INFO] frobbed toml for ids_container-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ids_container/0.1.1/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 ids_container-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/ids_container/0.1.1:/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] fc52f4a7845a94dae769c919a961d60aca2e86833101b01c17e645b24bdfe06d
[INFO] running `"docker" "start" "-a" "fc52f4a7845a94dae769c919a961d60aca2e86833101b01c17e645b24bdfe06d"`
[INFO] [stderr]     Checking ids_container v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `IdsContainer<T>`
[INFO] [stderr]   --> src/lib.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     pub fn new() -> IdsContainer<T> {
[INFO] [stderr] 23 | |         IdsContainer {
[INFO] [stderr] 24 | |             data: HashMap::new(),
[INFO] [stderr] 25 | |             next_id: 1,
[INFO] [stderr] 26 | |         }
[INFO] [stderr] 27 | |     }
[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] 3  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lib.rs:30:34
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn get<'a>(&'a self, id: &Id) -> Option<&'a T> {
[INFO] [stderr]    |                                  ^^^ help: consider passing by value instead: `Id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lib.rs:35:42
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn get_mut<'a>(&'a mut self, id: &Id) -> Option<&'a mut T> {
[INFO] [stderr]    |                                          ^^^ help: consider passing by value instead: `Id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/lib.rs:70:22
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let new_id = self.next_id.clone();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.next_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/lib.rs:94:57
[INFO] [stderr]    |
[INFO] [stderr] 94 |         self.iter.next().map(|(id, value)| (Id { value: id.clone() }, value))
[INFO] [stderr]    |                                                         ^^^^^^^^^^ help: try dereferencing it: `*id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:102:57
[INFO] [stderr]     |
[INFO] [stderr] 102 |         self.iter.next().map(|(id, value)| (Id { value: id.clone() }, value))
[INFO] [stderr]     |                                                         ^^^^^^^^^^ help: try dereferencing it: `*id`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `IdsContainer<T>`
[INFO] [stderr]   --> src/lib.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     pub fn new() -> IdsContainer<T> {
[INFO] [stderr] 23 | |         IdsContainer {
[INFO] [stderr] 24 | |             data: HashMap::new(),
[INFO] [stderr] 25 | |             next_id: 1,
[INFO] [stderr] 26 | |         }
[INFO] [stderr] 27 | |     }
[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] 3  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lib.rs:30:34
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn get<'a>(&'a self, id: &Id) -> Option<&'a T> {
[INFO] [stderr]    |                                  ^^^ help: consider passing by value instead: `Id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lib.rs:35:42
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn get_mut<'a>(&'a mut self, id: &Id) -> Option<&'a mut T> {
[INFO] [stderr]    |                                          ^^^ help: consider passing by value instead: `Id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/lib.rs:70:22
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let new_id = self.next_id.clone();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.next_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/lib.rs:94:57
[INFO] [stderr]    |
[INFO] [stderr] 94 |         self.iter.next().map(|(id, value)| (Id { value: id.clone() }, value))
[INFO] [stderr]    |                                                         ^^^^^^^^^^ help: try dereferencing it: `*id`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:102:57
[INFO] [stderr]     |
[INFO] [stderr] 102 |         self.iter.next().map(|(id, value)| (Id { value: id.clone() }, value))
[INFO] [stderr]     |                                                         ^^^^^^^^^^ help: try dereferencing it: `*id`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> tests/tests.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |     container.remove(id3.clone());
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: try removing the `clone` call: `id3`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "fc52f4a7845a94dae769c919a961d60aca2e86833101b01c17e645b24bdfe06d"`
[INFO] running `"docker" "rm" "-f" "fc52f4a7845a94dae769c919a961d60aca2e86833101b01c17e645b24bdfe06d"`
[INFO] [stdout] fc52f4a7845a94dae769c919a961d60aca2e86833101b01c17e645b24bdfe06d