[INFO] updating cached repository Axary/crow_util
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Axary/crow_util
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Axary/crow_util" "work/ex/clippy-test-run/sources/stable/gh/Axary/crow_util"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Axary/crow_util'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Axary/crow_util" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Axary/crow_util"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Axary/crow_util'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 38060197bf20ba3c672bcc777da7f616ef97c870
[INFO] sha for GitHub repo Axary/crow_util: 38060197bf20ba3c672bcc777da7f616ef97c870
[INFO] validating manifest of Axary/crow_util 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 Axary/crow_util 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 Axary/crow_util
[INFO] finished frobbing Axary/crow_util
[INFO] frobbed toml for Axary/crow_util written to work/ex/clippy-test-run/sources/stable/gh/Axary/crow_util/Cargo.toml
[INFO] started frobbing Axary/crow_util
[INFO] finished frobbing Axary/crow_util
[INFO] frobbed toml for Axary/crow_util written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Axary/crow_util/Cargo.toml
[INFO] crate Axary/crow_util has a lockfile. skipping
[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 Axary/crow_util against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Axary/crow_util:/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] 00e4a4e08897c2d1f73140fdeaac3e7bec602ce5168c266edb8c89ef16e6f1ed
[INFO] running `"docker" "start" "-a" "00e4a4e08897c2d1f73140fdeaac3e7bec602ce5168c266edb8c89ef16e6f1ed"`
[INFO] [stderr]     Checking crow_util v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: item `holder::Holder<T>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/holder.rs:43:1
[INFO] [stderr]     |
[INFO] [stderr] 43  | / impl<T> Holder<T> {
[INFO] [stderr] 44  | |     /// Constructs a new, empty `Holder<T>`.
[INFO] [stderr] 45  | |     ///
[INFO] [stderr] 46  | |     /// # Examples
[INFO] [stderr] ...   |
[INFO] [stderr] 248 | |     }
[INFO] [stderr] 249 | | }
[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 `holder::Holder<T>`
[INFO] [stderr]   --> src/holder.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | /     pub fn new() -> Self {
[INFO] [stderr] 55 | |         Holder {
[INFO] [stderr] 56 | |             items: UnsafeCell::new(HashMap::new()),
[INFO] [stderr] 57 | |         }
[INFO] [stderr] 58 | |     }
[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] 39 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: item `holder::Holder<T>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/holder.rs:43:1
[INFO] [stderr]     |
[INFO] [stderr] 43  | / impl<T> Holder<T> {
[INFO] [stderr] 44  | |     /// Constructs a new, empty `Holder<T>`.
[INFO] [stderr] 45  | |     ///
[INFO] [stderr] 46  | |     /// # Examples
[INFO] [stderr] ...   |
[INFO] [stderr] 248 | |     }
[INFO] [stderr] 249 | | }
[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 `holder::Holder<T>`
[INFO] [stderr]   --> src/holder.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | /     pub fn new() -> Self {
[INFO] [stderr] 55 | |         Holder {
[INFO] [stderr] 56 | |             items: UnsafeCell::new(HashMap::new()),
[INFO] [stderr] 57 | |         }
[INFO] [stderr] 58 | |     }
[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] 39 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "00e4a4e08897c2d1f73140fdeaac3e7bec602ce5168c266edb8c89ef16e6f1ed"`
[INFO] running `"docker" "rm" "-f" "00e4a4e08897c2d1f73140fdeaac3e7bec602ce5168c266edb8c89ef16e6f1ed"`
[INFO] [stdout] 00e4a4e08897c2d1f73140fdeaac3e7bec602ce5168c266edb8c89ef16e6f1ed