[INFO] updating cached repository Mcat12/heap
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Mcat12/heap
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Mcat12/heap" "work/ex/clippy-test-run/sources/stable/gh/Mcat12/heap"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Mcat12/heap'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mcat12/heap" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Mcat12/heap"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Mcat12/heap'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4572db014e53ea33b65a35a484bb3bc6c6b616e8
[INFO] sha for GitHub repo Mcat12/heap: 4572db014e53ea33b65a35a484bb3bc6c6b616e8
[INFO] validating manifest of Mcat12/heap 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 Mcat12/heap 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 Mcat12/heap
[INFO] finished frobbing Mcat12/heap
[INFO] frobbed toml for Mcat12/heap written to work/ex/clippy-test-run/sources/stable/gh/Mcat12/heap/Cargo.toml
[INFO] started frobbing Mcat12/heap
[INFO] finished frobbing Mcat12/heap
[INFO] frobbed toml for Mcat12/heap written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Mcat12/heap/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 Mcat12/heap against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Mcat12/heap:/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] 7575838e45181ed520c9ba58fac6fcfe7b8ecd669db160352d06b434500b5127
[INFO] running `"docker" "start" "-a" "7575838e45181ed520c9ba58fac6fcfe7b8ecd669db160352d06b434500b5127"`
[INFO] [stderr]     Checking heap v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Heap<T>`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | /     pub fn new() -> Heap<T> {
[INFO] [stderr] 8 | |         Heap { list: Vec::new() }
[INFO] [stderr] 9 | |     }
[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] 2 | #[derive(Default)]
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Heap<T>`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | /     pub fn new() -> Heap<T> {
[INFO] [stderr] 8 | |         Heap { list: Vec::new() }
[INFO] [stderr] 9 | |     }
[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] 2 | #[derive(Default)]
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |         if self.list.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.list.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |         if self.list.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.list.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |         if self.list.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.list.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |         if self.list.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.list.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "7575838e45181ed520c9ba58fac6fcfe7b8ecd669db160352d06b434500b5127"`
[INFO] running `"docker" "rm" "-f" "7575838e45181ed520c9ba58fac6fcfe7b8ecd669db160352d06b434500b5127"`
[INFO] [stdout] 7575838e45181ed520c9ba58fac6fcfe7b8ecd669db160352d06b434500b5127