[INFO] crate pairing-heap 0.1.0 is already in cache
[INFO] extracting crate pairing-heap 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/pairing-heap/0.1.0
[INFO] extracting crate pairing-heap 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pairing-heap/0.1.0
[INFO] validating manifest of pairing-heap-0.1.0 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 pairing-heap-0.1.0 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 pairing-heap-0.1.0
[INFO] finished frobbing pairing-heap-0.1.0
[INFO] frobbed toml for pairing-heap-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/pairing-heap/0.1.0/Cargo.toml
[INFO] started frobbing pairing-heap-0.1.0
[INFO] finished frobbing pairing-heap-0.1.0
[INFO] frobbed toml for pairing-heap-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pairing-heap/0.1.0/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 pairing-heap-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/pairing-heap/0.1.0:/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] aa960471e3e3e394e7300218ed143f1c98c8501aa585261680b9c62264cc7bdd
[INFO] running `"docker" "start" "-a" "aa960471e3e3e394e7300218ed143f1c98c8501aa585261680b9c62264cc7bdd"`
[INFO] [stderr]     Checking pairing-heap v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:239:27
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let node = Node { item: item, children: vec![] };
[INFO] [stderr]     |                           ^^^^^^^^^^ help: replace it with: `item`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:239:27
[INFO] [stderr]     |
[INFO] [stderr] 239 |         let node = Node { item: item, children: vec![] };
[INFO] [stderr]     |                           ^^^^^^^^^^ help: replace it with: `item`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]   --> src/lib.rs:42:40
[INFO] [stderr]    |
[INFO] [stderr] 42 |             while let Some(mut node) = nodes.next() {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ help: try: `for mut node in nodes { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `for` loop
[INFO] [stderr]   --> src/lib.rs:42:40
[INFO] [stderr]    |
[INFO] [stderr] 42 |             while let Some(mut node) = nodes.next() {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ help: try: `for mut node in nodes { .. }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::while_let_on_iterator)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "aa960471e3e3e394e7300218ed143f1c98c8501aa585261680b9c62264cc7bdd"`
[INFO] running `"docker" "rm" "-f" "aa960471e3e3e394e7300218ed143f1c98c8501aa585261680b9c62264cc7bdd"`
[INFO] [stdout] aa960471e3e3e394e7300218ed143f1c98c8501aa585261680b9c62264cc7bdd