[INFO] crate iter-merge-sort 0.1.2 is already in cache
[INFO] extracting crate iter-merge-sort 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/iter-merge-sort/0.1.2
[INFO] extracting crate iter-merge-sort 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/iter-merge-sort/0.1.2
[INFO] validating manifest of iter-merge-sort-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 iter-merge-sort-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 iter-merge-sort-0.1.2
[INFO] finished frobbing iter-merge-sort-0.1.2
[INFO] frobbed toml for iter-merge-sort-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/iter-merge-sort/0.1.2/Cargo.toml
[INFO] started frobbing iter-merge-sort-0.1.2
[INFO] finished frobbing iter-merge-sort-0.1.2
[INFO] frobbed toml for iter-merge-sort-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/iter-merge-sort/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 iter-merge-sort-0.1.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/iter-merge-sort/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" "-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] 0dfc25f8b9e92e022d56168c1f9ec972d55a5311fca41034bda08f249c3dba38
[INFO] running `"docker" "start" "-a" "0dfc25f8b9e92e022d56168c1f9ec972d55a5311fca41034bda08f249c3dba38"`
[INFO] [stderr]     Checking iter-merge-sort v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             desc: desc,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `desc`
[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:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             desc: desc,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `desc`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/lib.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 | /             match self.iters[i].1 {
[INFO] [stderr] 43 | |                 Option::None => self.iters[i].1 = self.iters[i].0.next(),
[INFO] [stderr] 44 | |                 _ => {}
[INFO] [stderr] 45 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Option::None = self.iters[i].1 { self.iters[i].1 = self.iters[i].0.next() }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/lib.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 | /             match self.iters[i].1 {
[INFO] [stderr] 43 | |                 Option::None => self.iters[i].1 = self.iters[i].0.next(),
[INFO] [stderr] 44 | |                 _ => {}
[INFO] [stderr] 45 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Option::None = self.iters[i].1 { self.iters[i].1 = self.iters[i].0.next() }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "0dfc25f8b9e92e022d56168c1f9ec972d55a5311fca41034bda08f249c3dba38"`
[INFO] running `"docker" "rm" "-f" "0dfc25f8b9e92e022d56168c1f9ec972d55a5311fca41034bda08f249c3dba38"`
[INFO] [stdout] 0dfc25f8b9e92e022d56168c1f9ec972d55a5311fca41034bda08f249c3dba38