[INFO] crate pretty_assertions 0.5.1 is already in cache
[INFO] extracting crate pretty_assertions 0.5.1 into work/ex/clippy-test-run/sources/stable/reg/pretty_assertions/0.5.1
[INFO] extracting crate pretty_assertions 0.5.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pretty_assertions/0.5.1
[INFO] validating manifest of pretty_assertions-0.5.1 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 pretty_assertions-0.5.1 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 pretty_assertions-0.5.1
[INFO] finished frobbing pretty_assertions-0.5.1
[INFO] frobbed toml for pretty_assertions-0.5.1 written to work/ex/clippy-test-run/sources/stable/reg/pretty_assertions/0.5.1/Cargo.toml
[INFO] started frobbing pretty_assertions-0.5.1
[INFO] finished frobbing pretty_assertions-0.5.1
[INFO] frobbed toml for pretty_assertions-0.5.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pretty_assertions/0.5.1/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 pretty_assertions-0.5.1 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pretty_assertions/0.5.1:/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 -Dclippy::into_iter_on_array" "-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] 68fe41c5f88f8b223d5e115eb1a995177c2991b9f649abfb94ab6b897745a883
[INFO] running `"docker" "start" "-a" "68fe41c5f88f8b223d5e115eb1a995177c2991b9f649abfb94ab6b897745a883"`
[INFO] [stderr]     Checking pretty_assertions v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: using `writeln!(f, "")`
[INFO] [stderr]    --> src/format_changeset.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     writeln!(f, "")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(f)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `writeln!(f, "")`
[INFO] [stderr]    --> src/format_changeset.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     writeln!(f, "")
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(f)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `writeln!(f, "")`
[INFO] [stderr]    --> src/format_changeset.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     writeln!(f, "")?;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(f)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::writeln_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `writeln!(f, "")`
[INFO] [stderr]    --> src/format_changeset.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     writeln!(f, "")
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^ help: replace it with: `writeln!(f)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#writeln_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/format_changeset.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let ref diffs = changeset.diffs;
[INFO] [stderr]    |     ----^^^^^^^^^------------------- help: try: `let diffs = &changeset.diffs;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/format_changeset.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let ref diffs = changeset.diffs;
[INFO] [stderr]    |     ----^^^^^^^^^------------------- help: try: `let diffs = &changeset.diffs;`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "68fe41c5f88f8b223d5e115eb1a995177c2991b9f649abfb94ab6b897745a883"`
[INFO] running `"docker" "rm" "-f" "68fe41c5f88f8b223d5e115eb1a995177c2991b9f649abfb94ab6b897745a883"`
[INFO] [stdout] 68fe41c5f88f8b223d5e115eb1a995177c2991b9f649abfb94ab6b897745a883