[INFO] crate columnar 0.0.19 is already in cache
[INFO] extracting crate columnar 0.0.19 into work/ex/clippy-test-run/sources/stable/reg/columnar/0.0.19
[INFO] extracting crate columnar 0.0.19 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/columnar/0.0.19
[INFO] validating manifest of columnar-0.0.19 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 columnar-0.0.19 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 columnar-0.0.19
[INFO] finished frobbing columnar-0.0.19
[INFO] frobbed toml for columnar-0.0.19 written to work/ex/clippy-test-run/sources/stable/reg/columnar/0.0.19/Cargo.toml
[INFO] started frobbing columnar-0.0.19
[INFO] finished frobbing columnar-0.0.19
[INFO] frobbed toml for columnar-0.0.19 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/columnar/0.0.19/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 columnar-0.0.19 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-4/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/columnar/0.0.19:/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] 612bdf115b9bed16d5044577f908cc6f096ea8d215844a8074ea44b01a108ba2
[INFO] running `"docker" "start" "-a" "612bdf115b9bed16d5044577f908cc6f096ea8d215844a8074ea44b01a108ba2"`
[INFO] [stderr]     Checking columnar v0.0.19 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::mem::size_of`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem::size_of;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem::size_of`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem::size_of;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/lib.rs:107:30
[INFO] [stderr]     |
[INFO] [stderr] 107 |             let mut vector = self.2.pop().unwrap_or(Vec::new());
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.2.pop().unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/lib.rs:255:30
[INFO] [stderr]     |
[INFO] [stderr] 255 |             let mut vector = self.2.pop().unwrap_or(Vec::new());
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.2.pop().unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/lib.rs:107:30
[INFO] [stderr]     |
[INFO] [stderr] 107 |             let mut vector = self.2.pop().unwrap_or(Vec::new());
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.2.pop().unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a call to `new`
[INFO] [stderr]    --> src/lib.rs:255:30
[INFO] [stderr]     |
[INFO] [stderr] 255 |             let mut vector = self.2.pop().unwrap_or(Vec::new());
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.2.pop().unwrap_or_default()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/bench.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `columnar`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "612bdf115b9bed16d5044577f908cc6f096ea8d215844a8074ea44b01a108ba2"`
[INFO] running `"docker" "rm" "-f" "612bdf115b9bed16d5044577f908cc6f096ea8d215844a8074ea44b01a108ba2"`
[INFO] [stdout] 612bdf115b9bed16d5044577f908cc6f096ea8d215844a8074ea44b01a108ba2