[INFO] crate enum_derive 0.1.7 is already in cache
[INFO] extracting crate enum_derive 0.1.7 into work/ex/clippy-test-run/sources/stable/reg/enum_derive/0.1.7
[INFO] extracting crate enum_derive 0.1.7 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/enum_derive/0.1.7
[INFO] validating manifest of enum_derive-0.1.7 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 enum_derive-0.1.7 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 enum_derive-0.1.7
[INFO] finished frobbing enum_derive-0.1.7
[INFO] frobbed toml for enum_derive-0.1.7 written to work/ex/clippy-test-run/sources/stable/reg/enum_derive/0.1.7/Cargo.toml
[INFO] started frobbing enum_derive-0.1.7
[INFO] finished frobbing enum_derive-0.1.7
[INFO] frobbed toml for enum_derive-0.1.7 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/enum_derive/0.1.7/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 enum_derive-0.1.7 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-5/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/enum_derive/0.1.7:/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] 7081ac2c8ef88c88a8a8289ced0aa53fdcbfe1d380338d03f289ce4843627dbb
[INFO] running `"docker" "start" "-a" "7081ac2c8ef88c88a8a8289ced0aa53fdcbfe1d380338d03f289ce4843627dbb"`
[INFO] [stderr]     Checking enum_derive v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> tests/enum_inner_as_trait.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |         *self = v as u64;
[INFO] [stderr]    |                 ^^^^^^^^ help: try: `u64::from(v)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: empty `loop {}` detected. You may want to either use `panic!()` or add `std::thread::sleep(..);` to the loop body.
[INFO] [stderr]   --> tests/display.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / custom_derive! {
[INFO] [stderr] 25 | |     #[derive(EnumDisplay)]
[INFO] [stderr] 26 | |     pub enum Degenerate {}
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::empty_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_loop
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: empty `loop {}` detected. You may want to either use `panic!()` or add `std::thread::sleep(..);` to the loop body.
[INFO] [stderr]   --> tests/next-prev.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / custom_derive! {
[INFO] [stderr] 26 | |     #[derive(NextVariant, PrevVariant)]
[INFO] [stderr] 27 | |     enum Nada {}
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::empty_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_loop
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: empty `loop {}` detected. You may want to either use `panic!()` or add `std::thread::sleep(..);` to the loop body.
[INFO] [stderr]   --> tests/next-prev.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | / custom_derive! {
[INFO] [stderr] 26 | |     #[derive(NextVariant, PrevVariant)]
[INFO] [stderr] 27 | |     enum Nada {}
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_loop
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: avoid using `collect()` when not needed
[INFO] [stderr]   --> tests/iter.rs:50:37
[INFO] [stderr]    |
[INFO] [stderr] 50 |     assert_eq!(Nada::iter_variants().collect::<Vec<_>>().len(), 0);
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `.count()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_collect)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_collect
[INFO] [stderr] 
[INFO] [stderr] warning: avoid using `collect()` when not needed
[INFO] [stderr]   --> tests/iter.rs:51:42
[INFO] [stderr]    |
[INFO] [stderr] 51 |     assert_eq!(Nada::iter_variant_names().collect::<Vec<_>>().len(), 0);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `.count()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_collect
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "7081ac2c8ef88c88a8a8289ced0aa53fdcbfe1d380338d03f289ce4843627dbb"`
[INFO] running `"docker" "rm" "-f" "7081ac2c8ef88c88a8a8289ced0aa53fdcbfe1d380338d03f289ce4843627dbb"`
[INFO] [stdout] 7081ac2c8ef88c88a8a8289ced0aa53fdcbfe1d380338d03f289ce4843627dbb