[INFO] crate add3 4.0.0 is already in cache
[INFO] extracting crate add3 4.0.0 into work/ex/clippy-test-run/sources/stable/reg/add3/4.0.0
[INFO] extracting crate add3 4.0.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/add3/4.0.0
[INFO] validating manifest of add3-4.0.0 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 add3-4.0.0 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 add3-4.0.0
[INFO] finished frobbing add3-4.0.0
[INFO] frobbed toml for add3-4.0.0 written to work/ex/clippy-test-run/sources/stable/reg/add3/4.0.0/Cargo.toml
[INFO] started frobbing add3-4.0.0
[INFO] finished frobbing add3-4.0.0
[INFO] frobbed toml for add3-4.0.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/add3/4.0.0/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 add3-4.0.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/add3/4.0.0:/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] a918910d0116553c0174d92e957249b401a819cb6cecf22cde5d1ff3e83df415
[INFO] running `"docker" "start" "-a" "a918910d0116553c0174d92e957249b401a819cb6cecf22cde5d1ff3e83df415"`
[INFO] [stderr]     Checking add3 v4.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Adder`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn new() -> Adder { Adder { amount: 3 } }
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Default)]
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Adder`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     pub fn new() -> Adder { Adder { amount: 3 } }
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Default)]
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |     assert_eq!(add3(::std::u32::MAX as i64), ::std::u32::MAX as i64 + 3);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(::std::u32::MAX)`
[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: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:21:46
[INFO] [stderr]    |
[INFO] [stderr] 21 |     assert_eq!(add3(::std::u32::MAX as i64), ::std::u32::MAX as i64 + 3);
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(::std::u32::MAX)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "a918910d0116553c0174d92e957249b401a819cb6cecf22cde5d1ff3e83df415"`
[INFO] running `"docker" "rm" "-f" "a918910d0116553c0174d92e957249b401a819cb6cecf22cde5d1ff3e83df415"`
[INFO] [stdout] a918910d0116553c0174d92e957249b401a819cb6cecf22cde5d1ff3e83df415