[INFO] crate kooka_lib_messenger 0.1.0 is already in cache
[INFO] extracting crate kooka_lib_messenger 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/kooka_lib_messenger/0.1.0
[INFO] extracting crate kooka_lib_messenger 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/kooka_lib_messenger/0.1.0
[INFO] validating manifest of kooka_lib_messenger-0.1.0 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 kooka_lib_messenger-0.1.0 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 kooka_lib_messenger-0.1.0
[INFO] finished frobbing kooka_lib_messenger-0.1.0
[INFO] frobbed toml for kooka_lib_messenger-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/kooka_lib_messenger/0.1.0/Cargo.toml
[INFO] started frobbing kooka_lib_messenger-0.1.0
[INFO] finished frobbing kooka_lib_messenger-0.1.0
[INFO] frobbed toml for kooka_lib_messenger-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/kooka_lib_messenger/0.1.0/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 kooka_lib_messenger-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/kooka_lib_messenger/0.1.0:/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] 7cd131117195e4e9a5b57170ce09f4d910e9b309ab126aca894a6781205dd3dc
[INFO] running `"docker" "start" "-a" "7cd131117195e4e9a5b57170ce09f4d910e9b309ab126aca894a6781205dd3dc"`
[INFO] [stderr]     Checking nats v0.3.1
[INFO] [stderr]     Checking kooka_lib_messenger v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 return Err("Connection to Nats is failed");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err("Connection to Nats is failed")`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |             if ips.len() > 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!ips.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 return Err("Connection to Nats is failed");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err("Connection to Nats is failed")`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |             if ips.len() > 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!ips.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `"docker" "inspect" "7cd131117195e4e9a5b57170ce09f4d910e9b309ab126aca894a6781205dd3dc"`
[INFO] running `"docker" "rm" "-f" "7cd131117195e4e9a5b57170ce09f4d910e9b309ab126aca894a6781205dd3dc"`
[INFO] [stdout] 7cd131117195e4e9a5b57170ce09f4d910e9b309ab126aca894a6781205dd3dc