[INFO] updating cached repository gobanos/chat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gobanos/chat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gobanos/chat" "work/ex/clippy-test-run/sources/stable/gh/gobanos/chat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/gobanos/chat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gobanos/chat" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gobanos/chat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gobanos/chat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0785e58d96b5c21de07dbcbce3e6556ce4bc1ae1
[INFO] sha for GitHub repo gobanos/chat: 0785e58d96b5c21de07dbcbce3e6556ce4bc1ae1
[INFO] validating manifest of gobanos/chat 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 gobanos/chat 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 gobanos/chat
[INFO] finished frobbing gobanos/chat
[INFO] frobbed toml for gobanos/chat written to work/ex/clippy-test-run/sources/stable/gh/gobanos/chat/Cargo.toml
[INFO] started frobbing gobanos/chat
[INFO] finished frobbing gobanos/chat
[INFO] frobbed toml for gobanos/chat written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gobanos/chat/Cargo.toml
[INFO] crate gobanos/chat has a lockfile. skipping
[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 gobanos/chat 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-1/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/gh/gobanos/chat:/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] 9c3826d02635dff30f104420fd942b725e53b0dc6380187bf13745c58e197912
[INFO] running `"docker" "start" "-a" "9c3826d02635dff30f104420fd942b725e53b0dc6380187bf13745c58e197912"`
[INFO] [stderr]     Checking chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/bin/client.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |         if message.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `message.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: length comparison to zero
[INFO] [stderr]   --> src/bin/client.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |         if message.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!message.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/bin/client.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |         if message.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `message.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: length comparison to zero
[INFO] [stderr]   --> src/bin/client.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |         if message.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!message.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/bin/server.rs:75:19
[INFO] [stderr]    |
[INFO] [stderr] 75 |         } else if message.len() == 0 {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `message.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: length comparison to zero
[INFO] [stderr]   --> src/bin/server.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |         if message.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!message.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/bin/server.rs:75:19
[INFO] [stderr]    |
[INFO] [stderr] 75 |         } else if message.len() == 0 {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `message.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: length comparison to zero
[INFO] [stderr]   --> src/bin/server.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |         if message.len() > 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!message.is_empty()`
[INFO] [stderr]    |
[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 0.73s
[INFO] running `"docker" "inspect" "9c3826d02635dff30f104420fd942b725e53b0dc6380187bf13745c58e197912"`
[INFO] running `"docker" "rm" "-f" "9c3826d02635dff30f104420fd942b725e53b0dc6380187bf13745c58e197912"`
[INFO] [stdout] 9c3826d02635dff30f104420fd942b725e53b0dc6380187bf13745c58e197912