[INFO] updating cached repository simmons/tokio-dtls-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/simmons/tokio-dtls-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/simmons/tokio-dtls-example" "work/ex/clippy-test-run/sources/stable/gh/simmons/tokio-dtls-example"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/simmons/tokio-dtls-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/simmons/tokio-dtls-example" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simmons/tokio-dtls-example"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simmons/tokio-dtls-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 93c37e6a923857032523f00bad2a0192baa2e483
[INFO] sha for GitHub repo simmons/tokio-dtls-example: 93c37e6a923857032523f00bad2a0192baa2e483
[INFO] validating manifest of simmons/tokio-dtls-example 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 simmons/tokio-dtls-example 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 simmons/tokio-dtls-example
[INFO] finished frobbing simmons/tokio-dtls-example
[INFO] frobbed toml for simmons/tokio-dtls-example written to work/ex/clippy-test-run/sources/stable/gh/simmons/tokio-dtls-example/Cargo.toml
[INFO] started frobbing simmons/tokio-dtls-example
[INFO] finished frobbing simmons/tokio-dtls-example
[INFO] frobbed toml for simmons/tokio-dtls-example written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simmons/tokio-dtls-example/Cargo.toml
[INFO] crate simmons/tokio-dtls-example 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 simmons/tokio-dtls-example 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/gh/simmons/tokio-dtls-example:/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] 248a17d7e64b322ee0fe8d952a41d4ecffcf75dc392aa8e70974f17e656989bb
[INFO] running `"docker" "start" "-a" "248a17d7e64b322ee0fe8d952a41d4ecffcf75dc392aa8e70974f17e656989bb"`
[INFO] [stderr]    Compiling openssl v0.10.11
[INFO] [stderr]    Compiling regex v1.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]     Checking tokio-io v0.1.8
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.4
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio v0.1.8
[INFO] [stderr]     Checking env_logger v0.5.12
[INFO] [stderr]     Checking tokio-openssl v0.2.1
[INFO] [stderr]     Checking tokio-tls v0.2.0
[INFO] [stderr]     Checking tokio-dtls-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/util.rs:113:8
[INFO] [stderr]     |
[INFO] [stderr] 113 |     if buffer.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `buffer.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/util.rs:113:8
[INFO] [stderr]     |
[INFO] [stderr] 113 |     if buffer.len() == 0 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `buffer.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 25.59s
[INFO] running `"docker" "inspect" "248a17d7e64b322ee0fe8d952a41d4ecffcf75dc392aa8e70974f17e656989bb"`
[INFO] running `"docker" "rm" "-f" "248a17d7e64b322ee0fe8d952a41d4ecffcf75dc392aa8e70974f17e656989bb"`
[INFO] [stdout] 248a17d7e64b322ee0fe8d952a41d4ecffcf75dc392aa8e70974f17e656989bb