[INFO] updating cached repository jxs/follower-maze-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jxs/follower-maze-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jxs/follower-maze-rust" "work/ex/clippy-test-run/sources/stable/gh/jxs/follower-maze-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jxs/follower-maze-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jxs/follower-maze-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jxs/follower-maze-rust"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jxs/follower-maze-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e47165e00c7599868cf7afaf12a7f1a459ed4997
[INFO] sha for GitHub repo jxs/follower-maze-rust: e47165e00c7599868cf7afaf12a7f1a459ed4997
[INFO] validating manifest of jxs/follower-maze-rust 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 jxs/follower-maze-rust 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 jxs/follower-maze-rust
[INFO] finished frobbing jxs/follower-maze-rust
[INFO] frobbed toml for jxs/follower-maze-rust written to work/ex/clippy-test-run/sources/stable/gh/jxs/follower-maze-rust/Cargo.toml
[INFO] started frobbing jxs/follower-maze-rust
[INFO] finished frobbing jxs/follower-maze-rust
[INFO] frobbed toml for jxs/follower-maze-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jxs/follower-maze-rust/Cargo.toml
[INFO] crate jxs/follower-maze-rust 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 jxs/follower-maze-rust against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/jxs/follower-maze-rust:/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] f7c17d4684d7d94011d03d3d7e66df37e6c0cac7a9d68f041f07ac19f674d0bb
[INFO] running `"docker" "start" "-a" "f7c17d4684d7d94011d03d3d7e66df37e6c0cac7a9d68f041f07ac19f674d0bb"`
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking tokio-executor v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking tokio-current-thread v0.1.1
[INFO] [stderr]     Checking tokio-timer v0.2.6
[INFO] [stderr]     Checking tokio-io v0.1.8
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.3
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio v0.1.8
[INFO] [stderr]     Checking followermaze v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> tests/client.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |                 .split("|")
[INFO] [stderr]    |                        ^^^ help: try using a char instead: `'|'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> tests/client.rs:65:63
[INFO] [stderr]    |
[INFO] [stderr] 65 |             tokio::io::write_all(socket.try_clone().unwrap(), "355".as_bytes().to_vec())
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"355"`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.74s
[INFO] running `"docker" "inspect" "f7c17d4684d7d94011d03d3d7e66df37e6c0cac7a9d68f041f07ac19f674d0bb"`
[INFO] running `"docker" "rm" "-f" "f7c17d4684d7d94011d03d3d7e66df37e6c0cac7a9d68f041f07ac19f674d0bb"`
[INFO] [stdout] f7c17d4684d7d94011d03d3d7e66df37e6c0cac7a9d68f041f07ac19f674d0bb