[INFO] updating cached repository simmons/mpsc-stress
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/simmons/mpsc-stress
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/simmons/mpsc-stress" "work/ex/clippy-test-run/sources/stable/gh/simmons/mpsc-stress"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/simmons/mpsc-stress'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/simmons/mpsc-stress" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simmons/mpsc-stress"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simmons/mpsc-stress'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 673090edfbfd53fee1ba54a111bf550a71dd04e0
[INFO] sha for GitHub repo simmons/mpsc-stress: 673090edfbfd53fee1ba54a111bf550a71dd04e0
[INFO] validating manifest of simmons/mpsc-stress 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/mpsc-stress 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/mpsc-stress
[INFO] finished frobbing simmons/mpsc-stress
[INFO] frobbed toml for simmons/mpsc-stress written to work/ex/clippy-test-run/sources/stable/gh/simmons/mpsc-stress/Cargo.toml
[INFO] started frobbing simmons/mpsc-stress
[INFO] finished frobbing simmons/mpsc-stress
[INFO] frobbed toml for simmons/mpsc-stress written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/simmons/mpsc-stress/Cargo.toml
[INFO] crate simmons/mpsc-stress 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/mpsc-stress 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-3/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/simmons/mpsc-stress:/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] 4741d26b70f14043e6dd404dc860cdede2260bb6d23a3598459f9f5b3bfe8f85
[INFO] running `"docker" "start" "-a" "4741d26b70f14043e6dd404dc860cdede2260bb6d23a3598459f9f5b3bfe8f85"`
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking tokio-timer v0.2.4
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking mpsc-stress v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 | const ITERATION_COUNT: usize = 1000000;
[INFO] [stderr]    |                                ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/main.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     cmd_tx
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/main.rs:112:18
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let cmd_tx = rx.wait().unwrap();
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 | const ITERATION_COUNT: usize = 1000000;
[INFO] [stderr]    |                                ^^^^^^^ help: consider: `1_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/main.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     cmd_tx
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/main.rs:112:18
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let cmd_tx = rx.wait().unwrap();
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.29s
[INFO] running `"docker" "inspect" "4741d26b70f14043e6dd404dc860cdede2260bb6d23a3598459f9f5b3bfe8f85"`
[INFO] running `"docker" "rm" "-f" "4741d26b70f14043e6dd404dc860cdede2260bb6d23a3598459f9f5b3bfe8f85"`
[INFO] [stdout] 4741d26b70f14043e6dd404dc860cdede2260bb6d23a3598459f9f5b3bfe8f85