[INFO] updating cached repository rkusa/tokio-multiple-cores-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rkusa/tokio-multiple-cores-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rkusa/tokio-multiple-cores-example" "work/ex/clippy-test-run/sources/stable/gh/rkusa/tokio-multiple-cores-example"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/rkusa/tokio-multiple-cores-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rkusa/tokio-multiple-cores-example" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rkusa/tokio-multiple-cores-example"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rkusa/tokio-multiple-cores-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 45f5197fd477fee00d5f824fb427cecbbb771677
[INFO] sha for GitHub repo rkusa/tokio-multiple-cores-example: 45f5197fd477fee00d5f824fb427cecbbb771677
[INFO] validating manifest of rkusa/tokio-multiple-cores-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 rkusa/tokio-multiple-cores-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 rkusa/tokio-multiple-cores-example
[INFO] finished frobbing rkusa/tokio-multiple-cores-example
[INFO] frobbed toml for rkusa/tokio-multiple-cores-example written to work/ex/clippy-test-run/sources/stable/gh/rkusa/tokio-multiple-cores-example/Cargo.toml
[INFO] started frobbing rkusa/tokio-multiple-cores-example
[INFO] finished frobbing rkusa/tokio-multiple-cores-example
[INFO] frobbed toml for rkusa/tokio-multiple-cores-example written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rkusa/tokio-multiple-cores-example/Cargo.toml
[INFO] crate rkusa/tokio-multiple-cores-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 rkusa/tokio-multiple-cores-example against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/rkusa/tokio-multiple-cores-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] 227f675c51cf4d6e5002236f48e8ec7514d5d184f329075a3a393337104d0b8d
[INFO] running `"docker" "start" "-a" "227f675c51cf4d6e5002236f48e8ec7514d5d184f329075a3a393337104d0b8d"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking futures v0.1.15
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.2
[INFO] [stderr]     Checking tokio-multiple-cores v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/bin/variant1.rs:49:22
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let remote = remotes.get(next_ix).unwrap();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `remotes[next_ix]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/bin/variant1.rs:49:22
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let remote = remotes.get(next_ix).unwrap();
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `remotes[next_ix]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.18s
[INFO] running `"docker" "inspect" "227f675c51cf4d6e5002236f48e8ec7514d5d184f329075a3a393337104d0b8d"`
[INFO] running `"docker" "rm" "-f" "227f675c51cf4d6e5002236f48e8ec7514d5d184f329075a3a393337104d0b8d"`
[INFO] [stdout] 227f675c51cf4d6e5002236f48e8ec7514d5d184f329075a3a393337104d0b8d