[INFO] updating cached repository felixyao/advent2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/felixyao/advent2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/felixyao/advent2017" "work/ex/clippy-test-run/sources/stable/gh/felixyao/advent2017"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/felixyao/advent2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/felixyao/advent2017" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/felixyao/advent2017"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/felixyao/advent2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0356434dae7994315423de99e59c067baff42c48
[INFO] sha for GitHub repo felixyao/advent2017: 0356434dae7994315423de99e59c067baff42c48
[INFO] validating manifest of felixyao/advent2017 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 felixyao/advent2017 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 felixyao/advent2017
[INFO] finished frobbing felixyao/advent2017
[INFO] frobbed toml for felixyao/advent2017 written to work/ex/clippy-test-run/sources/stable/gh/felixyao/advent2017/Cargo.toml
[INFO] started frobbing felixyao/advent2017
[INFO] finished frobbing felixyao/advent2017
[INFO] frobbed toml for felixyao/advent2017 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/felixyao/advent2017/Cargo.toml
[INFO] crate felixyao/advent2017 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 felixyao/advent2017 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-5/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/felixyao/advent2017:/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] 2ba83e2a9cfec81b9f15f6e08091bc0ce1622a19857c1e61c16986fcce9e5f29
[INFO] running `"docker" "start" "-a" "2ba83e2a9cfec81b9f15f6e08091bc0ce1622a19857c1e61c16986fcce9e5f29"`
[INFO] [stderr]     Checking advent5 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         steps = steps + 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: replace it with: `steps += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |             steps = steps + 1;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^ help: replace it with: `steps += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         steps = steps + 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: replace it with: `steps += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "2ba83e2a9cfec81b9f15f6e08091bc0ce1622a19857c1e61c16986fcce9e5f29"`
[INFO] running `"docker" "rm" "-f" "2ba83e2a9cfec81b9f15f6e08091bc0ce1622a19857c1e61c16986fcce9e5f29"`
[INFO] [stdout] 2ba83e2a9cfec81b9f15f6e08091bc0ce1622a19857c1e61c16986fcce9e5f29