[INFO] updating cached repository TimNN/cyk
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TimNN/cyk
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TimNN/cyk" "work/ex/clippy-test-run/sources/stable/gh/TimNN/cyk"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/TimNN/cyk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TimNN/cyk" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TimNN/cyk"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TimNN/cyk'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7569c4dc6a341b6acba815d456c7cb4437d8fc40
[INFO] sha for GitHub repo TimNN/cyk: 7569c4dc6a341b6acba815d456c7cb4437d8fc40
[INFO] validating manifest of TimNN/cyk 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 TimNN/cyk 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 TimNN/cyk
[INFO] finished frobbing TimNN/cyk
[INFO] frobbed toml for TimNN/cyk written to work/ex/clippy-test-run/sources/stable/gh/TimNN/cyk/Cargo.toml
[INFO] started frobbing TimNN/cyk
[INFO] finished frobbing TimNN/cyk
[INFO] frobbed toml for TimNN/cyk written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TimNN/cyk/Cargo.toml
[INFO] crate TimNN/cyk 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 TimNN/cyk against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/TimNN/cyk:/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] f4fd3ffc1165c0a966fd90b8cf9164c122f12de3fcf1736016fd668ca5c1152c
[INFO] running `"docker" "start" "-a" "f4fd3ffc1165c0a966fd90b8cf9164c122f12de3fcf1736016fd668ca5c1152c"`
[INFO] [stderr]     Checking cyk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stderr]   --> src/main.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 |           if let None = start {
[INFO] [stderr]    |  _________-      ^^^^
[INFO] [stderr] 40 | |             start = Some(rule)
[INFO] [stderr] 41 | |         }
[INFO] [stderr]    | |_________- help: try this: `if start.is_none()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/main.rs:87:18
[INFO] [stderr]    |
[INFO] [stderr] 87 |         for l in 2 .. n + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: use: `2..=n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/main.rs:88:22
[INFO] [stderr]    |
[INFO] [stderr] 88 |             for k in 0 .. (n - l + 1) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^ help: use: `0..=n - l`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_none()`
[INFO] [stderr]   --> src/main.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 |           if let None = start {
[INFO] [stderr]    |  _________-      ^^^^
[INFO] [stderr] 40 | |             start = Some(rule)
[INFO] [stderr] 41 | |         }
[INFO] [stderr]    | |_________- help: try this: `if start.is_none()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/main.rs:87:18
[INFO] [stderr]    |
[INFO] [stderr] 87 |         for l in 2 .. n + 1 {
[INFO] [stderr]    |                  ^^^^^^^^^^ help: use: `2..=n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/main.rs:88:22
[INFO] [stderr]    |
[INFO] [stderr] 88 |             for k in 0 .. (n - l + 1) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^ help: use: `0..=n - l`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "f4fd3ffc1165c0a966fd90b8cf9164c122f12de3fcf1736016fd668ca5c1152c"`
[INFO] running `"docker" "rm" "-f" "f4fd3ffc1165c0a966fd90b8cf9164c122f12de3fcf1736016fd668ca5c1152c"`
[INFO] [stdout] f4fd3ffc1165c0a966fd90b8cf9164c122f12de3fcf1736016fd668ca5c1152c