[INFO] crate cmark2jira 0.4.0 is already in cache
[INFO] extracting crate cmark2jira 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/cmark2jira/0.4.0
[INFO] extracting crate cmark2jira 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cmark2jira/0.4.0
[INFO] validating manifest of cmark2jira-0.4.0 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 cmark2jira-0.4.0 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 cmark2jira-0.4.0
[INFO] finished frobbing cmark2jira-0.4.0
[INFO] frobbed toml for cmark2jira-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/cmark2jira/0.4.0/Cargo.toml
[INFO] started frobbing cmark2jira-0.4.0
[INFO] finished frobbing cmark2jira-0.4.0
[INFO] frobbed toml for cmark2jira-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cmark2jira/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 cmark2jira-0.4.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/cmark2jira/0.4.0:/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] 7f94d58db043b007dfed9b8f82862b90d88f7a137cb860a555ca38217dd32a58
[INFO] running `"docker" "start" "-a" "7f94d58db043b007dfed9b8f82862b90d88f7a137cb860a555ca38217dd32a58"`
[INFO] [stderr]    Compiling pulldown-cmark v0.0.15
[INFO] [stderr]     Checking cmark2jira v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:212:5
[INFO] [stderr]     |
[INFO] [stderr] 212 |     return buf;
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:212:5
[INFO] [stderr]     |
[INFO] [stderr] 212 |     return buf;
[INFO] [stderr]     |     ^^^^^^^^^^^ help: remove `return` as shown: `buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `"docker" "inspect" "7f94d58db043b007dfed9b8f82862b90d88f7a137cb860a555ca38217dd32a58"`
[INFO] running `"docker" "rm" "-f" "7f94d58db043b007dfed9b8f82862b90d88f7a137cb860a555ca38217dd32a58"`
[INFO] [stdout] 7f94d58db043b007dfed9b8f82862b90d88f7a137cb860a555ca38217dd32a58