[INFO] crate re-parse-macros 0.1.0 is already in cache
[INFO] extracting crate re-parse-macros 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/re-parse-macros/0.1.0
[INFO] extracting crate re-parse-macros 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/re-parse-macros/0.1.0
[INFO] validating manifest of re-parse-macros-0.1.0 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 re-parse-macros-0.1.0 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 re-parse-macros-0.1.0
[INFO] finished frobbing re-parse-macros-0.1.0
[INFO] frobbed toml for re-parse-macros-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/re-parse-macros/0.1.0/Cargo.toml
[INFO] started frobbing re-parse-macros-0.1.0
[INFO] finished frobbing re-parse-macros-0.1.0
[INFO] frobbed toml for re-parse-macros-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/re-parse-macros/0.1.0/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 re-parse-macros-0.1.0 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/reg/re-parse-macros/0.1.0:/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] db2a882ed47e15385ea5f150093f69508e5b37dd4df0e88da079b73280654d2c
[INFO] running `"docker" "start" "-a" "db2a882ed47e15385ea5f150093f69508e5b37dd4df0e88da079b73280654d2c"`
[INFO] [stderr]     Checking re-parse-macros v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut item = parse_macro_input!(item as DeriveInput);
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut item = parse_macro_input!(item as DeriveInput);
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "db2a882ed47e15385ea5f150093f69508e5b37dd4df0e88da079b73280654d2c"`
[INFO] running `"docker" "rm" "-f" "db2a882ed47e15385ea5f150093f69508e5b37dd4df0e88da079b73280654d2c"`
[INFO] [stdout] db2a882ed47e15385ea5f150093f69508e5b37dd4df0e88da079b73280654d2c