[INFO] updating cached repository brson/cargo-index-tool
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/brson/cargo-index-tool
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/brson/cargo-index-tool" "work/ex/clippy-test-run/sources/stable/gh/brson/cargo-index-tool"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/brson/cargo-index-tool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brson/cargo-index-tool" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brson/cargo-index-tool"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brson/cargo-index-tool'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f695126762a50f37bc42c1f3c6882ca983329c1f
[INFO] sha for GitHub repo brson/cargo-index-tool: f695126762a50f37bc42c1f3c6882ca983329c1f
[INFO] validating manifest of brson/cargo-index-tool 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 brson/cargo-index-tool 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 brson/cargo-index-tool
[INFO] finished frobbing brson/cargo-index-tool
[INFO] frobbed toml for brson/cargo-index-tool written to work/ex/clippy-test-run/sources/stable/gh/brson/cargo-index-tool/Cargo.toml
[INFO] started frobbing brson/cargo-index-tool
[INFO] finished frobbing brson/cargo-index-tool
[INFO] frobbed toml for brson/cargo-index-tool written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/brson/cargo-index-tool/Cargo.toml
[INFO] crate brson/cargo-index-tool 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 brson/cargo-index-tool against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/brson/cargo-index-tool:/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] 728b6c4f91c41457ee6c757725fcfe0c9f8ae102a54d73d3ad19d3d2b5aebbe7
[INFO] running `"docker" "start" "-a" "728b6c4f91c41457ee6c757725fcfe0c9f8ae102a54d73d3ad19d3d2b5aebbe7"`
[INFO] [stderr]     Checking semver v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.0.5
[INFO] [stderr]     Checking structopt v0.0.5
[INFO] [stderr]     Checking cargo-index-tool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.54s
[INFO] running `"docker" "inspect" "728b6c4f91c41457ee6c757725fcfe0c9f8ae102a54d73d3ad19d3d2b5aebbe7"`
[INFO] running `"docker" "rm" "-f" "728b6c4f91c41457ee6c757725fcfe0c9f8ae102a54d73d3ad19d3d2b5aebbe7"`
[INFO] [stdout] 728b6c4f91c41457ee6c757725fcfe0c9f8ae102a54d73d3ad19d3d2b5aebbe7