[INFO] crate hkdf 0.7.0 is already in cache
[INFO] extracting crate hkdf 0.7.0 into work/ex/clippy-test-run/sources/stable/reg/hkdf/0.7.0
[INFO] extracting crate hkdf 0.7.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hkdf/0.7.0
[INFO] validating manifest of hkdf-0.7.0 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 hkdf-0.7.0 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 hkdf-0.7.0
[INFO] finished frobbing hkdf-0.7.0
[INFO] frobbed toml for hkdf-0.7.0 written to work/ex/clippy-test-run/sources/stable/reg/hkdf/0.7.0/Cargo.toml
[INFO] started frobbing hkdf-0.7.0
[INFO] finished frobbing hkdf-0.7.0
[INFO] frobbed toml for hkdf-0.7.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hkdf/0.7.0/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 hkdf-0.7.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/hkdf/0.7.0:/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] 3309b25a9dd7ae037be21f06e6bfee4b5f481e7afa7ed24b4208a9ed896b9efe
[INFO] running `"docker" "start" "-a" "3309b25a9dd7ae037be21f06e6bfee4b5f481e7afa7ed24b4208a9ed896b9efe"`
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-cipher-trait v0.4.2
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking hkdf v0.7.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking crypto-tests v0.5.5
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> tests/tests.rs:83:19
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let lengths = (0..MAX_SHA256_LENGTH + 1).filter(|&len| {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `(0..=MAX_SHA256_LENGTH)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `"docker" "inspect" "3309b25a9dd7ae037be21f06e6bfee4b5f481e7afa7ed24b4208a9ed896b9efe"`
[INFO] running `"docker" "rm" "-f" "3309b25a9dd7ae037be21f06e6bfee4b5f481e7afa7ed24b4208a9ed896b9efe"`
[INFO] [stdout] 3309b25a9dd7ae037be21f06e6bfee4b5f481e7afa7ed24b4208a9ed896b9efe