[INFO] crate basic_dsp 0.6.0 is already in cache
[INFO] extracting crate basic_dsp 0.6.0 into work/ex/clippy-test-run/sources/stable/reg/basic_dsp/0.6.0
[INFO] extracting crate basic_dsp 0.6.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/basic_dsp/0.6.0
[INFO] validating manifest of basic_dsp-0.6.0 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 basic_dsp-0.6.0 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 basic_dsp-0.6.0
[INFO] finished frobbing basic_dsp-0.6.0
[INFO] frobbed toml for basic_dsp-0.6.0 written to work/ex/clippy-test-run/sources/stable/reg/basic_dsp/0.6.0/Cargo.toml
[INFO] started frobbing basic_dsp-0.6.0
[INFO] finished frobbing basic_dsp-0.6.0
[INFO] frobbed toml for basic_dsp-0.6.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/basic_dsp/0.6.0/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 basic_dsp-0.6.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/basic_dsp/0.6.0:/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] e076ed9496eb2849470d01d7d52e52f02966ddda7edd7093e5b12b4b0460eed6
[INFO] running `"docker" "start" "-a" "e076ed9496eb2849470d01d7d52e52f02966ddda7edd7093e5b12b4b0460eed6"`
[INFO] [stderr]    Compiling simd v0.2.4
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking linreg v0.1.3
[INFO] [stderr]     Checking hamcrest v0.1.5
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking basic_dsp_vector v0.6.0
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/basic_dsp_vector-0.6.0/src/lib.rs:56:39
[INFO] [stderr]    |
[INFO] [stderr] 56 | #![cfg_attr(feature = "cargo-clippy", feature(tool_lints))]
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `basic_dsp_vector`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e076ed9496eb2849470d01d7d52e52f02966ddda7edd7093e5b12b4b0460eed6"`
[INFO] running `"docker" "rm" "-f" "e076ed9496eb2849470d01d7d52e52f02966ddda7edd7093e5b12b4b0460eed6"`
[INFO] [stdout] e076ed9496eb2849470d01d7d52e52f02966ddda7edd7093e5b12b4b0460eed6