[INFO] crate cluuname 0.1.9 is already in cache
[INFO] extracting crate cluuname 0.1.9 into work/ex/clippy-test-run/sources/stable/reg/cluuname/0.1.9
[INFO] extracting crate cluuname 0.1.9 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cluuname/0.1.9
[INFO] validating manifest of cluuname-0.1.9 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 cluuname-0.1.9 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 cluuname-0.1.9
[INFO] finished frobbing cluuname-0.1.9
[INFO] frobbed toml for cluuname-0.1.9 written to work/ex/clippy-test-run/sources/stable/reg/cluuname/0.1.9/Cargo.toml
[INFO] started frobbing cluuname-0.1.9
[INFO] finished frobbing cluuname-0.1.9
[INFO] frobbed toml for cluuname-0.1.9 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cluuname/0.1.9/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 cluuname-0.1.9 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/cluuname/0.1.9:/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] 821ae12b93d79541fed34d66bf34ffe11a0a7bf447f0fcc4870b8b5210e755ae
[INFO] running `"docker" "start" "-a" "821ae12b93d79541fed34d66bf34ffe11a0a7bf447f0fcc4870b8b5210e755ae"`
[INFO] [stderr]    Compiling clucstr v0.1.6
[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/clucstr-0.1.6/src/lib.rs:155:1
[INFO] [stderr]     |
[INFO] [stderr] 155 | #![feature(plugin_registrar)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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/clucstr-0.1.6/src/lib.rs:156:1
[INFO] [stderr]     |
[INFO] [stderr] 156 | #![feature(rustc_private)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `clucstr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "821ae12b93d79541fed34d66bf34ffe11a0a7bf447f0fcc4870b8b5210e755ae"`
[INFO] running `"docker" "rm" "-f" "821ae12b93d79541fed34d66bf34ffe11a0a7bf447f0fcc4870b8b5210e755ae"`
[INFO] [stdout] 821ae12b93d79541fed34d66bf34ffe11a0a7bf447f0fcc4870b8b5210e755ae