[INFO] crate chess_perft 2.0.1 is already in cache
[INFO] extracting crate chess_perft 2.0.1 into work/ex/clippy-test-run/sources/stable/reg/chess_perft/2.0.1
[INFO] extracting crate chess_perft 2.0.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/chess_perft/2.0.1
[INFO] validating manifest of chess_perft-2.0.1 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 chess_perft-2.0.1 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 chess_perft-2.0.1
[INFO] finished frobbing chess_perft-2.0.1
[INFO] frobbed toml for chess_perft-2.0.1 written to work/ex/clippy-test-run/sources/stable/reg/chess_perft/2.0.1/Cargo.toml
[INFO] started frobbing chess_perft-2.0.1
[INFO] finished frobbing chess_perft-2.0.1
[INFO] frobbed toml for chess_perft-2.0.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/chess_perft/2.0.1/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 chess_perft-2.0.1 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/chess_perft/2.0.1:/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] 2c47c8e6dd464940550d8d2cc8286f0776d56ceb7853471b77e6de41b174ed2f
[INFO] running `"docker" "start" "-a" "2c47c8e6dd464940550d8d2cc8286f0776d56ceb7853471b77e6de41b174ed2f"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling simd v0.2.4
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking unindent v0.1.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.0
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling shakmaty v0.11.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking btoi v0.4.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling chess v2.0.2
[INFO] [stderr]     Checking chess-move-gen v0.6.4
[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/chess-move-gen-0.6.4/src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #![feature(test)]
[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/chess-move-gen-0.6.4/src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(platform_intrinsics)]
[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/chess-move-gen-0.6.4/src/lib.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![feature(const_fn)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `chess-move-gen`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2c47c8e6dd464940550d8d2cc8286f0776d56ceb7853471b77e6de41b174ed2f"`
[INFO] running `"docker" "rm" "-f" "2c47c8e6dd464940550d8d2cc8286f0776d56ceb7853471b77e6de41b174ed2f"`
[INFO] [stdout] 2c47c8e6dd464940550d8d2cc8286f0776d56ceb7853471b77e6de41b174ed2f