[INFO] updating cached repository Gregory-Meyer/adaptive-mutex-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Gregory-Meyer/adaptive-mutex-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Gregory-Meyer/adaptive-mutex-rs" "work/ex/clippy-test-run/sources/stable/gh/Gregory-Meyer/adaptive-mutex-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Gregory-Meyer/adaptive-mutex-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gregory-Meyer/adaptive-mutex-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Gregory-Meyer/adaptive-mutex-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Gregory-Meyer/adaptive-mutex-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d769ff63aa639ea7447a9c8785e8cca975d406dc
[INFO] sha for GitHub repo Gregory-Meyer/adaptive-mutex-rs: d769ff63aa639ea7447a9c8785e8cca975d406dc
[INFO] validating manifest of Gregory-Meyer/adaptive-mutex-rs 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 Gregory-Meyer/adaptive-mutex-rs 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 Gregory-Meyer/adaptive-mutex-rs
[INFO] finished frobbing Gregory-Meyer/adaptive-mutex-rs
[INFO] frobbed toml for Gregory-Meyer/adaptive-mutex-rs written to work/ex/clippy-test-run/sources/stable/gh/Gregory-Meyer/adaptive-mutex-rs/Cargo.toml
[INFO] started frobbing Gregory-Meyer/adaptive-mutex-rs
[INFO] finished frobbing Gregory-Meyer/adaptive-mutex-rs
[INFO] frobbed toml for Gregory-Meyer/adaptive-mutex-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Gregory-Meyer/adaptive-mutex-rs/Cargo.toml
[INFO] crate Gregory-Meyer/adaptive-mutex-rs 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 Gregory-Meyer/adaptive-mutex-rs against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Gregory-Meyer/adaptive-mutex-rs:/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 -Dclippy::into_iter_on_array" "-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] 3bf2ca36cacd92189a5b0f6e0c2a0cc8c0e059040089cbc224ebb5596dd0b9e2
[INFO] running `"docker" "start" "-a" "3bf2ca36cacd92189a5b0f6e0c2a0cc8c0e059040089cbc224ebb5596dd0b9e2"`
[INFO] [stderr]     Checking adaptive-mutex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[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 `adaptive-mutex`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[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 `adaptive-mutex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3bf2ca36cacd92189a5b0f6e0c2a0cc8c0e059040089cbc224ebb5596dd0b9e2"`
[INFO] running `"docker" "rm" "-f" "3bf2ca36cacd92189a5b0f6e0c2a0cc8c0e059040089cbc224ebb5596dd0b9e2"`
[INFO] [stdout] 3bf2ca36cacd92189a5b0f6e0c2a0cc8c0e059040089cbc224ebb5596dd0b9e2