[INFO] updating cached repository pcpthm/sudoku
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pcpthm/sudoku
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pcpthm/sudoku" "work/ex/clippy-test-run/sources/stable/gh/pcpthm/sudoku"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/pcpthm/sudoku'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pcpthm/sudoku" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pcpthm/sudoku"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pcpthm/sudoku'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd892fa77b3db957cc81176fd7c1c48ec69e45c1
[INFO] sha for GitHub repo pcpthm/sudoku: bd892fa77b3db957cc81176fd7c1c48ec69e45c1
[INFO] validating manifest of pcpthm/sudoku 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 pcpthm/sudoku 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 pcpthm/sudoku
[INFO] finished frobbing pcpthm/sudoku
[INFO] frobbed toml for pcpthm/sudoku written to work/ex/clippy-test-run/sources/stable/gh/pcpthm/sudoku/Cargo.toml
[INFO] started frobbing pcpthm/sudoku
[INFO] finished frobbing pcpthm/sudoku
[INFO] frobbed toml for pcpthm/sudoku written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pcpthm/sudoku/Cargo.toml
[INFO] crate pcpthm/sudoku 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 pcpthm/sudoku 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/gh/pcpthm/sudoku:/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] 9da9d3156b4486f5ac48797d976a5dc39eb29dea3e8e336bf93904d9f14df603
[INFO] running `"docker" "start" "-a" "9da9d3156b4486f5ac48797d976a5dc39eb29dea3e8e336bf93904d9f14df603"`
[INFO] [stderr]     Checking packed_simd v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking csv v1.0.2
[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/packed_simd-0.3.1/src/lib.rs:202:1
[INFO] [stderr]     |
[INFO] [stderr] 202 | / #![feature(
[INFO] [stderr] 203 | |     repr_simd,
[INFO] [stderr] 204 | |     const_fn,
[INFO] [stderr] 205 | |     platform_intrinsics,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |     custom_inner_attributes
[INFO] [stderr] 216 | | )]
[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 `packed_simd`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9da9d3156b4486f5ac48797d976a5dc39eb29dea3e8e336bf93904d9f14df603"`
[INFO] running `"docker" "rm" "-f" "9da9d3156b4486f5ac48797d976a5dc39eb29dea3e8e336bf93904d9f14df603"`
[INFO] [stdout] 9da9d3156b4486f5ac48797d976a5dc39eb29dea3e8e336bf93904d9f14df603