[INFO] updating cached repository Ameobea/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Ameobea/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Ameobea/advent-of-code-2018" "work/ex/clippy-test-run/sources/stable/gh/Ameobea/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Ameobea/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ameobea/advent-of-code-2018" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Ameobea/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Ameobea/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 35223bbe9647fd79f3684b58d538fc03d7a353fe
[INFO] sha for GitHub repo Ameobea/advent-of-code-2018: 35223bbe9647fd79f3684b58d538fc03d7a353fe
[INFO] validating manifest of Ameobea/advent-of-code-2018 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 Ameobea/advent-of-code-2018 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 Ameobea/advent-of-code-2018
[INFO] finished frobbing Ameobea/advent-of-code-2018
[INFO] frobbed toml for Ameobea/advent-of-code-2018 written to work/ex/clippy-test-run/sources/stable/gh/Ameobea/advent-of-code-2018/Cargo.toml
[INFO] started frobbing Ameobea/advent-of-code-2018
[INFO] finished frobbing Ameobea/advent-of-code-2018
[INFO] frobbed toml for Ameobea/advent-of-code-2018 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Ameobea/advent-of-code-2018/Cargo.toml
[INFO] crate Ameobea/advent-of-code-2018 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 Ameobea/advent-of-code-2018 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Ameobea/advent-of-code-2018:/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] e614d80c4e8cb2e5622b9ef40b0ad64271e40c0846ac75150f10b7926c22a17a
[INFO] running `"docker" "start" "-a" "e614d80c4e8cb2e5622b9ef40b0ad64271e40c0846ac75150f10b7926c22a17a"`
[INFO] [stderr]     Checking packed_simd v0.3.1
[INFO] [stderr]     Checking pathfinding v1.1.4
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking chrono v0.4.6
[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/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]    Compiling structopt-derive v0.2.14
[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" "e614d80c4e8cb2e5622b9ef40b0ad64271e40c0846ac75150f10b7926c22a17a"`
[INFO] running `"docker" "rm" "-f" "e614d80c4e8cb2e5622b9ef40b0ad64271e40c0846ac75150f10b7926c22a17a"`
[INFO] [stdout] e614d80c4e8cb2e5622b9ef40b0ad64271e40c0846ac75150f10b7926c22a17a