[INFO] updating cached repository kogai/game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kogai/game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kogai/game" "work/ex/clippy-test-run/sources/stable/gh/kogai/game"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/kogai/game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kogai/game" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kogai/game"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kogai/game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 55210bac7acf8db1e19c5e7f7a9101a1c9c522e4
[INFO] sha for GitHub repo kogai/game: 55210bac7acf8db1e19c5e7f7a9101a1c9c522e4
[INFO] validating manifest of kogai/game 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 kogai/game 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 kogai/game
[INFO] finished frobbing kogai/game
[INFO] frobbed toml for kogai/game written to work/ex/clippy-test-run/sources/stable/gh/kogai/game/Cargo.toml
[INFO] started frobbing kogai/game
[INFO] finished frobbing kogai/game
[INFO] frobbed toml for kogai/game written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kogai/game/Cargo.toml
[INFO] crate kogai/game 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 kogai/game against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/kogai/game:/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] 63476f4429bbeed4e23f114d9dd47c5812229442d76a040b47927dbeb5be13ca
[INFO] running `"docker" "start" "-a" "63476f4429bbeed4e23f114d9dd47c5812229442d76a040b47927dbeb5be13ca"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling serde v1.0.70
[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/proc-macro2-0.4.9/src/lib.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 | #![cfg_attr(feature = "nightly", feature(proc_macro_raw_ident, proc_macro_span))]
[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 `proc-macro2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "63476f4429bbeed4e23f114d9dd47c5812229442d76a040b47927dbeb5be13ca"`
[INFO] running `"docker" "rm" "-f" "63476f4429bbeed4e23f114d9dd47c5812229442d76a040b47927dbeb5be13ca"`
[INFO] [stdout] 63476f4429bbeed4e23f114d9dd47c5812229442d76a040b47927dbeb5be13ca