[INFO] updating cached repository iterate/miniwoop-backend [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/iterate/miniwoop-backend [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/iterate/miniwoop-backend" "work/ex/clippy-test-run/sources/stable/gh/iterate/miniwoop-backend"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/iterate/miniwoop-backend'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/iterate/miniwoop-backend" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/iterate/miniwoop-backend"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/iterate/miniwoop-backend'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4e6bc456029694b3624ddb52a303126a58c68449 [INFO] sha for GitHub repo iterate/miniwoop-backend: 4e6bc456029694b3624ddb52a303126a58c68449 [INFO] validating manifest of iterate/miniwoop-backend 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 iterate/miniwoop-backend 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 iterate/miniwoop-backend [INFO] finished frobbing iterate/miniwoop-backend [INFO] frobbed toml for iterate/miniwoop-backend written to work/ex/clippy-test-run/sources/stable/gh/iterate/miniwoop-backend/Cargo.toml [INFO] started frobbing iterate/miniwoop-backend [INFO] finished frobbing iterate/miniwoop-backend [INFO] frobbed toml for iterate/miniwoop-backend written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/iterate/miniwoop-backend/Cargo.toml [INFO] crate iterate/miniwoop-backend 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 iterate/miniwoop-backend against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/iterate/miniwoop-backend:/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] c1b60b7aebce77eab28c92286a1c95ba9986a867067e532ee6dc617500092bce [INFO] running `"docker" "start" "-a" "c1b60b7aebce77eab28c92286a1c95ba9986a867067e532ee6dc617500092bce"` [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking thread-id v3.1.0 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking num_cpus v1.5.1 [INFO] [stderr] Checking net2 v0.2.29 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking uuid v0.5.0 [INFO] [stderr] Checking chrono v0.3.1 [INFO] [stderr] Checking thread_local v0.3.3 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking futures-cpupool v0.1.5 [INFO] [stderr] Checking bytes v0.4.4 [INFO] [stderr] Checking mio v0.6.9 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stderr] Checking tokio-io v0.1.2 [INFO] [stderr] Checking tokio-core v0.1.8 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking pretty_env_logger v0.1.1 [INFO] [stderr] Checking hyper v0.11.0 [INFO] [stderr] Checking miniwoop-backend v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns)] [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 `miniwoop-backend`. [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/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns)] [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 `miniwoop-backend`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "c1b60b7aebce77eab28c92286a1c95ba9986a867067e532ee6dc617500092bce"` [INFO] running `"docker" "rm" "-f" "c1b60b7aebce77eab28c92286a1c95ba9986a867067e532ee6dc617500092bce"` [INFO] [stdout] c1b60b7aebce77eab28c92286a1c95ba9986a867067e532ee6dc617500092bce