[INFO] updating cached repository hatoo/Accepted
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hatoo/Accepted
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hatoo/Accepted" "work/ex/clippy-test-run/sources/stable/gh/hatoo/Accepted"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/hatoo/Accepted'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hatoo/Accepted" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hatoo/Accepted"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hatoo/Accepted'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a54834e916ce91930485045a207bbbdaac260f9
[INFO] sha for GitHub repo hatoo/Accepted: 7a54834e916ce91930485045a207bbbdaac260f9
[INFO] validating manifest of hatoo/Accepted 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 hatoo/Accepted 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 hatoo/Accepted
[INFO] finished frobbing hatoo/Accepted
[INFO] frobbed toml for hatoo/Accepted written to work/ex/clippy-test-run/sources/stable/gh/hatoo/Accepted/Cargo.toml
[INFO] started frobbing hatoo/Accepted
[INFO] finished frobbing hatoo/Accepted
[INFO] frobbed toml for hatoo/Accepted written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hatoo/Accepted/Cargo.toml
[INFO] crate hatoo/Accepted 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 hatoo/Accepted against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/hatoo/Accepted:/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] 434ed7a0311d2e5c5494085e981ac8eb77a176a3a98ba27f5994600627da8823
[INFO] running `"docker" "start" "-a" "434ed7a0311d2e5c5494085e981ac8eb77a176a3a98ba27f5994600627da8823"`
[INFO] [stderr]    Compiling rustc-rayon-core v0.1.1
[INFO] [stderr]     Checking rustc-ap-graphviz v306.0.0
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling rustc-ap-rustc_target v306.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v306.0.0
[INFO] [stderr]    Compiling plist v0.3.0
[INFO] [stderr]     Checking rls-span v0.4.0
[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/rls-span-0.4.0/src/lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | #![feature(proc_macro)]
[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 `rls-span`.
[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]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.2/src/lib.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 | #![cfg_attr(feature = "nightly", feature(macro_vis_matcher))]
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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/scoped-tls-0.1.2/src/lib.rs:48:34
[INFO] [stderr]    |
[INFO] [stderr] 48 | #![cfg_attr(feature = "nightly", feature(allow_internal_unstable))]
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `scoped-tls`.
[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]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-graphviz-306.0.0/lib.rs:289:1
[INFO] [stderr]     |
[INFO] [stderr] 289 | #![feature(rustc_private, nll)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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/rustc-ap-graphviz-306.0.0/lib.rs:290:1
[INFO] [stderr]     |
[INFO] [stderr] 290 | #![feature(str_escape)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `rustc-ap-graphviz`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "434ed7a0311d2e5c5494085e981ac8eb77a176a3a98ba27f5994600627da8823"`
[INFO] running `"docker" "rm" "-f" "434ed7a0311d2e5c5494085e981ac8eb77a176a3a98ba27f5994600627da8823"`
[INFO] [stdout] 434ed7a0311d2e5c5494085e981ac8eb77a176a3a98ba27f5994600627da8823