[INFO] crate tarpc-lib 0.2.0 is already in cache
[INFO] extracting crate tarpc-lib 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/tarpc-lib/0.2.0
[INFO] extracting crate tarpc-lib 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tarpc-lib/0.2.0
[INFO] validating manifest of tarpc-lib-0.2.0 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 tarpc-lib-0.2.0 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 tarpc-lib-0.2.0
[INFO] finished frobbing tarpc-lib-0.2.0
[INFO] frobbed toml for tarpc-lib-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/tarpc-lib/0.2.0/Cargo.toml
[INFO] started frobbing tarpc-lib-0.2.0
[INFO] finished frobbing tarpc-lib-0.2.0
[INFO] frobbed toml for tarpc-lib-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/tarpc-lib/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 tarpc-lib-0.2.0 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/reg/tarpc-lib/0.2.0:/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] 8d6239543e4ad982f897f0527195e4f68f3437a5e9989b140d21fb3390eef233
[INFO] running `"docker" "start" "-a" "8d6239543e4ad982f897f0527195e4f68f3437a5e9989b140d21fb3390eef233"`
[INFO] [stderr] warning: the cargo feature `rename-dependency` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling proc-macro-nested v0.1.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.12
[INFO] [stderr]     Checking tarpc-trace v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.4
[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/futures-core-preview-0.3.0-alpha.12/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(futures_api)]
[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 `futures-core-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8d6239543e4ad982f897f0527195e4f68f3437a5e9989b140d21fb3390eef233"`
[INFO] running `"docker" "rm" "-f" "8d6239543e4ad982f897f0527195e4f68f3437a5e9989b140d21fb3390eef233"`
[INFO] [stdout] 8d6239543e4ad982f897f0527195e4f68f3437a5e9989b140d21fb3390eef233