[INFO] updating cached repository fschutt/fastblur
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fschutt/fastblur
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fschutt/fastblur" "work/ex/clippy-test-run/sources/stable/gh/fschutt/fastblur"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/fschutt/fastblur'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fschutt/fastblur" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fschutt/fastblur"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fschutt/fastblur'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8266683b5f0394c5d588b3c9acaddf0bbb197ed2
[INFO] sha for GitHub repo fschutt/fastblur: 8266683b5f0394c5d588b3c9acaddf0bbb197ed2
[INFO] validating manifest of fschutt/fastblur 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 fschutt/fastblur 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 fschutt/fastblur
[INFO] finished frobbing fschutt/fastblur
[INFO] frobbed toml for fschutt/fastblur written to work/ex/clippy-test-run/sources/stable/gh/fschutt/fastblur/Cargo.toml
[INFO] started frobbing fschutt/fastblur
[INFO] finished frobbing fschutt/fastblur
[INFO] frobbed toml for fschutt/fastblur written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/fschutt/fastblur/Cargo.toml
[INFO] crate fschutt/fastblur 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 fschutt/fastblur against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/fschutt/fastblur:/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] ca7bfcc5d54a48e4ba1271b9128a52304a6c7ce31ee8e81c6b0521b4d5ed09f6
[INFO] running `"docker" "start" "-a" "ca7bfcc5d54a48e4ba1271b9128a52304a6c7ce31ee8e81c6b0521b4d5ed09f6"`
[INFO] [stderr]     Checking fastblur v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking x11-dl v2.15.0
[INFO] [stderr]     Checking image v0.15.0
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | #![feature(test)]
[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 `fastblur`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ca7bfcc5d54a48e4ba1271b9128a52304a6c7ce31ee8e81c6b0521b4d5ed09f6"`
[INFO] running `"docker" "rm" "-f" "ca7bfcc5d54a48e4ba1271b9128a52304a6c7ce31ee8e81c6b0521b4d5ed09f6"`
[INFO] [stdout] ca7bfcc5d54a48e4ba1271b9128a52304a6c7ce31ee8e81c6b0521b4d5ed09f6