[INFO] updating cached repository hummingly/ics
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hummingly/ics
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hummingly/ics" "work/ex/clippy-test-run/sources/stable/gh/hummingly/ics"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/hummingly/ics'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hummingly/ics" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hummingly/ics"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hummingly/ics'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 642c6dd53b51e8e666db7d27cb223dc76e0d0d43
[INFO] sha for GitHub repo hummingly/ics: 642c6dd53b51e8e666db7d27cb223dc76e0d0d43
[INFO] validating manifest of hummingly/ics 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 hummingly/ics 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 hummingly/ics
[INFO] finished frobbing hummingly/ics
[INFO] frobbed toml for hummingly/ics written to work/ex/clippy-test-run/sources/stable/gh/hummingly/ics/Cargo.toml
[INFO] started frobbing hummingly/ics
[INFO] finished frobbing hummingly/ics
[INFO] frobbed toml for hummingly/ics written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/hummingly/ics/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 hummingly/ics 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/hummingly/ics:/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] 696b222e563f0256eb806f028eb490088bd55e7ba4e16cd10cb5a278a49be1c2
[INFO] running `"docker" "start" "-a" "696b222e563f0256eb806f028eb490088bd55e7ba4e16cd10cb5a278a49be1c2"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking memchr v2.1.3
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking ics v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/util.rs:108:24
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let expected = s.clone();
[INFO] [stderr]     |                        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let expected = &(*s).clone();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let expected = &str::clone(s);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ics`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "696b222e563f0256eb806f028eb490088bd55e7ba4e16cd10cb5a278a49be1c2"`
[INFO] running `"docker" "rm" "-f" "696b222e563f0256eb806f028eb490088bd55e7ba4e16cd10cb5a278a49be1c2"`
[INFO] [stdout] 696b222e563f0256eb806f028eb490088bd55e7ba4e16cd10cb5a278a49be1c2