[INFO] crate slotmap 0.3.0 is already in cache
[INFO] extracting crate slotmap 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/slotmap/0.3.0
[INFO] extracting crate slotmap 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/slotmap/0.3.0
[INFO] validating manifest of slotmap-0.3.0 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 slotmap-0.3.0 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 slotmap-0.3.0
[INFO] finished frobbing slotmap-0.3.0
[INFO] frobbed toml for slotmap-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/slotmap/0.3.0/Cargo.toml
[INFO] started frobbing slotmap-0.3.0
[INFO] finished frobbing slotmap-0.3.0
[INFO] frobbed toml for slotmap-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/slotmap/0.3.0/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 slotmap-0.3.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/slotmap/0.3.0:/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] 6561b3c0e430f03f63cb363b1d7af20883c210c52672473a5d35f4e12f9667a6
[INFO] running `"docker" "start" "-a" "6561b3c0e430f03f63cb363b1d7af20883c210c52672473a5d35f4e12f9667a6"`
[INFO] [stderr]     Checking slotmap v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr] error: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/normal.rs:86:46
[INFO] [stderr]    |
[INFO] [stderr] 86 |                     value: ManuallyDrop::new(value.clone()),
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[deny(clippy::clone_on_copy)] implied by #[deny(warnings)]
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/hop.rs:103:46
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     value: ManuallyDrop::new(value.clone()),
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^ help: try dereferencing it: `*value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `slotmap`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6561b3c0e430f03f63cb363b1d7af20883c210c52672473a5d35f4e12f9667a6"`
[INFO] running `"docker" "rm" "-f" "6561b3c0e430f03f63cb363b1d7af20883c210c52672473a5d35f4e12f9667a6"`
[INFO] [stdout] 6561b3c0e430f03f63cb363b1d7af20883c210c52672473a5d35f4e12f9667a6