[INFO] updating cached repository Frozen/hierarchy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Frozen/hierarchy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Frozen/hierarchy" "work/ex/clippy-test-run/sources/stable/gh/Frozen/hierarchy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Frozen/hierarchy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Frozen/hierarchy" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Frozen/hierarchy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Frozen/hierarchy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e43b6ec362026353024196540157938f151785de
[INFO] sha for GitHub repo Frozen/hierarchy: e43b6ec362026353024196540157938f151785de
[INFO] validating manifest of Frozen/hierarchy 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 Frozen/hierarchy 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 Frozen/hierarchy
[INFO] finished frobbing Frozen/hierarchy
[INFO] frobbed toml for Frozen/hierarchy written to work/ex/clippy-test-run/sources/stable/gh/Frozen/hierarchy/Cargo.toml
[INFO] started frobbing Frozen/hierarchy
[INFO] finished frobbing Frozen/hierarchy
[INFO] frobbed toml for Frozen/hierarchy written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Frozen/hierarchy/Cargo.toml
[INFO] crate Frozen/hierarchy 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 Frozen/hierarchy against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Frozen/hierarchy:/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 -Dclippy::into_iter_on_array" "-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] e436f8aef8170d1a0a7f698d25a46161346f954deddeac67d90ccde20f20bdf5
[INFO] running `"docker" "start" "-a" "e436f8aef8170d1a0a7f698d25a46161346f954deddeac67d90ccde20f20bdf5"`
[INFO] [stderr]     Checking hierarchy v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] error: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/lib.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         self.parents.get(&current).map(|&e| e)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.parents.get(&current).cloned()`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:3:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[deny(clippy::map_clone)] implied by #[deny(warnings)]
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `hierarchy`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/lib.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         self.parents.get(&current).map(|&e| e)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.parents.get(&current).cloned()`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:3:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![deny(warnings)]
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    = note: #[deny(clippy::map_clone)] implied by #[deny(warnings)]
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `hierarchy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e436f8aef8170d1a0a7f698d25a46161346f954deddeac67d90ccde20f20bdf5"`
[INFO] running `"docker" "rm" "-f" "e436f8aef8170d1a0a7f698d25a46161346f954deddeac67d90ccde20f20bdf5"`
[INFO] [stdout] e436f8aef8170d1a0a7f698d25a46161346f954deddeac67d90ccde20f20bdf5