[INFO] crate scheduled-executor 0.4.0 is already in cache
[INFO] extracting crate scheduled-executor 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/scheduled-executor/0.4.0
[INFO] extracting crate scheduled-executor 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/scheduled-executor/0.4.0
[INFO] validating manifest of scheduled-executor-0.4.0 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 scheduled-executor-0.4.0 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 scheduled-executor-0.4.0
[INFO] finished frobbing scheduled-executor-0.4.0
[INFO] frobbed toml for scheduled-executor-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/scheduled-executor/0.4.0/Cargo.toml
[INFO] started frobbing scheduled-executor-0.4.0
[INFO] finished frobbing scheduled-executor-0.4.0
[INFO] frobbed toml for scheduled-executor-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/scheduled-executor/0.4.0/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 scheduled-executor-0.4.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/scheduled-executor/0.4.0:/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] b028894a5e5b4e3ae4a2420b75dbd2fc58189e1e4f13daabaf067c698ee1535b
[INFO] running `"docker" "start" "-a" "b028894a5e5b4e3ae4a2420b75dbd2fc58189e1e4f13daabaf067c698ee1535b"`
[INFO] [stderr]     Checking scheduled-executor v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the loop variable `task` is only used to index `executions`.
[INFO] [stderr]    --> src/task_group.rs:164:21
[INFO] [stderr]     |
[INFO] [stderr] 164 |         for task in 0..5 {
[INFO] [stderr]     |                     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 164 |         for <item> in executions.iter().take(5) {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> examples/task_group.rs:34:31
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn run_healthcheck(server_id: &ServerId) -> ServerStatus {
[INFO] [stderr]    |                               ^^^^^^^^^ help: consider passing by value instead: `ServerId`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.56s
[INFO] running `"docker" "inspect" "b028894a5e5b4e3ae4a2420b75dbd2fc58189e1e4f13daabaf067c698ee1535b"`
[INFO] running `"docker" "rm" "-f" "b028894a5e5b4e3ae4a2420b75dbd2fc58189e1e4f13daabaf067c698ee1535b"`
[INFO] [stdout] b028894a5e5b4e3ae4a2420b75dbd2fc58189e1e4f13daabaf067c698ee1535b