[INFO] crate background_worker 0.1.1 is already in cache
[INFO] extracting crate background_worker 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/background_worker/0.1.1
[INFO] extracting crate background_worker 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/background_worker/0.1.1
[INFO] validating manifest of background_worker-0.1.1 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 background_worker-0.1.1 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 background_worker-0.1.1
[INFO] finished frobbing background_worker-0.1.1
[INFO] frobbed toml for background_worker-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/background_worker/0.1.1/Cargo.toml
[INFO] started frobbing background_worker-0.1.1
[INFO] finished frobbing background_worker-0.1.1
[INFO] frobbed toml for background_worker-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/background_worker/0.1.1/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 background_worker-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/background_worker/0.1.1:/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] 9c7b9f4ef706dd9e84db8255885985b6079e8b59936fa5be288fd98d222c5281
[INFO] running `"docker" "start" "-a" "9c7b9f4ef706dd9e84db8255885985b6079e8b59936fa5be288fd98d222c5281"`
[INFO] [stderr]     Checking background_worker v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `BackgroundWorker`
[INFO] [stderr]  --> src/test.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use BackgroundWorker;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `buffer`.
[INFO] [stderr]    --> src/lib.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 |         for i in 0..buffer.len(){
[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] 100 |         for <item> in &mut buffer{
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:116:26
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let func_clone = self.function.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.function`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/test.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             thread::sleep_ms(500)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/test.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         assert_eq!(worker.pop().unwrap(), 1.0 as f32);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/test.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         assert_eq!(worker.pop().unwrap(), 1.0 as f32);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `buffer`.
[INFO] [stderr]    --> src/lib.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 |         for i in 0..buffer.len(){
[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] 100 |         for <item> in &mut buffer{
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:116:26
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let func_clone = self.function.clone();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.function`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[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 previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `background_worker`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9c7b9f4ef706dd9e84db8255885985b6079e8b59936fa5be288fd98d222c5281"`
[INFO] running `"docker" "rm" "-f" "9c7b9f4ef706dd9e84db8255885985b6079e8b59936fa5be288fd98d222c5281"`
[INFO] [stdout] 9c7b9f4ef706dd9e84db8255885985b6079e8b59936fa5be288fd98d222c5281