[INFO] crate kv_cab 0.6.0 is already in cache
[INFO] extracting crate kv_cab 0.6.0 into work/ex/clippy-test-run/sources/stable/reg/kv_cab/0.6.0
[INFO] extracting crate kv_cab 0.6.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/kv_cab/0.6.0
[INFO] validating manifest of kv_cab-0.6.0 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 kv_cab-0.6.0 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 kv_cab-0.6.0
[INFO] finished frobbing kv_cab-0.6.0
[INFO] frobbed toml for kv_cab-0.6.0 written to work/ex/clippy-test-run/sources/stable/reg/kv_cab/0.6.0/Cargo.toml
[INFO] started frobbing kv_cab-0.6.0
[INFO] finished frobbing kv_cab-0.6.0
[INFO] frobbed toml for kv_cab-0.6.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/kv_cab/0.6.0/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 kv_cab-0.6.0 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/kv_cab/0.6.0:/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] 49257b7956fd3626b2c4ba8e9420db74b8967eb2e85afc40a17f95bb4906d6cb
[INFO] running `"docker" "start" "-a" "49257b7956fd3626b2c4ba8e9420db74b8967eb2e85afc40a17f95bb4906d6cb"`
[INFO] [stderr]     Checking bincode v0.7.0
[INFO] [stderr]     Checking kv_cab v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:244:12
[INFO] [stderr]     |
[INFO] [stderr] 244 |         Ok(self.cab.keys().map(|k| k.clone()).collect())
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.cab.keys().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `serialize` doesn't need a mutable reference
[INFO] [stderr]    --> src/lib.rs:259:53
[INFO] [stderr]     |
[INFO] [stderr] 259 |             let byte_vec: Vec<u8> = match serialize(&mut self.cab, Infinite) {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/lib.rs:244:12
[INFO] [stderr]     |
[INFO] [stderr] 244 |         Ok(self.cab.keys().map(|k| k.clone()).collect())
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.cab.keys().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `serialize` doesn't need a mutable reference
[INFO] [stderr]    --> src/lib.rs:259:53
[INFO] [stderr]     |
[INFO] [stderr] 259 |             let byte_vec: Vec<u8> = match serialize(&mut self.cab, Infinite) {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/benches.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `kv_cab`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> tests/tests.rs:220:27
[INFO] [stderr]     |
[INFO] [stderr] 220 |     const TEST_CAB_PATH: &'static str = "./test_multithread_instance.cab";
[INFO] [stderr]     |                          -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> tests/tests.rs:243:27
[INFO] [stderr]     |
[INFO] [stderr] 243 |     const TEST_CAB_PATH: &'static str = "./test_multithread_instance_insert.cab";
[INFO] [stderr]     |                          -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> tests/tests.rs:270:27
[INFO] [stderr]     |
[INFO] [stderr] 270 |     const TEST_CAB_PATH: &'static str = "./test_multithread_many_instance_insert.cab";
[INFO] [stderr]     |                          -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> tests/tests.rs:320:27
[INFO] [stderr]     |
[INFO] [stderr] 320 |     const TEST_CAB_PATH: &'static str = "./test_multithread_instance_read_between.cab";
[INFO] [stderr]     |                          -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "49257b7956fd3626b2c4ba8e9420db74b8967eb2e85afc40a17f95bb4906d6cb"`
[INFO] running `"docker" "rm" "-f" "49257b7956fd3626b2c4ba8e9420db74b8967eb2e85afc40a17f95bb4906d6cb"`
[INFO] [stdout] 49257b7956fd3626b2c4ba8e9420db74b8967eb2e85afc40a17f95bb4906d6cb