[INFO] crate crude-profiler 0.1.7 is already in cache
[INFO] extracting crate crude-profiler 0.1.7 into work/ex/clippy-test-run/sources/stable/reg/crude-profiler/0.1.7
[INFO] extracting crate crude-profiler 0.1.7 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/crude-profiler/0.1.7
[INFO] validating manifest of crude-profiler-0.1.7 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 crude-profiler-0.1.7 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 crude-profiler-0.1.7
[INFO] finished frobbing crude-profiler-0.1.7
[INFO] frobbed toml for crude-profiler-0.1.7 written to work/ex/clippy-test-run/sources/stable/reg/crude-profiler/0.1.7/Cargo.toml
[INFO] started frobbing crude-profiler-0.1.7
[INFO] finished frobbing crude-profiler-0.1.7
[INFO] frobbed toml for crude-profiler-0.1.7 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/crude-profiler/0.1.7/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 crude-profiler-0.1.7 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/crude-profiler/0.1.7:/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] 6828c3a9b86e7ee69885b544b9b8886040e47609cc91cb3b403ffd80ac5891eb
[INFO] running `"docker" "start" "-a" "6828c3a9b86e7ee69885b544b9b8886040e47609cc91cb3b403ffd80ac5891eb"`
[INFO] [stderr]     Checking crude-profiler v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:150:20
[INFO] [stderr]     |
[INFO] [stderr] 150 | fn pretty_stack(v: &Vec<&'static str>) -> String {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^ help: change this to: `&[&'static str]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:160:26
[INFO] [stderr]     |
[INFO] [stderr] 160 |     t.as_secs() as f64 + (t.subsec_nanos() as f64)*1e-9
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(t.subsec_nanos())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:150:20
[INFO] [stderr]     |
[INFO] [stderr] 150 | fn pretty_stack(v: &Vec<&'static str>) -> String {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^ help: change this to: `&[&'static str]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:160:26
[INFO] [stderr]     |
[INFO] [stderr] 160 |     t.as_secs() as f64 + (t.subsec_nanos() as f64)*1e-9
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(t.subsec_nanos())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/bench.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![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 `crude-profiler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6828c3a9b86e7ee69885b544b9b8886040e47609cc91cb3b403ffd80ac5891eb"`
[INFO] running `"docker" "rm" "-f" "6828c3a9b86e7ee69885b544b9b8886040e47609cc91cb3b403ffd80ac5891eb"`
[INFO] [stdout] 6828c3a9b86e7ee69885b544b9b8886040e47609cc91cb3b403ffd80ac5891eb