[INFO] crate eve 0.1.1 is already in cache
[INFO] extracting crate eve 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/eve/0.1.1
[INFO] extracting crate eve 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/eve/0.1.1
[INFO] validating manifest of eve-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 eve-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 eve-0.1.1
[INFO] finished frobbing eve-0.1.1
[INFO] frobbed toml for eve-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/eve/0.1.1/Cargo.toml
[INFO] started frobbing eve-0.1.1
[INFO] finished frobbing eve-0.1.1
[INFO] frobbed toml for eve-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/eve/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 eve-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-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/eve/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] 5d2384ad50a49d26214237665898480f2789951357286554ea68e916877264de
[INFO] running `"docker" "start" "-a" "5d2384ad50a49d26214237665898480f2789951357286554ea68e916877264de"`
[INFO] [stderr]     Checking dir-diff v0.3.1
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking eve v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:101:28
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn replace<'e, 's>(&'e self, text: &'s str)
[INFO] [stderr]     |                            ^^^^^^^^ help: consider passing by value instead: `self`
[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] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:101:28
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn replace<'e, 's>(&'e self, text: &'s str)
[INFO] [stderr]     |                            ^^^^^^^^ help: consider passing by value instead: `self`
[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] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut eve = if let Some(env) = file_option {
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 |     if paths.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `paths.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut eve = if let Some(env) = file_option {
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 |     if paths.len() == 0 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `paths.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.18s
[INFO] running `"docker" "inspect" "5d2384ad50a49d26214237665898480f2789951357286554ea68e916877264de"`
[INFO] running `"docker" "rm" "-f" "5d2384ad50a49d26214237665898480f2789951357286554ea68e916877264de"`
[INFO] [stdout] 5d2384ad50a49d26214237665898480f2789951357286554ea68e916877264de