[INFO] crate lazy_concat 0.1.3 is already in cache
[INFO] extracting crate lazy_concat 0.1.3 into work/ex/clippy-test-run/sources/stable/reg/lazy_concat/0.1.3
[INFO] extracting crate lazy_concat 0.1.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lazy_concat/0.1.3
[INFO] validating manifest of lazy_concat-0.1.3 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 lazy_concat-0.1.3 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 lazy_concat-0.1.3
[INFO] finished frobbing lazy_concat-0.1.3
[INFO] frobbed toml for lazy_concat-0.1.3 written to work/ex/clippy-test-run/sources/stable/reg/lazy_concat/0.1.3/Cargo.toml
[INFO] started frobbing lazy_concat-0.1.3
[INFO] finished frobbing lazy_concat-0.1.3
[INFO] frobbed toml for lazy_concat-0.1.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lazy_concat/0.1.3/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 lazy_concat-0.1.3 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/lazy_concat/0.1.3:/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] 92b1b6e6a95350dfa9c2dff4421e01a4cf79af9e7b2d766aec34739365594df0
[INFO] running `"docker" "start" "-a" "92b1b6e6a95350dfa9c2dff4421e01a4cf79af9e7b2d766aec34739365594df0"`
[INFO] [stderr]     Checking lazy_concat v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:175:33
[INFO] [stderr]     |
[INFO] [stderr] 175 |             Bound::Unbounded => self.fragments.len() == 0,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.fragments.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: methods called `into_*` usually take self by value; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/lib.rs:330:26
[INFO] [stderr]     |
[INFO] [stderr] 330 |     pub fn into_iter<'b>(&'b self) -> impl Iterator<Item = I> + 'b {
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:175:33
[INFO] [stderr]     |
[INFO] [stderr] 175 |             Bound::Unbounded => self.fragments.len() == 0,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.fragments.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: methods called `into_*` usually take self by value; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/lib.rs:330:26
[INFO] [stderr]     |
[INFO] [stderr] 330 |     pub fn into_iter<'b>(&'b self) -> impl Iterator<Item = I> + 'b {
[INFO] [stderr]     |                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "92b1b6e6a95350dfa9c2dff4421e01a4cf79af9e7b2d766aec34739365594df0"`
[INFO] running `"docker" "rm" "-f" "92b1b6e6a95350dfa9c2dff4421e01a4cf79af9e7b2d766aec34739365594df0"`
[INFO] [stdout] 92b1b6e6a95350dfa9c2dff4421e01a4cf79af9e7b2d766aec34739365594df0