[INFO] crate lsystems 0.2.1 is already in cache
[INFO] extracting crate lsystems 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/lsystems/0.2.1
[INFO] extracting crate lsystems 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lsystems/0.2.1
[INFO] validating manifest of lsystems-0.2.1 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 lsystems-0.2.1 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 lsystems-0.2.1
[INFO] removed 0 missing examples
[INFO] finished frobbing lsystems-0.2.1
[INFO] frobbed toml for lsystems-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/lsystems/0.2.1/Cargo.toml
[INFO] started frobbing lsystems-0.2.1
[INFO] removed 0 missing examples
[INFO] finished frobbing lsystems-0.2.1
[INFO] frobbed toml for lsystems-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lsystems/0.2.1/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 lsystems-0.2.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/lsystems/0.2.1:/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] aa986208cb8aa3ecbcb281b67197c70446dd96989f4d49e2f17c4f0720bd4649
[INFO] running `"docker" "start" "-a" "aa986208cb8aa3ecbcb281b67197c70446dd96989f4d49e2f17c4f0720bd4649"`
[INFO] [stderr]     Checking lsystems v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]   --> src/lib.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 | use rand::{thread_rng, sample};
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]   --> src/lib.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         sample(&mut rng, vals.into_iter(), 1)[0].clone()
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/lib.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |         self.rules.entry((path, predecessor.1, tree)).or_insert(Vec::new()).push(successor.into());
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[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:91:22
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn default(vals: &Vec<String>) -> String {
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/lib.rs:94:31
[INFO] [stderr]    |
[INFO] [stderr] 94 |         sample(&mut rng, vals.into_iter(), 1)[0].clone()
[INFO] [stderr]    |                               ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/lib.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 |                       let b = before
[INFO] [stderr]     |  _____________________________^
[INFO] [stderr] 145 | |                         .to_string()
[INFO] [stderr] 146 | |                         .chars()
[INFO] [stderr] 147 | |                         .into_iter()
[INFO] [stderr]     | |____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] help: consider removing `.into_iter()`
[INFO] [stderr]     |
[INFO] [stderr] 144 |                     let b = before
[INFO] [stderr] 145 |                         .to_string()
[INFO] [stderr] 146 |                         .chars()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/lib.rs:159:29
[INFO] [stderr]     |
[INFO] [stderr] 159 |                       let a = after
[INFO] [stderr]     |  _____________________________^
[INFO] [stderr] 160 | |                         .to_string()
[INFO] [stderr] 161 | |                         .chars()
[INFO] [stderr] 162 | |                         .into_iter()
[INFO] [stderr]     | |____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] help: consider removing `.into_iter()`
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     let a = after
[INFO] [stderr] 160 |                         .to_string()
[INFO] [stderr] 161 |                         .chars()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]   --> src/lib.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 | use rand::{thread_rng, sample};
[INFO] [stderr]    |                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]   --> src/lib.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         sample(&mut rng, vals.into_iter(), 1)[0].clone()
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/lib.rs:71:55
[INFO] [stderr]    |
[INFO] [stderr] 71 |         self.rules.entry((path, predecessor.1, tree)).or_insert(Vec::new()).push(successor.into());
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[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:91:22
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn default(vals: &Vec<String>) -> String {
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: change this to: `&[String]`
[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: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/lib.rs:94:31
[INFO] [stderr]    |
[INFO] [stderr] 94 |         sample(&mut rng, vals.into_iter(), 1)[0].clone()
[INFO] [stderr]    |                               ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/lib.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 |                       let b = before
[INFO] [stderr]     |  _____________________________^
[INFO] [stderr] 145 | |                         .to_string()
[INFO] [stderr] 146 | |                         .chars()
[INFO] [stderr] 147 | |                         .into_iter()
[INFO] [stderr]     | |____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] help: consider removing `.into_iter()`
[INFO] [stderr]     |
[INFO] [stderr] 144 |                     let b = before
[INFO] [stderr] 145 |                         .to_string()
[INFO] [stderr] 146 |                         .chars()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/lib.rs:159:29
[INFO] [stderr]     |
[INFO] [stderr] 159 |                       let a = after
[INFO] [stderr]     |  _____________________________^
[INFO] [stderr] 160 | |                         .to_string()
[INFO] [stderr] 161 | |                         .chars()
[INFO] [stderr] 162 | |                         .into_iter()
[INFO] [stderr]     | |____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] help: consider removing `.into_iter()`
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     let a = after
[INFO] [stderr] 160 |                         .to_string()
[INFO] [stderr] 161 |                         .chars()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> tests/main.rs:43:27
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn distribution(vals: &Vec<String>) -> String {
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: change this to: `&[String]`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `"docker" "inspect" "aa986208cb8aa3ecbcb281b67197c70446dd96989f4d49e2f17c4f0720bd4649"`
[INFO] running `"docker" "rm" "-f" "aa986208cb8aa3ecbcb281b67197c70446dd96989f4d49e2f17c4f0720bd4649"`
[INFO] [stdout] aa986208cb8aa3ecbcb281b67197c70446dd96989f4d49e2f17c4f0720bd4649