[INFO] updating cached repository shterrett/rust-concurrency-tutorial
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shterrett/rust-concurrency-tutorial
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shterrett/rust-concurrency-tutorial" "work/ex/clippy-test-run/sources/stable/gh/shterrett/rust-concurrency-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/shterrett/rust-concurrency-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shterrett/rust-concurrency-tutorial" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/shterrett/rust-concurrency-tutorial"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/shterrett/rust-concurrency-tutorial'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d01f54064f6d679bbccd8da7a98835b5b216243
[INFO] sha for GitHub repo shterrett/rust-concurrency-tutorial: 6d01f54064f6d679bbccd8da7a98835b5b216243
[INFO] validating manifest of shterrett/rust-concurrency-tutorial 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 shterrett/rust-concurrency-tutorial 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 shterrett/rust-concurrency-tutorial
[INFO] finished frobbing shterrett/rust-concurrency-tutorial
[INFO] frobbed toml for shterrett/rust-concurrency-tutorial written to work/ex/clippy-test-run/sources/stable/gh/shterrett/rust-concurrency-tutorial/Cargo.toml
[INFO] started frobbing shterrett/rust-concurrency-tutorial
[INFO] finished frobbing shterrett/rust-concurrency-tutorial
[INFO] frobbed toml for shterrett/rust-concurrency-tutorial written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/shterrett/rust-concurrency-tutorial/Cargo.toml
[INFO] crate shterrett/rust-concurrency-tutorial has a lockfile. skipping
[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 shterrett/rust-concurrency-tutorial against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/shterrett/rust-concurrency-tutorial:/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 -Dclippy::into_iter_on_array" "-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] a455d9246630c9f8269fc6dff604140e162c9ffee127e4c0617ff7645bd71fc1
[INFO] running `"docker" "start" "-a" "a455d9246630c9f8269fc6dff604140e162c9ffee127e4c0617ff7645bd71fc1"`
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]     Checking rust-concurrency-tutorial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut store = Store::new(format!("R-mart"));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"R-mart".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:36:20
[INFO] [stderr]    |
[INFO] [stderr] 36 |     store.add_item(format!("chocolate"), 5.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"chocolate".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:37:20
[INFO] [stderr]    |
[INFO] [stderr] 37 |     store.add_item(format!("doll"), 22.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"doll".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |     store.add_item(format!("bike"), 150.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"bike".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut store = Store::new(format!("Bullseye"));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Bullseye".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:42:20
[INFO] [stderr]    |
[INFO] [stderr] 42 |     store.add_item(format!("chocolate"), 2.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"chocolate".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |     store.add_item(format!("doll"), 23.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"doll".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 44 |     store.add_item(format!("bike"), 145.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"bike".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:47:32
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut store = Store::new(format!("Woolmart"));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Woolmart".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |     store.add_item(format!("chocolate"), 2.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"chocolate".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:49:20
[INFO] [stderr]    |
[INFO] [stderr] 49 |     store.add_item(format!("doll"), 23.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"doll".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:50:20
[INFO] [stderr]    |
[INFO] [stderr] 50 |     store.add_item(format!("bike"), 146.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"bike".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:92:39
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let shopping_list = Arc::new(vec![format!("chocolate"),
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"chocolate".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:93:39
[INFO] [stderr]    |
[INFO] [stderr] 93 |                                       format!("doll"),
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"doll".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:94:39
[INFO] [stderr]    |
[INFO] [stderr] 94 |                                       format!("bike")]);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"bike".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let mut store = Store::new(format!("R-mart"));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"R-mart".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:36:20
[INFO] [stderr]    |
[INFO] [stderr] 36 |     store.add_item(format!("chocolate"), 5.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"chocolate".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:37:20
[INFO] [stderr]    |
[INFO] [stderr] 37 |     store.add_item(format!("doll"), 22.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"doll".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:38:20
[INFO] [stderr]    |
[INFO] [stderr] 38 |     store.add_item(format!("bike"), 150.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"bike".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let mut store = Store::new(format!("Bullseye"));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Bullseye".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:42:20
[INFO] [stderr]    |
[INFO] [stderr] 42 |     store.add_item(format!("chocolate"), 2.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"chocolate".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |     store.add_item(format!("doll"), 23.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"doll".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:44:20
[INFO] [stderr]    |
[INFO] [stderr] 44 |     store.add_item(format!("bike"), 145.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"bike".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:47:32
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut store = Store::new(format!("Woolmart"));
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Woolmart".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |     store.add_item(format!("chocolate"), 2.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"chocolate".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:49:20
[INFO] [stderr]    |
[INFO] [stderr] 49 |     store.add_item(format!("doll"), 23.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"doll".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:50:20
[INFO] [stderr]    |
[INFO] [stderr] 50 |     store.add_item(format!("bike"), 146.0);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"bike".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:92:39
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let shopping_list = Arc::new(vec![format!("chocolate"),
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"chocolate".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:93:39
[INFO] [stderr]    |
[INFO] [stderr] 93 |                                       format!("doll"),
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"doll".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:94:39
[INFO] [stderr]    |
[INFO] [stderr] 94 |                                       format!("bike")]);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"bike".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "a455d9246630c9f8269fc6dff604140e162c9ffee127e4c0617ff7645bd71fc1"`
[INFO] running `"docker" "rm" "-f" "a455d9246630c9f8269fc6dff604140e162c9ffee127e4c0617ff7645bd71fc1"`
[INFO] [stdout] a455d9246630c9f8269fc6dff604140e162c9ffee127e4c0617ff7645bd71fc1