[INFO] crate pixelast 0.1.0 is already in cache
[INFO] extracting crate pixelast 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/pixelast/0.1.0
[INFO] extracting crate pixelast 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pixelast/0.1.0
[INFO] validating manifest of pixelast-0.1.0 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 pixelast-0.1.0 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 pixelast-0.1.0
[INFO] finished frobbing pixelast-0.1.0
[INFO] frobbed toml for pixelast-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/pixelast/0.1.0/Cargo.toml
[INFO] started frobbing pixelast-0.1.0
[INFO] finished frobbing pixelast-0.1.0
[INFO] frobbed toml for pixelast-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pixelast/0.1.0/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 pixelast-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/pixelast/0.1.0:/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] 13ae702ecfae8565f5d45c922505bd70aa9ac16010f87df562cd7b50d89884fd
[INFO] running `"docker" "start" "-a" "13ae702ecfae8565f5d45c922505bd70aa9ac16010f87df562cd7b50d89884fd"`
[INFO] [stderr]     Checking pixelast v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]   --> src/response.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 42 |           if let Ok(_) = res {
[INFO] [stderr]    |  _________-      ^^^^^
[INFO] [stderr] 43 | |             panic!("not failed.");
[INFO] [stderr] 44 | |         };
[INFO] [stderr]    | |_________- help: try this: `if res.is_ok()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_ok()`
[INFO] [stderr]   --> src/response.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |           if let Ok(_) = res {
[INFO] [stderr]    |  _________-      ^^^^^
[INFO] [stderr] 53 | |             panic!("not failed.");
[INFO] [stderr] 54 | |         };
[INFO] [stderr]    | |_________- help: try this: `if res.is_ok()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]  --> src/endpoint.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     String::from(format!("{}users", BASE_URL))
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}users", BASE_URL)`
[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] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]  --> src/endpoint.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     String::from(format!("{}users/{}", BASE_URL, username))
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}users/{}", BASE_URL, username)`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     String::from(format!("{}/graphs", user_url))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/graphs", user_url)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     String::from(format!("{}/{}", graphs_url, graph_id))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/{}", graphs_url, graph_id)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]  --> src/endpoint.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     String::from(format!("{}users", BASE_URL))
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}users", BASE_URL)`
[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] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]  --> src/endpoint.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     String::from(format!("{}users/{}", BASE_URL, username))
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}users/{}", BASE_URL, username)`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |         return String::from(format!("{}/{}?date={}", graphs_url, graph_id, v))    
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/{}?date={}", graphs_url, graph_id, v)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     String::from(format!("{}/{}", graphs_url, graph_id))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/{}", graphs_url, graph_id)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     String::from(format!("{}/{}", graph_url, date))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/{}", graph_url, date)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     String::from(format!("{}/{}", graph_url, "increment"))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/{}", graph_url, "increment")`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     String::from(format!("{}/{}", graph_url, "decrement"))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/{}", graph_url, "decrement")`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     String::from(format!("{}/graphs", user_url))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/graphs", user_url)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     String::from(format!("{}/{}", graphs_url, graph_id))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/{}", graphs_url, graph_id)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:26:16
[INFO] [stderr]    |
[INFO] [stderr] 26 |         return String::from(format!("{}/{}?date={}", graphs_url, graph_id, v))    
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/{}?date={}", graphs_url, graph_id, v)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |             let expect_url = String::from(format!("https://pixe.la/v1/users/{}", username));
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("https://pixe.la/v1/users/{}", username)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:72:30
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let expect_url = String::from(format!("https://pixe.la/v1/users/{}/graphs", username));
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("https://pixe.la/v1/users/{}/graphs", username)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:80:30
[INFO] [stderr]    |
[INFO] [stderr] 80 |             let expect_url = String::from(format!("https://pixe.la/v1/users/{}/graphs/{}", username, graph_id));
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("https://pixe.la/v1/users/{}/graphs/{}", username, graph_id)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     String::from(format!("{}/{}", graphs_url, graph_id))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/{}", graphs_url, graph_id)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     String::from(format!("{}/{}", graph_url, date))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/{}", graph_url, date)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     String::from(format!("{}/{}", graph_url, "increment"))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/{}", graph_url, "increment")`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |                 let expect_url = String::from(format!("https://pixe.la/v1/users/{}/graphs/{}", username, graph_id));
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("https://pixe.la/v1/users/{}/graphs/{}", username, graph_id)`
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     String::from(format!("{}/{}", graph_url, "decrement"))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("{}/{}", graph_url, "decrement")`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[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] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/endpoint.rs:94:34
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 let expect_url = String::from(format!("https://pixe.la/v1/users/{}/graphs/{}?date={}", username, graph_id, "20181018"));
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("https://pixe.la/v1/users/{}/graphs/{}?date={}", username, graph_id, "20181018")`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/endpoint.rs:108:30
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let expect_url = String::from(format!("https://pixe.la/v1/users/{}/graphs/{}/{}", username, graph_id, date));
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("https://pixe.la/v1/users/{}/graphs/{}/{}", username, graph_id, date)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/endpoint.rs:116:30
[INFO] [stderr]     |
[INFO] [stderr] 116 |             let expect_url = String::from(format!("https://pixe.la/v1/users/{}/graphs/{}/increment", username, graph_id));
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("https://pixe.la/v1/users/{}/graphs/{}/increment", username, graph_id)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/endpoint.rs:124:30
[INFO] [stderr]     |
[INFO] [stderr] 124 |             let expect_url = String::from(format!("https://pixe.la/v1/users/{}/graphs/{}/decrement", username, graph_id));
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `String::from()`: `format!("https://pixe.la/v1/users/{}/graphs/{}/decrement", username, graph_id)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.35s
[INFO] running `"docker" "inspect" "13ae702ecfae8565f5d45c922505bd70aa9ac16010f87df562cd7b50d89884fd"`
[INFO] running `"docker" "rm" "-f" "13ae702ecfae8565f5d45c922505bd70aa9ac16010f87df562cd7b50d89884fd"`
[INFO] [stdout] 13ae702ecfae8565f5d45c922505bd70aa9ac16010f87df562cd7b50d89884fd