[INFO] crate hyper_serde 0.9.0 is already in cache
[INFO] extracting crate hyper_serde 0.9.0 into work/ex/clippy-test-run/sources/stable/reg/hyper_serde/0.9.0
[INFO] extracting crate hyper_serde 0.9.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hyper_serde/0.9.0
[INFO] validating manifest of hyper_serde-0.9.0 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 hyper_serde-0.9.0 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 hyper_serde-0.9.0
[INFO] finished frobbing hyper_serde-0.9.0
[INFO] frobbed toml for hyper_serde-0.9.0 written to work/ex/clippy-test-run/sources/stable/reg/hyper_serde/0.9.0/Cargo.toml
[INFO] started frobbing hyper_serde-0.9.0
[INFO] finished frobbing hyper_serde-0.9.0
[INFO] frobbed toml for hyper_serde-0.9.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hyper_serde/0.9.0/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 hyper_serde-0.9.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/hyper_serde/0.9.0:/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] 68437dba86b1cc6d6e8fabed369248824f1d72779e61f2beaaa40525aad59a3a
[INFO] running `"docker" "start" "-a" "68437dba86b1cc6d6e8fabed369248824f1d72779e61f2beaaa40525aad59a3a"`
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]    Compiling headers-derive v0.0.1
[INFO] [stderr]     Checking headers-ext v0.0.3
[INFO] [stderr]     Checking hyper_serde v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:138:14
[INFO] [stderr]     |
[INFO] [stderr] 138 |         De { v: v }
[INFO] [stderr]     |              ^^^^ help: replace it with: `v`
[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/lib.rs:138:14
[INFO] [stderr]     |
[INFO] [stderr] 138 |         De { v: v }
[INFO] [stderr]     |              ^^^^ help: replace it with: `v`
[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 closure found
[INFO] [stderr]    --> src/lib.rs:270:39
[INFO] [stderr]     |
[INFO] [stderr] 270 |         deserialize(deserializer).map(|v: mime::Mime| ContentType::from(v)).map(De::new)
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ContentType::from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:270:39
[INFO] [stderr]     |
[INFO] [stderr] 270 |         deserialize(deserializer).map(|v: mime::Mime| ContentType::from(v)).map(De::new)
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `ContentType::from`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
[INFO] [stderr]    --> src/lib.rs:422:85
[INFO] [stderr]     |
[INFO] [stderr] 422 |             serializer.serialize_entry(name.as_str(), &Value(&values.iter().map(|v| v.as_bytes().iter().cloned().collect()).collect::<Vec<Vec<u8>>>(), self.pretty))?;
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::iter_cloned_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect
[INFO] [stderr] 
[INFO] [stderr] warning: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
[INFO] [stderr]    --> src/lib.rs:422:85
[INFO] [stderr]     |
[INFO] [stderr] 422 |             serializer.serialize_entry(name.as_str(), &Value(&values.iter().map(|v| v.as_bytes().iter().cloned().collect()).collect::<Vec<Vec<u8>>>(), self.pretty))?;
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::iter_cloned_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_cloned_collect
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.90s
[INFO] running `"docker" "inspect" "68437dba86b1cc6d6e8fabed369248824f1d72779e61f2beaaa40525aad59a3a"`
[INFO] running `"docker" "rm" "-f" "68437dba86b1cc6d6e8fabed369248824f1d72779e61f2beaaa40525aad59a3a"`
[INFO] [stdout] 68437dba86b1cc6d6e8fabed369248824f1d72779e61f2beaaa40525aad59a3a