[INFO] crate racer-cargo-metadata 0.1.1 is already in cache
[INFO] extracting crate racer-cargo-metadata 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/racer-cargo-metadata/0.1.1
[INFO] extracting crate racer-cargo-metadata 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/racer-cargo-metadata/0.1.1
[INFO] validating manifest of racer-cargo-metadata-0.1.1 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 racer-cargo-metadata-0.1.1 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 racer-cargo-metadata-0.1.1
[INFO] finished frobbing racer-cargo-metadata-0.1.1
[INFO] frobbed toml for racer-cargo-metadata-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/racer-cargo-metadata/0.1.1/Cargo.toml
[INFO] started frobbing racer-cargo-metadata-0.1.1
[INFO] finished frobbing racer-cargo-metadata-0.1.1
[INFO] frobbed toml for racer-cargo-metadata-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/racer-cargo-metadata/0.1.1/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 racer-cargo-metadata-0.1.1 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/racer-cargo-metadata/0.1.1:/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] eb16139cb134a2c253e8b211a4cb0316b53acf59c55c840e4188f70808109501
[INFO] running `"docker" "start" "-a" "eb16139cb134a2c253e8b211a4cb0316b53acf59c55c840e4188f70808109501"`
[INFO] [stderr]     Checking serde_json v1.0.37
[INFO] [stderr]     Checking racer-interner v0.1.0
[INFO] [stderr]     Checking racer-cargo-metadata v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/metadata.rs:53:20
[INFO] [stderr]    |
[INFO] [stderr] 53 | const LIB_KINDS: [&'static str; 4] = ["lib", "rlib", "dylib", "proc-macro"];
[INFO] [stderr]    |                   -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/metadata.rs:53:20
[INFO] [stderr]    |
[INFO] [stderr] 53 | const LIB_KINDS: [&'static str; 4] = ["lib", "rlib", "dylib", "proc-macro"];
[INFO] [stderr]    |                   -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `from_str` on this type; consider implementing the `std::str::FromStr` trait or choosing a less ambiguous name
[INFO] [stderr]   --> src/mapping.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     pub fn from_str(s: &str) -> Self {
[INFO] [stderr] 22 | |         match s {
[INFO] [stderr] 23 | |             "2015" => Edition::Ed2015,
[INFO] [stderr] 24 | |             "2018" => Edition::Ed2018,
[INFO] [stderr] 25 | |             _ => unreachable!("got unexpected edition {}", s),
[INFO] [stderr] 26 | |         }
[INFO] [stderr] 27 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::should_implement_trait)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/mapping.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         self.id_to_idx.get(&id).map(|&x| x)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.id_to_idx.get(&id).cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/mapping.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         self.manifest_to_idx.get(path).map(|&id| id)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.manifest_to_idx.get(path).cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `from_str` on this type; consider implementing the `std::str::FromStr` trait or choosing a less ambiguous name
[INFO] [stderr]   --> src/mapping.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | /     pub fn from_str(s: &str) -> Self {
[INFO] [stderr] 22 | |         match s {
[INFO] [stderr] 23 | |             "2015" => Edition::Ed2015,
[INFO] [stderr] 24 | |             "2018" => Edition::Ed2018,
[INFO] [stderr] 25 | |             _ => unreachable!("got unexpected edition {}", s),
[INFO] [stderr] 26 | |         }
[INFO] [stderr] 27 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::should_implement_trait)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/mapping.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         self.id_to_idx.get(&id).map(|&x| x)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.id_to_idx.get(&id).cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/mapping.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         self.manifest_to_idx.get(path).map(|&id| id)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.manifest_to_idx.get(path).cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `"docker" "inspect" "eb16139cb134a2c253e8b211a4cb0316b53acf59c55c840e4188f70808109501"`
[INFO] running `"docker" "rm" "-f" "eb16139cb134a2c253e8b211a4cb0316b53acf59c55c840e4188f70808109501"`
[INFO] [stdout] eb16139cb134a2c253e8b211a4cb0316b53acf59c55c840e4188f70808109501