[INFO] crate diesel_codegen_shared 0.10.0 is already in cache
[INFO] extracting crate diesel_codegen_shared 0.10.0 into work/ex/clippy-test-run/sources/stable/reg/diesel_codegen_shared/0.10.0
[INFO] extracting crate diesel_codegen_shared 0.10.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/diesel_codegen_shared/0.10.0
[INFO] validating manifest of diesel_codegen_shared-0.10.0 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 diesel_codegen_shared-0.10.0 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 diesel_codegen_shared-0.10.0
[INFO] finished frobbing diesel_codegen_shared-0.10.0
[INFO] frobbed toml for diesel_codegen_shared-0.10.0 written to work/ex/clippy-test-run/sources/stable/reg/diesel_codegen_shared/0.10.0/Cargo.toml
[INFO] started frobbing diesel_codegen_shared-0.10.0
[INFO] finished frobbing diesel_codegen_shared-0.10.0
[INFO] frobbed toml for diesel_codegen_shared-0.10.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/diesel_codegen_shared/0.10.0/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 diesel_codegen_shared-0.10.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/diesel_codegen_shared/0.10.0:/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] 55f4de3288aa3de90d58c3dfdcdb7dd690bf063886f6368b05ba836d21b392c7
[INFO] running `"docker" "start" "-a" "55f4de3288aa3de90d58c3dfdcdb7dd690bf063886f6368b05ba836d21b392c7"`
[INFO] [stderr]     Checking diesel v0.10.1
[INFO] [stderr]     Checking dotenv v0.8.0
[INFO] [stderr]     Checking diesel_codegen_shared v0.10.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.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: unneeded return statement
[INFO] [stderr]  --> src/database_url.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         return extract_database_url(&url[3..]);
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `extract_database_url(&url[3..])`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/database_url.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / pub fn extract_database_url<'a>(url: &'a str) -> Result<Cow<'a, str>, String> {
[INFO] [stderr] 6  | |     if url.starts_with("dotenv:") {
[INFO] [stderr] 7  | |         try!(load_dotenv_file());
[INFO] [stderr] 8  | |         return extract_database_url(&url[3..]);
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |     }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.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: unneeded return statement
[INFO] [stderr]  --> src/database_url.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         return extract_database_url(&url[3..]);
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `extract_database_url(&url[3..])`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/database_url.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / pub fn extract_database_url<'a>(url: &'a str) -> Result<Cow<'a, str>, String> {
[INFO] [stderr] 6  | |     if url.starts_with("dotenv:") {
[INFO] [stderr] 7  | |         try!(load_dotenv_file());
[INFO] [stderr] 8  | |         return extract_database_url(&url[3..]);
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |     }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.82s
[INFO] running `"docker" "inspect" "55f4de3288aa3de90d58c3dfdcdb7dd690bf063886f6368b05ba836d21b392c7"`
[INFO] running `"docker" "rm" "-f" "55f4de3288aa3de90d58c3dfdcdb7dd690bf063886f6368b05ba836d21b392c7"`
[INFO] [stdout] 55f4de3288aa3de90d58c3dfdcdb7dd690bf063886f6368b05ba836d21b392c7