[INFO] crate diesel-derive-enum 0.4.4 is already in cache
[INFO] extracting crate diesel-derive-enum 0.4.4 into work/ex/clippy-test-run/sources/stable/reg/diesel-derive-enum/0.4.4
[INFO] extracting crate diesel-derive-enum 0.4.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/diesel-derive-enum/0.4.4
[INFO] validating manifest of diesel-derive-enum-0.4.4 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-derive-enum-0.4.4 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-derive-enum-0.4.4
[INFO] finished frobbing diesel-derive-enum-0.4.4
[INFO] frobbed toml for diesel-derive-enum-0.4.4 written to work/ex/clippy-test-run/sources/stable/reg/diesel-derive-enum/0.4.4/Cargo.toml
[INFO] started frobbing diesel-derive-enum-0.4.4
[INFO] finished frobbing diesel-derive-enum-0.4.4
[INFO] frobbed toml for diesel-derive-enum-0.4.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/diesel-derive-enum/0.4.4/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-derive-enum-0.4.4 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/diesel-derive-enum/0.4.4:/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] 17c62565c9ed8410fc6f0124f8d65e5861cb72afdfab76573075570da79036e8
[INFO] running `"docker" "start" "-a" "17c62565c9ed8410fc6f0124f8d65e5861cb72afdfab76573075570da79036e8"`
[INFO] [stderr]     Checking diesel-derive-enum v0.4.4 (/opt/crater/workdir)
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:19:47
[INFO] [stderr]    |
[INFO] [stderr] 19 |         type_from_attrs(&ast.attrs, "PgType").unwrap_or(ast.ident.as_ref().to_snake_case());
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| ast.ident.as_ref().to_snake_case())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 |         .unwrap_or(format!("{}Mapping", ast.ident.as_ref()));
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| format!("{}Mapping", ast.ident.as_ref()))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:68:18
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 .unwrap_or(variant.ident.as_ref().to_snake_case());
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| variant.ident.as_ref().to_snake_case())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Checking diesel v1.4.1
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:19:47
[INFO] [stderr]    |
[INFO] [stderr] 19 |         type_from_attrs(&ast.attrs, "PgType").unwrap_or(ast.ident.as_ref().to_snake_case());
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| ast.ident.as_ref().to_snake_case())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 |         .unwrap_or(format!("{}Mapping", ast.ident.as_ref()));
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| format!("{}Mapping", ast.ident.as_ref()))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]   --> src/lib.rs:68:18
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 .unwrap_or(variant.ident.as_ref().to_snake_case());
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| variant.ident.as_ref().to_snake_case())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "17c62565c9ed8410fc6f0124f8d65e5861cb72afdfab76573075570da79036e8"`
[INFO] running `"docker" "rm" "-f" "17c62565c9ed8410fc6f0124f8d65e5861cb72afdfab76573075570da79036e8"`
[INFO] [stdout] 17c62565c9ed8410fc6f0124f8d65e5861cb72afdfab76573075570da79036e8