[INFO] crate expect_macro 0.2.1 is already in cache
[INFO] extracting crate expect_macro 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/expect_macro/0.2.1
[INFO] extracting crate expect_macro 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/expect_macro/0.2.1
[INFO] validating manifest of expect_macro-0.2.1 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 expect_macro-0.2.1 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 expect_macro-0.2.1
[INFO] finished frobbing expect_macro-0.2.1
[INFO] frobbed toml for expect_macro-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/expect_macro/0.2.1/Cargo.toml
[INFO] started frobbing expect_macro-0.2.1
[INFO] finished frobbing expect_macro-0.2.1
[INFO] frobbed toml for expect_macro-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/expect_macro/0.2.1/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 expect_macro-0.2.1 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/expect_macro/0.2.1:/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] cf736b661d6330ebb92208dfc9c4534997bf07d22f9a2cf4fbd577095dccad99
[INFO] running `"docker" "start" "-a" "cf736b661d6330ebb92208dfc9c4534997bf07d22f9a2cf4fbd577095dccad99"`
[INFO] [stderr]     Checking expect_macro v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:142:12
[INFO] [stderr]     |
[INFO] [stderr] 142 |         Ok(a)
[INFO] [stderr]     |            ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 142 |         Ok(())
[INFO] [stderr]     |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let a =`
[INFO] [stderr]    --> src/lib.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let a = ();
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:93:9
[INFO] [stderr]     |
[INFO] [stderr] 93  | /         $crate::IntoResult::into_result($result).unwrap_or_else(|e| {
[INFO] [stderr] 94  | |             panic!("{:?}", e)
[INFO] [stderr] 95  | |         })
[INFO] [stderr]     | |__________^
[INFO] [stderr] ...
[INFO] [stderr] 151 |       expect!(bar(expect!(foo(a))));
[INFO] [stderr]     |                   --------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 93  |         ()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:151:29
[INFO] [stderr]     |
[INFO] [stderr] 151 |     expect!(bar(expect!(foo(a))));
[INFO] [stderr]     |                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 151 |     expect!(bar(expect!(foo(()))));
[INFO] [stderr]     |                             ^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "cf736b661d6330ebb92208dfc9c4534997bf07d22f9a2cf4fbd577095dccad99"`
[INFO] running `"docker" "rm" "-f" "cf736b661d6330ebb92208dfc9c4534997bf07d22f9a2cf4fbd577095dccad99"`
[INFO] [stdout] cf736b661d6330ebb92208dfc9c4534997bf07d22f9a2cf4fbd577095dccad99