Sep 01 04:50:47.643 INFO checking suppositions-0.1.4 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831 Sep 01 04:50:47.644 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets Sep 01 04:50:47.644 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 01 04:50:47.803 INFO blam! 01a30c9f4f3cb7a3927c2d070b6c2097a32e124f4d42d9272d656ef38476aceb Sep 01 04:50:47.804 INFO running `"docker" "start" "-a" "01a30c9f4f3cb7a3927c2d070b6c2097a32e124f4d42d9272d656ef38476aceb"` Sep 01 04:50:48.459 INFO kablam! Checking suppositions v0.1.4 (file:///source) Sep 01 04:50:51.248 INFO kablam! warning: unnecessary parentheses around function argument Sep 01 04:50:51.248 INFO kablam! --> tests/smoketest.rs:57:14 Sep 01 04:50:51.248 INFO kablam! | Sep 01 04:50:51.248 INFO kablam! 57 | property((booleans())).check(|_| false) Sep 01 04:50:51.249 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Sep 01 04:50:51.249 INFO kablam! | Sep 01 04:50:51.249 INFO kablam! = note: #[warn(unused_parens)] on by default Sep 01 04:50:51.249 INFO kablam! Sep 01 04:50:51.249 INFO kablam! warning: unnecessary parentheses around function argument Sep 01 04:50:51.249 INFO kablam! --> tests/smoketest.rs:62:14 Sep 01 04:50:51.249 INFO kablam! | Sep 01 04:50:51.249 INFO kablam! 62 | property((booleans())).check(|_| true) Sep 01 04:50:51.249 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Sep 01 04:50:51.249 INFO kablam! Sep 01 04:50:51.249 INFO kablam! warning: unnecessary parentheses around function argument Sep 01 04:50:51.249 INFO kablam! --> tests/smoketest.rs:77:14 Sep 01 04:50:51.249 INFO kablam! | Sep 01 04:50:51.249 INFO kablam! 77 | property((booleans())).check(|_| -> Result<(), ()> { Err(()) }) Sep 01 04:50:51.250 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Sep 01 04:50:51.250 INFO kablam! Sep 01 04:50:51.250 INFO kablam! warning: unnecessary parentheses around function argument Sep 01 04:50:51.250 INFO kablam! --> tests/smoketest.rs:83:14 Sep 01 04:50:51.250 INFO kablam! | Sep 01 04:50:51.250 INFO kablam! 83 | property((booleans())).check(|_| -> Result<(), &'static str> { Err("horrible failure") }) Sep 01 04:50:51.250 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Sep 01 04:50:51.250 INFO kablam! Sep 01 04:50:51.250 INFO kablam! warning: unnecessary parentheses around function argument Sep 01 04:50:51.250 INFO kablam! --> tests/smoketest.rs:89:14 Sep 01 04:50:51.250 INFO kablam! | Sep 01 04:50:51.250 INFO kablam! 89 | property((booleans())).check(|_| -> Result<(), ()> { Ok(()) }) Sep 01 04:50:51.250 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Sep 01 04:50:51.250 INFO kablam! Sep 01 04:50:51.250 INFO kablam! warning: unnecessary parentheses around function argument Sep 01 04:50:51.250 INFO kablam! --> tests/smoketest.rs:95:14 Sep 01 04:50:51.250 INFO kablam! | Sep 01 04:50:51.250 INFO kablam! 95 | property((booleans())).check(|_| -> () { panic!("Big bad boom") }) Sep 01 04:50:51.250 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Sep 01 04:50:51.250 INFO kablam! Sep 01 04:50:51.250 INFO kablam! warning: unnecessary parentheses around function argument Sep 01 04:50:51.250 INFO kablam! --> tests/smoketest.rs:101:14 Sep 01 04:50:51.250 INFO kablam! | Sep 01 04:50:51.250 INFO kablam! 101 | property((booleans())).check(|_| -> () { panic!("Big bad boom") }) Sep 01 04:50:51.250 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Sep 01 04:50:51.250 INFO kablam! Sep 01 04:50:51.747 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 3.33s Sep 01 04:50:51.754 INFO kablam! su: No module specific data is present Sep 01 04:50:52.454 INFO running `"docker" "rm" "-f" "01a30c9f4f3cb7a3927c2d070b6c2097a32e124f4d42d9272d656ef38476aceb"` Sep 01 04:50:52.569 INFO blam! 01a30c9f4f3cb7a3927c2d070b6c2097a32e124f4d42d9272d656ef38476aceb