Aug 31 11:56:02.619 INFO checking suppositions-0.1.4 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578 Aug 31 11:56:02.619 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets Aug 31 11:56:02.620 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Aug 31 11:56:02.761 INFO blam! 386cb74f09c192fdb2e1ed5d557e8cb093df27256cb59ea0607a1a7d99c0f3b3 Aug 31 11:56:02.763 INFO running `"docker" "start" "-a" "386cb74f09c192fdb2e1ed5d557e8cb093df27256cb59ea0607a1a7d99c0f3b3"` Aug 31 11:56:03.335 INFO kablam! Checking suppositions v0.1.4 (file:///source) Aug 31 11:56:06.034 INFO kablam! warning: unnecessary parentheses around function argument Aug 31 11:56:06.034 INFO kablam! --> tests/smoketest.rs:57:14 Aug 31 11:56:06.034 INFO kablam! | Aug 31 11:56:06.034 INFO kablam! 57 | property((booleans())).check(|_| false) Aug 31 11:56:06.034 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Aug 31 11:56:06.035 INFO kablam! | Aug 31 11:56:06.035 INFO kablam! = note: #[warn(unused_parens)] on by default Aug 31 11:56:06.036 INFO kablam! Aug 31 11:56:06.036 INFO kablam! warning: unnecessary parentheses around function argument Aug 31 11:56:06.036 INFO kablam! --> tests/smoketest.rs:62:14 Aug 31 11:56:06.036 INFO kablam! | Aug 31 11:56:06.036 INFO kablam! 62 | property((booleans())).check(|_| true) Aug 31 11:56:06.036 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Aug 31 11:56:06.037 INFO kablam! Aug 31 11:56:06.037 INFO kablam! warning: unnecessary parentheses around function argument Aug 31 11:56:06.037 INFO kablam! --> tests/smoketest.rs:77:14 Aug 31 11:56:06.037 INFO kablam! | Aug 31 11:56:06.037 INFO kablam! 77 | property((booleans())).check(|_| -> Result<(), ()> { Err(()) }) Aug 31 11:56:06.037 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Aug 31 11:56:06.038 INFO kablam! Aug 31 11:56:06.038 INFO kablam! warning: unnecessary parentheses around function argument Aug 31 11:56:06.039 INFO kablam! --> tests/smoketest.rs:83:14 Aug 31 11:56:06.039 INFO kablam! | Aug 31 11:56:06.039 INFO kablam! 83 | property((booleans())).check(|_| -> Result<(), &'static str> { Err("horrible failure") }) Aug 31 11:56:06.039 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Aug 31 11:56:06.039 INFO kablam! Aug 31 11:56:06.040 INFO kablam! warning: unnecessary parentheses around function argument Aug 31 11:56:06.040 INFO kablam! --> tests/smoketest.rs:89:14 Aug 31 11:56:06.040 INFO kablam! | Aug 31 11:56:06.040 INFO kablam! 89 | property((booleans())).check(|_| -> Result<(), ()> { Ok(()) }) Aug 31 11:56:06.040 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Aug 31 11:56:06.040 INFO kablam! Aug 31 11:56:06.041 INFO kablam! warning: unnecessary parentheses around function argument Aug 31 11:56:06.041 INFO kablam! --> tests/smoketest.rs:95:14 Aug 31 11:56:06.041 INFO kablam! | Aug 31 11:56:06.041 INFO kablam! 95 | property((booleans())).check(|_| -> () { panic!("Big bad boom") }) Aug 31 11:56:06.041 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Aug 31 11:56:06.042 INFO kablam! Aug 31 11:56:06.042 INFO kablam! warning: unnecessary parentheses around function argument Aug 31 11:56:06.042 INFO kablam! --> tests/smoketest.rs:101:14 Aug 31 11:56:06.042 INFO kablam! | Aug 31 11:56:06.042 INFO kablam! 101 | property((booleans())).check(|_| -> () { panic!("Big bad boom") }) Aug 31 11:56:06.042 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Aug 31 11:56:06.043 INFO kablam! Aug 31 11:56:06.953 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 3.66s Aug 31 11:56:06.959 INFO kablam! su: No module specific data is present Aug 31 11:56:07.407 INFO running `"docker" "rm" "-f" "386cb74f09c192fdb2e1ed5d557e8cb093df27256cb59ea0607a1a7d99c0f3b3"` Aug 31 11:56:07.533 INFO blam! 386cb74f09c192fdb2e1ed5d557e8cb093df27256cb59ea0607a1a7d99c0f3b3