Oct 13 07:48:19.685 INFO checking suppositions-0.1.4 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977 Oct 13 07:48:19.685 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Oct 13 07:48:20.164 INFO blam! 63fe1f88f9b9830152f3df201841c328cf3460089c4483ab42687a106d6f6528 Oct 13 07:48:20.170 INFO running `"docker" "start" "-a" "63fe1f88f9b9830152f3df201841c328cf3460089c4483ab42687a106d6f6528"` Oct 13 07:48:21.568 INFO kablam! usermod: no changes Oct 13 07:48:21.656 INFO kablam! Checking suppositions v0.1.4 (/source) Oct 13 07:48:29.520 INFO kablam! warning: unnecessary parentheses around function argument Oct 13 07:48:29.520 INFO kablam! --> tests/smoketest.rs:57:14 Oct 13 07:48:29.520 INFO kablam! | Oct 13 07:48:29.520 INFO kablam! 57 | property((booleans())).check(|_| false) Oct 13 07:48:29.520 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Oct 13 07:48:29.520 INFO kablam! | Oct 13 07:48:29.520 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 13 07:48:29.520 INFO kablam! Oct 13 07:48:29.520 INFO kablam! warning: unnecessary parentheses around function argument Oct 13 07:48:29.521 INFO kablam! --> tests/smoketest.rs:62:14 Oct 13 07:48:29.521 INFO kablam! | Oct 13 07:48:29.521 INFO kablam! 62 | property((booleans())).check(|_| true) Oct 13 07:48:29.521 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Oct 13 07:48:29.521 INFO kablam! Oct 13 07:48:29.521 INFO kablam! warning: unnecessary parentheses around function argument Oct 13 07:48:29.521 INFO kablam! --> tests/smoketest.rs:77:14 Oct 13 07:48:29.521 INFO kablam! | Oct 13 07:48:29.521 INFO kablam! 77 | property((booleans())).check(|_| -> Result<(), ()> { Err(()) }) Oct 13 07:48:29.521 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Oct 13 07:48:29.521 INFO kablam! Oct 13 07:48:29.521 INFO kablam! warning: unnecessary parentheses around function argument Oct 13 07:48:29.521 INFO kablam! --> tests/smoketest.rs:83:14 Oct 13 07:48:29.521 INFO kablam! | Oct 13 07:48:29.521 INFO kablam! 83 | property((booleans())).check(|_| -> Result<(), &'static str> { Err("horrible failure") }) Oct 13 07:48:29.521 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Oct 13 07:48:29.521 INFO kablam! Oct 13 07:48:29.521 INFO kablam! warning: unnecessary parentheses around function argument Oct 13 07:48:29.521 INFO kablam! --> tests/smoketest.rs:89:14 Oct 13 07:48:29.521 INFO kablam! | Oct 13 07:48:29.521 INFO kablam! 89 | property((booleans())).check(|_| -> Result<(), ()> { Ok(()) }) Oct 13 07:48:29.521 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Oct 13 07:48:29.521 INFO kablam! Oct 13 07:48:29.521 INFO kablam! warning: unnecessary parentheses around function argument Oct 13 07:48:29.521 INFO kablam! --> tests/smoketest.rs:95:14 Oct 13 07:48:29.521 INFO kablam! | Oct 13 07:48:29.521 INFO kablam! 95 | property((booleans())).check(|_| -> () { panic!("Big bad boom") }) Oct 13 07:48:29.521 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Oct 13 07:48:29.521 INFO kablam! Oct 13 07:48:29.521 INFO kablam! warning: unnecessary parentheses around function argument Oct 13 07:48:29.521 INFO kablam! --> tests/smoketest.rs:101:14 Oct 13 07:48:29.521 INFO kablam! | Oct 13 07:48:29.521 INFO kablam! 101 | property((booleans())).check(|_| -> () { panic!("Big bad boom") }) Oct 13 07:48:29.521 INFO kablam! | ^^^^^^^^^^^^ help: remove these parentheses Oct 13 07:48:29.521 INFO kablam! Oct 13 07:48:29.672 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 8.07s Oct 13 07:48:29.672 INFO kablam! su: No module specific data is present Oct 13 07:48:30.535 INFO running `"docker" "rm" "-f" "63fe1f88f9b9830152f3df201841c328cf3460089c4483ab42687a106d6f6528"` Oct 13 07:48:30.820 INFO blam! 63fe1f88f9b9830152f3df201841c328cf3460089c4483ab42687a106d6f6528