Dec 12 06:44:14.361 INFO checking suppositions-0.1.4 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 06:44:14.361 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 06:44:14.797 INFO [stdout] caefb2f1bec417bc911fcc8bad3cd2525739f6fe5cb59312bb81fc5f858f2ce7
Dec 12 06:44:14.799 INFO running `"docker" "start" "-a" "caefb2f1bec417bc911fcc8bad3cd2525739f6fe5cb59312bb81fc5f858f2ce7"`
Dec 12 06:44:16.552 INFO [stderr] usermod: no changes
Dec 12 06:44:16.648 INFO [stderr]     Checking hex-slice v0.1.4
Dec 12 06:44:16.902 INFO [stderr]     Checking suppositions v0.1.4 (/source)
Dec 12 06:44:23.476 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 06:44:23.476 INFO [stderr]   --> tests/smoketest.rs:57:14
Dec 12 06:44:23.476 INFO [stderr]    |
Dec 12 06:44:23.476 INFO [stderr] 57 |     property((booleans())).check(|_| false)
Dec 12 06:44:23.477 INFO [stderr]    |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 12 06:44:23.477 INFO [stderr]    |
Dec 12 06:44:23.477 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 06:44:23.477 INFO [stderr] 
Dec 12 06:44:23.477 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 06:44:23.477 INFO [stderr]   --> tests/smoketest.rs:62:14
Dec 12 06:44:23.477 INFO [stderr]    |
Dec 12 06:44:23.477 INFO [stderr] 62 |     property((booleans())).check(|_| true)
Dec 12 06:44:23.477 INFO [stderr]    |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 12 06:44:23.477 INFO [stderr] 
Dec 12 06:44:23.477 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 06:44:23.477 INFO [stderr]   --> tests/smoketest.rs:77:14
Dec 12 06:44:23.477 INFO [stderr]    |
Dec 12 06:44:23.477 INFO [stderr] 77 |     property((booleans())).check(|_| -> Result<(), ()> { Err(()) })
Dec 12 06:44:23.477 INFO [stderr]    |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 12 06:44:23.477 INFO [stderr] 
Dec 12 06:44:23.477 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 06:44:23.477 INFO [stderr]   --> tests/smoketest.rs:83:14
Dec 12 06:44:23.477 INFO [stderr]    |
Dec 12 06:44:23.477 INFO [stderr] 83 |     property((booleans())).check(|_| -> Result<(), &'static str> { Err("horrible failure") })
Dec 12 06:44:23.477 INFO [stderr]    |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 12 06:44:23.477 INFO [stderr] 
Dec 12 06:44:23.477 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 06:44:23.477 INFO [stderr]   --> tests/smoketest.rs:89:14
Dec 12 06:44:23.477 INFO [stderr]    |
Dec 12 06:44:23.477 INFO [stderr] 89 |     property((booleans())).check(|_| -> Result<(), ()> { Ok(()) })
Dec 12 06:44:23.477 INFO [stderr]    |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 12 06:44:23.477 INFO [stderr] 
Dec 12 06:44:23.477 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 06:44:23.477 INFO [stderr]   --> tests/smoketest.rs:95:14
Dec 12 06:44:23.477 INFO [stderr]    |
Dec 12 06:44:23.477 INFO [stderr] 95 |     property((booleans())).check(|_| -> () { panic!("Big bad boom") })
Dec 12 06:44:23.477 INFO [stderr]    |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 12 06:44:23.477 INFO [stderr] 
Dec 12 06:44:23.477 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 06:44:23.477 INFO [stderr]    --> tests/smoketest.rs:101:14
Dec 12 06:44:23.477 INFO [stderr]     |
Dec 12 06:44:23.477 INFO [stderr] 101 |     property((booleans())).check(|_| -> () { panic!("Big bad boom") })
Dec 12 06:44:23.477 INFO [stderr]     |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 12 06:44:23.477 INFO [stderr] 
Dec 12 06:44:23.616 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.05s
Dec 12 06:44:23.625 INFO [stderr] su: No module specific data is present
Dec 12 06:44:24.342 INFO running `"docker" "inspect" "caefb2f1bec417bc911fcc8bad3cd2525739f6fe5cb59312bb81fc5f858f2ce7"`
Dec 12 06:44:24.632 INFO running `"docker" "rm" "-f" "caefb2f1bec417bc911fcc8bad3cd2525739f6fe5cb59312bb81fc5f858f2ce7"`
Dec 12 06:44:25.080 INFO [stdout] caefb2f1bec417bc911fcc8bad3cd2525739f6fe5cb59312bb81fc5f858f2ce7