Dec 05 05:56:42.288 INFO checking suppositions-0.1.4 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 05:56:42.288 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 05:56:42.793 INFO [stdout] 5bb938c5cef5f8daf21c89311f81c1fa0731b75ccb8f94e1abcdb8ce3770b1f7
Dec 05 05:56:42.799 INFO running `"docker" "start" "-a" "5bb938c5cef5f8daf21c89311f81c1fa0731b75ccb8f94e1abcdb8ce3770b1f7"`
Dec 05 05:56:44.101 INFO [stderr] usermod: no changes
Dec 05 05:56:44.247 INFO [stderr]     Checking suppositions v0.1.4 (/source)
Dec 05 05:56:44.247 INFO [stderr]     Checking env_logger v0.4.3
Dec 05 05:56:50.441 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 05:56:50.441 INFO [stderr]   --> tests/smoketest.rs:57:14
Dec 05 05:56:50.441 INFO [stderr]    |
Dec 05 05:56:50.441 INFO [stderr] 57 |     property((booleans())).check(|_| false)
Dec 05 05:56:50.441 INFO [stderr]    |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 05 05:56:50.441 INFO [stderr]    |
Dec 05 05:56:50.441 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 05 05:56:50.441 INFO [stderr] 
Dec 05 05:56:50.441 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 05:56:50.441 INFO [stderr]   --> tests/smoketest.rs:62:14
Dec 05 05:56:50.441 INFO [stderr]    |
Dec 05 05:56:50.441 INFO [stderr] 62 |     property((booleans())).check(|_| true)
Dec 05 05:56:50.441 INFO [stderr]    |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 05 05:56:50.441 INFO [stderr] 
Dec 05 05:56:50.441 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 05:56:50.441 INFO [stderr]   --> tests/smoketest.rs:77:14
Dec 05 05:56:50.441 INFO [stderr]    |
Dec 05 05:56:50.441 INFO [stderr] 77 |     property((booleans())).check(|_| -> Result<(), ()> { Err(()) })
Dec 05 05:56:50.441 INFO [stderr]    |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 05 05:56:50.441 INFO [stderr] 
Dec 05 05:56:50.441 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 05:56:50.441 INFO [stderr]   --> tests/smoketest.rs:83:14
Dec 05 05:56:50.441 INFO [stderr]    |
Dec 05 05:56:50.441 INFO [stderr] 83 |     property((booleans())).check(|_| -> Result<(), &'static str> { Err("horrible failure") })
Dec 05 05:56:50.441 INFO [stderr]    |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 05 05:56:50.441 INFO [stderr] 
Dec 05 05:56:50.441 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 05:56:50.441 INFO [stderr]   --> tests/smoketest.rs:89:14
Dec 05 05:56:50.441 INFO [stderr]    |
Dec 05 05:56:50.441 INFO [stderr] 89 |     property((booleans())).check(|_| -> Result<(), ()> { Ok(()) })
Dec 05 05:56:50.441 INFO [stderr]    |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 05 05:56:50.441 INFO [stderr] 
Dec 05 05:56:50.441 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 05:56:50.441 INFO [stderr]   --> tests/smoketest.rs:95:14
Dec 05 05:56:50.441 INFO [stderr]    |
Dec 05 05:56:50.441 INFO [stderr] 95 |     property((booleans())).check(|_| -> () { panic!("Big bad boom") })
Dec 05 05:56:50.441 INFO [stderr]    |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 05 05:56:50.441 INFO [stderr] 
Dec 05 05:56:50.441 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 05:56:50.441 INFO [stderr]    --> tests/smoketest.rs:101:14
Dec 05 05:56:50.441 INFO [stderr]     |
Dec 05 05:56:50.441 INFO [stderr] 101 |     property((booleans())).check(|_| -> () { panic!("Big bad boom") })
Dec 05 05:56:50.441 INFO [stderr]     |              ^^^^^^^^^^^^ help: remove these parentheses
Dec 05 05:56:50.441 INFO [stderr] 
Dec 05 05:56:51.847 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.70s
Dec 05 05:56:51.847 INFO [stderr] su: No module specific data is present
Dec 05 05:56:52.253 INFO running `"docker" "inspect" "5bb938c5cef5f8daf21c89311f81c1fa0731b75ccb8f94e1abcdb8ce3770b1f7"`
Dec 05 05:56:52.488 INFO running `"docker" "rm" "-f" "5bb938c5cef5f8daf21c89311f81c1fa0731b75ccb8f94e1abcdb8ce3770b1f7"`
Dec 05 05:56:52.612 INFO [stdout] 5bb938c5cef5f8daf21c89311f81c1fa0731b75ccb8f94e1abcdb8ce3770b1f7