Sep 02 11:43:29.339 INFO checking grabbag-0.1.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851 Sep 02 11:43:29.339 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets Sep 02 11:43:29.339 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 02 11:43:29.549 INFO blam! 85273edc7abad1acabdf9ebf19803ed5d51e0f8d97fb63d02ad256d4759aa470 Sep 02 11:43:29.551 INFO running `"docker" "start" "-a" "85273edc7abad1acabdf9ebf19803ed5d51e0f8d97fb63d02ad256d4759aa470"` Sep 02 11:43:30.309 INFO kablam! Compiling grabbag_macros v0.1.2 Sep 02 11:43:31.801 INFO kablam! Checking grabbag v0.1.2 (file:///source) Sep 02 11:43:33.745 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Sep 02 11:43:33.745 INFO kablam! --> src/iter/skip_exactly.rs:57:37 Sep 02 11:43:33.745 INFO kablam! | Sep 02 11:43:33.745 INFO kablam! 57 | let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::>(); }).join(); Sep 02 11:43:33.745 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 02 11:43:33.745 INFO kablam! | Sep 02 11:43:33.745 INFO kablam! = note: #[warn(unused_must_use)] on by default Sep 02 11:43:33.745 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Sep 02 11:43:33.745 INFO kablam! Sep 02 11:43:33.747 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used Sep 02 11:43:33.747 INFO kablam! --> src/iter/take_exactly.rs:90:37 Sep 02 11:43:33.747 INFO kablam! | Sep 02 11:43:33.747 INFO kablam! 90 | let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::>(); }).join(); Sep 02 11:43:33.747 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 02 11:43:33.747 INFO kablam! | Sep 02 11:43:33.747 INFO kablam! = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead Sep 02 11:43:33.748 INFO kablam! Sep 02 11:43:33.774 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 3.49s Sep 02 11:43:33.778 INFO kablam! su: No module specific data is present Sep 02 11:43:34.169 INFO running `"docker" "rm" "-f" "85273edc7abad1acabdf9ebf19803ed5d51e0f8d97fb63d02ad256d4759aa470"` Sep 02 11:43:34.272 INFO blam! 85273edc7abad1acabdf9ebf19803ed5d51e0f8d97fb63d02ad256d4759aa470