Nov 01 21:52:02.621 INFO checking grabbag-0.1.2 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 21:52:02.621 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Nov 01 21:52:03.268 INFO blam! 0032fe333cc511338aa878b82e4d6e11ae8976acdfaecbc51c28de9378fe781d
Nov 01 21:52:03.270 INFO running `"docker" "start" "-a" "0032fe333cc511338aa878b82e4d6e11ae8976acdfaecbc51c28de9378fe781d"`
Nov 01 21:52:04.483 INFO kablam! usermod: no changes
Nov 01 21:52:04.608 INFO kablam!    Compiling grabbag_macros v0.1.2
Nov 01 21:52:06.056 INFO kablam!     Checking grabbag v0.1.2 (/source)
Nov 01 21:52:07.613 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 01 21:52:07.614 INFO kablam!   --> src/iter/skip_exactly.rs:57:37
Nov 01 21:52:07.614 INFO kablam!    |
Nov 01 21:52:07.614 INFO kablam! 57 |     let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::<Vec<_>>(); }).join();
Nov 01 21:52:07.614 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 21:52:07.614 INFO kablam!    |
Nov 01 21:52:07.614 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 21:52:07.614 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 01 21:52:07.614 INFO kablam! 
Nov 01 21:52:07.616 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 01 21:52:07.616 INFO kablam!   --> src/iter/take_exactly.rs:90:37
Nov 01 21:52:07.616 INFO kablam!    |
Nov 01 21:52:07.616 INFO kablam! 90 |     let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::<Vec<_>>(); }).join();
Nov 01 21:52:07.616 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 21:52:07.616 INFO kablam!    |
Nov 01 21:52:07.616 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 01 21:52:07.616 INFO kablam! 
Nov 01 21:52:07.653 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
Nov 01 21:52:07.657 INFO kablam! su: No module specific data is present
Nov 01 21:52:08.015 INFO running `"docker" "rm" "-f" "0032fe333cc511338aa878b82e4d6e11ae8976acdfaecbc51c28de9378fe781d"`
Nov 01 21:52:08.192 INFO blam! 0032fe333cc511338aa878b82e4d6e11ae8976acdfaecbc51c28de9378fe781d