Nov 30 21:38:21.511 INFO checking grabbag-0.1.2 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 21:38:21.511 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 21:38:21.748 INFO [stdout] 2c8b0f2465e9370c78cd962f10a0fc2a0013cbc01115344a296e1d20f159bfa1
Nov 30 21:38:21.754 INFO running `"docker" "start" "-a" "2c8b0f2465e9370c78cd962f10a0fc2a0013cbc01115344a296e1d20f159bfa1"`
Nov 30 21:38:22.820 INFO [stderr] usermod: no changes
Nov 30 21:38:22.909 INFO [stderr]    Compiling grabbag_macros v0.1.2
Nov 30 21:38:24.528 INFO [stderr]     Checking grabbag v0.1.2 (/source)
Nov 30 21:38:25.962 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 30 21:38:25.962 INFO [stderr]   --> src/iter/skip_exactly.rs:57:37
Nov 30 21:38:25.962 INFO [stderr]    |
Nov 30 21:38:25.962 INFO [stderr] 57 |     let r = thread::spawn(move || { v.into_iter().skip_exactly(3).collect::<Vec<_>>(); }).join();
Nov 30 21:38:25.962 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 21:38:25.962 INFO [stderr]    |
Nov 30 21:38:25.962 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 21:38:25.962 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 30 21:38:25.962 INFO [stderr] 
Nov 30 21:38:25.964 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 30 21:38:25.964 INFO [stderr]   --> src/iter/take_exactly.rs:90:37
Nov 30 21:38:25.964 INFO [stderr]    |
Nov 30 21:38:25.964 INFO [stderr] 90 |     let r = thread::spawn(move || { v.into_iter().take_exactly(3).collect::<Vec<_>>(); }).join();
Nov 30 21:38:25.964 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 21:38:25.964 INFO [stderr]    |
Nov 30 21:38:25.964 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 30 21:38:25.964 INFO [stderr] 
Nov 30 21:38:26.002 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
Nov 30 21:38:26.002 INFO [stderr] su: No module specific data is present
Nov 30 21:38:26.340 INFO running `"docker" "inspect" "2c8b0f2465e9370c78cd962f10a0fc2a0013cbc01115344a296e1d20f159bfa1"`
Nov 30 21:38:26.546 INFO running `"docker" "rm" "-f" "2c8b0f2465e9370c78cd962f10a0fc2a0013cbc01115344a296e1d20f159bfa1"`
Nov 30 21:38:26.752 INFO [stdout] 2c8b0f2465e9370c78cd962f10a0fc2a0013cbc01115344a296e1d20f159bfa1