Nov 28 23:11:51.129 INFO checking jpng-0.1.0 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 23:11:51.129 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 23:11:51.297 INFO [stdout] 0fa13684a10d2a5f83bc85bb7927c4a3c2315d26858e6fa36073f1e7d78f396e
Nov 28 23:11:51.302 INFO running `"docker" "start" "-a" "0fa13684a10d2a5f83bc85bb7927c4a3c2315d26858e6fa36073f1e7d78f396e"`
Nov 28 23:11:51.932 INFO [stderr] usermod: no changes
Nov 28 23:11:52.062 INFO [stderr]    Compiling num-derive v0.2.3
Nov 28 23:12:02.009 INFO [stderr]     Checking image v0.19.0
Nov 28 23:12:08.294 INFO [stderr]     Checking jpng v0.1.0 (/source)
Nov 28 23:12:13.168 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 28 23:12:13.168 INFO [stderr]   --> src/lib.rs:68:9
Nov 28 23:12:13.168 INFO [stderr]    |
Nov 28 23:12:13.168 INFO [stderr] 68 | /         self.image
Nov 28 23:12:13.168 INFO [stderr] 69 | |             .to_rgba()
Nov 28 23:12:13.168 INFO [stderr] 70 | |             .enumerate_pixels()
Nov 28 23:12:13.168 INFO [stderr] 71 | |             .zip(luma.pixels())
Nov 28 23:12:13.168 INFO [stderr] ...  |
Nov 28 23:12:13.168 INFO [stderr] 76 | |                     });
Nov 28 23:12:13.168 INFO [stderr] 77 | |             }).collect::<()>();
Nov 28 23:12:13.168 INFO [stderr]    | |_______________________________^
Nov 28 23:12:13.168 INFO [stderr]    |
Nov 28 23:12:13.168 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 23:12:13.168 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 28 23:12:13.168 INFO [stderr] 
Nov 28 23:12:13.568 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 28 23:12:13.568 INFO [stderr]   --> src/lib.rs:68:9
Nov 28 23:12:13.568 INFO [stderr]    |
Nov 28 23:12:13.568 INFO [stderr] 68 | /         self.image
Nov 28 23:12:13.568 INFO [stderr] 69 | |             .to_rgba()
Nov 28 23:12:13.568 INFO [stderr] 70 | |             .enumerate_pixels()
Nov 28 23:12:13.568 INFO [stderr] 71 | |             .zip(luma.pixels())
Nov 28 23:12:13.568 INFO [stderr] ...  |
Nov 28 23:12:13.568 INFO [stderr] 76 | |                     });
Nov 28 23:12:13.568 INFO [stderr] 77 | |             }).collect::<()>();
Nov 28 23:12:13.568 INFO [stderr]    | |_______________________________^
Nov 28 23:12:13.568 INFO [stderr]    |
Nov 28 23:12:13.568 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 23:12:13.568 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 28 23:12:13.568 INFO [stderr] 
Nov 28 23:12:13.585 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.65s
Nov 28 23:12:13.599 INFO [stderr] su: No module specific data is present
Nov 28 23:12:14.560 INFO running `"docker" "inspect" "0fa13684a10d2a5f83bc85bb7927c4a3c2315d26858e6fa36073f1e7d78f396e"`
Nov 28 23:12:14.835 INFO running `"docker" "rm" "-f" "0fa13684a10d2a5f83bc85bb7927c4a3c2315d26858e6fa36073f1e7d78f396e"`
Nov 28 23:12:15.097 INFO [stdout] 0fa13684a10d2a5f83bc85bb7927c4a3c2315d26858e6fa36073f1e7d78f396e