Dec 18 13:21:13.520 INFO checking optra-0.2.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:21:13.520 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/optra/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:21:13.984 INFO [stdout] 18a7abb29c86eddab4af3915d836ed87ddebef88fc3fc81617da733294ef8cf8
Dec 18 13:21:13.988 INFO running `"docker" "start" "-a" "18a7abb29c86eddab4af3915d836ed87ddebef88fc3fc81617da733294ef8cf8"`
Dec 18 13:21:15.680 INFO [stderr]     Checking rdiff v0.1.2
Dec 18 13:21:16.682 INFO [stderr]     Checking optra v0.2.1 (/opt/crater/workdir)
Dec 18 13:21:17.684 INFO [stderr] warning: unused macro definition
Dec 18 13:21:17.684 INFO [stderr]    --> src/engine.rs:780:5
Dec 18 13:21:17.684 INFO [stderr]     |
Dec 18 13:21:17.684 INFO [stderr] 780 | /     macro_rules! create_list {
Dec 18 13:21:17.684 INFO [stderr] 781 | |         ( $( $x:expr ),* ) => {
Dec 18 13:21:17.684 INFO [stderr] 782 | |             {
Dec 18 13:21:17.684 INFO [stderr] 783 | |                 vec![$($x,)*].into_iter().collect::<LinkedList<_> >()
Dec 18 13:21:17.684 INFO [stderr] 784 | |             }
Dec 18 13:21:17.684 INFO [stderr] 785 | |         };
Dec 18 13:21:17.684 INFO [stderr] 786 | |     }
Dec 18 13:21:17.684 INFO [stderr]     | |_____^
Dec 18 13:21:17.684 INFO [stderr]     |
Dec 18 13:21:17.684 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Dec 18 13:21:17.684 INFO [stderr] 
Dec 18 13:21:18.631 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
Dec 18 13:21:18.947 INFO running `"docker" "inspect" "18a7abb29c86eddab4af3915d836ed87ddebef88fc3fc81617da733294ef8cf8"`
Dec 18 13:21:19.168 INFO running `"docker" "rm" "-f" "18a7abb29c86eddab4af3915d836ed87ddebef88fc3fc81617da733294ef8cf8"`
Dec 18 13:21:19.294 INFO [stdout] 18a7abb29c86eddab4af3915d836ed87ddebef88fc3fc81617da733294ef8cf8