Dec 18 18:23:33.853 INFO checking async-mesos-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:23:33.854 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/async-mesos/0.1.0:/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 18:23:34.324 INFO [stdout] 78b45e6b9c7d05b8dbf9094ce6e8e1c0446cabe1ad63b0187a0581dab0331752
Dec 18 18:23:34.326 INFO running `"docker" "start" "-a" "78b45e6b9c7d05b8dbf9094ce6e8e1c0446cabe1ad63b0187a0581dab0331752"`
Dec 18 18:23:36.224 INFO [stderr]    Compiling protobuf v1.7.4
Dec 18 18:23:36.268 INFO [stderr]     Checking users v0.6.1
Dec 18 18:23:44.220 INFO [stderr]     Checking async-mesos v0.1.0 (/opt/crater/workdir)
Dec 18 18:24:07.223 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:24:07.223 INFO [stderr]   --> tests/mesos.rs:32:9
Dec 18 18:24:07.223 INFO [stderr]    |
Dec 18 18:24:07.223 INFO [stderr] 32 |         simple_logger::init();
Dec 18 18:24:07.223 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:24:07.223 INFO [stderr]    |
Dec 18 18:24:07.223 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 18:24:07.223 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:24:07.223 INFO [stderr] 
Dec 18 18:24:07.231 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:24:07.231 INFO [stderr]   --> tests/mesos.rs:63:9
Dec 18 18:24:07.231 INFO [stderr]    |
Dec 18 18:24:07.231 INFO [stderr] 63 |         simple_logger::init();
Dec 18 18:24:07.231 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:24:07.231 INFO [stderr]    |
Dec 18 18:24:07.231 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:24:07.231 INFO [stderr] 
Dec 18 18:24:07.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.29s
Dec 18 18:24:08.475 INFO running `"docker" "inspect" "78b45e6b9c7d05b8dbf9094ce6e8e1c0446cabe1ad63b0187a0581dab0331752"`
Dec 18 18:24:08.756 INFO running `"docker" "rm" "-f" "78b45e6b9c7d05b8dbf9094ce6e8e1c0446cabe1ad63b0187a0581dab0331752"`
Dec 18 18:24:09.088 INFO [stdout] 78b45e6b9c7d05b8dbf9094ce6e8e1c0446cabe1ad63b0187a0581dab0331752