Dec 17 14:01:28.563 INFO checking tcsc/asyncho against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 14:01:28.563 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/tcsc/asyncho:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 14:01:29.123 INFO [stdout] d87ae8eb719f5fee97a233d2db01fc1f56d9a32630f3880124f53a8afd898053
Dec 17 14:01:29.126 INFO running `"docker" "start" "-a" "d87ae8eb719f5fee97a233d2db01fc1f56d9a32630f3880124f53a8afd898053"`
Dec 17 14:01:30.812 INFO [stderr]     Checking futures v0.1.13
Dec 17 14:01:30.820 INFO [stderr]     Checking lazycell v0.4.0
Dec 17 14:01:30.820 INFO [stderr]     Checking iovec v0.1.0
Dec 17 14:01:30.828 INFO [stderr]     Checking net2 v0.2.27
Dec 17 14:01:30.828 INFO [stderr]     Checking env_logger v0.4.2
Dec 17 14:01:31.592 INFO [stderr]     Checking bytes v0.4.2
Dec 17 14:01:32.320 INFO [stderr]     Checking mio v0.6.6
Dec 17 14:01:35.672 INFO [stderr]     Checking tokio-io v0.1.1
Dec 17 14:01:36.398 INFO [stderr]     Checking tokio-core v0.1.6
Dec 17 14:01:37.633 INFO [stderr]     Checking asyncho v0.1.0 (/opt/crater/workdir)
Dec 17 14:01:38.224 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:01:38.224 INFO [stderr]    --> src/service.rs:124:17
Dec 17 14:01:38.224 INFO [stderr]     |
Dec 17 14:01:38.224 INFO [stderr] 124 |                 self.spawn_connection(conn).map_err(erase);
Dec 17 14:01:38.224 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:01:38.224 INFO [stderr]     |
Dec 17 14:01:38.224 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 14:01:38.224 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:01:38.224 INFO [stderr] 
Dec 17 14:01:38.452 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 14:01:38.453 INFO [stderr]    --> src/service.rs:124:17
Dec 17 14:01:38.453 INFO [stderr]     |
Dec 17 14:01:38.453 INFO [stderr] 124 |                 self.spawn_connection(conn).map_err(erase);
Dec 17 14:01:38.453 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:01:38.454 INFO [stderr]     |
Dec 17 14:01:38.454 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 14:01:38.454 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 14:01:38.454 INFO [stderr] 
Dec 17 14:01:38.489 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.77s
Dec 17 14:01:39.436 INFO running `"docker" "inspect" "d87ae8eb719f5fee97a233d2db01fc1f56d9a32630f3880124f53a8afd898053"`
Dec 17 14:01:39.696 INFO running `"docker" "rm" "-f" "d87ae8eb719f5fee97a233d2db01fc1f56d9a32630f3880124f53a8afd898053"`
Dec 17 14:01:40.012 INFO [stdout] d87ae8eb719f5fee97a233d2db01fc1f56d9a32630f3880124f53a8afd898053