Dec 18 14:02:26.844 INFO checking messenger-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:02:26.845 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/messenger/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:02:27.376 INFO [stdout] fcc42155b258af0fb99aa9ca4895853b8d914d14e5311a1727209d05a93a3d62
Dec 18 14:02:27.378 INFO running `"docker" "start" "-a" "fcc42155b258af0fb99aa9ca4895853b8d914d14e5311a1727209d05a93a3d62"`
Dec 18 14:02:28.631 INFO [stderr]     Checking messenger v0.1.0 (/opt/crater/workdir)
Dec 18 14:02:29.408 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 14:02:29.408 INFO [stderr]  --> src/lib.rs:2:12
Dec 18 14:02:29.408 INFO [stderr]   |
Dec 18 14:02:29.408 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Dec 18 14:02:29.408 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:02:29.408 INFO [stderr]   |
Dec 18 14:02:29.408 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 14:02:29.408 INFO [stderr] 
Dec 18 14:02:29.431 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 14:02:29.431 INFO [stderr]  --> src/lib.rs:2:12
Dec 18 14:02:29.431 INFO [stderr]   |
Dec 18 14:02:29.431 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Dec 18 14:02:29.431 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:02:29.431 INFO [stderr]   |
Dec 18 14:02:29.431 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 14:02:29.431 INFO [stderr] 
Dec 18 14:02:30.952 INFO [stderr] warning: use of deprecated item 'tokio::executor::current_thread': use tokio-current-thread crate or functions in tokio::runtime::current_thread instead
Dec 18 14:02:30.952 INFO [stderr]  --> tests/messenger_test.rs:8:5
Dec 18 14:02:30.952 INFO [stderr]   |
Dec 18 14:02:30.952 INFO [stderr] 8 | use tokio::executor::current_thread;
Dec 18 14:02:30.952 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:02:30.952 INFO [stderr]   |
Dec 18 14:02:30.952 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 14:02:30.952 INFO [stderr] 
Dec 18 14:02:30.956 INFO [stderr] warning: use of deprecated item 'tokio::executor::current_thread::run': use block_on_all instead
Dec 18 14:02:30.956 INFO [stderr]   --> tests/messenger_test.rs:36:5
Dec 18 14:02:30.956 INFO [stderr]    |
Dec 18 14:02:30.956 INFO [stderr] 36 |     current_thread::run(move |_| {
Dec 18 14:02:30.956 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 14:02:30.956 INFO [stderr] 
Dec 18 14:02:31.105 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
Dec 18 14:02:31.762 INFO running `"docker" "inspect" "fcc42155b258af0fb99aa9ca4895853b8d914d14e5311a1727209d05a93a3d62"`
Dec 18 14:02:32.154 INFO running `"docker" "rm" "-f" "fcc42155b258af0fb99aa9ca4895853b8d914d14e5311a1727209d05a93a3d62"`
Dec 18 14:02:32.388 INFO [stdout] fcc42155b258af0fb99aa9ca4895853b8d914d14e5311a1727209d05a93a3d62