Dec 19 21:14:31.308 INFO checking YaLTeR/network-relay against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:14:31.308 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/YaLTeR/network-relay:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:14:31.808 INFO [stdout] bde6bd522775b2629ac9aa2032290f01d7950595f3dcf6c1fd585e5d3bf222bd
Dec 19 21:14:31.810 INFO running `"docker" "start" "-a" "bde6bd522775b2629ac9aa2032290f01d7950595f3dcf6c1fd585e5d3bf222bd"`
Dec 19 21:14:33.872 INFO [stderr]     Checking mio v0.6.9
Dec 19 21:14:33.872 INFO [stderr]     Checking serde_yaml v0.7.1
Dec 19 21:14:33.872 INFO [stderr]     Checking openssl-sys v0.9.15
Dec 19 21:14:33.872 INFO [stderr]     Checking tokio-io v0.1.2
Dec 19 21:14:33.880 INFO [stderr]     Checking hyper v0.10.12
Dec 19 21:14:33.880 INFO [stderr]     Checking error-chain v0.10.0
Dec 19 21:14:36.793 INFO [stderr]     Checking openssl v0.9.15
Dec 19 21:14:38.285 INFO [stderr]     Checking tokio-core v0.1.9
Dec 19 21:14:42.582 INFO [stderr]     Checking native-tls v0.1.4
Dec 19 21:14:43.007 INFO [stderr]     Checking tokio-tls v0.1.3
Dec 19 21:14:43.414 INFO [stderr]     Checking websocket v0.20.2
Dec 19 21:14:44.948 INFO [stderr]     Checking network-relay v0.1.0 (/opt/crater/workdir)
Dec 19 21:14:46.316 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 21:14:46.316 INFO [stderr]  --> src/main.rs:1:12
Dec 19 21:14:46.316 INFO [stderr]   |
Dec 19 21:14:46.316 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 19 21:14:46.316 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:14:46.316 INFO [stderr]   |
Dec 19 21:14:46.316 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 21:14:46.316 INFO [stderr] 
Dec 19 21:14:46.316 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 21:14:46.316 INFO [stderr]  --> src/main.rs:1:12
Dec 19 21:14:46.316 INFO [stderr]   |
Dec 19 21:14:46.316 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 19 21:14:46.316 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:14:46.316 INFO [stderr]   |
Dec 19 21:14:46.316 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 21:14:46.316 INFO [stderr] 
Dec 19 21:14:46.364 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.73s
Dec 19 21:14:47.215 INFO running `"docker" "inspect" "bde6bd522775b2629ac9aa2032290f01d7950595f3dcf6c1fd585e5d3bf222bd"`
Dec 19 21:14:47.488 INFO running `"docker" "rm" "-f" "bde6bd522775b2629ac9aa2032290f01d7950595f3dcf6c1fd585e5d3bf222bd"`
Dec 19 21:14:47.736 INFO [stdout] bde6bd522775b2629ac9aa2032290f01d7950595f3dcf6c1fd585e5d3bf222bd