Dec 19 21:14:31.586 INFO checking YaLTeR/network-relay against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:14:31.586 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:14:31.962 INFO [stdout] ac3840cc9fb4a6aa65a30a074b5042f962a3fbaed5193197dc30944039db4a3f
Dec 19 21:14:31.970 INFO running `"docker" "start" "-a" "ac3840cc9fb4a6aa65a30a074b5042f962a3fbaed5193197dc30944039db4a3f"`
Dec 19 21:14:34.870 INFO [stderr]     Checking websocket v0.20.2
Dec 19 21:14:36.784 INFO [stderr]     Checking network-relay v0.1.0 (/opt/crater/workdir)
Dec 19 21:14:38.873 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 21:14:38.873 INFO [stderr]  --> src/main.rs:1:12
Dec 19 21:14:38.873 INFO [stderr]   |
Dec 19 21:14:38.873 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 19 21:14:38.873 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:14:38.873 INFO [stderr]   |
Dec 19 21:14:38.873 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 21:14:38.873 INFO [stderr] 
Dec 19 21:14:39.036 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 21:14:39.036 INFO [stderr]  --> src/main.rs:1:12
Dec 19 21:14:39.036 INFO [stderr]   |
Dec 19 21:14:39.036 INFO [stderr] 1 | #![feature(conservative_impl_trait)]
Dec 19 21:14:39.036 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:14:39.036 INFO [stderr]   |
Dec 19 21:14:39.036 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 21:14:39.036 INFO [stderr] 
Dec 19 21:14:39.085 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
Dec 19 21:14:40.080 INFO running `"docker" "inspect" "ac3840cc9fb4a6aa65a30a074b5042f962a3fbaed5193197dc30944039db4a3f"`
Dec 19 21:14:40.384 INFO running `"docker" "rm" "-f" "ac3840cc9fb4a6aa65a30a074b5042f962a3fbaed5193197dc30944039db4a3f"`
Dec 19 21:14:40.752 INFO [stdout] ac3840cc9fb4a6aa65a30a074b5042f962a3fbaed5193197dc30944039db4a3f