Dec 19 17:44:41.730 INFO checking drouarb/RustEchoSocket against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:44:41.730 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/drouarb/RustEchoSocket:/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 17:44:42.252 INFO [stdout] cddfe6d0c75da8eb46b8873554a5f25d88afdfef56a2b3b90e2cd4230a43f321
Dec 19 17:44:42.254 INFO running `"docker" "start" "-a" "cddfe6d0c75da8eb46b8873554a5f25d88afdfef56a2b3b90e2cd4230a43f321"`
Dec 19 17:44:45.080 INFO [stderr]     Checking mio v0.6.14
Dec 19 17:44:45.080 INFO [stderr]     Checking tokio-io v0.1.6
Dec 19 17:44:45.080 INFO [stderr]     Checking tokio-threadpool v0.1.3
Dec 19 17:44:48.040 INFO [stderr]     Checking tokio-fs v0.1.0
Dec 19 17:44:48.428 INFO [stderr]     Checking tokio-reactor v0.1.1
Dec 19 17:44:49.228 INFO [stderr]     Checking tokio-tcp v0.1.0
Dec 19 17:44:49.228 INFO [stderr]     Checking tokio-udp v0.1.0
Dec 19 17:44:50.012 INFO [stderr]     Checking tokio v0.1.6
Dec 19 17:44:50.952 INFO [stderr]     Checking tokio-core v0.1.17
Dec 19 17:44:52.296 INFO [stderr]     Checking Socket v0.1.0 (/opt/crater/workdir)
Dec 19 17:44:52.889 INFO [stderr] warning: unused import: `tokio_core::reactor::Core`
Dec 19 17:44:52.889 INFO [stderr]  --> src/main.rs:7:5
Dec 19 17:44:52.889 INFO [stderr]   |
Dec 19 17:44:52.889 INFO [stderr] 7 | use tokio_core::reactor::Core;
Dec 19 17:44:52.889 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:44:52.889 INFO [stderr]   |
Dec 19 17:44:52.889 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:44:52.889 INFO [stderr] 
Dec 19 17:44:52.931 INFO [stderr] warning: crate `Socket` should have a snake case name such as `socket`
Dec 19 17:44:52.931 INFO [stderr]   |
Dec 19 17:44:52.931 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 17:44:52.931 INFO [stderr] 
Dec 19 17:44:53.063 INFO [stderr] warning: unused import: `tokio_core::reactor::Core`
Dec 19 17:44:53.063 INFO [stderr]  --> src/main.rs:7:5
Dec 19 17:44:53.063 INFO [stderr]   |
Dec 19 17:44:53.063 INFO [stderr] 7 | use tokio_core::reactor::Core;
Dec 19 17:44:53.063 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:44:53.063 INFO [stderr]   |
Dec 19 17:44:53.063 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:44:53.063 INFO [stderr] 
Dec 19 17:44:53.150 INFO [stderr] warning: crate `Socket` should have a snake case name such as `socket`
Dec 19 17:44:53.150 INFO [stderr]   |
Dec 19 17:44:53.150 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 17:44:53.150 INFO [stderr] 
Dec 19 17:44:53.217 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.32s
Dec 19 17:44:54.416 INFO running `"docker" "inspect" "cddfe6d0c75da8eb46b8873554a5f25d88afdfef56a2b3b90e2cd4230a43f321"`
Dec 19 17:44:54.852 INFO running `"docker" "rm" "-f" "cddfe6d0c75da8eb46b8873554a5f25d88afdfef56a2b3b90e2cd4230a43f321"`
Dec 19 17:44:55.189 INFO [stdout] cddfe6d0c75da8eb46b8873554a5f25d88afdfef56a2b3b90e2cd4230a43f321