Dec 17 17:31:23.846 INFO checking pyranja/aerie-dhcp against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:31:23.846 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/pyranja/aerie-dhcp:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:31:24.604 INFO [stdout] 93e41d3cfa65b5cf10db49833ddf53993cdfc4d873164e2f50a842d99df10588
Dec 17 17:31:24.606 INFO running `"docker" "start" "-a" "93e41d3cfa65b5cf10db49833ddf53993cdfc4d873164e2f50a842d99df10588"`
Dec 17 17:31:25.699 INFO [stderr]     Checking iovec v0.1.0
Dec 17 17:31:25.701 INFO [stderr]     Checking net2 v0.2.30
Dec 17 17:31:25.930 INFO [stderr]     Checking bytes v0.4.4
Dec 17 17:31:26.292 INFO [stderr]     Checking mio v0.6.9
Dec 17 17:31:26.784 INFO [stderr]     Checking tokio-io v0.1.2
Dec 17 17:31:27.884 INFO [stderr]     Checking tokio-core v0.1.9
Dec 17 17:31:29.044 INFO [stderr]     Checking aerie_dhcp v0.1.0 (/opt/crater/workdir)
Dec 17 17:31:29.274 INFO [stderr] warning: unused import: `std::str`
Dec 17 17:31:29.274 INFO [stderr]  --> src/lib.rs:7:5
Dec 17 17:31:29.274 INFO [stderr]   |
Dec 17 17:31:29.274 INFO [stderr] 7 | use std::str;
Dec 17 17:31:29.274 INFO [stderr]   |     ^^^^^^^^
Dec 17 17:31:29.274 INFO [stderr]   |
Dec 17 17:31:29.274 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:31:29.274 INFO [stderr] 
Dec 17 17:31:29.396 INFO [stderr] warning: unused import: `std::str`
Dec 17 17:31:29.396 INFO [stderr]  --> src/lib.rs:7:5
Dec 17 17:31:29.396 INFO [stderr]   |
Dec 17 17:31:29.396 INFO [stderr] 7 | use std::str;
Dec 17 17:31:29.396 INFO [stderr]   |     ^^^^^^^^
Dec 17 17:31:29.396 INFO [stderr]   |
Dec 17 17:31:29.396 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:31:29.396 INFO [stderr] 
Dec 17 17:31:29.416 INFO [stderr] warning: function is never used: `echo`
Dec 17 17:31:29.416 INFO [stderr]   --> src/lib.rs:56:1
Dec 17 17:31:29.416 INFO [stderr]    |
Dec 17 17:31:29.416 INFO [stderr] 56 | fn echo(socket: net::UdpSocket) {
Dec 17 17:31:29.416 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:31:29.416 INFO [stderr]    |
Dec 17 17:31:29.416 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 17:31:29.416 INFO [stderr] 
Dec 17 17:31:29.608 INFO [stderr] warning: function is never used: `echo`
Dec 17 17:31:29.608 INFO [stderr]   --> src/lib.rs:56:1
Dec 17 17:31:29.608 INFO [stderr]    |
Dec 17 17:31:29.608 INFO [stderr] 56 | fn echo(socket: net::UdpSocket) {
Dec 17 17:31:29.608 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:31:29.608 INFO [stderr]    |
Dec 17 17:31:29.608 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 17:31:29.608 INFO [stderr] 
Dec 17 17:31:30.384 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.74s
Dec 17 17:31:31.092 INFO running `"docker" "inspect" "93e41d3cfa65b5cf10db49833ddf53993cdfc4d873164e2f50a842d99df10588"`
Dec 17 17:31:31.428 INFO running `"docker" "rm" "-f" "93e41d3cfa65b5cf10db49833ddf53993cdfc4d873164e2f50a842d99df10588"`
Dec 17 17:31:31.712 INFO [stdout] 93e41d3cfa65b5cf10db49833ddf53993cdfc4d873164e2f50a842d99df10588