[INFO] updating cached repository bschwind/udp-stress-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bschwind/udp-stress-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bschwind/udp-stress-test" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bschwind/udp-stress-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bschwind/udp-stress-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bschwind/udp-stress-test" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/bschwind/udp-stress-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/bschwind/udp-stress-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae582a9eb84e7c8ddbdce41d0f638ca9d149e007
[INFO] sha for GitHub repo bschwind/udp-stress-test: ae582a9eb84e7c8ddbdce41d0f638ca9d149e007
[INFO] validating manifest of bschwind/udp-stress-test on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bschwind/udp-stress-test on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bschwind/udp-stress-test
[INFO] finished frobbing bschwind/udp-stress-test
[INFO] frobbed toml for bschwind/udp-stress-test written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bschwind/udp-stress-test/Cargo.toml
[INFO] started frobbing bschwind/udp-stress-test
[INFO] finished frobbing bschwind/udp-stress-test
[INFO] frobbed toml for bschwind/udp-stress-test written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/bschwind/udp-stress-test/Cargo.toml
[INFO] crate bschwind/udp-stress-test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking bschwind/udp-stress-test against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/bschwind/udp-stress-test:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4add10de269014c60adf4403680e241d9bf177b5eaf7ae3ace4d118377263b98
[INFO] running `"docker" "start" "-a" "4add10de269014c60adf4403680e241d9bf177b5eaf7ae3ace4d118377263b98"`
[INFO] [stderr]     Checking futures v0.1.13
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking net2 v0.2.29
[INFO] [stderr]     Checking clap v2.24.1
[INFO] [stderr]     Checking bytes v0.4.3
[INFO] [stderr]     Checking mio v0.6.7
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-timer v0.1.1
[INFO] [stderr]     Checking tokio-core v0.1.7
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking udp-fun v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/main.rs:113:50
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn run_server(bind_addr: &str, server_port: u16, buf: Vec<u8>, num_clients: usize) {
[INFO] [stderr]     |                                                  ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/main.rs:113:50
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn run_server(bind_addr: &str, server_port: u16, buf: Vec<u8>, num_clients: usize) {
[INFO] [stderr]     |                                                  ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.41s
[INFO] running `"docker" "inspect" "4add10de269014c60adf4403680e241d9bf177b5eaf7ae3ace4d118377263b98"`
[INFO] running `"docker" "rm" "-f" "4add10de269014c60adf4403680e241d9bf177b5eaf7ae3ace4d118377263b98"`
[INFO] [stdout] 4add10de269014c60adf4403680e241d9bf177b5eaf7ae3ace4d118377263b98