[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/beta-1.37-6/sources/1.36.0/gh/bschwind/udp-stress-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/bschwind/udp-stress-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bschwind/udp-stress-test" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bschwind/udp-stress-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bschwind/udp-stress-test on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bschwind/udp-stress-test against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 92b75ad8235bbdafbf168223ad52e61ffd604437198e96e64e5b8a245c4dcb81
[INFO] running `"docker" "start" "-a" "92b75ad8235bbdafbf168223ad52e61ffd604437198e96e64e5b8a245c4dcb81"`
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling net2 v0.2.29
[INFO] [stderr]    Compiling tokio-timer v0.1.1
[INFO] [stderr]    Compiling clap v2.24.1
[INFO] [stderr]    Compiling bytes v0.4.3
[INFO] [stderr]    Compiling mio v0.6.7
[INFO] [stderr]    Compiling tokio-io v0.1.1
[INFO] [stderr]    Compiling tokio-core v0.1.7
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 30.25s
[INFO] running `"docker" "inspect" "92b75ad8235bbdafbf168223ad52e61ffd604437198e96e64e5b8a245c4dcb81"`
[INFO] running `"docker" "rm" "-f" "92b75ad8235bbdafbf168223ad52e61ffd604437198e96e64e5b8a245c4dcb81"`
[INFO] [stdout] 92b75ad8235bbdafbf168223ad52e61ffd604437198e96e64e5b8a245c4dcb81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 61e2ba69844743a7b30069bd9a52a03c5cbf44e7d8e2c21920355154f578b8dc
[INFO] running `"docker" "start" "-a" "61e2ba69844743a7b30069bd9a52a03c5cbf44e7d8e2c21920355154f578b8dc"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "61e2ba69844743a7b30069bd9a52a03c5cbf44e7d8e2c21920355154f578b8dc"`
[INFO] running `"docker" "rm" "-f" "61e2ba69844743a7b30069bd9a52a03c5cbf44e7d8e2c21920355154f578b8dc"`
[INFO] [stdout] 61e2ba69844743a7b30069bd9a52a03c5cbf44e7d8e2c21920355154f578b8dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 44f05a88a6a8694d85624f8593921647212222fe26ec6ffba7255dacf808a750
[INFO] running `"docker" "start" "-a" "44f05a88a6a8694d85624f8593921647212222fe26ec6ffba7255dacf808a750"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/udp_fun-af49d10d54e004ff
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "44f05a88a6a8694d85624f8593921647212222fe26ec6ffba7255dacf808a750"`
[INFO] running `"docker" "rm" "-f" "44f05a88a6a8694d85624f8593921647212222fe26ec6ffba7255dacf808a750"`
[INFO] [stdout] 44f05a88a6a8694d85624f8593921647212222fe26ec6ffba7255dacf808a750