[INFO] cloning repository https://github.com/bschwind/udp-stress-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bschwind/udp-stress-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbschwind%2Fudp-stress-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbschwind%2Fudp-stress-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae582a9eb84e7c8ddbdce41d0f638ca9d149e007
[INFO] testing bschwind/udp-stress-test against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbschwind%2Fudp-stress-test" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bschwind/udp-stress-test on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bschwind/udp-stress-test
[INFO] finished tweaking git repo https://github.com/bschwind/udp-stress-test
[INFO] tweaked toml for git repo https://github.com/bschwind/udp-stress-test written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/bschwind/udp-stress-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.4.3
[INFO] [stderr]   Downloaded tokio-core v0.1.7
[INFO] [stderr]   Downloaded vec_map v0.7.0
[INFO] [stderr]   Downloaded mio v0.6.7
[INFO] [stderr]   Downloaded tokio-io v0.1.1
[INFO] [stderr]   Downloaded clap v2.24.1
[INFO] [stderr]   Downloaded futures v0.1.13
[INFO] [stderr]   Downloaded tokio-timer v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79044b6d2cc7144babe14dd70b25b5961adcfd3cbcfe15c98669fe1ec05da8b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79044b6d2cc7144babe14dd70b25b5961adcfd3cbcfe15c98669fe1ec05da8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79044b6d2cc7144babe14dd70b25b5961adcfd3cbcfe15c98669fe1ec05da8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79044b6d2cc7144babe14dd70b25b5961adcfd3cbcfe15c98669fe1ec05da8b3", kill_on_drop: false }`
[INFO] [stdout] 79044b6d2cc7144babe14dd70b25b5961adcfd3cbcfe15c98669fe1ec05da8b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f675acf6b7c20e4cd67d96e13afb7d63a501f9882c34f2da5a302ca3b8c6f729
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f675acf6b7c20e4cd67d96e13afb7d63a501f9882c34f2da5a302ca3b8c6f729", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling futures v0.1.13
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling vec_map v0.7.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling net2 v0.2.29
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling bytes v0.4.3
[INFO] [stderr]    Compiling clap v2.24.1
[INFO] [stderr]    Compiling mio v0.6.7
[INFO] [stderr]    Compiling tokio-io v0.1.1
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling tokio-timer 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/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/main.rs:113:50
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn run_server(bind_addr: &str, server_port: u16, buf: Vec<u8>, num_clients: usize) {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.10s
[INFO] running `Command { std: "docker" "inspect" "f675acf6b7c20e4cd67d96e13afb7d63a501f9882c34f2da5a302ca3b8c6f729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f675acf6b7c20e4cd67d96e13afb7d63a501f9882c34f2da5a302ca3b8c6f729", kill_on_drop: false }`
[INFO] [stdout] f675acf6b7c20e4cd67d96e13afb7d63a501f9882c34f2da5a302ca3b8c6f729
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c93be20c5ab77959c00c15ce3e6711d7cbd863f41b11bf5a345b76493b517fdc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c93be20c5ab77959c00c15ce3e6711d7cbd863f41b11bf5a345b76493b517fdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling udp-fun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/main.rs:113:50
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn run_server(bind_addr: &str, server_port: u16, buf: Vec<u8>, num_clients: usize) {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "c93be20c5ab77959c00c15ce3e6711d7cbd863f41b11bf5a345b76493b517fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93be20c5ab77959c00c15ce3e6711d7cbd863f41b11bf5a345b76493b517fdc", kill_on_drop: false }`
[INFO] [stdout] c93be20c5ab77959c00c15ce3e6711d7cbd863f41b11bf5a345b76493b517fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b8f8efbb5cf953bfd14a969498b908dd4b78b11b52b445ceff553a6da90e29d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b8f8efbb5cf953bfd14a969498b908dd4b78b11b52b445ceff553a6da90e29d", kill_on_drop: false }`
[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: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/udp_fun-57983058de8ef24f
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b8f8efbb5cf953bfd14a969498b908dd4b78b11b52b445ceff553a6da90e29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b8f8efbb5cf953bfd14a969498b908dd4b78b11b52b445ceff553a6da90e29d", kill_on_drop: false }`
[INFO] [stdout] 1b8f8efbb5cf953bfd14a969498b908dd4b78b11b52b445ceff553a6da90e29d