[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] checking bschwind/udp-stress-test against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbschwind%2Fudp-stress-test" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bschwind/udp-stress-test on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-12/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vec_map v0.7.0 [INFO] [stderr] Downloaded futures v0.1.13 [INFO] [stderr] Downloaded unicode-segmentation v1.1.0 [INFO] [stderr] Downloaded clap v2.24.1 [INFO] [stderr] Downloaded tokio-io v0.1.1 [INFO] [stderr] Downloaded bytes v0.4.3 [INFO] [stderr] Downloaded mio v0.6.7 [INFO] [stderr] Downloaded tokio-timer v0.1.1 [INFO] [stderr] Downloaded tokio-core v0.1.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f426c198f388132adbcb5a5e4aa1aa6b49194522af3f8dce8ed60dbb5bb75dbc [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" "f426c198f388132adbcb5a5e4aa1aa6b49194522af3f8dce8ed60dbb5bb75dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f426c198f388132adbcb5a5e4aa1aa6b49194522af3f8dce8ed60dbb5bb75dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f426c198f388132adbcb5a5e4aa1aa6b49194522af3f8dce8ed60dbb5bb75dbc", kill_on_drop: false }` [INFO] [stdout] f426c198f388132adbcb5a5e4aa1aa6b49194522af3f8dce8ed60dbb5bb75dbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5a848de2a226401aa5fb8558f30a78588763304f29313c996fe5bea27f07f16d [INFO] running `Command { std: "docker" "start" "-a" "5a848de2a226401aa5fb8558f30a78588763304f29313c996fe5bea27f07f16d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking lazycell v0.4.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking bitflags v0.8.2 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking tokio-timer v0.1.1 [INFO] [stderr] Checking net2 v0.2.29 [INFO] [stderr] Checking bytes v0.4.3 [INFO] [stderr] Checking clap v2.24.1 [INFO] [stderr] Checking mio v0.6.7 [INFO] [stderr] Checking tokio-io 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/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, 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: 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, 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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.26s [INFO] running `Command { std: "docker" "inspect" "5a848de2a226401aa5fb8558f30a78588763304f29313c996fe5bea27f07f16d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a848de2a226401aa5fb8558f30a78588763304f29313c996fe5bea27f07f16d", kill_on_drop: false }` [INFO] [stdout] 5a848de2a226401aa5fb8558f30a78588763304f29313c996fe5bea27f07f16d