[INFO] cloning repository https://github.com/mohe2015/rust-udp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mohe2015/rust-udp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohe2015%2Frust-udp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohe2015%2Frust-udp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e49ea42e08ea8269e47647a38367feca16bdb65d [INFO] testing mohe2015/rust-udp against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohe2015%2Frust-udp" "/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/mohe2015/rust-udp on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mohe2015/rust-udp [INFO] finished tweaking git repo https://github.com/mohe2015/rust-udp [INFO] tweaked toml for git repo https://github.com/mohe2015/rust-udp written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/mohe2015/rust-udp already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1345db995037ebfa78023688cabd483ddcc4f9fb9710ecb7d0b10954be9ef9a0 [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" "1345db995037ebfa78023688cabd483ddcc4f9fb9710ecb7d0b10954be9ef9a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1345db995037ebfa78023688cabd483ddcc4f9fb9710ecb7d0b10954be9ef9a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1345db995037ebfa78023688cabd483ddcc4f9fb9710ecb7d0b10954be9ef9a0", kill_on_drop: false }` [INFO] [stdout] 1345db995037ebfa78023688cabd483ddcc4f9fb9710ecb7d0b10954be9ef9a0 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 10cc685b75c43361a51ce623542e554d02eff33a00977b0f27ff39f8ea2bb313 [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" "10cc685b75c43361a51ce623542e554d02eff33a00977b0f27ff39f8ea2bb313", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-sink v0.3.14 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling futures-io v0.3.14 [INFO] [stderr] Compiling futures-task v0.3.14 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling lock_api v0.4.3 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-channel v0.3.14 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling socket2 v0.4.0 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling futures-util v0.3.14 [INFO] [stderr] Compiling futures-executor v0.3.14 [INFO] [stderr] Compiling futures v0.3.14 [INFO] [stderr] Compiling rust-udp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/bin/server/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let len = socket.send_to(&buf[..len], addr).await?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/bin/client/main.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let len = socket.send_to(&buf, addr).await?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/bin/client/main.rs:17:14 [INFO] [stdout] | [INFO] [stdout] 17 | let (len, addr) = socket.recv_from(&mut buf).await?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/bin/client/main.rs:17:19 [INFO] [stdout] | [INFO] [stdout] 17 | let (len, addr) = socket.recv_from(&mut buf).await?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.21s [INFO] running `Command { std: "docker" "inspect" "10cc685b75c43361a51ce623542e554d02eff33a00977b0f27ff39f8ea2bb313", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10cc685b75c43361a51ce623542e554d02eff33a00977b0f27ff39f8ea2bb313", kill_on_drop: false }` [INFO] [stdout] 10cc685b75c43361a51ce623542e554d02eff33a00977b0f27ff39f8ea2bb313 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--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] 5727e94b069ef33801dcea97025641f74130004402cb0554520e97d70589a240 [INFO] running `Command { std: "docker" "start" "-a" "5727e94b069ef33801dcea97025641f74130004402cb0554520e97d70589a240", kill_on_drop: false }` [INFO] [stderr] Compiling rust-udp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/bin/client/main.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | let len = socket.send_to(&buf, addr).await?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/bin/client/main.rs:17:14 [INFO] [stdout] | [INFO] [stdout] 17 | let (len, addr) = socket.recv_from(&mut buf).await?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/bin/client/main.rs:17:19 [INFO] [stdout] | [INFO] [stdout] 17 | let (len, addr) = socket.recv_from(&mut buf).await?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `len` [INFO] [stdout] --> src/bin/server/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let len = socket.send_to(&buf[..len], addr).await?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `Command { std: "docker" "inspect" "5727e94b069ef33801dcea97025641f74130004402cb0554520e97d70589a240", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5727e94b069ef33801dcea97025641f74130004402cb0554520e97d70589a240", kill_on_drop: false }` [INFO] [stdout] 5727e94b069ef33801dcea97025641f74130004402cb0554520e97d70589a240 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", 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] 3b779c3f1806d3ea80fcf3810006b3767823636d7853c9f6b3993a27c1e0a4fd [INFO] running `Command { std: "docker" "start" "-a" "3b779c3f1806d3ea80fcf3810006b3767823636d7853c9f6b3993a27c1e0a4fd", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/bin/client/main.rs:14:13 [INFO] [stderr] | [INFO] [stderr] 14 | let len = socket.send_to(&buf, addr).await?; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/bin/client/main.rs:17:14 [INFO] [stderr] | [INFO] [stderr] 17 | let (len, addr) = socket.recv_from(&mut buf).await?; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/bin/client/main.rs:17:19 [INFO] [stderr] | [INFO] [stderr] 17 | let (len, addr) = socket.recv_from(&mut buf).await?; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/bin/server/main.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | let len = socket.send_to(&buf[..len], addr).await?; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_len` [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 0.04s [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/client-b38bae60facd352d) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/server-b4d724386cf03049) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3b779c3f1806d3ea80fcf3810006b3767823636d7853c9f6b3993a27c1e0a4fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b779c3f1806d3ea80fcf3810006b3767823636d7853c9f6b3993a27c1e0a4fd", kill_on_drop: false }` [INFO] [stdout] 3b779c3f1806d3ea80fcf3810006b3767823636d7853c9f6b3993a27c1e0a4fd