[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] checking mohe2015/rust-udp against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohe2015%2Frust-udp" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mohe2015/rust-udp on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-2/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4facfb15e95bf8610f1477a2e7a4dfaec37c65dbc481601793a5087e447915b6 [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" "4facfb15e95bf8610f1477a2e7a4dfaec37c65dbc481601793a5087e447915b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4facfb15e95bf8610f1477a2e7a4dfaec37c65dbc481601793a5087e447915b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4facfb15e95bf8610f1477a2e7a4dfaec37c65dbc481601793a5087e447915b6", kill_on_drop: false }` [INFO] [stdout] 4facfb15e95bf8610f1477a2e7a4dfaec37c65dbc481601793a5087e447915b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27c610a86a4dbbbcab188bee58f71c42707c7071bfe6d2905fc0ae24f2809615 [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" "27c610a86a4dbbbcab188bee58f71c42707c7071bfe6d2905fc0ae24f2809615", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking futures-core v0.3.14 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking futures-sink v0.3.14 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.14 [INFO] [stderr] Checking futures-io v0.3.14 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking futures-channel v0.3.14 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Checking futures-util v0.3.14 [INFO] [stderr] Checking futures-executor v0.3.14 [INFO] [stderr] Checking futures v0.3.14 [INFO] [stderr] Checking 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/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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [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: 1 warning emitted [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.52s [INFO] running `Command { std: "docker" "inspect" "27c610a86a4dbbbcab188bee58f71c42707c7071bfe6d2905fc0ae24f2809615", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27c610a86a4dbbbcab188bee58f71c42707c7071bfe6d2905fc0ae24f2809615", kill_on_drop: false }` [INFO] [stdout] 27c610a86a4dbbbcab188bee58f71c42707c7071bfe6d2905fc0ae24f2809615