[INFO] updating cached repository https://github.com/mattyw/rust-udp-play [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0adcf9c2b65f1ad7c3d2ad2e317420338960483c [INFO] testing mattyw/rust-udp-play against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattyw%2Frust-udp-play" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mattyw/rust-udp-play on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mattyw/rust-udp-play [INFO] finished tweaking git repo https://github.com/mattyw/rust-udp-play [INFO] tweaked toml for git repo https://github.com/mattyw/rust-udp-play written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/mattyw/rust-udp-play already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f65570d473f033f917ce94570b13d9dd3dbdf3f67ac7c8bc8230f105561e72e5 [INFO] running `"docker" "start" "-a" "f65570d473f033f917ce94570b13d9dd3dbdf3f67ac7c8bc8230f105561e72e5"` [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `Receiver`, `Sender` [INFO] [stderr] --> src/main.rs:3:23 [INFO] [stderr] | [INFO] [stderr] 3 | use std::sync::mpsc::{Sender, Receiver}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::mpsc; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | for i in 0..50 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `listen_on` [INFO] [stderr] --> src/main.rs:37:52 [INFO] [stderr] | [INFO] [stderr] 37 | fn listen(server_name: &str, sock: net::UdpSocket, listen_on: net::SocketAddr) { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listen_on` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let mut socket; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | sock.send_to(&msg, addr); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `"docker" "inspect" "f65570d473f033f917ce94570b13d9dd3dbdf3f67ac7c8bc8230f105561e72e5"` [INFO] running `"docker" "rm" "-f" "f65570d473f033f917ce94570b13d9dd3dbdf3f67ac7c8bc8230f105561e72e5"` [INFO] [stdout] f65570d473f033f917ce94570b13d9dd3dbdf3f67ac7c8bc8230f105561e72e5 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0d4353c5b88e8c94e1f13efb0b190c6bab5dd14498da1c0bbc6da60eb1d9ac51 [INFO] running `"docker" "start" "-a" "0d4353c5b88e8c94e1f13efb0b190c6bab5dd14498da1c0bbc6da60eb1d9ac51"` [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `Receiver`, `Sender` [INFO] [stderr] --> src/main.rs:3:23 [INFO] [stderr] | [INFO] [stderr] 3 | use std::sync::mpsc::{Sender, Receiver}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::mpsc; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | for i in 0..50 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `listen_on` [INFO] [stderr] --> src/main.rs:37:52 [INFO] [stderr] | [INFO] [stderr] 37 | fn listen(server_name: &str, sock: net::UdpSocket, listen_on: net::SocketAddr) { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listen_on` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let mut socket; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | sock.send_to(&msg, addr); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `"docker" "inspect" "0d4353c5b88e8c94e1f13efb0b190c6bab5dd14498da1c0bbc6da60eb1d9ac51"` [INFO] running `"docker" "rm" "-f" "0d4353c5b88e8c94e1f13efb0b190c6bab5dd14498da1c0bbc6da60eb1d9ac51"` [INFO] [stdout] 0d4353c5b88e8c94e1f13efb0b190c6bab5dd14498da1c0bbc6da60eb1d9ac51 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 65a7dbd6c1b1e95983e590b86ba4827fb06f127967ed216f467b30823f6cd334 [INFO] running `"docker" "start" "-a" "65a7dbd6c1b1e95983e590b86ba4827fb06f127967ed216f467b30823f6cd334"` [INFO] [stderr] warning: unused imports: `Receiver`, `Sender` [INFO] [stderr] --> src/main.rs:3:23 [INFO] [stderr] | [INFO] [stderr] 3 | use std::sync::mpsc::{Sender, Receiver}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::mpsc; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | for i in 0..50 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `listen_on` [INFO] [stderr] --> src/main.rs:37:52 [INFO] [stderr] | [INFO] [stderr] 37 | fn listen(server_name: &str, sock: net::UdpSocket, listen_on: net::SocketAddr) { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listen_on` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let mut socket; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | sock.send_to(&msg, addr); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hello-3d50413d1484a149 [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" "65a7dbd6c1b1e95983e590b86ba4827fb06f127967ed216f467b30823f6cd334"` [INFO] running `"docker" "rm" "-f" "65a7dbd6c1b1e95983e590b86ba4827fb06f127967ed216f467b30823f6cd334"` [INFO] [stdout] 65a7dbd6c1b1e95983e590b86ba4827fb06f127967ed216f467b30823f6cd334