[INFO] cloning repository https://github.com/thomas9911/udp_tester [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomas9911/udp_tester" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fudp_tester", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fudp_tester'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 973763d5ce32a72a1b61e64e075522c4d9c9e2a1 [INFO] checking thomas9911/udp_tester against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fudp_tester" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thomas9911/udp_tester on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/thomas9911/udp_tester [INFO] finished tweaking git repo https://github.com/thomas9911/udp_tester [INFO] tweaked toml for git repo https://github.com/thomas9911/udp_tester written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/thomas9911/udp_tester already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/appsignal/statsd_parser` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded influxdb_derive v0.5.1 [INFO] [stderr] Downloaded influxdb v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be36bab7232aa6c3aecf1b6536a729fa21229119832ce28e38f00dd3d2f359ac [INFO] running `Command { std: "docker" "start" "-a" "be36bab7232aa6c3aecf1b6536a729fa21229119832ce28e38f00dd3d2f359ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be36bab7232aa6c3aecf1b6536a729fa21229119832ce28e38f00dd3d2f359ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be36bab7232aa6c3aecf1b6536a729fa21229119832ce28e38f00dd3d2f359ac", kill_on_drop: false }` [INFO] [stdout] be36bab7232aa6c3aecf1b6536a729fa21229119832ce28e38f00dd3d2f359ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d22eea6eab280a04647e2e914b03b10bf63ddc07432f4ba52a1fc87bbe03192 [INFO] running `Command { std: "docker" "start" "-a" "0d22eea6eab280a04647e2e914b03b10bf63ddc07432f4ba52a1fc87bbe03192", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.63 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio v1.29.0 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking statsd-parser v0.3.0 (https://github.com/appsignal/statsd_parser?rev=4ab5574fc409b4727c5c019aef0d75253005477d#4ab5574f) [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling syn v2.0.22 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking tokio-util v0.6.10 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking datadog_dev_server v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> examples/ping.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 7 | / loop { [INFO] [stdout] 8 | | let mut buffer = String::new(); [INFO] [stdout] 9 | | std::io::stdin().read_to_string(&mut buffer)?; [INFO] [stdout] ... | [INFO] [stdout] 18 | | println!("{:?}", std::str::from_utf8(&buf[0..amt])); [INFO] [stdout] 19 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 20 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> examples/ping.rs:15:19 [INFO] [stdout] | [INFO] [stdout] 15 | let (amt, src) = socket.recv_from(&mut buf)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.19s [INFO] running `Command { std: "docker" "inspect" "0d22eea6eab280a04647e2e914b03b10bf63ddc07432f4ba52a1fc87bbe03192", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d22eea6eab280a04647e2e914b03b10bf63ddc07432f4ba52a1fc87bbe03192", kill_on_drop: false }` [INFO] [stdout] 0d22eea6eab280a04647e2e914b03b10bf63ddc07432f4ba52a1fc87bbe03192 [INFO] checking thomas9911/udp_tester against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fudp_tester" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thomas9911/udp_tester on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/thomas9911/udp_tester [INFO] finished tweaking git repo https://github.com/thomas9911/udp_tester [INFO] tweaked toml for git repo https://github.com/thomas9911/udp_tester written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/thomas9911/udp_tester already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cffdd3ba77e269a3c6ab1c62cbd8423fcafa6f5f1abd1219688a6f30e84f5a81 [INFO] running `Command { std: "docker" "start" "-a" "cffdd3ba77e269a3c6ab1c62cbd8423fcafa6f5f1abd1219688a6f30e84f5a81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cffdd3ba77e269a3c6ab1c62cbd8423fcafa6f5f1abd1219688a6f30e84f5a81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cffdd3ba77e269a3c6ab1c62cbd8423fcafa6f5f1abd1219688a6f30e84f5a81", kill_on_drop: false }` [INFO] [stdout] cffdd3ba77e269a3c6ab1c62cbd8423fcafa6f5f1abd1219688a6f30e84f5a81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b36fd0d23f19fc9dd209a7ce0c3c673c647a56accd25935507b1e7e7bd89da3 [INFO] running `Command { std: "docker" "start" "-a" "4b36fd0d23f19fc9dd209a7ce0c3c673c647a56accd25935507b1e7e7bd89da3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.63 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio v1.29.0 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Checking statsd-parser v0.3.0 (https://github.com/appsignal/statsd_parser?rev=4ab5574fc409b4727c5c019aef0d75253005477d#4ab5574f) [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling syn v2.0.22 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking tokio-util v0.6.10 [INFO] [stderr] Checking datadog_dev_server v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> examples/ping.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 7 | / loop { [INFO] [stdout] 8 | | let mut buffer = String::new(); [INFO] [stdout] 9 | | std::io::stdin().read_to_string(&mut buffer)?; [INFO] [stdout] ... | [INFO] [stdout] 18 | | println!("{:?}", std::str::from_utf8(&buf[0..amt])); [INFO] [stdout] 19 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 20 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `src` [INFO] [stdout] --> examples/ping.rs:15:19 [INFO] [stdout] | [INFO] [stdout] 15 | let (amt, src) = socket.recv_from(&mut buf)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:226:5 [INFO] [stdout] | [INFO] [stdout] 220 | let cfg = Config::from_args(); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 226 | runtime().block_on(server(cfg)) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:226:24 [INFO] [stdout] | [INFO] [stdout] 220 | let cfg = Config::from_args(); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 226 | runtime().block_on(server(cfg)) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:226:5 [INFO] [stdout] | [INFO] [stdout] 220 | let cfg = Config::from_args(); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 226 | runtime().block_on(server(cfg)) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:226:24 [INFO] [stdout] | [INFO] [stdout] 220 | let cfg = Config::from_args(); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 226 | runtime().block_on(server(cfg)) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `datadog_dev_server` (bin "datadog_dev_server") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `datadog_dev_server` (bin "datadog_dev_server" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "4b36fd0d23f19fc9dd209a7ce0c3c673c647a56accd25935507b1e7e7bd89da3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b36fd0d23f19fc9dd209a7ce0c3c673c647a56accd25935507b1e7e7bd89da3", kill_on_drop: false }` [INFO] [stdout] 4b36fd0d23f19fc9dd209a7ce0c3c673c647a56accd25935507b1e7e7bd89da3