[INFO] updating cached repository https://github.com/BerzanXYZ/simple-blockchain-client [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 86bf692ae179aada328f1d2a1a7870b7a6bdb471 [INFO] checking BerzanXYZ/simple-blockchain-client/86bf692ae179aada328f1d2a1a7870b7a6bdb471 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBerzanXYZ%2Fsimple-blockchain-client" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BerzanXYZ/simple-blockchain-client on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/BerzanXYZ/simple-blockchain-client [INFO] finished tweaking git repo https://github.com/BerzanXYZ/simple-blockchain-client [INFO] tweaked toml for git repo https://github.com/BerzanXYZ/simple-blockchain-client written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/BerzanXYZ/simple-blockchain-client 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7130eddeea15a59cd477acd0077cf8f7676e6e1ec7284a943ff4ca8ec2078a80 [INFO] running `Command { std: "docker" "start" "-a" "7130eddeea15a59cd477acd0077cf8f7676e6e1ec7284a943ff4ca8ec2078a80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7130eddeea15a59cd477acd0077cf8f7676e6e1ec7284a943ff4ca8ec2078a80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7130eddeea15a59cd477acd0077cf8f7676e6e1ec7284a943ff4ca8ec2078a80", kill_on_drop: false }` [INFO] [stdout] 7130eddeea15a59cd477acd0077cf8f7676e6e1ec7284a943ff4ca8ec2078a80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54bc9e053b50df82a27568d5ebcc29ab3f6d85d6e2bb1c4d44886205c7e74bd5 [INFO] running `Command { std: "docker" "start" "-a" "54bc9e053b50df82a27568d5ebcc29ab3f6d85d6e2bb1c4d44886205c7e74bd5", kill_on_drop: false }` [INFO] [stderr] Checking simple-blockchain-client v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `io::BufRead`, `sleep`, `spawn`, and `time::Duration` [INFO] [stdout] --> src/client.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | io::BufRead, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 3 | net::{SocketAddr, UdpSocket}, [INFO] [stdout] 4 | thread::{sleep, spawn}, [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] 5 | time::Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::BufRead` [INFO] [stdout] --> src/client.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | io::BufRead, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Client` is never constructed [INFO] [stdout] --> src/client.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Client { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `join_consensus`, `recv_msg`, `send_msg`, and `start` are never used [INFO] [stdout] --> src/client.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl Client { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 16 | pub fn new() -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn join_consensus(&mut self, client_addr: SocketAddr) -> Result<(), ()> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | fn recv_msg(&self, buf: &mut [u8]) -> Result<(Message, SocketAddr), ()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | fn send_msg(&self, msg: &Message, to: SocketAddr) -> Result<(), ()> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn start(&mut self) { [INFO] [stdout] | ^^^^^ [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/client.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | let socket = UdpSocket::bind("127.0.0.1:5555").map_err(|_| ())?; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 18 | Ok(Client { [INFO] [stdout] | ____________^ [INFO] [stdout] 19 | | socket, [INFO] [stdout] 20 | | others: vec![], [INFO] [stdout] 21 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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: aborting due to 1 previous error; 3 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/client.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | let socket = UdpSocket::bind("127.0.0.1:5555").map_err(|_| ())?; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 18 | Ok(Client { [INFO] [stdout] | ____________^ [INFO] [stdout] 19 | | socket, [INFO] [stdout] 20 | | others: vec![], [INFO] [stdout] 21 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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] [stderr] error: could not compile `simple-blockchain-client` (bin "simple-blockchain-client") due to 2 previous errors; 3 warnings emitted [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/client.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 26 | let socket = UdpSocket::bind("127.0.0.1:4444").map_err(|_| ())?; [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 27 | Ok(Client { [INFO] [stdout] | ____________^ [INFO] [stdout] 28 | | socket, [INFO] [stdout] 29 | | others: vec![], [INFO] [stdout] 30 | | }) [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_________| [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `simple-blockchain-client` (bin "simple-blockchain-client" test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "54bc9e053b50df82a27568d5ebcc29ab3f6d85d6e2bb1c4d44886205c7e74bd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54bc9e053b50df82a27568d5ebcc29ab3f6d85d6e2bb1c4d44886205c7e74bd5", kill_on_drop: false }` [INFO] [stdout] 54bc9e053b50df82a27568d5ebcc29ab3f6d85d6e2bb1c4d44886205c7e74bd5