[INFO] cloning repository https://github.com/bschwind/udp-stress-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bschwind/udp-stress-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbschwind%2Fudp-stress-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbschwind%2Fudp-stress-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ae582a9eb84e7c8ddbdce41d0f638ca9d149e007 [INFO] checking bschwind/udp-stress-test/ae582a9eb84e7c8ddbdce41d0f638ca9d149e007 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%2Fbschwind%2Fudp-stress-test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bschwind/udp-stress-test 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/bschwind/udp-stress-test [INFO] finished tweaking git repo https://github.com/bschwind/udp-stress-test [INFO] tweaked toml for git repo https://github.com/bschwind/udp-stress-test written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bschwind/udp-stress-test 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6cbc6cc5cff8e8b7ad6f48b5a95a261b8607509ec9b19935176fe30d4279a0c2 [INFO] running `Command { std: "docker" "start" "-a" "6cbc6cc5cff8e8b7ad6f48b5a95a261b8607509ec9b19935176fe30d4279a0c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6cbc6cc5cff8e8b7ad6f48b5a95a261b8607509ec9b19935176fe30d4279a0c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cbc6cc5cff8e8b7ad6f48b5a95a261b8607509ec9b19935176fe30d4279a0c2", kill_on_drop: false }` [INFO] [stdout] 6cbc6cc5cff8e8b7ad6f48b5a95a261b8607509ec9b19935176fe30d4279a0c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b6e799cd487f9774e0f2bd20c6857ee95d9d4aa9f489e28dbf3cb99db9780924 [INFO] running `Command { std: "docker" "start" "-a" "b6e799cd487f9774e0f2bd20c6857ee95d9d4aa9f489e28dbf3cb99db9780924", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.22 [INFO] [stderr] Checking futures v0.1.13 [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking lazycell v0.4.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking unicode-segmentation v1.1.0 [INFO] [stderr] Checking vec_map v0.7.0 [INFO] [stderr] Checking bitflags v0.8.2 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.29 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking bytes v0.4.3 [INFO] [stderr] Checking clap v2.24.1 [INFO] [stderr] Checking mio v0.6.7 [INFO] [stderr] Checking tokio-io v0.1.1 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking tokio-timer v0.1.1 [INFO] [stderr] Checking tokio-core v0.1.7 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking udp-fun v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/main.rs:113:50 [INFO] [stdout] | [INFO] [stdout] 113 | fn run_server(bind_addr: &str, server_port: u16, buf: Vec, num_clients: usize) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/main.rs:113:50 [INFO] [stdout] | [INFO] [stdout] 113 | fn run_server(bind_addr: &str, server_port: u16, buf: Vec, num_clients: usize) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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:169:23 [INFO] [stdout] | [INFO] [stdout] 165 | .fold((0 as u64, sink), move |(send_count, mut sink), _| { [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 169 | ok::<_, io::Error>((send_count + 1, sink)) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `udp-fun` (bin "udp-fun") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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:169:23 [INFO] [stdout] | [INFO] [stdout] 165 | .fold((0 as u64, sink), move |(send_count, mut sink), _| { [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 169 | ok::<_, io::Error>((send_count + 1, sink)) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `udp-fun` (bin "udp-fun" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "b6e799cd487f9774e0f2bd20c6857ee95d9d4aa9f489e28dbf3cb99db9780924", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6e799cd487f9774e0f2bd20c6857ee95d9d4aa9f489e28dbf3cb99db9780924", kill_on_drop: false }` [INFO] [stdout] b6e799cd487f9774e0f2bd20c6857ee95d9d4aa9f489e28dbf3cb99db9780924