[INFO] fetching crate edge-mdns 0.2.0... [INFO] checking edge-mdns-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate edge-mdns 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate edge-mdns 0.2.0 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 crates.io crate edge-mdns 0.2.0 [INFO] finished tweaking crates.io crate edge-mdns 0.2.0 [INFO] tweaked toml for crates.io crate edge-mdns 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 48 packages to latest compatible versions [INFO] [stderr] Adding domain v0.9.3 (latest: v0.10.1) [INFO] [stderr] Adding embassy-sync v0.5.0 (latest: v0.6.0) [INFO] [stderr] Adding embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding hash32 v0.2.1 (latest: v0.3.1) [INFO] [stderr] Adding heapless v0.7.17 (latest: v0.8.0) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [INFO] [stderr] Adding octseq v0.3.2 (latest: v0.5.1) [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9afb49343cc355b83714f746bd27fe96708750e08743376593c8cd94a17be979 [INFO] running `Command { std: "docker" "start" "-a" "9afb49343cc355b83714f746bd27fe96708750e08743376593c8cd94a17be979", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9afb49343cc355b83714f746bd27fe96708750e08743376593c8cd94a17be979", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9afb49343cc355b83714f746bd27fe96708750e08743376593c8cd94a17be979", kill_on_drop: false }` [INFO] [stdout] 9afb49343cc355b83714f746bd27fe96708750e08743376593c8cd94a17be979 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9dc2b33c9a0ea877f467a9dbc9a6c1d2f6eec2538203a4a689def1e8670193bd [INFO] running `Command { std: "docker" "start" "-a" "9dc2b33c9a0ea877f467a9dbc9a6c1d2f6eec2538203a4a689def1e8670193bd", kill_on_drop: false }` [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling embedded-io-async v0.6.1 [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Checking embedded-io v0.6.1 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling embedded-hal-async v1.0.0 [INFO] [stderr] Compiling embassy-time-driver v0.1.0 [INFO] [stderr] Compiling embedded-nal-async v0.7.1 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking hash32 v0.3.1 [INFO] [stderr] Compiling litrs v0.4.1 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling embassy-time-queue-driver v0.1.0 [INFO] [stderr] Checking no-std-net v0.6.0 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Compiling embassy-sync v0.5.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking embedded-hal v1.0.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking num-conv v0.1.0 [INFO] [stderr] Checking critical-section v1.1.3 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking time-core v0.1.2 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking embedded-nal v0.8.0 [INFO] [stderr] Checking embassy-futures v0.1.1 [INFO] [stderr] Checking embedded-nal-async-xtra v0.2.0 [INFO] [stderr] Compiling document-features v0.2.10 [INFO] [stderr] Checking octseq v0.3.2 [INFO] [stderr] Checking time v0.3.36 [INFO] [stderr] Checking domain v0.9.3 [INFO] [stderr] Checking embassy-time v0.3.2 [INFO] [stderr] Checking edge-mdns v0.2.0 (/opt/rustwide/workdir) [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/lib.rs:423:21 [INFO] [stdout] | [INFO] [stdout] 410 | let mut octets = heapless07::Vec::<_, 256>::new(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 423 | answer.push((self.service_fqdn(false).unwrap(), Class::In, ttl_sec, txt)) [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 [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/lib.rs:423:21 [INFO] [stdout] | [INFO] [stdout] 410 | let mut octets = heapless07::Vec::<_, 256>::new(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 423 | answer.push((self.service_fqdn(false).unwrap(), Class::In, ttl_sec, txt)) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `edge-mdns` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `edge-mdns` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "9dc2b33c9a0ea877f467a9dbc9a6c1d2f6eec2538203a4a689def1e8670193bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dc2b33c9a0ea877f467a9dbc9a6c1d2f6eec2538203a4a689def1e8670193bd", kill_on_drop: false }` [INFO] [stdout] 9dc2b33c9a0ea877f467a9dbc9a6c1d2f6eec2538203a4a689def1e8670193bd