[INFO] fetching crate nell 0.3.0... [INFO] checking nell-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate nell 0.3.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate nell 0.3.0 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 nell 0.3.0 [INFO] finished tweaking crates.io crate nell 0.3.0 [INFO] tweaked toml for crates.io crate nell 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate nell 0.3.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 90c16ea4a49658db4d896dae3ed9421f585df2023b1176f51a4cc7c94b89007a [INFO] running `Command { std: "docker" "start" "-a" "90c16ea4a49658db4d896dae3ed9421f585df2023b1176f51a4cc7c94b89007a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90c16ea4a49658db4d896dae3ed9421f585df2023b1176f51a4cc7c94b89007a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90c16ea4a49658db4d896dae3ed9421f585df2023b1176f51a4cc7c94b89007a", kill_on_drop: false }` [INFO] [stdout] 90c16ea4a49658db4d896dae3ed9421f585df2023b1176f51a4cc7c94b89007a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] dcfa50d78b1a50936825e928a00b326ee0462b18b46bce0a22eba26a3dd9d771 [INFO] running `Command { std: "docker" "start" "-a" "dcfa50d78b1a50936825e928a00b326ee0462b18b46bce0a22eba26a3dd9d771", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling anyhow v1.0.31 [INFO] [stderr] Checking errno v0.2.5 [INFO] [stderr] Checking nell v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `attr::Value` [INFO] [stdout] --> src/sys/write/mod.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use attr::Value; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `attr::Value` [INFO] [stdout] --> src/sys/write/mod.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use attr::Value; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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/api/diag.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 37 | let info = msg.info(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | [INFO] [stdout] 39 | Ok(Diag { [INFO] [stdout] | ________^ [INFO] [stdout] 40 | | family: msg.idiag_family, [INFO] [stdout] 41 | | src: src, [INFO] [stdout] 42 | | dst: dst, [INFO] [stdout] 43 | | state: msg.idiag_state, [INFO] [stdout] 44 | | info: info, [INFO] [stdout] 45 | | }) [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/sys/write/write.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn build(self, buf: &mut [u8]) -> Result, Error> { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | let Self { head, data, tail } = self; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | Ok(Message::with(head, data, tail)) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nell` (lib) due to 3 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/api/diag.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 37 | let info = msg.info(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | [INFO] [stdout] 39 | Ok(Diag { [INFO] [stdout] | ________^ [INFO] [stdout] 40 | | family: msg.idiag_family, [INFO] [stdout] 41 | | src: src, [INFO] [stdout] 42 | | dst: dst, [INFO] [stdout] 43 | | state: msg.idiag_state, [INFO] [stdout] 44 | | info: info, [INFO] [stdout] 45 | | }) [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/sys/write/write.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn build(self, buf: &mut [u8]) -> Result, Error> { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | let Self { head, data, tail } = self; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | Ok(Message::with(head, data, tail)) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nell` (lib test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "dcfa50d78b1a50936825e928a00b326ee0462b18b46bce0a22eba26a3dd9d771", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcfa50d78b1a50936825e928a00b326ee0462b18b46bce0a22eba26a3dd9d771", kill_on_drop: false }` [INFO] [stdout] dcfa50d78b1a50936825e928a00b326ee0462b18b46bce0a22eba26a3dd9d771