[INFO] fetching crate iou 0.3.3... [INFO] checking iou-0.3.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate iou 0.3.3 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate iou 0.3.3 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 iou 0.3.3 [INFO] finished tweaking crates.io crate iou 0.3.3 [INFO] tweaked toml for crates.io crate iou 0.3.3 written to /workspace/builds/worker-7-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding nix v0.18.0 (latest: v0.29.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [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] c929a2453054e8ebf42b8213321de6c0825bbf5abbdfb56586a69ebac6d65c85 [INFO] running `Command { std: "docker" "start" "-a" "c929a2453054e8ebf42b8213321de6c0825bbf5abbdfb56586a69ebac6d65c85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c929a2453054e8ebf42b8213321de6c0825bbf5abbdfb56586a69ebac6d65c85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c929a2453054e8ebf42b8213321de6c0825bbf5abbdfb56586a69ebac6d65c85", kill_on_drop: false }` [INFO] [stdout] c929a2453054e8ebf42b8213321de6c0825bbf5abbdfb56586a69ebac6d65c85 [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] ef532ad3c449ad65f54fdd5fb959018a619a70cc9457df8940db338956948ed6 [INFO] running `Command { std: "docker" "start" "-a" "ef532ad3c449ad65f54fdd5fb959018a619a70cc9457df8940db338956948ed6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling uring-sys v0.7.4 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking semver v0.9.0 [INFO] [stderr] Checking iou v0.3.3 (/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/registrar/mod.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn register_buffers(&self, buffers: Vec>) [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 68 | Ok(buffers [INFO] [stdout] | ____________^ [INFO] [stdout] 69 | | .into_iter() [INFO] [stdout] 70 | | .enumerate() [INFO] [stdout] 71 | | .map(|(i, buf)| RegisteredBuf::new(i as u32, buf)) [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 `iou` (lib test) due to 2 previous errors [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/registrar/mod.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn register_buffers(&self, buffers: Vec>) [INFO] [stdout] | ----------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 68 | Ok(buffers [INFO] [stdout] | ____________^ [INFO] [stdout] 69 | | .into_iter() [INFO] [stdout] 70 | | .enumerate() [INFO] [stdout] 71 | | .map(|(i, buf)| RegisteredBuf::new(i as u32, buf)) [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 `iou` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "ef532ad3c449ad65f54fdd5fb959018a619a70cc9457df8940db338956948ed6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef532ad3c449ad65f54fdd5fb959018a619a70cc9457df8940db338956948ed6", kill_on_drop: false }` [INFO] [stdout] ef532ad3c449ad65f54fdd5fb959018a619a70cc9457df8940db338956948ed6