[INFO] fetching crate flowfairy_api 0.2.2... [INFO] checking flowfairy_api-0.2.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate flowfairy_api 0.2.2 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate flowfairy_api 0.2.2 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 flowfairy_api 0.2.2 [INFO] finished tweaking crates.io crate flowfairy_api 0.2.2 [INFO] tweaked toml for crates.io crate flowfairy_api 0.2.2 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 18 packages to latest compatible versions [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] a279015695f6cb4e696921c31caf78d1a8056f48fecc893f076adf95f748b716 [INFO] running `Command { std: "docker" "start" "-a" "a279015695f6cb4e696921c31caf78d1a8056f48fecc893f076adf95f748b716", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a279015695f6cb4e696921c31caf78d1a8056f48fecc893f076adf95f748b716", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a279015695f6cb4e696921c31caf78d1a8056f48fecc893f076adf95f748b716", kill_on_drop: false }` [INFO] [stdout] a279015695f6cb4e696921c31caf78d1a8056f48fecc893f076adf95f748b716 [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] a6de25a308139ecefef561305489cabf5da19192d455ebbf20b9a6790641b77d [INFO] running `Command { std: "docker" "start" "-a" "a6de25a308139ecefef561305489cabf5da19192d455ebbf20b9a6790641b77d", kill_on_drop: false }` [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking flowfairy_api v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `byte_slice_trim_ascii` has been stable since 1.80.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | #![feature(byte_slice_trim_ascii)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `byte_slice_trim_ascii` has been stable since 1.80.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | #![feature(byte_slice_trim_ascii)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `events` is never read [INFO] [stdout] --> src/fcs.rs:228:13 [INFO] [stdout] | [INFO] [stdout] 228 | let mut events = Vec::with_capacity(n_events); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `events` is never read [INFO] [stdout] --> src/fcs.rs:228:13 [INFO] [stdout] | [INFO] [stdout] 228 | let mut events = Vec::with_capacity(n_events); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` 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/fcs.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 92 | let file = File::open(path)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 93 | [INFO] [stdout] 94 | Ok(Self { inner: file }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/fcs.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 92 | let file = File::open(path)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 93 | [INFO] [stdout] 94 | Ok(Self { inner: file }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `flowfairy_api` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `flowfairy_api` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a6de25a308139ecefef561305489cabf5da19192d455ebbf20b9a6790641b77d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6de25a308139ecefef561305489cabf5da19192d455ebbf20b9a6790641b77d", kill_on_drop: false }` [INFO] [stdout] a6de25a308139ecefef561305489cabf5da19192d455ebbf20b9a6790641b77d