[INFO] fetching crate zasa_derive 0.2.1... [INFO] building zasa_derive-0.2.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate zasa_derive 0.2.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate zasa_derive 0.2.1 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate zasa_derive 0.2.1 [INFO] finished tweaking crates.io crate zasa_derive 0.2.1 [INFO] tweaked toml for crates.io crate zasa_derive 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate zasa_derive 0.2.1 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d77ef8ab8db8b70c501aab41d3a7773cba261e02740801a4250f0ad49a36f64 [INFO] running `Command { std: "docker" "start" "-a" "0d77ef8ab8db8b70c501aab41d3a7773cba261e02740801a4250f0ad49a36f64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d77ef8ab8db8b70c501aab41d3a7773cba261e02740801a4250f0ad49a36f64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d77ef8ab8db8b70c501aab41d3a7773cba261e02740801a4250f0ad49a36f64", kill_on_drop: false }` [INFO] [stdout] 0d77ef8ab8db8b70c501aab41d3a7773cba261e02740801a4250f0ad49a36f64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1eac1d44107cf028a08f5672d7746ceb7bd7e3a63d2615ad4801062ab4eb501d [INFO] running `Command { std: "docker" "start" "-a" "1eac1d44107cf028a08f5672d7746ceb7bd7e3a63d2615ad4801062ab4eb501d", kill_on_drop: false }` [INFO] [stderr] Compiling zasa_derive v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/lib.rs:85:31 [INFO] [stdout] | [INFO] [stdout] 74 | while let Some(token) = struct_group_iter.next() { [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | `token` calls a custom destructor [INFO] [stdout] | `token` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 79 | "pub" => struct_group_iter.next().unwrap().to_string(), [INFO] [stdout] | --------------------------------- [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | `#1` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 82 | let next_token = struct_group_iter.next().unwrap(); [INFO] [stdout] | ---------- [INFO] [stdout] | | [INFO] [stdout] | `next_token` calls a custom destructor [INFO] [stdout] | `next_token` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 85 | match struct_group_iter.next().unwrap() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 93 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `token` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `next_token` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] = note: this error originates in the macro `define_client_handles` which comes from the expansion of the macro `with_api_handle_types` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/lib.rs:74:29 [INFO] [stdout] | [INFO] [stdout] 74 | while let Some(token) = struct_group_iter.next() { [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | | up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] | `token` calls a custom destructor [INFO] [stdout] | `token` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 79 | "pub" => struct_group_iter.next().unwrap().to_string(), [INFO] [stdout] | --------------------------------- [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | `#1` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 82 | let next_token = struct_group_iter.next().unwrap(); [INFO] [stdout] | ---------- [INFO] [stdout] | | [INFO] [stdout] | `next_token` calls a custom destructor [INFO] [stdout] | `next_token` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 108 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `token` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `next_token` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: this error originates in the macro `define_client_handles` which comes from the expansion of the macro `with_api_handle_types` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `zasa_derive` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "1eac1d44107cf028a08f5672d7746ceb7bd7e3a63d2615ad4801062ab4eb501d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eac1d44107cf028a08f5672d7746ceb7bd7e3a63d2615ad4801062ab4eb501d", kill_on_drop: false }` [INFO] [stdout] 1eac1d44107cf028a08f5672d7746ceb7bd7e3a63d2615ad4801062ab4eb501d