[INFO] cloning repository https://github.com/PhilippRados/rucc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhilippRados/rucc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilippRados%2Frucc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilippRados%2Frucc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 53bf961d9e5fed68831b2cab4cdb4f77f90ba8f5 [INFO] building PhilippRados/rucc against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilippRados%2Frucc" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PhilippRados/rucc 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 git repo https://github.com/PhilippRados/rucc [INFO] finished tweaking git repo https://github.com/PhilippRados/rucc [INFO] tweaked toml for git repo https://github.com/PhilippRados/rucc written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/PhilippRados/rucc 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b928455d554df4713965dbf51c6189763c2f3091fbfda25a568deac258106926 [INFO] running `Command { std: "docker" "start" "-a" "b928455d554df4713965dbf51c6189763c2f3091fbfda25a568deac258106926", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b928455d554df4713965dbf51c6189763c2f3091fbfda25a568deac258106926", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b928455d554df4713965dbf51c6189763c2f3091fbfda25a568deac258106926", kill_on_drop: false }` [INFO] [stdout] b928455d554df4713965dbf51c6189763c2f3091fbfda25a568deac258106926 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5b93b33b373168c3ffbd73ed96e9527ec684e990cbab017fd655ebb2c37cac55 [INFO] running `Command { std: "docker" "start" "-a" "5b93b33b373168c3ffbd73ed96e9527ec684e990cbab017fd655ebb2c37cac55", kill_on_drop: false }` [INFO] [stderr] Compiling wrecc_compiler v0.2.0 (/opt/rustwide/workdir/wrecc_compiler) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> wrecc_compiler/src/compiler/codegen/register_allocation.rs:295:46 [INFO] [stdout] | [INFO] [stdout] 295 | if let Some(expired_intervals) = self.live_intervals.remove(&key) { [INFO] [stdout] | ----------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] | `expired_intervals` calls a custom destructor [INFO] [stdout] | `expired_intervals` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 306 | } [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: `#1` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `expired_intervals` may invoke a custom destructor because it contains a trait object [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] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> wrecc_compiler/src/compiler/codegen/mod.rs:395:17 [INFO] [stdout] | [INFO] [stdout] 373 | for declarator in declarators { [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] | `declarator` calls a custom destructor [INFO] [stdout] | `declarator` will be dropped later as of Edition 2024 [INFO] [stdout] 374 | let var_symbol = declarator.entry.borrow().clone(); [INFO] [stdout] | ---------- ------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | | `#2` will be dropped later as of Edition 2024 [INFO] [stdout] | `var_symbol` calls a custom destructor [INFO] [stdout] | `var_symbol` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 395 | / declarator [INFO] [stdout] 396 | | .entry [INFO] [stdout] 397 | | .borrow_mut() [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | |_________________________________this value will be stored in a temporary; let us call it `#3` [INFO] [stdout] | up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 403 | } [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: `#3` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/core/src/cell.rs:1804:1 [INFO] [stdout] = note: `#1` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `declarator` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `var_symbol` may invoke a custom destructor because it contains a trait object [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/core/src/cell.rs:1434:1 [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] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> wrecc_compiler/src/compiler/codegen/mod.rs:523:21 [INFO] [stdout] | [INFO] [stdout] 491 | for declarator in declarators { [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] | `declarator` calls a custom destructor [INFO] [stdout] | `declarator` will be dropped later as of Edition 2024 [INFO] [stdout] 492 | let var_symbol = declarator.entry.borrow().clone(); [INFO] [stdout] | ---------- ------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | | `#2` will be dropped later as of Edition 2024 [INFO] [stdout] | `var_symbol` calls a custom destructor [INFO] [stdout] | `var_symbol` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 505 | / declarator [INFO] [stdout] 506 | | .entry [INFO] [stdout] 507 | | .borrow_mut() [INFO] [stdout] | | - [INFO] [stdout] | | | [INFO] [stdout] | |_____________________________________this value will be stored in a temporary; let us call it `#3` [INFO] [stdout] | `#3` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 523 | / declarator [INFO] [stdout] 524 | | .entry [INFO] [stdout] 525 | | .borrow_mut() [INFO] [stdout] | | ^ [INFO] [stdout] | |_____________________________________| [INFO] [stdout] | |_____________________________________this value will be stored in a temporary; let us call it `#4` [INFO] [stdout] | up until Edition 2021 `#4` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 531 | | } [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: `#4` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/core/src/cell.rs:1804:1 [INFO] [stdout] = note: `#1` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `declarator` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `var_symbol` may invoke a custom destructor because it contains a trait object [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/core/src/cell.rs:1434:1 [INFO] [stdout] note: `#3` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/core/src/cell.rs:1804:1 [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] [INFO] [stdout] [INFO] [stderr] error: could not compile `wrecc_compiler` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "5b93b33b373168c3ffbd73ed96e9527ec684e990cbab017fd655ebb2c37cac55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b93b33b373168c3ffbd73ed96e9527ec684e990cbab017fd655ebb2c37cac55", kill_on_drop: false }` [INFO] [stdout] 5b93b33b373168c3ffbd73ed96e9527ec684e990cbab017fd655ebb2c37cac55