[INFO] fetching crate ezmenulib 0.2.10... [INFO] building ezmenulib-0.2.10 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate ezmenulib 0.2.10 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate ezmenulib 0.2.10 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 ezmenulib 0.2.10 [INFO] finished tweaking crates.io crate ezmenulib 0.2.10 [INFO] tweaked toml for crates.io crate ezmenulib 0.2.10 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate ezmenulib 0.2.10 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 474fb48f946376ff3c43e5fc5a0f1a9750064a0dcdcce46d68e502e300fde57e [INFO] running `Command { std: "docker" "start" "-a" "474fb48f946376ff3c43e5fc5a0f1a9750064a0dcdcce46d68e502e300fde57e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "474fb48f946376ff3c43e5fc5a0f1a9750064a0dcdcce46d68e502e300fde57e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "474fb48f946376ff3c43e5fc5a0f1a9750064a0dcdcce46d68e502e300fde57e", kill_on_drop: false }` [INFO] [stdout] 474fb48f946376ff3c43e5fc5a0f1a9750064a0dcdcce46d68e502e300fde57e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9608ceb92d59b64f6b4653a27892fecbbcf8c90ea659867ef86bce211e7bf3b0 [INFO] running `Command { std: "docker" "start" "-a" "9608ceb92d59b64f6b4653a27892fecbbcf8c90ea659867ef86bce211e7bf3b0", kill_on_drop: false }` [INFO] [stderr] Compiling ezmenulib v0.2.10 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/menu.rs:565:19 [INFO] [stdout] | [INFO] [stdout] 565 | match select(&mut self.stream, self.prefix, self.default, &self.fields) { [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] 569 | break Ok(default_parse(default, &self.fields, &mut self.stream)?); [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] 573 | } [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` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `#1` 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] --> src/menu.rs:586:19 [INFO] [stdout] | [INFO] [stdout] 586 | match select(stream, self.prefix, self.default, &self.fields) { [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] 590 | break Ok(default_parse(default, &self.fields, stream)?); [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] 594 | } [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` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: `#1` 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] [INFO] [stdout] [INFO] [stderr] error: could not compile `ezmenulib` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "9608ceb92d59b64f6b4653a27892fecbbcf8c90ea659867ef86bce211e7bf3b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9608ceb92d59b64f6b4653a27892fecbbcf8c90ea659867ef86bce211e7bf3b0", kill_on_drop: false }` [INFO] [stdout] 9608ceb92d59b64f6b4653a27892fecbbcf8c90ea659867ef86bce211e7bf3b0