[INFO] fetching crate ebml-iterable 0.6.3... [INFO] building ebml-iterable-0.6.3 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate ebml-iterable 0.6.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate ebml-iterable 0.6.3 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 ebml-iterable 0.6.3 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate ebml-iterable 0.6.3 [INFO] tweaked toml for crates.io crate ebml-iterable 0.6.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 21 packages to latest compatible versions [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] Downloading crates ... [INFO] [stderr] Downloaded ebml-iterable-specification-derive v0.4.0 [INFO] [stderr] Downloaded ebml-iterable-specification v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 526cd6e09c72d4a941245e2b86790147058f1852a0bae9b141269e0ea6a4d9ca [INFO] running `Command { std: "docker" "start" "-a" "526cd6e09c72d4a941245e2b86790147058f1852a0bae9b141269e0ea6a4d9ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "526cd6e09c72d4a941245e2b86790147058f1852a0bae9b141269e0ea6a4d9ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "526cd6e09c72d4a941245e2b86790147058f1852a0bae9b141269e0ea6a4d9ca", kill_on_drop: false }` [INFO] [stdout] 526cd6e09c72d4a941245e2b86790147058f1852a0bae9b141269e0ea6a4d9ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3e4782d174a6b81080111e034d0689fc7552bb02f1ef46445a9aede0ed06311d [INFO] running `Command { std: "docker" "start" "-a" "3e4782d174a6b81080111e034d0689fc7552bb02f1ef46445a9aede0ed06311d", kill_on_drop: false }` [INFO] [stderr] Compiling ebml-iterable-specification v0.4.0 [INFO] [stderr] Compiling ebml-iterable v0.6.3 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/tag_iterator.rs:476:35 [INFO] [stdout] | [INFO] [stdout] 476 | while let Some(tag) = self.tag_stack.pop() { [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] | `tag` calls a custom destructor [INFO] [stdout] | `tag` will be dropped later as of Edition 2024 [INFO] [stdout] 477 | self.emission_queue.push_back(Ok((tag.tag, tag.tag_start))); [INFO] [stdout] 478 | } [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: 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/tag_iterator.rs:528:33 [INFO] [stdout] | [INFO] [stdout] 528 | while let Some(child) = iter.next() { [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] | `child` calls a custom destructor [INFO] [stdout] | `child` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 536 | } [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: 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 `ebml-iterable` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "3e4782d174a6b81080111e034d0689fc7552bb02f1ef46445a9aede0ed06311d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e4782d174a6b81080111e034d0689fc7552bb02f1ef46445a9aede0ed06311d", kill_on_drop: false }` [INFO] [stdout] 3e4782d174a6b81080111e034d0689fc7552bb02f1ef46445a9aede0ed06311d