[INFO] fetching crate mdbook_fork4ls 0.4.41-patch.2... [INFO] checking mdbook_fork4ls-0.4.41-patch.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate mdbook_fork4ls 0.4.41-patch.2 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate mdbook_fork4ls 0.4.41-patch.2 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mdbook_fork4ls 0.4.41-patch.2 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate mdbook_fork4ls 0.4.41-patch.2 [INFO] tweaked toml for crates.io crate mdbook_fork4ls 0.4.41-patch.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate mdbook_fork4ls 0.4.41-patch.2 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53e04fe357eb3866576dfa18553526cb806480f5fced916fb7f99cdc0c807e34 [INFO] running `Command { std: "docker" "start" "-a" "53e04fe357eb3866576dfa18553526cb806480f5fced916fb7f99cdc0c807e34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53e04fe357eb3866576dfa18553526cb806480f5fced916fb7f99cdc0c807e34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53e04fe357eb3866576dfa18553526cb806480f5fced916fb7f99cdc0c807e34", kill_on_drop: false }` [INFO] [stdout] 53e04fe357eb3866576dfa18553526cb806480f5fced916fb7f99cdc0c807e34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9c3cd1a90674b5ac27f9f462c411a64dd8c9fd0d53ce6094fe879cc58c464867 [INFO] running `Command { std: "docker" "start" "-a" "9c3cd1a90674b5ac27f9f462c411a64dd8c9fd0d53ce6094fe879cc58c464867", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking new_debug_unreachable v1.0.6 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Compiling syn v2.0.68 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Checking tinyvec v1.6.1 [INFO] [stderr] Compiling phf_shared v0.11.2 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Checking futf v0.1.5 [INFO] [stderr] Compiling memchr v2.7.4 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[INFO] [stdout] ... [INFO] [stdout] 191 | let event = $stream.next().map(|(ev, _range)| ev); [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 543 | match self.next_event() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [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: this value of type `std::option::Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/config.rs:198:15 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn get_deserialized<'de, T: Deserialize<'de>, S: AsRef>(&self, name: S) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 197 | let name = name.as_ref(); [INFO] [stdout] 198 | match self.get_deserialized_opt(name)? { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `std::option::Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/book/summary.rs:543:19 [INFO] [stdout] | [INFO] [stdout] 188 | let mut events = Vec::new(); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 191 | let event = $stream.next().map(|(ev, _range)| ev); [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 543 | match self.next_event() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [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: this value of type `std::option::Option` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/config.rs:198:15 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn get_deserialized<'de, T: Deserialize<'de>, S: AsRef>(&self, name: S) -> Result { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 197 | let name = name.as_ref(); [INFO] [stdout] 198 | match self.get_deserialized_opt(name)? { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mdbook_fork4ls` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mdbook_fork4ls` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "9c3cd1a90674b5ac27f9f462c411a64dd8c9fd0d53ce6094fe879cc58c464867", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c3cd1a90674b5ac27f9f462c411a64dd8c9fd0d53ce6094fe879cc58c464867", kill_on_drop: false }` [INFO] [stdout] 9c3cd1a90674b5ac27f9f462c411a64dd8c9fd0d53ce6094fe879cc58c464867