[INFO] fetching crate hybrid-rc 0.6.0... [INFO] checking hybrid-rc-0.6.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate hybrid-rc 0.6.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate hybrid-rc 0.6.0 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 hybrid-rc 0.6.0 [INFO] finished tweaking crates.io crate hybrid-rc 0.6.0 [INFO] tweaked toml for crates.io crate hybrid-rc 0.6.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 70 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.18) [INFO] [stderr] Adding criterion v0.3.6 (available: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (available: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (available: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b6ab17a2734a19d9fe2c19a6c4696565e7276b6d01c57b91b4392aacf3ceabb3 [INFO] running `Command { std: "docker" "start" "-a" "b6ab17a2734a19d9fe2c19a6c4696565e7276b6d01c57b91b4392aacf3ceabb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6ab17a2734a19d9fe2c19a6c4696565e7276b6d01c57b91b4392aacf3ceabb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6ab17a2734a19d9fe2c19a6c4696565e7276b6d01c57b91b4392aacf3ceabb3", kill_on_drop: false }` [INFO] [stdout] b6ab17a2734a19d9fe2c19a6c4696565e7276b6d01c57b91b4392aacf3ceabb3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] db4290359562e839378a0a118274625a18cab51adca549e6a0b0c0cbda789f3e [INFO] running `Command { std: "docker" "start" "-a" "db4290359562e839378a0a118274625a18cab51adca549e6a0b0c0cbda789f3e", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking hybrid-rc v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stdout] error: this value of type `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:1959:9 [INFO] [stdout] | [INFO] [stdout] 1958 | fn try_from(src: Arc) -> Result { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 1959 | match HybridRc::to_local(&src) { [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] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/lib.rs:962:3 [INFO] [stdout] | [INFO] [stdout] 962 | this.ptr.as_ptr() == other.ptr.as_ptr() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 962 | std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr()) [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 962 | std::ptr::eq(this.ptr.as_ptr(), other.ptr.as_ptr()) [INFO] [stdout] | +++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/lib.rs:971:3 [INFO] [stdout] | [INFO] [stdout] 971 | this.ptr.as_ptr() == other.ptr.as_ptr() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 971 | std::ptr::addr_eq(this.ptr.as_ptr(), other.ptr.as_ptr()) [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses [INFO] [stdout] | [INFO] [stdout] 971 | std::ptr::eq(this.ptr.as_ptr(), other.ptr.as_ptr()) [INFO] [stdout] | +++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hybrid-rc` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "db4290359562e839378a0a118274625a18cab51adca549e6a0b0c0cbda789f3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db4290359562e839378a0a118274625a18cab51adca549e6a0b0c0cbda789f3e", kill_on_drop: false }` [INFO] [stdout] db4290359562e839378a0a118274625a18cab51adca549e6a0b0c0cbda789f3e