[INFO] fetching crate amfiteatr_net_ext 0.5.0... [INFO] checking amfiteatr_net_ext-0.5.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate amfiteatr_net_ext 0.5.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate amfiteatr_net_ext 0.5.0 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 amfiteatr_net_ext 0.5.0 [INFO] finished tweaking crates.io crate amfiteatr_net_ext 0.5.0 [INFO] tweaked toml for crates.io crate amfiteatr_net_ext 0.5.0 written to /workspace/builds/worker-3-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] Updating crates.io index [INFO] [stderr] Locking 85 packages to latest compatible versions [INFO] [stderr] Adding anes v0.1.6 (available: v0.2.0) [INFO] [stderr] Adding itertools v0.10.5 (available: v0.13.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 82addcb608a66d8e5619ec65cbd9b0d9e3a83a252afafdf7687fdea6f65a07ed [INFO] running `Command { std: "docker" "start" "-a" "82addcb608a66d8e5619ec65cbd9b0d9e3a83a252afafdf7687fdea6f65a07ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82addcb608a66d8e5619ec65cbd9b0d9e3a83a252afafdf7687fdea6f65a07ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82addcb608a66d8e5619ec65cbd9b0d9e3a83a252afafdf7687fdea6f65a07ed", kill_on_drop: false }` [INFO] [stdout] 82addcb608a66d8e5619ec65cbd9b0d9e3a83a252afafdf7687fdea6f65a07ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4fd7be765465d1be5d35833d34ef78de30f17c618af8a178334c2d682f9b2a70 [INFO] running `Command { std: "docker" "start" "-a" "4fd7be765465d1be5d35833d34ef78de30f17c618af8a178334c2d682f9b2a70", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Checking byteorder v1.5.0 [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 clap_lex v0.7.2 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Compiling thiserror v1.0.64 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Checking clap_builder v4.5.18 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking clap v4.5.18 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling speedy-derive v0.8.7 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking speedy v0.8.7 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking amfiteatr_core v0.5.0 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Checking amfiteatr_net_ext v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tcp.rs:116:15 [INFO] [stdout] | [INFO] [stdout] 105 | fn send(&mut self, message: OT) -> Result<(), E> { [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 116 | match self.stream.write_all(&buffer){ [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `amfiteatr_net_ext` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Result<(), std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/tcp.rs:116:15 [INFO] [stdout] | [INFO] [stdout] 105 | fn send(&mut self, message: OT) -> Result<(), E> { [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 116 | match self.stream.write_all(&buffer){ [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `amfiteatr_net_ext` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "4fd7be765465d1be5d35833d34ef78de30f17c618af8a178334c2d682f9b2a70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fd7be765465d1be5d35833d34ef78de30f17c618af8a178334c2d682f9b2a70", kill_on_drop: false }` [INFO] [stdout] 4fd7be765465d1be5d35833d34ef78de30f17c618af8a178334c2d682f9b2a70