[INFO] fetching crate operator_advisor 0.1.8... [INFO] checking operator_advisor-0.1.8 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate operator_advisor 0.1.8 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate operator_advisor 0.1.8 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 operator_advisor 0.1.8 [INFO] finished tweaking crates.io crate operator_advisor 0.1.8 [INFO] tweaked toml for crates.io crate operator_advisor 0.1.8 written to /workspace/builds/worker-7-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 44 packages to latest compatible versions [INFO] [stderr] Adding enum-ordinalize v3.1.15 (available: v4.3.0) [INFO] [stderr] Adding heck v0.3.3 (available: v0.5.0) [INFO] [stderr] Adding ndarray v0.15.6 (available: v0.16.1) [INFO] [stderr] Adding ndarray-rand v0.14.0 (available: v0.15.0) [INFO] [stderr] Adding strum v0.22.0 (available: v0.26.3) [INFO] [stderr] Adding strum_macros v0.22.0 (available: v0.26.4) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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] 15fded1905ab8bae2b4cb62f074d84940d9bb397fe857aa5f458c1725911c11e [INFO] running `Command { std: "docker" "start" "-a" "15fded1905ab8bae2b4cb62f074d84940d9bb397fe857aa5f458c1725911c11e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "15fded1905ab8bae2b4cb62f074d84940d9bb397fe857aa5f458c1725911c11e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15fded1905ab8bae2b4cb62f074d84940d9bb397fe857aa5f458c1725911c11e", kill_on_drop: false }` [INFO] [stdout] 15fded1905ab8bae2b4cb62f074d84940d9bb397fe857aa5f458c1725911c11e [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] 65824b246a3d958ef2a7c5d84ece76ececb24297c2d29bf788c203478bd97e47 [INFO] running `Command { std: "docker" "start" "-a" "65824b246a3d958ef2a7c5d84ece76ececb24297c2d29bf788c203478bd97e47", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking strum v0.22.0 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling strum_macros v0.22.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [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] Compiling num-bigint v0.4.6 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking ndarray-rand v0.14.0 [INFO] [stderr] Compiling enum-ordinalize v3.1.15 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking operator_advisor v0.1.8 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/model/mod.rs:94:11 [INFO] [stdout] | [INFO] [stdout] 80 | let ys = get_observations(dataset_paths.clone(), n_step_dataset, observation_type)?; [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 94 | match serde_json::to_string(&data) { [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 `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/model/mod.rs:94:11 [INFO] [stdout] | [INFO] [stdout] 80 | let ys = get_observations(dataset_paths.clone(), n_step_dataset, observation_type)?; [INFO] [stdout] | -- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 94 | match serde_json::to_string(&data) { [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 `operator_advisor` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `operator_advisor` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "65824b246a3d958ef2a7c5d84ece76ececb24297c2d29bf788c203478bd97e47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65824b246a3d958ef2a7c5d84ece76ececb24297c2d29bf788c203478bd97e47", kill_on_drop: false }` [INFO] [stdout] 65824b246a3d958ef2a7c5d84ece76ececb24297c2d29bf788c203478bd97e47