[INFO] fetching crate opentelemetry-user-events-metrics 0.5.0... [INFO] checking opentelemetry-user-events-metrics-0.5.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate opentelemetry-user-events-metrics 0.5.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate opentelemetry-user-events-metrics 0.5.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate opentelemetry-user-events-metrics 0.5.0 [INFO] finished tweaking crates.io crate opentelemetry-user-events-metrics 0.5.0 [INFO] tweaked toml for crates.io crate opentelemetry-user-events-metrics 0.5.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate opentelemetry-user-events-metrics 0.5.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 966d3969095903044467967e4e19f4815ac2274eaf39941f0e2edeeaea6affb7 [INFO] running `Command { std: "docker" "start" "-a" "966d3969095903044467967e4e19f4815ac2274eaf39941f0e2edeeaea6affb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "966d3969095903044467967e4e19f4815ac2274eaf39941f0e2edeeaea6affb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "966d3969095903044467967e4e19f4815ac2274eaf39941f0e2edeeaea6affb7", kill_on_drop: false }` [INFO] [stdout] 966d3969095903044467967e4e19f4815ac2274eaf39941f0e2edeeaea6affb7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1534f609a58db1783c6db0dffeae56a942af92306009689aa5966d5d24e6621d [INFO] running `Command { std: "docker" "start" "-a" "1534f609a58db1783c6db0dffeae56a942af92306009689aa5966d5d24e6621d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling rustversion v1.0.14 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking tower-layer v0.3.2 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling async-trait v0.1.74 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Checking try-lock v0.2.4 [INFO] [stderr] Compiling syn v2.0.68 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Compiling thiserror v1.0.50 [INFO] [stderr] Checking http v1.1.0 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking sync_wrapper v0.1.2 [INFO] [stderr] Compiling itertools v0.12.1 [INFO] [stderr] Checking matchit v0.7.3 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking sync_wrapper v1.0.1 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking base64 v0.22.1 [INFO] [stderr] Compiling eventheader_macros v0.3.0 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking tracepoint v0.4.0 [INFO] [stderr] Compiling axum-core v0.4.3 [INFO] [stderr] Compiling axum v0.7.5 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking http-body v1.0.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking eventheader v0.4.0 [INFO] [stderr] Compiling tokio-macros v2.3.0 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Compiling prost-derive v0.13.1 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking tokio v1.38.0 [INFO] [stderr] Checking opentelemetry v0.24.0 [INFO] [stderr] Checking pin-project v1.1.3 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking prost v0.13.1 [INFO] [stderr] Checking http-body-util v0.1.2 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking h2 v0.4.5 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking opentelemetry_sdk v0.24.0 [INFO] [stderr] Checking hyper v1.4.1 [INFO] [stderr] Checking hyper-util v0.1.5 [INFO] [stderr] Checking hyper-timeout v0.5.1 [INFO] [stderr] Checking tonic v0.12.0 [INFO] [stderr] Checking opentelemetry-proto v0.7.0 [INFO] [stderr] Checking opentelemetry-user-events-metrics v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/basic-metrics.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 11 | fn init_metrics(exporter: MetricsExporter) -> SdkMeterProvider { [INFO] [stdout] | ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | let reader = PeriodicReader::builder(exporter, runtime::Tokio).build(); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | / SdkMeterProvider::builder() [INFO] [stdout] 14 | | .with_resource(Resource::new(vec![KeyValue::new( [INFO] [stdout] 15 | | "service.name", [INFO] [stdout] 16 | | "metric-demo", [INFO] [stdout] 17 | | )])) [INFO] [stdout] 18 | | .with_reader(reader) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/basic-metrics.rs:74:14 [INFO] [stdout] | [INFO] [stdout] 58 | let gauge = meter [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 74 | &[ [INFO] [stdout] | ______________^ [INFO] [stdout] 75 | | KeyValue::new("mykey1", "myvalue1"), [INFO] [stdout] 76 | | KeyValue::new("mykey2", "myvalue2"), [INFO] [stdout] 77 | | ], [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/basic-metrics.rs:85:14 [INFO] [stdout] | [INFO] [stdout] 64 | let gauge2 = meter [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 85 | &[ [INFO] [stdout] | ______________^ [INFO] [stdout] 86 | | KeyValue::new("mykey1", "myvalue1"), [INFO] [stdout] 87 | | KeyValue::new("mykey2", "myvalue2"), [INFO] [stdout] 88 | | ], [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/basic-metrics.rs:109:14 [INFO] [stdout] | [INFO] [stdout] 93 | let observable_counter = meter [INFO] [stdout] | ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 109 | &[ [INFO] [stdout] | ______________^ [INFO] [stdout] 110 | | KeyValue::new("mykey1", "myvalue1"), [INFO] [stdout] 111 | | KeyValue::new("mykey2", "myvalue2"), [INFO] [stdout] 112 | | ], [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/basic-metrics.rs:120:14 [INFO] [stdout] | [INFO] [stdout] 99 | let observable_counter2 = meter [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 120 | &[ [INFO] [stdout] | ______________^ [INFO] [stdout] 121 | | KeyValue::new("mykey1", "myvalue1"), [INFO] [stdout] 122 | | KeyValue::new("mykey2", "myvalue2"), [INFO] [stdout] 123 | | ], [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/basic-metrics.rs:143:14 [INFO] [stdout] | [INFO] [stdout] 128 | let observable_up_down_counter = meter [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 143 | &[ [INFO] [stdout] | ______________^ [INFO] [stdout] 144 | | KeyValue::new("mykey1", "myvalue1"), [INFO] [stdout] 145 | | KeyValue::new("mykey2", "myvalue2"), [INFO] [stdout] 146 | | ], [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/basic-metrics.rs:154:14 [INFO] [stdout] | [INFO] [stdout] 133 | let observable_up_down_counter2 = meter [INFO] [stdout] | --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 154 | &[ [INFO] [stdout] | ______________^ [INFO] [stdout] 155 | | KeyValue::new("mykey1", "myvalue1"), [INFO] [stdout] 156 | | KeyValue::new("mykey2", "myvalue2"), [INFO] [stdout] 157 | | ], [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 7 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `opentelemetry-user-events-metrics` (example "basic-metrics") due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "1534f609a58db1783c6db0dffeae56a942af92306009689aa5966d5d24e6621d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1534f609a58db1783c6db0dffeae56a942af92306009689aa5966d5d24e6621d", kill_on_drop: false }` [INFO] [stdout] 1534f609a58db1783c6db0dffeae56a942af92306009689aa5966d5d24e6621d