[INFO] fetching crate slog_prometheus 0.1.0... [INFO] checking slog_prometheus-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate slog_prometheus 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate slog_prometheus 0.1.0 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 slog_prometheus 0.1.0 [INFO] finished tweaking crates.io crate slog_prometheus 0.1.0 [INFO] tweaked toml for crates.io crate slog_prometheus 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate slog_prometheus 0.1.0 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" "+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] 6478e66d3c7133975d1757316345e2f2b4897431d0e503da439542d53df667ea [INFO] running `Command { std: "docker" "start" "-a" "6478e66d3c7133975d1757316345e2f2b4897431d0e503da439542d53df667ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6478e66d3c7133975d1757316345e2f2b4897431d0e503da439542d53df667ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6478e66d3c7133975d1757316345e2f2b4897431d0e503da439542d53df667ea", kill_on_drop: false }` [INFO] [stdout] 6478e66d3c7133975d1757316345e2f2b4897431d0e503da439542d53df667ea [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] 23caa661e9a11f813b7e3bf8a08eda577c1ba3a7a535b30490443e82fc977c93 [INFO] running `Command { std: "docker" "start" "-a" "23caa661e9a11f813b7e3bf8a08eda577c1ba3a7a535b30490443e82fc977c93", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking http v0.2.7 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling httparse v1.7.1 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling protobuf v2.25.2 [INFO] [stderr] Checking num_threads v0.1.5 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Compiling prometheus v0.13.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking chunked_transfer v1.4.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking ascii v1.0.0 [INFO] [stderr] Compiling slog-async v2.7.0 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking ipnet v2.5.0 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking time v0.3.9 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking tokio v1.18.0 [INFO] [stderr] Checking slog-term v2.9.0 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking tiny_http v0.10.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Compiling tracing-attributes v0.1.21 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tracing v0.1.34 [INFO] [stderr] Checking tokio-util v0.7.1 [INFO] [stderr] Checking prometheus_exporter v0.8.4 [INFO] [stderr] Checking slog_prometheus v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking h2 v0.3.13 [INFO] [stderr] Checking hyper v0.14.18 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.10 [INFO] [stdout] error: this value of type `std::vec::IntoIter` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:201:18 [INFO] [stdout] | [INFO] [stdout] 184 | let registry = Registry::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 _log = slog::Logger::root(drain, o!()); [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 201 | for m in metrics { [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::vec::IntoIter` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:248:18 [INFO] [stdout] | [INFO] [stdout] 241 | let _log = slog::Logger::root(drain, o!()); [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 248 | for m in metrics { [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 `slog_prometheus` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "23caa661e9a11f813b7e3bf8a08eda577c1ba3a7a535b30490443e82fc977c93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23caa661e9a11f813b7e3bf8a08eda577c1ba3a7a535b30490443e82fc977c93", kill_on_drop: false }` [INFO] [stdout] 23caa661e9a11f813b7e3bf8a08eda577c1ba3a7a535b30490443e82fc977c93