[INFO] fetching crate metrics_server 0.15.0... [INFO] checking metrics_server-0.15.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate metrics_server 0.15.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate metrics_server 0.15.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate metrics_server 0.15.0 [INFO] finished tweaking crates.io crate metrics_server 0.15.0 [INFO] tweaked toml for crates.io crate metrics_server 0.15.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate metrics_server 0.15.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b2a37ef2ab51c19d678b4c8b9161bd00891bc11ce6f76482797c8021efebd6c [INFO] running `Command { std: "docker" "start" "-a" "5b2a37ef2ab51c19d678b4c8b9161bd00891bc11ce6f76482797c8021efebd6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b2a37ef2ab51c19d678b4c8b9161bd00891bc11ce6f76482797c8021efebd6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b2a37ef2ab51c19d678b4c8b9161bd00891bc11ce6f76482797c8021efebd6c", kill_on_drop: false }` [INFO] [stdout] 5b2a37ef2ab51c19d678b4c8b9161bd00891bc11ce6f76482797c8021efebd6c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9979fa3ead59d73ef1032918df9bda2e9b91e2d042602f2e6f18de064e6181d1 [INFO] running `Command { std: "docker" "start" "-a" "9979fa3ead59d73ef1032918df9bda2e9b91e2d042602f2e6f18de064e6181d1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling proc-macro2 v1.0.84 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling cc v1.0.98 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling openssl v0.10.64 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking tower-layer v0.3.2 [INFO] [stderr] Checking http v1.1.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Compiling openssl-sys v0.9.102 [INFO] [stderr] Checking http-body v1.0.0 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking anstyle-parse v0.2.4 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Compiling native-tls v0.2.12 [INFO] [stderr] Checking http-body-util v0.1.1 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Compiling prometheus-client v0.22.2 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking chunked_transfer v1.5.0 [INFO] [stderr] Checking rustls-pki-types v1.7.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking anstyle-query v1.0.3 [INFO] [stderr] Checking ascii v1.1.0 [INFO] [stderr] Checking num-conv v0.1.0 [INFO] [stderr] Checking anstyle v1.0.7 [INFO] [stderr] Checking is_terminal_polyfill v1.70.0 [INFO] [stderr] Checking time-core v0.1.2 [INFO] [stderr] Checking colorchoice v1.0.1 [INFO] [stderr] Checking time v0.3.36 [INFO] [stderr] Checking anstream v0.6.14 [INFO] [stderr] Checking tiny_http v0.12.0 [INFO] [stderr] Checking rustls-pemfile v2.1.2 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking dtoa v1.0.9 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking ipnet v2.9.0 [INFO] [stderr] Checking metrics_server v0.15.0 (/opt/rustwide/workdir) [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/server.rs:189:15 [INFO] [stdout] | [INFO] [stdout] 181 | pub fn stop(mut self) -> Result<(), ServerError> { [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 189 | match self.thread.take() { [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 `metrics_server` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9979fa3ead59d73ef1032918df9bda2e9b91e2d042602f2e6f18de064e6181d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9979fa3ead59d73ef1032918df9bda2e9b91e2d042602f2e6f18de064e6181d1", kill_on_drop: false }` [INFO] [stdout] 9979fa3ead59d73ef1032918df9bda2e9b91e2d042602f2e6f18de064e6181d1