[INFO] fetching crate hotmic-prometheus 0.1.0... [INFO] checking hotmic-prometheus-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate hotmic-prometheus 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate hotmic-prometheus 0.1.0 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 hotmic-prometheus 0.1.0 [INFO] finished tweaking crates.io crate hotmic-prometheus 0.1.0 [INFO] tweaked toml for crates.io crate hotmic-prometheus 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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 114 packages to latest compatible versions [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.3.0) [INFO] [stderr] Adding base64 v0.10.1 (latest: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.7.1) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam-channel v0.3.9 (latest: v0.5.13) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.6.6 (latest: v0.8.20) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.20) [INFO] [stderr] Adding derivative v1.0.4 (latest: v2.2.0) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding h2 v0.1.26 (latest: v0.4.6) [INFO] [stderr] Adding hashbrown v0.1.8 (latest: v0.14.5) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.5) [INFO] [stderr] Adding hdrhistogram v6.3.4 (latest: v7.5.4) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding http v0.1.21 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.1.0 (latest: v1.0.1) [INFO] [stderr] Adding hyper v0.12.36 (latest: v1.4.1) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.5.0) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [INFO] [stderr] Adding lock_api v0.1.5 (latest: v0.4.12) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.12) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [INFO] [stderr] Adding mio v0.6.23 (latest: v1.0.2) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding nom v4.2.3 (latest: v7.1.3) [INFO] [stderr] Adding parking_lot v0.7.1 (latest: v0.12.3) [INFO] [stderr] Adding parking_lot v0.9.0 (latest: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.4.0 (latest: v0.9.10) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.10) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quanta v0.2.0 (latest: v0.12.3) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.37) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.3) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.1) [INFO] [stderr] Adding scopeguard v0.3.3 (latest: v1.2.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding string v0.2.1 (latest: v0.3.0) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.77) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.36) [INFO] [stderr] Adding tokio v0.1.22 (latest: v1.40.0) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.5) [INFO] [stderr] Adding version_check v0.1.5 (latest: v0.9.5) [INFO] [stderr] Adding want v0.2.0 (latest: v0.3.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fb0e19f222906a2472406602459b1d03e3c77a8c91995b40c46e914376cb3db6 [INFO] running `Command { std: "docker" "start" "-a" "fb0e19f222906a2472406602459b1d03e3c77a8c91995b40c46e914376cb3db6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb0e19f222906a2472406602459b1d03e3c77a8c91995b40c46e914376cb3db6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb0e19f222906a2472406602459b1d03e3c77a8c91995b40c46e914376cb3db6", kill_on_drop: false }` [INFO] [stdout] fb0e19f222906a2472406602459b1d03e3c77a8c91995b40c46e914376cb3db6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2c1466605041b64a435c46be574adf69bec5cd29aea20f2137fcccfa9aade52e [INFO] running `Command { std: "docker" "start" "-a" "2c1466605041b64a435c46be574adf69bec5cd29aea20f2137fcccfa9aade52e", kill_on_drop: false }` [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking parking_lot_core v0.6.3 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking quanta v0.2.0 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking hashbrown v0.1.8 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking hdrhistogram v6.3.4 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Compiling derivative v1.0.4 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking hotmic v0.8.2 [INFO] [stderr] Checking hyper v0.12.36 [INFO] [stderr] Checking hotmic-prometheus v0.1.0 (/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] --> src/lib.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn into_future(self) -> impl Future + Send { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 58 | let addr = self.addr; [INFO] [stdout] 59 | let new_exporter_svc = move || { [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 73 | HyperServer::bind(&addr).serve(new_exporter_svc) [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] --> src/lib.rs:62:24 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn into_future(self) -> impl Future + Send { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 60 | let controller = self.controller.clone(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 61 | [INFO] [stdout] 62 | service_fn(move |_| { [INFO] [stdout] | ________________________^ [INFO] [stdout] 63 | | controller [INFO] [stdout] 64 | | .get_snapshot_async() [INFO] [stdout] 65 | | .map_err(|_| ExporterError::Snapshot) [INFO] [stdout] ... | [INFO] [stdout] 69 | | .and_then(|output| Ok(HyperResponse::new(HyperBody::from(output)))) [INFO] [stdout] 70 | | }) [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] --> src/lib.rs:63:17 [INFO] [stdout] | [INFO] [stdout] 60 | let controller = self.controller.clone(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 61 | [INFO] [stdout] 62 | service_fn(move |_| { [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 63 | / controller [INFO] [stdout] 64 | | .get_snapshot_async() [INFO] [stdout] 65 | | .map_err(|_| ExporterError::Snapshot) [INFO] [stdout] 66 | | .into_future() [INFO] [stdout] 67 | | .and_then(|rx| rx.map_err(|_| ExporterError::Snapshot)) [INFO] [stdout] 68 | | .and_then(process_snapshot) [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] --> src/lib.rs:69:43 [INFO] [stdout] | [INFO] [stdout] 69 | .and_then(|output| Ok(HyperResponse::new(HyperBody::from(output)))) [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] --> src/lib.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn into_future(self) -> impl Future + Send { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 58 | let addr = self.addr; [INFO] [stdout] 59 | let new_exporter_svc = move || { [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 73 | HyperServer::bind(&addr).serve(new_exporter_svc) [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] --> src/lib.rs:62:24 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn into_future(self) -> impl Future + Send { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 60 | let controller = self.controller.clone(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 61 | [INFO] [stdout] 62 | service_fn(move |_| { [INFO] [stdout] | ________________________^ [INFO] [stdout] 63 | | controller [INFO] [stdout] 64 | | .get_snapshot_async() [INFO] [stdout] 65 | | .map_err(|_| ExporterError::Snapshot) [INFO] [stdout] ... | [INFO] [stdout] 69 | | .and_then(|output| Ok(HyperResponse::new(HyperBody::from(output)))) [INFO] [stdout] 70 | | }) [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 4 previous errors [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] --> src/lib.rs:63:17 [INFO] [stdout] | [INFO] [stdout] 60 | let controller = self.controller.clone(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 61 | [INFO] [stdout] 62 | service_fn(move |_| { [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 63 | / controller [INFO] [stdout] 64 | | .get_snapshot_async() [INFO] [stdout] 65 | | .map_err(|_| ExporterError::Snapshot) [INFO] [stdout] 66 | | .into_future() [INFO] [stdout] 67 | | .and_then(|rx| rx.map_err(|_| ExporterError::Snapshot)) [INFO] [stdout] 68 | | .and_then(process_snapshot) [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] --> src/lib.rs:69:43 [INFO] [stdout] | [INFO] [stdout] 69 | .and_then(|output| Ok(HyperResponse::new(HyperBody::from(output)))) [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 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hotmic-prometheus` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `hotmic-prometheus` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "2c1466605041b64a435c46be574adf69bec5cd29aea20f2137fcccfa9aade52e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c1466605041b64a435c46be574adf69bec5cd29aea20f2137fcccfa9aade52e", kill_on_drop: false }` [INFO] [stdout] 2c1466605041b64a435c46be574adf69bec5cd29aea20f2137fcccfa9aade52e