[INFO] fetching crate datastreamservicelib 1.0.0... [INFO] checking datastreamservicelib-1.0.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate datastreamservicelib 1.0.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate datastreamservicelib 1.0.0 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 datastreamservicelib 1.0.0 [INFO] finished tweaking crates.io crate datastreamservicelib 1.0.0 [INFO] tweaked toml for crates.io crate datastreamservicelib 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate datastreamservicelib 1.0.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eeecc17845de16b88bc7cd737f89ed7f9595eaf78f5c0c676f6bb9d3ea6f4ef3 [INFO] running `Command { std: "docker" "start" "-a" "eeecc17845de16b88bc7cd737f89ed7f9595eaf78f5c0c676f6bb9d3ea6f4ef3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eeecc17845de16b88bc7cd737f89ed7f9595eaf78f5c0c676f6bb9d3ea6f4ef3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eeecc17845de16b88bc7cd737f89ed7f9595eaf78f5c0c676f6bb9d3ea6f4ef3", kill_on_drop: false }` [INFO] [stdout] eeecc17845de16b88bc7cd737f89ed7f9595eaf78f5c0c676f6bb9d3ea6f4ef3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b26454dfbed9a13e09ec37e23f79ad7033d39330186e6c5b9e156f33f0653a34 [INFO] running `Command { std: "docker" "start" "-a" "b26454dfbed9a13e09ec37e23f79ad7033d39330186e6c5b9e156f33f0653a34", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling syn v1.0.92 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling error-chain v0.10.0 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking object v0.28.3 [INFO] [stderr] Checking miniz_oxide v0.5.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling metadeps v1.1.2 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling zmq-sys v0.11.0 [INFO] [stderr] Compiling zmq v0.9.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking thread-id v4.0.0 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling serde_json v1.0.80 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling backtrace v0.3.65 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking libmath v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking fern v0.6.1 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rmp v0.8.11 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling async-zmq-derive v0.1.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking async-zmq-types v0.3.2 [INFO] [stderr] Checking tokio-zmq v0.10.1 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking rmp-serde v0.14.4 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking datastreamcorelib v1.0.0 [INFO] [stderr] Checking datastreamservicelib v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used [INFO] [stdout] --> src/zmqwrappers.rs:129:9 [INFO] [stdout] | [INFO] [stdout] 129 | tokio::task::yield_now().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: yield_now does nothing unless polled/`await`-ed [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 129 | let _ = tokio::task::yield_now().await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used [INFO] [stdout] --> src/zmqwrappers.rs:129:9 [INFO] [stdout] | [INFO] [stdout] 129 | tokio::task::yield_now().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: yield_now does nothing unless polled/`await`-ed [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 129 | let _ = tokio::task::yield_now().await; [INFO] [stdout] | +++++++ [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/zmqwrappers.rs:226:17 [INFO] [stdout] | [INFO] [stdout] 221 | let crecv = recv.clone(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 225 | move |sub: &coreps::Subscription, msg: coreps::PubSubMessage| { [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 226 | crecv.lock().callback(&sub, msg) [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/zmqwrappers.rs:267:17 [INFO] [stdout] | [INFO] [stdout] 262 | let crecv = recv.clone(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 266 | move |sub: &coreps::Subscription, msg: coreps::PubSubMessage| { [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 267 | crecv.lock().callback(&sub, msg) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `datastreamservicelib` (lib test) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/bin/testsubscriber.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 138 | let crecv = recv.clone(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 142 | move |sub: &coreps::Subscription, msg: coreps::PubSubMessage| { [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 143 | crecv.lock().unwrap().callback(&sub, msg) [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 `datastreamservicelib` (bin "testsubscriber" test) due to 2 previous errors [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/bin/testsubscriber.rs:143:13 [INFO] [stdout] | [INFO] [stdout] 138 | let crecv = recv.clone(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 142 | move |sub: &coreps::Subscription, msg: coreps::PubSubMessage| { [INFO] [stdout] | -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 143 | crecv.lock().unwrap().callback(&sub, msg) [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 `datastreamservicelib` (bin "testsubscriber") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "b26454dfbed9a13e09ec37e23f79ad7033d39330186e6c5b9e156f33f0653a34", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b26454dfbed9a13e09ec37e23f79ad7033d39330186e6c5b9e156f33f0653a34", kill_on_drop: false }` [INFO] [stdout] b26454dfbed9a13e09ec37e23f79ad7033d39330186e6c5b9e156f33f0653a34