[INFO] fetching crate wasm-peers-signaling-server 0.3.0... [INFO] checking wasm-peers-signaling-server-0.3.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate wasm-peers-signaling-server 0.3.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate wasm-peers-signaling-server 0.3.0 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 wasm-peers-signaling-server 0.3.0 [INFO] finished tweaking crates.io crate wasm-peers-signaling-server 0.3.0 [INFO] tweaked toml for crates.io crate wasm-peers-signaling-server 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate wasm-peers-signaling-server 0.3.0 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] 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] f55fc3ac350984bd9dceffcbb86f8959d8615b8104a0e68c0213f83051a22887 [INFO] running `Command { std: "docker" "start" "-a" "f55fc3ac350984bd9dceffcbb86f8959d8615b8104a0e68c0213f83051a22887", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f55fc3ac350984bd9dceffcbb86f8959d8615b8104a0e68c0213f83051a22887", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f55fc3ac350984bd9dceffcbb86f8959d8615b8104a0e68c0213f83051a22887", kill_on_drop: false }` [INFO] [stdout] f55fc3ac350984bd9dceffcbb86f8959d8615b8104a0e68c0213f83051a22887 [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] 60c9948c9a78eac07a493c9c464bb96da2375a6c9d651be93c21e69370be7e2e [INFO] running `Command { std: "docker" "start" "-a" "60c9948c9a78eac07a493c9c464bb96da2375a6c9d651be93c21e69370be7e2e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking cpufeatures v0.2.1 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking tracing-core v0.1.22 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking tracing v0.1.30 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling serde_json v1.0.78 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking sha-1 v0.9.8 [INFO] [stderr] Checking headers-core v0.2.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking headers v0.3.6 [INFO] [stderr] Checking multipart v0.18.0 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Checking tokio v1.16.1 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tungstenite v0.14.0 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-stream v0.1.8 [INFO] [stderr] Checking tokio-tungstenite v0.15.0 [INFO] [stderr] Checking h2 v0.3.11 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking wasm-peers-protocol v0.3.0 [INFO] [stderr] Checking hyper v0.14.16 [INFO] [stderr] Checking warp v0.3.2 [INFO] [stderr] Checking wasm-peers-signaling-server v0.3.0 (/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/main.rs:27:31 [INFO] [stdout] | [INFO] [stdout] 26 | .map(|ws: warp::ws::Ws, connections, sessions| { [INFO] [stdout] | ---------------- ----------- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 27 | ws.on_upgrade(move |socket| { [INFO] [stdout] | _______________________________^ [INFO] [stdout] 28 | | one_to_one::user_connected(socket, connections, sessions) [INFO] [stdout] 29 | | }) [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/main.rs:45:31 [INFO] [stdout] | [INFO] [stdout] 44 | .map(|ws: warp::ws::Ws, connections, sessions| { [INFO] [stdout] | ---------------- ----------- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 45 | ws.on_upgrade(move |socket| { [INFO] [stdout] | _______________________________^ [INFO] [stdout] 46 | | one_to_many::user_connected(socket, connections, sessions) [INFO] [stdout] 47 | | }) [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/main.rs:63:31 [INFO] [stdout] | [INFO] [stdout] 62 | .map(|ws: warp::ws::Ws, connections, sessions| { [INFO] [stdout] | ---------------- ----------- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 63 | ws.on_upgrade(move |socket| { [INFO] [stdout] | _______________________________^ [INFO] [stdout] 64 | | many_to_many::user_connected(socket, connections, sessions) [INFO] [stdout] 65 | | }) [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 3 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/main.rs:27:31 [INFO] [stdout] | [INFO] [stdout] 26 | .map(|ws: warp::ws::Ws, connections, sessions| { [INFO] [stdout] | ---------------- ----------- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 27 | ws.on_upgrade(move |socket| { [INFO] [stdout] | _______________________________^ [INFO] [stdout] 28 | | one_to_one::user_connected(socket, connections, sessions) [INFO] [stdout] 29 | | }) [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/main.rs:45:31 [INFO] [stdout] | [INFO] [stdout] 44 | .map(|ws: warp::ws::Ws, connections, sessions| { [INFO] [stdout] | ---------------- ----------- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 45 | ws.on_upgrade(move |socket| { [INFO] [stdout] | _______________________________^ [INFO] [stdout] 46 | | one_to_many::user_connected(socket, connections, sessions) [INFO] [stdout] 47 | | }) [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/main.rs:63:31 [INFO] [stdout] | [INFO] [stdout] 62 | .map(|ws: warp::ws::Ws, connections, sessions| { [INFO] [stdout] | ---------------- ----------- -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 63 | ws.on_upgrade(move |socket| { [INFO] [stdout] | _______________________________^ [INFO] [stdout] 64 | | many_to_many::user_connected(socket, connections, sessions) [INFO] [stdout] 65 | | }) [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] [stderr] error: could not compile `wasm-peers-signaling-server` (bin "wasm-peers-signaling-server") due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `wasm-peers-signaling-server` (bin "wasm-peers-signaling-server" test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "60c9948c9a78eac07a493c9c464bb96da2375a6c9d651be93c21e69370be7e2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60c9948c9a78eac07a493c9c464bb96da2375a6c9d651be93c21e69370be7e2e", kill_on_drop: false }` [INFO] [stdout] 60c9948c9a78eac07a493c9c464bb96da2375a6c9d651be93c21e69370be7e2e