[INFO] fetching crate mio_tcp_loop 0.1.17... [INFO] checking mio_tcp_loop-0.1.17 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mio_tcp_loop 0.1.17 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate mio_tcp_loop 0.1.17 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 mio_tcp_loop 0.1.17 [INFO] finished tweaking crates.io crate mio_tcp_loop 0.1.17 [INFO] tweaked toml for crates.io crate mio_tcp_loop 0.1.17 written to /workspace/builds/worker-3-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 24 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [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 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] 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] 3be270c383bf506c47d555660dcbf224972aa84db43050046262840847cea0d4 [INFO] running `Command { std: "docker" "start" "-a" "3be270c383bf506c47d555660dcbf224972aa84db43050046262840847cea0d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3be270c383bf506c47d555660dcbf224972aa84db43050046262840847cea0d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3be270c383bf506c47d555660dcbf224972aa84db43050046262840847cea0d4", kill_on_drop: false }` [INFO] [stdout] 3be270c383bf506c47d555660dcbf224972aa84db43050046262840847cea0d4 [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] df24fa67eba709701551da81358eac558be6266060c7bb4b1570e4bb55802258 [INFO] running `Command { std: "docker" "start" "-a" "df24fa67eba709701551da81358eac558be6266060c7bb4b1570e4bb55802258", kill_on_drop: false }` [INFO] [stderr] Checking kaniexpect v0.1.3 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking mio_tcp_loop v0.1.17 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `anyhow::anyhow` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use anyhow::anyhow; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/lib.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | use log::{debug, info, trace, error}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow::anyhow` [INFO] [stdout] --> src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use anyhow::anyhow; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/lib.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | use log::{debug, info, trace, error}; [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/lib.rs:75:12 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn new(tcp_stream: TcpStream) -> Result { [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 60 | let (task_tx, task_rx) = channel::channel::(); [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] 61 | let (reader_tx, reader_rx) = channel::channel::>(); [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] 62 | let (readable_registration, readable_set_readiness) = Registration::new2(); [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] 63 | [INFO] [stdout] 64 | let stream_thread = Some(Self::start_tcp_stream_thread( [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 70 | let reader_poll = Poll::new()?; [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 75 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 76 | | stream_thread, [INFO] [stdout] 77 | | task_tx, [INFO] [stdout] 78 | | reader_rx, [INFO] [stdout] ... | [INFO] [stdout] 81 | | reader_events, [INFO] [stdout] 82 | | }) [INFO] [stdout] | | ^ [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] | [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:120:23 [INFO] [stdout] | [INFO] [stdout] 115 | tcp_stream: TcpStream, [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 116 | task_rx: channel::Receiver, [INFO] [stdout] | -------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 117 | reader_tx: channel::Sender>, [INFO] [stdout] | ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 118 | readable_set_readiness: SetReadiness, [INFO] [stdout] | ------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 119 | ) -> std::thread::JoinHandle<()> { [INFO] [stdout] 120 | thread::spawn(move || { [INFO] [stdout] | _______________________^ [INFO] [stdout] 121 | | expect!(Self::thread_loop( [INFO] [stdout] 122 | | tcp_stream, [INFO] [stdout] 123 | | task_rx, [INFO] [stdout] ... | [INFO] [stdout] 126 | | )) [INFO] [stdout] 127 | | }) [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; 2 warnings emitted [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:75:12 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn new(tcp_stream: TcpStream) -> Result { [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 60 | let (task_tx, task_rx) = channel::channel::(); [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] 61 | let (reader_tx, reader_rx) = channel::channel::>(); [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] 62 | let (readable_registration, readable_set_readiness) = Registration::new2(); [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] 63 | [INFO] [stdout] 64 | let stream_thread = Some(Self::start_tcp_stream_thread( [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 70 | let reader_poll = Poll::new()?; [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 75 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 76 | | stream_thread, [INFO] [stdout] 77 | | task_tx, [INFO] [stdout] 78 | | reader_rx, [INFO] [stdout] ... | [INFO] [stdout] 81 | | reader_events, [INFO] [stdout] 82 | | }) [INFO] [stdout] | | ^ [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] | [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:120:23 [INFO] [stdout] | [INFO] [stdout] 115 | tcp_stream: TcpStream, [INFO] [stdout] | --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 116 | task_rx: channel::Receiver, [INFO] [stdout] | -------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 117 | reader_tx: channel::Sender>, [INFO] [stdout] | ----------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 118 | readable_set_readiness: SetReadiness, [INFO] [stdout] | ------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 119 | ) -> std::thread::JoinHandle<()> { [INFO] [stdout] 120 | thread::spawn(move || { [INFO] [stdout] | _______________________^ [INFO] [stdout] 121 | | expect!(Self::thread_loop( [INFO] [stdout] 122 | | tcp_stream, [INFO] [stdout] 123 | | task_rx, [INFO] [stdout] ... | [INFO] [stdout] 126 | | )) [INFO] [stdout] 127 | | }) [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 `mio_tcp_loop` (lib) due to 3 previous errors; 2 warnings emitted [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mio_tcp_loop` (lib test) due to 3 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "df24fa67eba709701551da81358eac558be6266060c7bb4b1570e4bb55802258", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df24fa67eba709701551da81358eac558be6266060c7bb4b1570e4bb55802258", kill_on_drop: false }` [INFO] [stdout] df24fa67eba709701551da81358eac558be6266060c7bb4b1570e4bb55802258