[INFO] fetching crate libtuntap 0.0.2... [INFO] checking libtuntap-0.0.2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate libtuntap 0.0.2 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate libtuntap 0.0.2 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 libtuntap 0.0.2 [INFO] finished tweaking crates.io crate libtuntap 0.0.2 [INFO] tweaked toml for crates.io crate libtuntap 0.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate libtuntap 0.0.2 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ee60d6cba8e7534c7f242535d09ec91a8fee3cd75264391d3255cba6f818e53e [INFO] running `Command { std: "docker" "start" "-a" "ee60d6cba8e7534c7f242535d09ec91a8fee3cd75264391d3255cba6f818e53e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee60d6cba8e7534c7f242535d09ec91a8fee3cd75264391d3255cba6f818e53e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee60d6cba8e7534c7f242535d09ec91a8fee3cd75264391d3255cba6f818e53e", kill_on_drop: false }` [INFO] [stdout] ee60d6cba8e7534c7f242535d09ec91a8fee3cd75264391d3255cba6f818e53e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e8aef57c1601164a5c2719f667ef44fdbab7c228207ec4b5736361b7c5daad98 [INFO] running `Command { std: "docker" "start" "-a" "e8aef57c1601164a5c2719f667ef44fdbab7c228207ec4b5736361b7c5daad98", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.82 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling thiserror v1.0.60 [INFO] [stderr] Checking ioctl-sys v0.6.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.61 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling thiserror-impl v1.0.60 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking libtuntap v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `global_reactor` is never used [INFO] [stdout] --> src/async/reactor.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn global_reactor() -> &'static mut Reactor { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Reactor` is never constructed [INFO] [stdout] --> src/async/reactor.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct Reactor { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `run_once`, `wakeup`, `add_waker`, and `remove_waker` are never used [INFO] [stdout] --> src/async/reactor.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl Reactor { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 31 | fn new(time_interval: Duration) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn run_once(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn wakeup(&mut self, token: Token) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn add_waker(&mut self, token: Token, waker: Waker) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | fn remove_waker(&mut self, token: Token) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `try_invoke` is never used [INFO] [stdout] --> src/async/reactor.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn try_invoke( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `global_reactor` is never used [INFO] [stdout] --> src/async/reactor.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn global_reactor() -> &'static mut Reactor { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Reactor` is never constructed [INFO] [stdout] --> src/async/reactor.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct Reactor { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `run_once`, `wakeup`, `add_waker`, and `remove_waker` are never used [INFO] [stdout] --> src/async/reactor.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl Reactor { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 31 | fn new(time_interval: Duration) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn run_once(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn wakeup(&mut self, token: Token) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn add_waker(&mut self, token: Token, waker: Waker) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 64 | fn remove_waker(&mut self, token: Token) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `try_invoke` is never used [INFO] [stdout] --> src/async/reactor.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn try_invoke( [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/address.rs:221:30 [INFO] [stdout] | [INFO] [stdout] 217 | fn read_separator(&mut self, sep: char, index: usize, inner: F) -> Option [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 221 | self.read_atomically(move |p| { [INFO] [stdout] | ______________________________^ [INFO] [stdout] 222 | | if index > 0 { [INFO] [stdout] 223 | | p.read_given_char(sep)?; [INFO] [stdout] 224 | | } [INFO] [stdout] 225 | | inner(p) [INFO] [stdout] 226 | | }) [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/address.rs:221:30 [INFO] [stdout] | [INFO] [stdout] 217 | fn read_separator(&mut self, sep: char, index: usize, inner: F) -> Option [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 221 | self.read_atomically(move |p| { [INFO] [stdout] | ______________________________^ [INFO] [stdout] 222 | | if index > 0 { [INFO] [stdout] 223 | | p.read_given_char(sep)?; [INFO] [stdout] 224 | | } [INFO] [stdout] 225 | | inner(p) [INFO] [stdout] 226 | | }) [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/platform/linux/dev.rs:26:36 [INFO] [stdout] | [INFO] [stdout] 26 | .map_err(|_| Error::Io(io::Error::last_os_error()))?; [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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/platform/linux/dev.rs:26:36 [INFO] [stdout] | [INFO] [stdout] 26 | .map_err(|_| Error::Io(io::Error::last_os_error()))?; [INFO] [stdout] | - ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `libtuntap` (lib) due to 3 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `libtuntap` (lib test) due to 3 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e8aef57c1601164a5c2719f667ef44fdbab7c228207ec4b5736361b7c5daad98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8aef57c1601164a5c2719f667ef44fdbab7c228207ec4b5736361b7c5daad98", kill_on_drop: false }` [INFO] [stdout] e8aef57c1601164a5c2719f667ef44fdbab7c228207ec4b5736361b7c5daad98