[INFO] fetching crate tun 0.6.1... [INFO] checking tun-0.6.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate tun 0.6.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate tun 0.6.1 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 tun 0.6.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate tun 0.6.1 [INFO] tweaked toml for crates.io crate tun 0.6.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate tun 0.6.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 362a6995ac76d738f634271438a48e2230c40b4a02eb84de8fdc2a1587193a3d [INFO] running `Command { std: "docker" "start" "-a" "362a6995ac76d738f634271438a48e2230c40b4a02eb84de8fdc2a1587193a3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "362a6995ac76d738f634271438a48e2230c40b4a02eb84de8fdc2a1587193a3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "362a6995ac76d738f634271438a48e2230c40b4a02eb84de8fdc2a1587193a3d", kill_on_drop: false }` [INFO] [stdout] 362a6995ac76d738f634271438a48e2230c40b4a02eb84de8fdc2a1587193a3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 94e23035a4b5eb71a5f590f9205e006664efd75685c649fd93470ea5368cfd83 [INFO] running `Command { std: "docker" "start" "-a" "94e23035a4b5eb71a5f590f9205e006664efd75685c649fd93470ea5368cfd83", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking siphasher v0.3.6 [INFO] [stderr] Checking futures-sink v0.3.16 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling hwaddr v0.1.7 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.16 [INFO] [stderr] Compiling futures-macro v0.3.16 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking ioctl-sys v0.8.0 [INFO] [stderr] Checking phf_shared v0.8.0 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Checking packet v0.1.4 [INFO] [stderr] Checking tun v0.6.1 (/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/platform/linux/device.rs:170:10 [INFO] [stdout] | [INFO] [stdout] 168 | pub fn split(mut self) -> (posix::Reader, posix::Writer) { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 169 | let fd = Arc::new(self.queues.swap_remove(0).tun); [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 170 | (posix::Reader(fd.clone()), posix::Writer(fd.clone())) [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/device.rs:170:37 [INFO] [stdout] | [INFO] [stdout] 168 | pub fn split(mut self) -> (posix::Reader, posix::Writer) { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 169 | let fd = Arc::new(self.queues.swap_remove(0).tun); [INFO] [stdout] | -- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 170 | (posix::Reader(fd.clone()), posix::Writer(fd.clone())) [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tun` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "94e23035a4b5eb71a5f590f9205e006664efd75685c649fd93470ea5368cfd83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94e23035a4b5eb71a5f590f9205e006664efd75685c649fd93470ea5368cfd83", kill_on_drop: false }` [INFO] [stdout] 94e23035a4b5eb71a5f590f9205e006664efd75685c649fd93470ea5368cfd83