[INFO] fetching crate loopdev 0.4.0... [INFO] checking loopdev-0.4.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate loopdev 0.4.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate loopdev 0.4.0 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 loopdev 0.4.0 [INFO] finished tweaking crates.io crate loopdev 0.4.0 [INFO] tweaked toml for crates.io crate loopdev 0.4.0 written to /workspace/builds/worker-7-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] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 54 packages to latest compatible versions [INFO] [stderr] Adding bindgen v0.59.2 (latest: v0.70.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding errno v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (latest: v0.6.5) [INFO] [stderr] Adding peeking_take_while v0.1.2 (latest: v1.0.0) [INFO] [stderr] Adding rustc-hash v1.1.0 (latest: v2.0.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 70e9a229c0102617cd5577208e189a93c1845e9a9dd2b52627d738c16f81fd30 [INFO] running `Command { std: "docker" "start" "-a" "70e9a229c0102617cd5577208e189a93c1845e9a9dd2b52627d738c16f81fd30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70e9a229c0102617cd5577208e189a93c1845e9a9dd2b52627d738c16f81fd30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70e9a229c0102617cd5577208e189a93c1845e9a9dd2b52627d738c16f81fd30", kill_on_drop: false }` [INFO] [stdout] 70e9a229c0102617cd5577208e189a93c1845e9a9dd2b52627d738c16f81fd30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a81d489b8aa292b26c99405682bb668dfb94d9d9c569976e57a630efe2f1d12c [INFO] running `Command { std: "docker" "start" "-a" "a81d489b8aa292b26c99405682bb668dfb94d9d9c569976e57a630efe2f1d12c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling bindgen v0.59.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling libloading v0.8.5 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Compiling serde_json v1.0.127 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking errno v0.2.8 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Checking tempfile v3.12.0 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling regex v1.10.6 [INFO] [stderr] Compiling loopdev v0.4.0 (/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/lib.rs:148:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn open>(dev: P) -> io::Result { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 147 | // TODO create dev if it does not exist and begins with LOOP_PREFIX [INFO] [stdout] 148 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 149 | | device: OpenOptions::new().read(true).write(true).open(dev)?, [INFO] [stdout] 150 | | }) [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:226:15 [INFO] [stdout] | [INFO] [stdout] 209 | fn attach_fd_with_loop_info(&self, bf: impl AsRawFd, info: loop_info64) -> io::Result<()> { [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 226 | match ioctl_to_error(result) { [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 `loopdev` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a81d489b8aa292b26c99405682bb668dfb94d9d9c569976e57a630efe2f1d12c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a81d489b8aa292b26c99405682bb668dfb94d9d9c569976e57a630efe2f1d12c", kill_on_drop: false }` [INFO] [stdout] a81d489b8aa292b26c99405682bb668dfb94d9d9c569976e57a630efe2f1d12c