[INFO] fetching crate obnth 0.1.1... [INFO] building obnth-0.1.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate obnth 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate obnth 0.1.1 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate obnth 0.1.1 [INFO] finished tweaking crates.io crate obnth 0.1.1 [INFO] tweaked toml for crates.io crate obnth 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 21 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3916b4b84e9417b37105c8c7c9f60cdb52503b63da23a15d173e3ffa3e17c5d9 [INFO] running `Command { std: "docker" "start" "-a" "3916b4b84e9417b37105c8c7c9f60cdb52503b63da23a15d173e3ffa3e17c5d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3916b4b84e9417b37105c8c7c9f60cdb52503b63da23a15d173e3ffa3e17c5d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3916b4b84e9417b37105c8c7c9f60cdb52503b63da23a15d173e3ffa3e17c5d9", kill_on_drop: false }` [INFO] [stdout] 3916b4b84e9417b37105c8c7c9f60cdb52503b63da23a15d173e3ffa3e17c5d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29650a5a165459bb3ed7089610e39f9fd0ade4d1a2cf7c64c6b1367341da2cd0 [INFO] running `Command { std: "docker" "start" "-a" "29650a5a165459bb3ed7089610e39f9fd0ade4d1a2cf7c64c6b1367341da2cd0", kill_on_drop: false }` [INFO] [stderr] Compiling obnth v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused attribute `repr` [INFO] [stdout] --> src/sys.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #[repr(transparent)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the built-in attribute `repr` will be ignored, since it's applied to the macro invocation `bitflags::bitflags` [INFO] [stdout] --> src/sys.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | bitflags::bitflags! { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/dir/mod.rs:31:27 [INFO] [stdout] | [INFO] [stdout] 31 | const NOREPLACE = libc::RENAME_NOREPLACE; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found `u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/dir/mod.rs:33:26 [INFO] [stdout] | [INFO] [stdout] 33 | const EXCHANGE = libc::RENAME_EXCHANGE; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found `u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/dir/mod.rs:38:26 [INFO] [stdout] | [INFO] [stdout] 38 | const WHITEOUT = libc::RENAME_WHITEOUT; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found `u32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/open.rs:404:23 [INFO] [stdout] | [INFO] [stdout] 329 | let mut cur_file: Option = None; [INFO] [stdout] | ------------ [INFO] [stdout] | | [INFO] [stdout] | `cur_file` calls a custom destructor [INFO] [stdout] | `cur_file` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 359 | while let Some((part, flags)) = parts.pop_front() { [INFO] [stdout] | ---- [INFO] [stdout] | | [INFO] [stdout] | `part` calls a custom destructor [INFO] [stdout] | `part` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 387 | cur_file = Some(util::openat( [INFO] [stdout] | _____________________________________- [INFO] [stdout] 388 | | cur_fd, [INFO] [stdout] 389 | | unsafe { CStr::from_bytes_with_nul_unchecked(b"..\0") }, [INFO] [stdout] 390 | | flags, [INFO] [stdout] 391 | | mode, [INFO] [stdout] 392 | | )?); [INFO] [stdout] | | - [INFO] [stdout] | | | [INFO] [stdout] | |______________________this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | `#1` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 404 | match open_part(cur_fd, &part, flags, mode) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 499 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/std/src/os/fd/owned.rs:172:1 [INFO] [stdout] note: `cur_file` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/std/src/os/fd/owned.rs:172:1 [INFO] [stdout] note: `part` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/alloc/src/ffi/c_str.rs:694:1 [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/std/src/os/fd/owned.rs:172:1 [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/open.rs:359:37 [INFO] [stdout] | [INFO] [stdout] 329 | let mut cur_file: Option = None; [INFO] [stdout] | ------------ [INFO] [stdout] | | [INFO] [stdout] | `cur_file` calls a custom destructor [INFO] [stdout] | `cur_file` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 359 | while let Some((part, flags)) = parts.pop_front() { [INFO] [stdout] | ---- ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | | up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] | `part` calls a custom destructor [INFO] [stdout] | `part` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 387 | cur_file = Some(util::openat( [INFO] [stdout] | _____________________________________- [INFO] [stdout] 388 | | cur_fd, [INFO] [stdout] 389 | | unsafe { CStr::from_bytes_with_nul_unchecked(b"..\0") }, [INFO] [stdout] 390 | | flags, [INFO] [stdout] 391 | | mode, [INFO] [stdout] 392 | | )?); [INFO] [stdout] | | - [INFO] [stdout] | | | [INFO] [stdout] | |______________________this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | `#1` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 501 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/alloc/src/ffi/c_str.rs:694:1 [INFO] [stdout] note: `cur_file` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/std/src/os/fd/owned.rs:172:1 [INFO] [stdout] note: `part` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/alloc/src/ffi/c_str.rs:694:1 [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/std/src/os/fd/owned.rs:172:1 [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `obnth` (lib) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "29650a5a165459bb3ed7089610e39f9fd0ade4d1a2cf7c64c6b1367341da2cd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29650a5a165459bb3ed7089610e39f9fd0ade4d1a2cf7c64c6b1367341da2cd0", kill_on_drop: false }` [INFO] [stdout] 29650a5a165459bb3ed7089610e39f9fd0ade4d1a2cf7c64c6b1367341da2cd0