[INFO] fetching crate eventfd 0.2.0...
[INFO] checking eventfd-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate eventfd 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate eventfd 0.2.0 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 eventfd 0.2.0
[INFO] finished tweaking crates.io crate eventfd 0.2.0
[INFO] tweaked toml for crates.io crate eventfd 0.2.0 written to /workspace/builds/worker-2-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 7 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding memoffset v0.6.5 (latest: v0.9.1)
[INFO] [stderr]       Adding nix v0.24.3 (latest: v0.29.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5c0853a7719f2d27f90b8a8a4555802cde6bcd8805596d0b479da99e807063dd
[INFO] running `Command { std: "docker" "start" "-a" "5c0853a7719f2d27f90b8a8a4555802cde6bcd8805596d0b479da99e807063dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c0853a7719f2d27f90b8a8a4555802cde6bcd8805596d0b479da99e807063dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0853a7719f2d27f90b8a8a4555802cde6bcd8805596d0b479da99e807063dd", kill_on_drop: false }`
[INFO] [stdout] 5c0853a7719f2d27f90b8a8a4555802cde6bcd8805596d0b479da99e807063dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c1a424a1328d1d0cd603561394e61f907927b26d6387ca61c4e80a3047865083
[INFO] running `Command { std: "docker" "start" "-a" "c1a424a1328d1d0cd603561394e61f907927b26d6387ca61c4e80a3047865083", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking eventfd v0.2.0 (/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:165:15
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let efd = match EventFD::new(0, EfdFlags::EFD_SEMAPHORE | EfdFlags::EFD_NONBLOCK) {
[INFO] [stdout]     |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 148 |             Err(e) => panic!("new failed {}", e),
[INFO] [stdout]     |                 - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 149 |             Ok(fd) => fd,
[INFO] [stdout]     |                -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 165 |         match efd.read() {
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/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:202:24
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let (tx, rx) = std::sync::mpsc::channel();
[INFO] [stdout]     |                  -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 201 |             let efd = rx.recv().unwrap();
[INFO] [stdout]     |                 --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 202 |             assert_eq!(efd.read().unwrap(), 11)
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eventfd` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c1a424a1328d1d0cd603561394e61f907927b26d6387ca61c4e80a3047865083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a424a1328d1d0cd603561394e61f907927b26d6387ca61c4e80a3047865083", kill_on_drop: false }`
[INFO] [stdout] c1a424a1328d1d0cd603561394e61f907927b26d6387ca61c4e80a3047865083