[INFO] fetching crate closefds 0.1.0...
[INFO] checking closefds-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate closefds 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate closefds 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate closefds 0.1.0
[INFO] finished tweaking crates.io crate closefds 0.1.0
[INFO] tweaked toml for crates.io crate closefds 0.1.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding errno v0.2.8 (available: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13207f86b2a2babb435fafda382da02a41ffbb8750a8fa327f908eb427f123ee
[INFO] running `Command { std: "docker" "start" "-a" "13207f86b2a2babb435fafda382da02a41ffbb8750a8fa327f908eb427f123ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13207f86b2a2babb435fafda382da02a41ffbb8750a8fa327f908eb427f123ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13207f86b2a2babb435fafda382da02a41ffbb8750a8fa327f908eb427f123ee", kill_on_drop: false }`
[INFO] [stdout] 13207f86b2a2babb435fafda382da02a41ffbb8750a8fa327f908eb427f123ee
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec99cca00e66012a22d9469de006b6fdb6424ebf297e7cbe7766aaa2f4d77b16
[INFO] running `Command { std: "docker" "start" "-a" "ec99cca00e66012a22d9469de006b6fdb6424ebf297e7cbe7766aaa2f4d77b16", kill_on_drop: false }`
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking closefds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `std::io::Error` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/bin/test_prog.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut f = unsafe { File::from_raw_fd(w1) };
[INFO] [stdout]    |         ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 23 |             io::Error::last_os_error().raw_os_error().unwrap(),
[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: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `std::io::Error` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/bin/test_prog.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut f = unsafe { File::from_raw_fd(w1) };
[INFO] [stdout]    |         ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 23 |             io::Error::last_os_error().raw_os_error().unwrap(),
[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] [stderr] error: could not compile `closefds` (bin "test_prog" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `closefds` (bin "test_prog") due to 2 previous errors
[INFO] [stdout] warning: use of deprecated method `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead
[INFO] [stdout]   --> tests/tests.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     cmd.before_exec(close_func);
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec99cca00e66012a22d9469de006b6fdb6424ebf297e7cbe7766aaa2f4d77b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec99cca00e66012a22d9469de006b6fdb6424ebf297e7cbe7766aaa2f4d77b16", kill_on_drop: false }`
[INFO] [stdout] ec99cca00e66012a22d9469de006b6fdb6424ebf297e7cbe7766aaa2f4d77b16