[INFO] fetching crate combu 1.1.23...
[INFO] checking combu-1.1.23 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate combu 1.1.23 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate combu 1.1.23 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] removed /workspace/builds/worker-2-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate combu 1.1.23
[INFO] finished tweaking crates.io crate combu 1.1.23
[INFO] tweaked toml for crates.io crate combu 1.1.23 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate combu 1.1.23 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] 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] 55405a68bdce0016e8466a01b154a6d5e0898f9c30493b349159d7927c5b9c6d
[INFO] running `Command { std: "docker" "start" "-a" "55405a68bdce0016e8466a01b154a6d5e0898f9c30493b349159d7927c5b9c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55405a68bdce0016e8466a01b154a6d5e0898f9c30493b349159d7927c5b9c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55405a68bdce0016e8466a01b154a6d5e0898f9c30493b349159d7927c5b9c6d", kill_on_drop: false }`
[INFO] [stdout] 55405a68bdce0016e8466a01b154a6d5e0898f9c30493b349159d7927c5b9c6d
[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] 495a3dd53d31c6e09ed0beeaae4bc34e0ba54d31a8f1f2e4e4b26f0dd81d0dca
[INFO] running `Command { std: "docker" "start" "-a" "495a3dd53d31c6e09ed0beeaae4bc34e0ba54d31a8f1f2e4e4b26f0dd81d0dca", kill_on_drop: false }`
[INFO] [stderr]     Checking combu v1.1.23 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]     --> src/parser.rs:1705:5
[INFO] [stdout]      |
[INFO] [stdout] 1705 |                 format!("The flag --{} is an unknown flag.", flag_arg.name());
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/vector.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn from(vec: Vec<T>) -> Self {
[INFO] [stdout]    |             ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 13 |         Vector(Some(vec))
[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/vector.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn from(vec_deque: std::collections::VecDeque<T>) -> Self {
[INFO] [stdout]    |             ---------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 28 |         let vec: Vec<T> = vec_deque.into();
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 29 |         Vector(Some(vec))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/vector.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn with_inner(inner_vec: Vec<T>) -> Self {
[INFO] [stdout]    |                       ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 53 |         Vector(Some(inner_vec))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/vector.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn with_first_elem(elem: T) -> Self {
[INFO] [stdout]    |                            ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 63 |         Vector(Some(vec![elem]))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/vector.rs:245:10
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn from(f: Vector<T>) -> Vector<Vector<T>> {
[INFO] [stdout]     |             ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 245 |         Vector(Some(vec![f]))
[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 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `combu` (lib) due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]     --> src/parser.rs:1705:5
[INFO] [stdout]      |
[INFO] [stdout] 1705 |                 format!("The flag --{} is an unknown flag.", flag_arg.name());
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/vector.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn from(vec: Vec<T>) -> Self {
[INFO] [stdout]    |             ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 13 |         Vector(Some(vec))
[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/vector.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn from(vec_deque: std::collections::VecDeque<T>) -> Self {
[INFO] [stdout]    |             ---------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 28 |         let vec: Vec<T> = vec_deque.into();
[INFO] [stdout]    |             --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 29 |         Vector(Some(vec))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/vector.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn with_inner(inner_vec: Vec<T>) -> Self {
[INFO] [stdout]    |                       ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 53 |         Vector(Some(inner_vec))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/vector.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn with_first_elem(elem: T) -> Self {
[INFO] [stdout]    |                            ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 63 |         Vector(Some(vec![elem]))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/vector.rs:245:10
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn from(f: Vector<T>) -> Vector<Vector<T>> {
[INFO] [stdout]     |             ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 245 |         Vector(Some(vec![f]))
[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 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `combu` (lib test) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "495a3dd53d31c6e09ed0beeaae4bc34e0ba54d31a8f1f2e4e4b26f0dd81d0dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495a3dd53d31c6e09ed0beeaae4bc34e0ba54d31a8f1f2e4e4b26f0dd81d0dca", kill_on_drop: false }`
[INFO] [stdout] 495a3dd53d31c6e09ed0beeaae4bc34e0ba54d31a8f1f2e4e4b26f0dd81d0dca