[INFO] fetching crate sorting-vec 0.1.1...
[INFO] checking sorting-vec-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate sorting-vec 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate sorting-vec 0.1.1 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 sorting-vec 0.1.1
[INFO] finished tweaking crates.io crate sorting-vec 0.1.1
[INFO] tweaked toml for crates.io crate sorting-vec 0.1.1 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] 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] 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] 1bde8cfe003ea84c4c80b1653568f929a5db0dc39479f02d8cc1c286d8a71e95
[INFO] running `Command { std: "docker" "start" "-a" "1bde8cfe003ea84c4c80b1653568f929a5db0dc39479f02d8cc1c286d8a71e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bde8cfe003ea84c4c80b1653568f929a5db0dc39479f02d8cc1c286d8a71e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bde8cfe003ea84c4c80b1653568f929a5db0dc39479f02d8cc1c286d8a71e95", kill_on_drop: false }`
[INFO] [stdout] 1bde8cfe003ea84c4c80b1653568f929a5db0dc39479f02d8cc1c286d8a71e95
[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] 7681101832fe82284856a0eb8881b54d7f48d2f6427dace15b0c5e12d50a0ba1
[INFO] running `Command { std: "docker" "start" "-a" "7681101832fe82284856a0eb8881b54d7f48d2f6427dace15b0c5e12d50a0ba1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking sorting-vec v0.1.1 (/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:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn btree_sort<T: Ord>(vec: Vec<T>) -> BTreeMap<T, usize> {
[INFO] [stdout]   |                           ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 4 |     vec.into_iter().fold(BTreeMap::new(), |mut acc, e| {
[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:4:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn btree_sort<T: Ord>(vec: Vec<T>) -> BTreeMap<T, usize> {
[INFO] [stdout]   |                           ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 4 |     vec.into_iter().fold(BTreeMap::new(), |mut acc, e| {
[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/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn uniques(self) -> Vec<T> {
[INFO] [stdout]    |                ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 20 |         self.into_iter().map(|(k, _)| k).collect::<Vec<T>>()
[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/lib.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |       fn sorted(self) -> Vec<T> {
[INFO] [stdout]    |                 ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 | /         self.into_iter()
[INFO] [stdout] 31 | |             .map(|(k, v)| vec![k; v])
[INFO] [stdout] 32 | |             .flatten()
[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/lib.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn uniques(self) -> Vec<T> {
[INFO] [stdout]    |                ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 49 |         btree_sort(self).into_iter().map(|(k, _)| k).collect::<Vec<T>>()
[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/lib.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |       fn sorted(self) -> Vec<T> {
[INFO] [stdout]    |                 ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 59 | /         btree_sort(self).into_iter()
[INFO] [stdout] 60 | |             .map(|(k, v)| vec![k; v])
[INFO] [stdout] 61 | |             .flatten()
[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 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sorting-vec` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn btree_sort<T: Ord>(vec: Vec<T>) -> BTreeMap<T, usize> {
[INFO] [stdout]   |                           ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 4 |     vec.into_iter().fold(BTreeMap::new(), |mut acc, e| {
[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:4:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn btree_sort<T: Ord>(vec: Vec<T>) -> BTreeMap<T, usize> {
[INFO] [stdout]   |                           ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 4 |     vec.into_iter().fold(BTreeMap::new(), |mut acc, e| {
[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/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn uniques(self) -> Vec<T> {
[INFO] [stdout]    |                ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 20 |         self.into_iter().map(|(k, _)| k).collect::<Vec<T>>()
[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/lib.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |       fn sorted(self) -> Vec<T> {
[INFO] [stdout]    |                 ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 30 | /         self.into_iter()
[INFO] [stdout] 31 | |             .map(|(k, v)| vec![k; v])
[INFO] [stdout] 32 | |             .flatten()
[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/lib.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn uniques(self) -> Vec<T> {
[INFO] [stdout]    |                ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 49 |         btree_sort(self).into_iter().map(|(k, _)| k).collect::<Vec<T>>()
[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/lib.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |       fn sorted(self) -> Vec<T> {
[INFO] [stdout]    |                 ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 59 | /         btree_sort(self).into_iter()
[INFO] [stdout] 60 | |             .map(|(k, v)| vec![k; v])
[INFO] [stdout] 61 | |             .flatten()
[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 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sorting-vec` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "7681101832fe82284856a0eb8881b54d7f48d2f6427dace15b0c5e12d50a0ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7681101832fe82284856a0eb8881b54d7f48d2f6427dace15b0c5e12d50a0ba1", kill_on_drop: false }`
[INFO] [stdout] 7681101832fe82284856a0eb8881b54d7f48d2f6427dace15b0c5e12d50a0ba1