[INFO] fetching crate kaguya_rs 0.1.5...
[INFO] checking kaguya_rs-0.1.5 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate kaguya_rs 0.1.5 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate kaguya_rs 0.1.5 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 kaguya_rs 0.1.5
[INFO] finished tweaking crates.io crate kaguya_rs 0.1.5
[INFO] tweaked toml for crates.io crate kaguya_rs 0.1.5 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" "+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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adb24cd84a62e629bb0fb82a4283cbcb2e6f2f8dd451c8fc221d2cb5b2b96f29
[INFO] running `Command { std: "docker" "start" "-a" "adb24cd84a62e629bb0fb82a4283cbcb2e6f2f8dd451c8fc221d2cb5b2b96f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adb24cd84a62e629bb0fb82a4283cbcb2e6f2f8dd451c8fc221d2cb5b2b96f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb24cd84a62e629bb0fb82a4283cbcb2e6f2f8dd451c8fc221d2cb5b2b96f29", kill_on_drop: false }`
[INFO] [stdout] adb24cd84a62e629bb0fb82a4283cbcb2e6f2f8dd451c8fc221d2cb5b2b96f29
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240ac9a51a83be3dc0522f8b34d27b10505bd65073ca8dc08b9d273341496e7b
[INFO] running `Command { std: "docker" "start" "-a" "240ac9a51a83be3dc0522f8b34d27b10505bd65073ca8dc08b9d273341496e7b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking kaguya_rs v0.1.5 (/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/basic_fn/fun.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn foldr<T,R>(init: R, f: impl Fn(R,T) -> R, it: impl DoubleEndedIterator<Item=T>) -> R {  
[INFO] [stdout]    |                   -------  --------------------  ------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                   |        |
[INFO] [stdout]    |                   |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                   these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 51 |     it.rev().fold(init, 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]    = 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/basic_fn/fun.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn filter_not<T>(f: impl Fn(&T) -> bool, it: impl Iterator<Item=T>) -> impl Iterator<Item=T> {
[INFO] [stdout]    |                      ----------------------  ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 71 |     it.filter(move |x| !f(x))
[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/basic_fn/fun.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub fn find<K:Hash+Eq,V>(key: K, mut it: impl Iterator<Item=(K,V)>) -> Option<(K,V)> {
[INFO] [stdout]     |                          ------  --------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 290 |     it.find(move |(x,_)| *x == key)
[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/basic_fn/fun.rs:326:5
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub fn zip<T,U>(it1: impl Iterator<Item=T>, it2: impl Iterator<Item=U>) -> Zip<impl Iterator<Item=T>, impl Iterator<Item=U>> {
[INFO] [stdout]     |                 --------------------------  -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 322 |     let mut ret1 = Vec::new();
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 323 |     ret1.extend(it1);
[INFO] [stdout] 324 |     let mut ret2 = Vec::new();
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 325 |     ret2.extend(it2);
[INFO] [stdout] 326 |     ret1.into_iter().zip(ret2.into_iter())
[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/basic_fn/fun.rs:326:26
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub fn zip<T,U>(it1: impl Iterator<Item=T>, it2: impl Iterator<Item=U>) -> Zip<impl Iterator<Item=T>, impl Iterator<Item=U>> {
[INFO] [stdout]     |                 --------------------------  -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 322 |     let mut ret1 = Vec::new();
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 323 |     ret1.extend(it1);
[INFO] [stdout] 324 |     let mut ret2 = Vec::new();
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 325 |     ret2.extend(it2);
[INFO] [stdout] 326 |     ret1.into_iter().zip(ret2.into_iter())
[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/basic_fn/fun.rs:336:5
[INFO] [stdout]     |
[INFO] [stdout] 335 | pub fn zip_with<T,U,V>(f: impl Fn((T,U)) -> V, it1: impl Iterator<Item=T>, it2: impl Iterator<Item=U>) -> impl Iterator<Item=V> {
[INFO] [stdout]     |                        ----------------------  --------------------------  -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                        |                       |
[INFO] [stdout]     |                        |                       these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 336 |     zip(it1,it2).map(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 6 previous errors
[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/basic_fn/fun.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn foldr<T,R>(init: R, f: impl Fn(R,T) -> R, it: impl DoubleEndedIterator<Item=T>) -> R {  
[INFO] [stdout]    |                   -------  --------------------  ------------------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                   |        |
[INFO] [stdout]    |                   |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                   these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 51 |     it.rev().fold(init, 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]    = 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/basic_fn/fun.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn filter_not<T>(f: impl Fn(&T) -> bool, it: impl Iterator<Item=T>) -> impl Iterator<Item=T> {
[INFO] [stdout]    |                      ----------------------  ------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 71 |     it.filter(move |x| !f(x))
[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/basic_fn/fun.rs:290:13
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub fn find<K:Hash+Eq,V>(key: K, mut it: impl Iterator<Item=(K,V)>) -> Option<(K,V)> {
[INFO] [stdout]     |                          ------  --------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 290 |     it.find(move |(x,_)| *x == key)
[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/basic_fn/fun.rs:326:5
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub fn zip<T,U>(it1: impl Iterator<Item=T>, it2: impl Iterator<Item=U>) -> Zip<impl Iterator<Item=T>, impl Iterator<Item=U>> {
[INFO] [stdout]     |                 --------------------------  -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 322 |     let mut ret1 = Vec::new();
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 323 |     ret1.extend(it1);
[INFO] [stdout] 324 |     let mut ret2 = Vec::new();
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 325 |     ret2.extend(it2);
[INFO] [stdout] 326 |     ret1.into_iter().zip(ret2.into_iter())
[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/basic_fn/fun.rs:326:26
[INFO] [stdout]     |
[INFO] [stdout] 321 | pub fn zip<T,U>(it1: impl Iterator<Item=T>, it2: impl Iterator<Item=U>) -> Zip<impl Iterator<Item=T>, impl Iterator<Item=U>> {
[INFO] [stdout]     |                 --------------------------  -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 322 |     let mut ret1 = Vec::new();
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 323 |     ret1.extend(it1);
[INFO] [stdout] 324 |     let mut ret2 = Vec::new();
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 325 |     ret2.extend(it2);
[INFO] [stdout] 326 |     ret1.into_iter().zip(ret2.into_iter())
[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/basic_fn/fun.rs:336:5
[INFO] [stdout]     |
[INFO] [stdout] 335 | pub fn zip_with<T,U,V>(f: impl Fn((T,U)) -> V, it1: impl Iterator<Item=T>, it2: impl Iterator<Item=U>) -> impl Iterator<Item=V> {
[INFO] [stdout]     |                        ----------------------  --------------------------  -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                        |                       |
[INFO] [stdout]     |                        |                       these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |                        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 336 |     zip(it1,it2).map(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] [stderr] error: could not compile `kaguya_rs` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kaguya_rs` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "240ac9a51a83be3dc0522f8b34d27b10505bd65073ca8dc08b9d273341496e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240ac9a51a83be3dc0522f8b34d27b10505bd65073ca8dc08b9d273341496e7b", kill_on_drop: false }`
[INFO] [stdout] 240ac9a51a83be3dc0522f8b34d27b10505bd65073ca8dc08b9d273341496e7b