[INFO] cloning repository https://github.com/cc13446/too_many_lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cc13446/too_many_lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcc13446%2Ftoo_many_lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcc13446%2Ftoo_many_lists'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dde4e032afea089169d8020bf72f643710cb1bfb [INFO] checking cc13446/too_many_lists against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcc13446%2Ftoo_many_lists" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cc13446/too_many_lists on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cc13446/too_many_lists [INFO] finished tweaking git repo https://github.com/cc13446/too_many_lists [INFO] tweaked toml for git repo https://github.com/cc13446/too_many_lists written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cc13446/too_many_lists 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5609d47adf610ca801dedabefb82eac34ac89d4b7d481667cf459b2c51e3e39 [INFO] running `Command { std: "docker" "start" "-a" "a5609d47adf610ca801dedabefb82eac34ac89d4b7d481667cf459b2c51e3e39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5609d47adf610ca801dedabefb82eac34ac89d4b7d481667cf459b2c51e3e39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5609d47adf610ca801dedabefb82eac34ac89d4b7d481667cf459b2c51e3e39", kill_on_drop: false }` [INFO] [stdout] a5609d47adf610ca801dedabefb82eac34ac89d4b7d481667cf459b2c51e3e39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28532770e13e5e589503482f2ff2448568121da28f7d07c611bd262346c6af76 [INFO] running `Command { std: "docker" "start" "-a" "28532770e13e5e589503482f2ff2448568121da28f7d07c611bd262346c6af76", kill_on_drop: false }` [INFO] [stderr] Checking too_many_lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::first::List` [INFO] [stdout] --> src/first.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | use crate::first::List; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::second::List` [INFO] [stdout] --> src/second.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | use crate::second::List; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "28532770e13e5e589503482f2ff2448568121da28f7d07c611bd262346c6af76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28532770e13e5e589503482f2ff2448568121da28f7d07c611bd262346c6af76", kill_on_drop: false }` [INFO] [stdout] 28532770e13e5e589503482f2ff2448568121da28f7d07c611bd262346c6af76 [INFO] checking cc13446/too_many_lists against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcc13446%2Ftoo_many_lists" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cc13446/too_many_lists on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cc13446/too_many_lists [INFO] finished tweaking git repo https://github.com/cc13446/too_many_lists [INFO] tweaked toml for git repo https://github.com/cc13446/too_many_lists written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cc13446/too_many_lists 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f910ab9b89aa8e0a70b428981eb8c4975bbabfd5b18d48d15fab6d73b4ab41f [INFO] running `Command { std: "docker" "start" "-a" "0f910ab9b89aa8e0a70b428981eb8c4975bbabfd5b18d48d15fab6d73b4ab41f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f910ab9b89aa8e0a70b428981eb8c4975bbabfd5b18d48d15fab6d73b4ab41f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f910ab9b89aa8e0a70b428981eb8c4975bbabfd5b18d48d15fab6d73b4ab41f", kill_on_drop: false }` [INFO] [stdout] 0f910ab9b89aa8e0a70b428981eb8c4975bbabfd5b18d48d15fab6d73b4ab41f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40f4b559527463851b255aa8be8b92294ca761571732285a95d522a79d024ae4 [INFO] running `Command { std: "docker" "start" "-a" "40f4b559527463851b255aa8be8b92294ca761571732285a95d522a79d024ae4", kill_on_drop: false }` [INFO] [stderr] Checking too_many_lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::first::List` [INFO] [stdout] --> src/first.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | use crate::first::List; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::second::List` [INFO] [stdout] --> src/second.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | use crate::second::List; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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/third.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn append(&self, elem: T) -> List { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 26 | List {head: Some(Rc::new(Node { [INFO] [stdout] | _____________________^ [INFO] [stdout] 27 | | elem, [INFO] [stdout] 28 | | next: self.head.clone(), [INFO] [stdout] 29 | | }))} [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/fourth.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 20 | fn new(elem: T) -> Rc> { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 21 | Rc::new(RefCell::new(Node { [INFO] [stdout] | _________________^ [INFO] [stdout] 22 | | elem, [INFO] [stdout] 23 | | prev: None, [INFO] [stdout] 24 | | next: None, [INFO] [stdout] 25 | | })) [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/fourth.rs:36:15 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn push_front(&mut self, elem: T) { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 35 | let new_head = Node::new(elem); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 36 | match self.head.take() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/fourth.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 50 | self.head.take().map(|old_head| { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 60 | Rc::try_unwrap(old_head).ok().unwrap().into_inner().elem [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/fourth.rs:78:15 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn push_back(&mut self, elem: T) { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 77 | let new_tail = Node::new(elem); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 78 | match self.tail.take() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/fourth.rs:102:13 [INFO] [stdout] | [INFO] [stdout] 92 | self.tail.take().map(|old_tail| { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 102 | Rc::try_unwrap(old_tail).ok().unwrap().into_inner().elem [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/fifth.rs:15:18 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(elem: T) -> Box> { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | Box::new(Node { elem, next: None }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `too_many_lists` (lib) due to 8 previous errors; 2 warnings emitted [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/third.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn append(&self, elem: T) -> List { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 26 | List {head: Some(Rc::new(Node { [INFO] [stdout] | _____________________^ [INFO] [stdout] 27 | | elem, [INFO] [stdout] 28 | | next: self.head.clone(), [INFO] [stdout] 29 | | }))} [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/fourth.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 20 | fn new(elem: T) -> Rc> { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 21 | Rc::new(RefCell::new(Node { [INFO] [stdout] | _________________^ [INFO] [stdout] 22 | | elem, [INFO] [stdout] 23 | | prev: None, [INFO] [stdout] 24 | | next: None, [INFO] [stdout] 25 | | })) [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/fourth.rs:36:15 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn push_front(&mut self, elem: T) { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 35 | let new_head = Node::new(elem); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 36 | match self.head.take() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/fourth.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 50 | self.head.take().map(|old_head| { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 60 | Rc::try_unwrap(old_head).ok().unwrap().into_inner().elem [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/fourth.rs:78:15 [INFO] [stdout] | [INFO] [stdout] 76 | pub fn push_back(&mut self, elem: T) { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 77 | let new_tail = Node::new(elem); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 78 | match self.tail.take() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/fourth.rs:102:13 [INFO] [stdout] | [INFO] [stdout] 92 | self.tail.take().map(|old_tail| { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 102 | Rc::try_unwrap(old_tail).ok().unwrap().into_inner().elem [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/fifth.rs:15:18 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new(elem: T) -> Box> { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 15 | Box::new(Node { elem, next: None }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `too_many_lists` (lib test) due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "40f4b559527463851b255aa8be8b92294ca761571732285a95d522a79d024ae4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40f4b559527463851b255aa8be8b92294ca761571732285a95d522a79d024ae4", kill_on_drop: false }` [INFO] [stdout] 40f4b559527463851b255aa8be8b92294ca761571732285a95d522a79d024ae4