[INFO] cloning repository https://github.com/bsjhx/too-many-linked-lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bsjhx/too-many-linked-lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsjhx%2Ftoo-many-linked-lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsjhx%2Ftoo-many-linked-lists'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dfffc07f635d3152af55f4f58932034189310015 [INFO] checking bsjhx/too-many-linked-lists against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsjhx%2Ftoo-many-linked-lists" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bsjhx/too-many-linked-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/bsjhx/too-many-linked-lists [INFO] finished tweaking git repo https://github.com/bsjhx/too-many-linked-lists [INFO] tweaked toml for git repo https://github.com/bsjhx/too-many-linked-lists written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bsjhx/too-many-linked-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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 44c59b306bc20eda3cdad6be19c0ffb4b9cfcc15db10a503e4c382922cd90de4 [INFO] running `Command { std: "docker" "start" "-a" "44c59b306bc20eda3cdad6be19c0ffb4b9cfcc15db10a503e4c382922cd90de4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44c59b306bc20eda3cdad6be19c0ffb4b9cfcc15db10a503e4c382922cd90de4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44c59b306bc20eda3cdad6be19c0ffb4b9cfcc15db10a503e4c382922cd90de4", kill_on_drop: false }` [INFO] [stdout] 44c59b306bc20eda3cdad6be19c0ffb4b9cfcc15db10a503e4c382922cd90de4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a5d437add638f5eb43d06fc2aa79bbeeddb0756fb3ac8fc178bf5c998b59003b [INFO] running `Command { std: "docker" "start" "-a" "a5d437add638f5eb43d06fc2aa79bbeeddb0756fb3ac8fc178bf5c998b59003b", kill_on_drop: false }` [INFO] [stderr] Checking lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::first::List` [INFO] [stdout] --> src/first.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | 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: `super::*` [INFO] [stdout] --> src/second.rs:116:9 [INFO] [stdout] | [INFO] [stdout] 116 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `More` is never constructed [INFO] [stdout] --> src/first.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | enum Link { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 8 | Empty, [INFO] [stdout] 9 | More(Box) [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `elem` is never read [INFO] [stdout] --> src/first.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 13 | elem: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used [INFO] [stdout] --> src/first.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl List { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 18 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn push(&mut self, elem: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "a5d437add638f5eb43d06fc2aa79bbeeddb0756fb3ac8fc178bf5c998b59003b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5d437add638f5eb43d06fc2aa79bbeeddb0756fb3ac8fc178bf5c998b59003b", kill_on_drop: false }` [INFO] [stdout] a5d437add638f5eb43d06fc2aa79bbeeddb0756fb3ac8fc178bf5c998b59003b [INFO] checking bsjhx/too-many-linked-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%2Fbsjhx%2Ftoo-many-linked-lists" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bsjhx/too-many-linked-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/bsjhx/too-many-linked-lists [INFO] finished tweaking git repo https://github.com/bsjhx/too-many-linked-lists [INFO] tweaked toml for git repo https://github.com/bsjhx/too-many-linked-lists written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bsjhx/too-many-linked-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-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f170259cf2cb41d4e482948c238fe227862154ac2dc9bdece1cacc11c0979456 [INFO] running `Command { std: "docker" "start" "-a" "f170259cf2cb41d4e482948c238fe227862154ac2dc9bdece1cacc11c0979456", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f170259cf2cb41d4e482948c238fe227862154ac2dc9bdece1cacc11c0979456", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f170259cf2cb41d4e482948c238fe227862154ac2dc9bdece1cacc11c0979456", kill_on_drop: false }` [INFO] [stdout] f170259cf2cb41d4e482948c238fe227862154ac2dc9bdece1cacc11c0979456 [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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7232c0cf0ec3c55115aad23097603b50b19f53b3c1dc36f7105950a63f0f50ef [INFO] running `Command { std: "docker" "start" "-a" "7232c0cf0ec3c55115aad23097603b50b19f53b3c1dc36f7105950a63f0f50ef", kill_on_drop: false }` [INFO] [stderr] Checking lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::first::List` [INFO] [stdout] --> src/first.rs:61:9 [INFO] [stdout] | [INFO] [stdout] 61 | 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: `super::*` [INFO] [stdout] --> src/second.rs:116:9 [INFO] [stdout] | [INFO] [stdout] 116 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `More` is never constructed [INFO] [stdout] --> src/first.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | enum Link { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 8 | Empty, [INFO] [stdout] 9 | More(Box) [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `elem` is never read [INFO] [stdout] --> src/first.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 13 | elem: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, and `pop` are never used [INFO] [stdout] --> src/first.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 17 | impl List { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 18 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn push(&mut self, elem: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn pop(&mut self) -> Option { [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:29:19 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn prepend(&self, elem: T) -> List { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 28 | List { [INFO] [stdout] 29 | head: Some(Rc::new(Node { [INFO] [stdout] | ___________________^ [INFO] [stdout] 30 | | elem, [INFO] [stdout] 31 | | next: self.head.clone(), [INFO] [stdout] 32 | | })), [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:32:15 [INFO] [stdout] | [INFO] [stdout] 29 | 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] 30 | // new node needs +2 links, everything else should be +0 [INFO] [stdout] 31 | 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] 32 | 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:47:15 [INFO] [stdout] | [INFO] [stdout] 45 | 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] 46 | 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] 47 | 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:76:13 [INFO] [stdout] | [INFO] [stdout] 62 | self.head.take().map(|old_head| { // -1 old [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 76 | 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:91:13 [INFO] [stdout] | [INFO] [stdout] 81 | 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] 91 | 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/fourth.rs:135:17 [INFO] [stdout] | [INFO] [stdout] 134 | pub 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] 135 | Rc::new(RefCell::new(Node { [INFO] [stdout] | _________________^ [INFO] [stdout] 136 | | elem, [INFO] [stdout] 137 | | next: None, [INFO] [stdout] 138 | | prev: None, [INFO] [stdout] 139 | | })) [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 6 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lists` (lib) due to 7 previous errors; 5 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:29:19 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn prepend(&self, elem: T) -> List { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 28 | List { [INFO] [stdout] 29 | head: Some(Rc::new(Node { [INFO] [stdout] | ___________________^ [INFO] [stdout] 30 | | elem, [INFO] [stdout] 31 | | next: self.head.clone(), [INFO] [stdout] 32 | | })), [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:32:15 [INFO] [stdout] | [INFO] [stdout] 29 | 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] 30 | // new node needs +2 links, everything else should be +0 [INFO] [stdout] 31 | 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] 32 | 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:47:15 [INFO] [stdout] | [INFO] [stdout] 45 | 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] 46 | 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] 47 | 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:76:13 [INFO] [stdout] | [INFO] [stdout] 62 | self.head.take().map(|old_head| { // -1 old [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 76 | 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:91:13 [INFO] [stdout] | [INFO] [stdout] 81 | 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] 91 | 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/fourth.rs:135:17 [INFO] [stdout] | [INFO] [stdout] 134 | pub 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] 135 | Rc::new(RefCell::new(Node { [INFO] [stdout] | _________________^ [INFO] [stdout] 136 | | elem, [INFO] [stdout] 137 | | next: None, [INFO] [stdout] 138 | | prev: None, [INFO] [stdout] 139 | | })) [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 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lists` (lib test) due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "7232c0cf0ec3c55115aad23097603b50b19f53b3c1dc36f7105950a63f0f50ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7232c0cf0ec3c55115aad23097603b50b19f53b3c1dc36f7105950a63f0f50ef", kill_on_drop: false }` [INFO] [stdout] 7232c0cf0ec3c55115aad23097603b50b19f53b3c1dc36f7105950a63f0f50ef