[INFO] cloning repository https://github.com/slightknack/together
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slightknack/together" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Ftogether", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Ftogether'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ed7cac40f1804fc30cc2420072c3ff39bb1f191
[INFO] checking slightknack/together against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightknack%2Ftogether" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slightknack/together 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/slightknack/together
[INFO] finished tweaking git repo https://github.com/slightknack/together
[INFO] tweaked toml for git repo https://github.com/slightknack/together written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/slightknack/together 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a3839181b4afdc2a4609ca1a3b045fea09e96e574540423c11d117b51483e33d
[INFO] running `Command { std: "docker" "start" "-a" "a3839181b4afdc2a4609ca1a3b045fea09e96e574540423c11d117b51483e33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3839181b4afdc2a4609ca1a3b045fea09e96e574540423c11d117b51483e33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3839181b4afdc2a4609ca1a3b045fea09e96e574540423c11d117b51483e33d", kill_on_drop: false }`
[INFO] [stdout] a3839181b4afdc2a4609ca1a3b045fea09e96e574540423c11d117b51483e33d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8f9ebbe8e70f2fcc071c891d9a76fa90cd53c96a52100771cf84352e2b3fafc6
[INFO] running `Command { std: "docker" "start" "-a" "8f9ebbe8e70f2fcc071c891d9a76fa90cd53c96a52100771cf84352e2b3fafc6", kill_on_drop: false }`
[INFO] [stderr]     Checking together v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `split` and `append` are never used
[INFO] [stdout]  --> src/collection.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Collection where Self: Sized {
[INFO] [stdout]   |           ---------- methods in this trait
[INFO] [stdout] 2 |     fn len(&self) -> usize;
[INFO] [stdout] 3 |     fn split(self, index: usize) -> (Self, Self);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 4 |     fn append(&mut self, other: Self);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/tree_log.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct User(usize);
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Id` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Id(User, usize, usize);
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edit` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Edit {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `History` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct History<T: Collection> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeLog` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct TreeLog<T: Collection> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Leaf` is never constructed
[INFO] [stdout]  --> src/index_tree.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum IndexTree<T> {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Leaf(T),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `insert` are never used
[INFO] [stdout]   --> src/index_tree.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl<T> IndexTree<T> {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn get(&self, index: usize) -> &T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn insert(&mut self, item: T, index: usize) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `split` and `append` are never used
[INFO] [stdout]  --> src/collection.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Collection where Self: Sized {
[INFO] [stdout]   |           ---------- methods in this trait
[INFO] [stdout] 2 |     fn len(&self) -> usize;
[INFO] [stdout] 3 |     fn split(self, index: usize) -> (Self, Self);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 4 |     fn append(&mut self, other: Self);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/tree_log.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct User(usize);
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Id` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Id(User, usize, usize);
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edit` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Edit {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `History` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct History<T: Collection> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeLog` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct TreeLog<T: Collection> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Leaf` is never constructed
[INFO] [stdout]  --> src/index_tree.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum IndexTree<T> {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Leaf(T),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `insert` are never used
[INFO] [stdout]   --> src/index_tree.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl<T> IndexTree<T> {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn get(&self, index: usize) -> &T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn insert(&mut self, item: T, index: usize) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "8f9ebbe8e70f2fcc071c891d9a76fa90cd53c96a52100771cf84352e2b3fafc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9ebbe8e70f2fcc071c891d9a76fa90cd53c96a52100771cf84352e2b3fafc6", kill_on_drop: false }`
[INFO] [stdout] 8f9ebbe8e70f2fcc071c891d9a76fa90cd53c96a52100771cf84352e2b3fafc6
[INFO] checking slightknack/together 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%2Fslightknack%2Ftogether" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slightknack/together 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/slightknack/together
[INFO] finished tweaking git repo https://github.com/slightknack/together
[INFO] tweaked toml for git repo https://github.com/slightknack/together written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/slightknack/together 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 17a656c76217e0901e7c548240f9ed4495c92aad1291de2a9b3472b20c6571c4
[INFO] running `Command { std: "docker" "start" "-a" "17a656c76217e0901e7c548240f9ed4495c92aad1291de2a9b3472b20c6571c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17a656c76217e0901e7c548240f9ed4495c92aad1291de2a9b3472b20c6571c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a656c76217e0901e7c548240f9ed4495c92aad1291de2a9b3472b20c6571c4", kill_on_drop: false }`
[INFO] [stdout] 17a656c76217e0901e7c548240f9ed4495c92aad1291de2a9b3472b20c6571c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e02957a88c93c93d780966905d3df6e96a347b52f43f9bcec259e5e2273d1847
[INFO] running `Command { std: "docker" "start" "-a" "e02957a88c93c93d780966905d3df6e96a347b52f43f9bcec259e5e2273d1847", kill_on_drop: false }`
[INFO] [stderr]     Checking together v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `split` and `append` are never used
[INFO] [stdout]  --> src/collection.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Collection where Self: Sized {
[INFO] [stdout]   |           ---------- methods in this trait
[INFO] [stdout] 2 |     fn len(&self) -> usize;
[INFO] [stdout] 3 |     fn split(self, index: usize) -> (Self, Self);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 4 |     fn append(&mut self, other: Self);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/tree_log.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct User(usize);
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Id` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Id(User, usize, usize);
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edit` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Edit {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `History` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct History<T: Collection> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeLog` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct TreeLog<T: Collection> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Leaf` is never constructed
[INFO] [stdout]  --> src/index_tree.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum IndexTree<T> {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Leaf(T),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `insert` are never used
[INFO] [stdout]   --> src/index_tree.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl<T> IndexTree<T> {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn get(&self, index: usize) -> &T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn insert(&mut self, item: T, index: usize) {
[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/index_tree.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn split(mut self, mut index: usize) -> (Self, Self) {
[INFO] [stdout]    |              -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 27 |         let mut current = &mut self;
[INFO] [stdout] 28 |         let mut orphans = vec![];
[INFO] [stdout]    |                 ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 44 |         (self, Self::new_from_children(orphans))
[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] warning: methods `split` and `append` are never used
[INFO] [stdout]  --> src/collection.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Collection where Self: Sized {
[INFO] [stdout]   |           ---------- methods in this trait
[INFO] [stdout] 2 |     fn len(&self) -> usize;
[INFO] [stdout] 3 |     fn split(self, index: usize) -> (Self, Self);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 4 |     fn append(&mut self, other: Self);
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/tree_log.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct User(usize);
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Id` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Id(User, usize, usize);
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Edit` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Edit {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `History` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct History<T: Collection> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeLog` is never constructed
[INFO] [stdout]   --> src/tree_log.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct TreeLog<T: Collection> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Leaf` is never constructed
[INFO] [stdout]  --> src/index_tree.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum IndexTree<T> {
[INFO] [stdout]   |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Leaf(T),
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `insert` are never used
[INFO] [stdout]   --> src/index_tree.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl<T> IndexTree<T> {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn get(&self, index: usize) -> &T {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn insert(&mut self, item: T, index: usize) {
[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/index_tree.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn split(mut self, mut index: usize) -> (Self, Self) {
[INFO] [stdout]    |              -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 27 |         let mut current = &mut self;
[INFO] [stdout] 28 |         let mut orphans = vec![];
[INFO] [stdout]    |                 ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 44 |         (self, Self::new_from_children(orphans))
[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: aborting due to 1 previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `together` (bin "together" test) due to 2 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `together` (bin "together") due to 2 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e02957a88c93c93d780966905d3df6e96a347b52f43f9bcec259e5e2273d1847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02957a88c93c93d780966905d3df6e96a347b52f43f9bcec259e5e2273d1847", kill_on_drop: false }`
[INFO] [stdout] e02957a88c93c93d780966905d3df6e96a347b52f43f9bcec259e5e2273d1847