[INFO] fetching crate async-recursion2 1.0.5...
[INFO] testing async-recursion2-1.0.5 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate async-recursion2 1.0.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate async-recursion2 1.0.5
[INFO] finished tweaking crates.io crate async-recursion2 1.0.5
[INFO] tweaked toml for crates.io crate async-recursion2 1.0.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-recursion2 1.0.5 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f602dd4f3a6e95657d5547840cd93996d3d34faf90ee780ac4ef1e0ee1eb94c2
[INFO] running `Command { std: "docker" "start" "-a" "f602dd4f3a6e95657d5547840cd93996d3d34faf90ee780ac4ef1e0ee1eb94c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f602dd4f3a6e95657d5547840cd93996d3d34faf90ee780ac4ef1e0ee1eb94c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f602dd4f3a6e95657d5547840cd93996d3d34faf90ee780ac4ef1e0ee1eb94c2", kill_on_drop: false }`
[INFO] [stdout] f602dd4f3a6e95657d5547840cd93996d3d34faf90ee780ac4ef1e0ee1eb94c2
[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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cc1bb0af74618159aadb54f85f80b372e70f4368e521f25031246f7be27a3b4
[INFO] running `Command { std: "docker" "start" "-a" "9cc1bb0af74618159aadb54f85f80b372e70f4368e521f25031246f7be27a3b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling async-recursion2 v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Literal`
[INFO] [stdout]  --> src/parse.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Span,Literal};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MacroInput` is never constructed
[INFO] [stdout]   --> src/parse.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct MacroInput {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "9cc1bb0af74618159aadb54f85f80b372e70f4368e521f25031246f7be27a3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc1bb0af74618159aadb54f85f80b372e70f4368e521f25031246f7be27a3b4", kill_on_drop: false }`
[INFO] [stdout] 9cc1bb0af74618159aadb54f85f80b372e70f4368e521f25031246f7be27a3b4
[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" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2defae4c6e9f27548c30cabbb6159993ae0ecfa3d13a2d963bf6924a74958cc1
[INFO] running `Command { std: "docker" "start" "-a" "2defae4c6e9f27548c30cabbb6159993ae0ecfa3d13a2d963bf6924a74958cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling toml_writer v1.0.4
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling serde_spanned v1.0.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling toml v0.9.8
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling async-recursion2 v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Literal`
[INFO] [stdout]  --> src/parse.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Span,Literal};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MacroInput` is never constructed
[INFO] [stdout]   --> src/parse.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct MacroInput {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling trybuild v1.0.114
[INFO] [stdout] warning: unused import: `Literal`
[INFO] [stdout]  --> src/parse.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::{Span,Literal};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MacroInput` is never constructed
[INFO] [stdout]   --> src/parse.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct MacroInput {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `async_recursion`
[INFO] [stdout]  --> tests/core_module.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_recursion::async_recursion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `async_recursion`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_recursion2::async_recursion;
[INFO] [stdout]   |                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `async_recursion` in the list of imported crates
[INFO] [stdout]   --> tests/macros_all_the_way_down.rs:5:13
[INFO] [stdout]    |
[INFO] [stdout]  5 |         #[::async_recursion::async_recursion]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ could not find `async_recursion` in the list of imported crates
[INFO] [stdout] ...
[INFO] [stdout] 15 | recurse!(owned, usize);
[INFO] [stdout]    | ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `recurse` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `async_recursion` in the list of imported crates
[INFO] [stdout]   --> tests/macros_all_the_way_down.rs:5:13
[INFO] [stdout]    |
[INFO] [stdout]  5 |         #[::async_recursion::async_recursion]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ could not find `async_recursion` in the list of imported crates
[INFO] [stdout] ...
[INFO] [stdout] 16 | recurse!(by_ref, &usize);
[INFO] [stdout]    | ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `recurse` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `async_recursion` in the list of imported crates
[INFO] [stdout]   --> tests/macros_all_the_way_down.rs:5:13
[INFO] [stdout]    |
[INFO] [stdout]  5 |         #[::async_recursion::async_recursion]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ could not find `async_recursion` in the list of imported crates
[INFO] [stdout] ...
[INFO] [stdout] 17 | recurse!(by_ref_mut, &mut usize);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `recurse` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-recursion2` (test "macros_all_the_way_down") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-recursion2` (test "core_module") due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved import `async_recursion`
[INFO] [stdout]  --> tests/generic_parameters.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_recursion::async_recursion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `async_recursion`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_recursion2::async_recursion;
[INFO] [stdout]   |                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `async_recursion`
[INFO] [stdout]  --> tests/struct_methods.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_recursion::async_recursion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `async_recursion`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_recursion2::async_recursion;
[INFO] [stdout]   |                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `async_recursion`
[INFO] [stdout]  --> tests/fibonacci.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_recursion::async_recursion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `async_recursion`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_recursion2::async_recursion;
[INFO] [stdout]   |                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `async_recursion`
[INFO] [stdout]  --> tests/lifetimes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_recursion::async_recursion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `async_recursion`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_recursion2::async_recursion;
[INFO] [stdout]   |                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0733]: recursion in an async fn requires boxing
[INFO] [stdout]   --> tests/struct_methods.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 |     pub async fn fib(&self, n: u32) -> u64 {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |             _ => self.fib(n - 1).await + self.fib(n - 2).await,
[INFO] [stdout]    |                  --------------------- recursive call here
[INFO] [stdout]    |
[INFO] [stdout]    = note: a recursive `async fn` call must introduce indirection such as `Box::pin` to avoid an infinitely sized future
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0733]: recursion in an async fn requires boxing
[INFO] [stdout]   --> tests/struct_methods.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub async fn empty_string<'a>(&self, some_str: &'a str) -> &'a str {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |             self.empty_string(&some_str[1..]).await
[INFO] [stdout]    |             --------------------------------------- recursive call here
[INFO] [stdout]    |
[INFO] [stdout]    = note: a recursive `async fn` call must introduce indirection such as `Box::pin` to avoid an infinitely sized future
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0733.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-recursion2` (test "struct_methods") due to 3 previous errors
[INFO] [stdout] error[E0733]: recursion in an async fn requires boxing
[INFO] [stdout]   --> tests/fibonacci.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | async fn fib(n: u32) -> u64 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |         _ => fib(n - 1).await + fib(n - 2).await,
[INFO] [stdout]    |              ---------------- recursive call here
[INFO] [stdout]    |
[INFO] [stdout]    = note: a recursive `async fn` call must introduce indirection such as `Box::pin` to avoid an infinitely sized future
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0733]: recursion in an async fn requires boxing
[INFO] [stdout]   --> tests/generic_parameters.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub async fn generic_parameter_no_send<T: Sync>(x: T, y: u64) -> u64 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 38 |     if y > 0 {
[INFO] [stdout] 39 |         generic_parameter_no_send(x, y - 1).await
[INFO] [stdout]    |         ----------------------------------------- recursive call here
[INFO] [stdout]    |
[INFO] [stdout]    = note: a recursive `async fn` call must introduce indirection such as `Box::pin` to avoid an infinitely sized future
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0733]: recursion in an async fn requires boxing
[INFO] [stdout]   --> tests/generic_parameters.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub async fn generic_parameter<S: ThirtySeven + Send>(mut x: S) -> u64 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     if x.descend() {
[INFO] [stdout] 30 |         generic_parameter(x).await
[INFO] [stdout]    |         -------------------------- recursive call here
[INFO] [stdout]    |
[INFO] [stdout]    = note: a recursive `async fn` call must introduce indirection such as `Box::pin` to avoid an infinitely sized future
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0733.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0733.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0733]: recursion in an async fn requires boxing
[INFO] [stdout]   --> tests/lifetimes.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | async fn contains_value<'a, T: PartialEq + Sync>(value: &T, node: &Node<'a, T>) -> bool {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |         (node.left.is_some() && contains_value(value, node.left.unwrap()).await)
[INFO] [stdout]    |                                 ----------------------------------------------- recursive call here
[INFO] [stdout]    |
[INFO] [stdout]    = note: a recursive `async fn` call must introduce indirection such as `Box::pin` to avoid an infinitely sized future
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-recursion2` (test "fibonacci") due to 2 previous errors
[INFO] [stderr] error: could not compile `async-recursion2` (test "generic_parameters") due to 3 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0432, E0733.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-recursion2` (test "lifetimes") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2defae4c6e9f27548c30cabbb6159993ae0ecfa3d13a2d963bf6924a74958cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2defae4c6e9f27548c30cabbb6159993ae0ecfa3d13a2d963bf6924a74958cc1", kill_on_drop: false }`
[INFO] [stdout] 2defae4c6e9f27548c30cabbb6159993ae0ecfa3d13a2d963bf6924a74958cc1
