[INFO] fetching crate async-recursion2 1.0.5...
[INFO] checking async-recursion2-1.0.5 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate async-recursion2 1.0.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate async-recursion2 1.0.5 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ca8e21cdd9e2fdd95e13b631d728bbdf774f2ad910e1ecfd3178a1adbb9800b
[INFO] running `Command { std: "docker" "start" "-a" "5ca8e21cdd9e2fdd95e13b631d728bbdf774f2ad910e1ecfd3178a1adbb9800b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ca8e21cdd9e2fdd95e13b631d728bbdf774f2ad910e1ecfd3178a1adbb9800b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca8e21cdd9e2fdd95e13b631d728bbdf774f2ad910e1ecfd3178a1adbb9800b", kill_on_drop: false }`
[INFO] [stdout] 5ca8e21cdd9e2fdd95e13b631d728bbdf774f2ad910e1ecfd3178a1adbb9800b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2981f6e046a3f322721b572ddb2cff77904010abe8f7b81fec5c4cb0cef10250
[INFO] running `Command { std: "docker" "start" "-a" "2981f6e046a3f322721b572ddb2cff77904010abe8f7b81fec5c4cb0cef10250", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking winnow v0.6.20
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking serde_json v1.0.133
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `comma`, and `b` are never read
[INFO] [stdout]   --> src/parse.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct MacroInput {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 37 |     a: Option< Expr>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 38 |     comma: Option<Token![,]>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     b: Option<Expr>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.215
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `comma`, and `b` are never read
[INFO] [stdout]   --> src/parse.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct MacroInput {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 37 |     a: Option< Expr>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 38 |     comma: Option<Token![,]>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     b: Option<Expr>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking trybuild v1.0.101
[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] 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)]` on by default
[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 undeclared crate or module `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 undeclared crate or module `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] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[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 undeclared crate or module `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] [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] 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 undeclared crate or module `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 undeclared crate or module `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] 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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `comma`, and `b` are never read
[INFO] [stdout]   --> src/parse.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct MacroInput {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 37 |     a: Option< Expr>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 38 |     comma: Option<Token![,]>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 39 |     b: Option<Expr>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-recursion2` (test "generic_parameters") due to 1 previous error
[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]    = 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/fibonacci.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | async fn fib(n: u32) -> u64 {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub async fn fib(&self, n: u32) -> u64 {
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] [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 "fibonacci") due to 2 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 "struct_methods") due to 3 previous errors
[INFO] [stderr] error: could not compile `async-recursion2` (test "lifetimes") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2981f6e046a3f322721b572ddb2cff77904010abe8f7b81fec5c4cb0cef10250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2981f6e046a3f322721b572ddb2cff77904010abe8f7b81fec5c4cb0cef10250", kill_on_drop: false }`
[INFO] [stdout] 2981f6e046a3f322721b572ddb2cff77904010abe8f7b81fec5c4cb0cef10250
