[INFO] fetching crate await-tree 0.3.2-alpha.2...
[INFO] testing await-tree-0.3.2-alpha.2 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate await-tree 0.3.2-alpha.2 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate await-tree 0.3.2-alpha.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate await-tree 0.3.2-alpha.2
[INFO] tweaked toml for crates.io crate await-tree 0.3.2-alpha.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate await-tree 0.3.2-alpha.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate await-tree 0.3.2-alpha.2 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" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2578a78874e176e27894bc7171d0856e2a484527981db87e5f192b92f35d427
[INFO] running `Command { std: "docker" "start" "-a" "a2578a78874e176e27894bc7171d0856e2a484527981db87e5f192b92f35d427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2578a78874e176e27894bc7171d0856e2a484527981db87e5f192b92f35d427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2578a78874e176e27894bc7171d0856e2a484527981db87e5f192b92f35d427", kill_on_drop: false }`
[INFO] [stdout] a2578a78874e176e27894bc7171d0856e2a484527981db87e5f192b92f35d427
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f44b72c3199956d4e9b4a1dac5f4968a7a5d83a353e72dd96e3c0d67bcd46ae
[INFO] running `Command { std: "docker" "start" "-a" "8f44b72c3199956d4e9b4a1dac5f4968a7a5d83a353e72dd96e3c0d67bcd46ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling task-local v0.1.0
[INFO] [stderr]    Compiling flexstr v0.9.2
[INFO] [stderr]    Compiling easy-ext v1.0.2
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling weak-table v0.3.2
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling coarsetime v0.1.36
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.29
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling strum v0.27.1
[INFO] [stderr]    Compiling indextree-macros v0.1.3
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling derive_builder_core v0.20.2
[INFO] [stderr]    Compiling indextree v4.7.4
[INFO] [stderr]    Compiling derive_builder_macro v0.20.2
[INFO] [stderr]    Compiling derive_builder v0.20.2
[INFO] [stderr]    Compiling await-tree v0.3.2-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.22s
[INFO] running `Command { std: "docker" "inspect" "8f44b72c3199956d4e9b4a1dac5f4968a7a5d83a353e72dd96e3c0d67bcd46ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f44b72c3199956d4e9b4a1dac5f4968a7a5d83a353e72dd96e3c0d67bcd46ae", kill_on_drop: false }`
[INFO] [stdout] 8f44b72c3199956d4e9b4a1dac5f4968a7a5d83a353e72dd96e3c0d67bcd46ae
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e31191eab81ce368ad90d0e80a5df5fbb6c2393ad67785e8b9e2e3dbd68dfcb
[INFO] running `Command { std: "docker" "start" "-a" "2e31191eab81ce368ad90d0e80a5df5fbb6c2393ad67785e8b9e2e3dbd68dfcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling clap v4.5.40
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling await-tree v0.3.2-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.69s
[INFO] running `Command { std: "docker" "inspect" "2e31191eab81ce368ad90d0e80a5df5fbb6c2393ad67785e8b9e2e3dbd68dfcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e31191eab81ce368ad90d0e80a5df5fbb6c2393ad67785e8b9e2e3dbd68dfcb", kill_on_drop: false }`
[INFO] [stdout] 2e31191eab81ce368ad90d0e80a5df5fbb6c2393ad67785e8b9e2e3dbd68dfcb
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a4a70755520d563253ceca0dcb404b4a43babe10515638dfd05b6136d0d901d
[INFO] running `Command { std: "docker" "start" "-a" "9a4a70755520d563253ceca0dcb404b4a43babe10515638dfd05b6136d0d901d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/await_tree-9e990527c9dedf52)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test registry::tests::test_registry ... ok
[INFO] [stdout] test tests::functionality::test_await_tree ... ok
[INFO] [stderr]    Doc-tests await_tree
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 22) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 22) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `spawn` in crate `await_tree`
[INFO] [stdout]   --> src/lib.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 35 | await_tree::spawn("foo", "foo", foo());
[INFO] [stdout]    |             ^^^^^ not found in `await_tree`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | #[cfg(feature = "tokio")]
[INFO] [stdout]    |       ----------------- the item is gated behind the `tokio` feature
[INFO] [stdout] 82 | mod spawn;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 90 | #[cfg(feature = "tokio")]
[INFO] [stdout]    |       ----------------- the item is gated behind the `tokio` feature
[INFO] [stdout] 91 | pub use spawn::{spawn, spawn_anonymous, spawn_derived_root};
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]    |
[INFO] [stdout]  4 + use std::thread::spawn;
[INFO] [stdout]    |
[INFO] [stdout]  4 + use tokio::spawn;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `spawn`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 35 - await_tree::spawn("foo", "foo", foo());
[INFO] [stdout] 35 + spawn("foo", "foo", foo());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 22)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "9a4a70755520d563253ceca0dcb404b4a43babe10515638dfd05b6136d0d901d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4a70755520d563253ceca0dcb404b4a43babe10515638dfd05b6136d0d901d", kill_on_drop: false }`
[INFO] [stdout] 9a4a70755520d563253ceca0dcb404b4a43babe10515638dfd05b6136d0d901d
