[INFO] fetching crate moonpool-core 0.6.0...
[INFO] testing moonpool-core-0.6.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate moonpool-core 0.6.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate moonpool-core 0.6.0
[INFO] finished tweaking crates.io crate moonpool-core 0.6.0
[INFO] tweaked toml for crates.io crate moonpool-core 0.6.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate moonpool-core 0.6.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate moonpool-core 0.6.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 062aa041257e11e99c3c9770fc52b4f7bee21f78e1ca4e4f79d1345d96a2ab3a
[INFO] running `Command { std: "docker" "start" "-a" "062aa041257e11e99c3c9770fc52b4f7bee21f78e1ca4e4f79d1345d96a2ab3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "062aa041257e11e99c3c9770fc52b4f7bee21f78e1ca4e4f79d1345d96a2ab3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062aa041257e11e99c3c9770fc52b4f7bee21f78e1ca4e4f79d1345d96a2ab3a", kill_on_drop: false }`
[INFO] [stdout] 062aa041257e11e99c3c9770fc52b4f7bee21f78e1ca4e4f79d1345d96a2ab3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ca68c4eeaa8a45c60cf1cae41e78e4b098f98088d86cac5d6b8679d10fe6b42
[INFO] running `Command { std: "docker" "start" "-a" "0ca68c4eeaa8a45c60cf1cae41e78e4b098f98088d86cac5d6b8679d10fe6b42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling moonpool-core v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find `Builder` in `task`
[INFO] [stdout]    --> src/task.rs:47:22
[INFO] [stdout]     |
[INFO] [stdout]  47 |         tokio::task::Builder::new()
[INFO] [stdout]     |                      ^^^^^^^ could not find `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.50.0/src/task/mod.rs:324:26
[INFO] [stdout]     |
[INFO] [stdout] 324 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.50.0/src/macros/cfg.rs:570:23
[INFO] [stdout]     |
[INFO] [stdout] 570 |             #[cfg(all(tokio_unstable, feature = "tracing"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   6 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout]   6 + use tokio::runtime::Builder;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout]  47 -         tokio::task::Builder::new()
[INFO] [stdout]  47 +         Builder::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `moonpool-core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0ca68c4eeaa8a45c60cf1cae41e78e4b098f98088d86cac5d6b8679d10fe6b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca68c4eeaa8a45c60cf1cae41e78e4b098f98088d86cac5d6b8679d10fe6b42", kill_on_drop: false }`
[INFO] [stdout] 0ca68c4eeaa8a45c60cf1cae41e78e4b098f98088d86cac5d6b8679d10fe6b42