[INFO] fetching crate arigato 0.2.1...
[INFO] testing arigato-0.2.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate arigato 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate arigato 0.2.1
[INFO] finished tweaking crates.io crate arigato 0.2.1
[INFO] tweaked toml for crates.io crate arigato 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate arigato 0.2.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate arigato 0.2.1 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da5acd147b158e0911637774ea6723e66551e9ef849b26fdff91c54624df1d26
[INFO] running `Command { std: "docker" "start" "-a" "da5acd147b158e0911637774ea6723e66551e9ef849b26fdff91c54624df1d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da5acd147b158e0911637774ea6723e66551e9ef849b26fdff91c54624df1d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5acd147b158e0911637774ea6723e66551e9ef849b26fdff91c54624df1d26", kill_on_drop: false }`
[INFO] [stdout] da5acd147b158e0911637774ea6723e66551e9ef849b26fdff91c54624df1d26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b37c6f9215826b30e7644821947726f994cd4c669a72e2c41091be9b47e6427f
[INFO] running `Command { std: "docker" "start" "-a" "b37c6f9215826b30e7644821947726f994cd4c669a72e2c41091be9b47e6427f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling arigato v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `build_task` found for struct `tokio::task::JoinSet` in the current scope
[INFO] [stdout]   --> src/server/async_server.rs:97:26
[INFO] [stdout]    |
[INFO] [stdout] 96 |                       let _ = join_set
[INFO] [stdout]    |  _____________________________-
[INFO] [stdout] 97 | |                         .build_task()
[INFO] [stdout]    | |                         -^^^^^^^^^^ method not found in `tokio::task::JoinSet<()>`
[INFO] [stdout]    | |_________________________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arigato` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b37c6f9215826b30e7644821947726f994cd4c669a72e2c41091be9b47e6427f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37c6f9215826b30e7644821947726f994cd4c669a72e2c41091be9b47e6427f", kill_on_drop: false }`
[INFO] [stdout] b37c6f9215826b30e7644821947726f994cd4c669a72e2c41091be9b47e6427f