[INFO] fetching crate arigato 0.2.0...
[INFO] checking arigato-0.2.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate arigato 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate arigato 0.2.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate arigato 0.2.0
[INFO] finished tweaking crates.io crate arigato 0.2.0
[INFO] tweaked toml for crates.io crate arigato 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6e25efe0242997705a1d31279c48ea81a819f0fe3d35441b78d9507d9a57b99
[INFO] running `Command { std: "docker" "start" "-a" "d6e25efe0242997705a1d31279c48ea81a819f0fe3d35441b78d9507d9a57b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6e25efe0242997705a1d31279c48ea81a819f0fe3d35441b78d9507d9a57b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e25efe0242997705a1d31279c48ea81a819f0fe3d35441b78d9507d9a57b99", kill_on_drop: false }`
[INFO] [stdout] d6e25efe0242997705a1d31279c48ea81a819f0fe3d35441b78d9507d9a57b99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eedad7dfe462459cd252acf5af9093c7c52a2f12e45fdc93d9696cbd9cbbb9d
[INFO] running `Command { std: "docker" "start" "-a" "1eedad7dfe462459cd252acf5af9093c7c52a2f12e45fdc93d9696cbd9cbbb9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking tokio v1.41.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking arigato v0.2.0 (/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:96:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |                       let _ = join_set
[INFO] [stdout]    |  _____________________________-
[INFO] [stdout] 96 | |                         .build_task()
[INFO] [stdout]    | |                         -^^^^^^^^^^ method not found in `JoinSet<()>`
[INFO] [stdout]    | |_________________________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[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:96:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |                       let _ = join_set
[INFO] [stdout]    |  _____________________________-
[INFO] [stdout] 96 | |                         .build_task()
[INFO] [stdout]    | |                         -^^^^^^^^^^ method not found in `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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arigato` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1eedad7dfe462459cd252acf5af9093c7c52a2f12e45fdc93d9696cbd9cbbb9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eedad7dfe462459cd252acf5af9093c7c52a2f12e45fdc93d9696cbd9cbbb9d", kill_on_drop: false }`
[INFO] [stdout] 1eedad7dfe462459cd252acf5af9093c7c52a2f12e45fdc93d9696cbd9cbbb9d
