[INFO] fetching crate async-spawner 2.1.0...
[INFO] testing async-spawner-2.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate async-spawner 2.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate async-spawner 2.1.0
[INFO] finished tweaking crates.io crate async-spawner 2.1.0
[INFO] tweaked toml for crates.io crate async-spawner 2.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-spawner 2.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 86 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding tokio v0.3.7 (available: v1.45.1)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ba9208874d56c2c062ec2ea3107d055c5efcb09d64715ca85cc3e0cfe770a74b
[INFO] running `Command { std: "docker" "start" "-a" "ba9208874d56c2c062ec2ea3107d055c5efcb09d64715ca85cc3e0cfe770a74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba9208874d56c2c062ec2ea3107d055c5efcb09d64715ca85cc3e0cfe770a74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9208874d56c2c062ec2ea3107d055c5efcb09d64715ca85cc3e0cfe770a74b", kill_on_drop: false }`
[INFO] [stdout] ba9208874d56c2c062ec2ea3107d055c5efcb09d64715ca85cc3e0cfe770a74b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e21170e96b7503d2844619246752481ac2ea2b0d8ec08f415674d1bc3e128744
[INFO] running `Command { std: "docker" "start" "-a" "e21170e96b7503d2844619246752481ac2ea2b0d8ec08f415674d1bc3e128744", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling async-spawner v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "e21170e96b7503d2844619246752481ac2ea2b0d8ec08f415674d1bc3e128744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21170e96b7503d2844619246752481ac2ea2b0d8ec08f415674d1bc3e128744", kill_on_drop: false }`
[INFO] [stdout] e21170e96b7503d2844619246752481ac2ea2b0d8ec08f415674d1bc3e128744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 21a7864991c46dfe2bbcb4ade991582123d2fb08bba5190c51f5e63a217f8555
[INFO] running `Command { std: "docker" "start" "-a" "21a7864991c46dfe2bbcb4ade991582123d2fb08bba5190c51f5e63a217f8555", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-executor v1.13.2
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling polling v3.8.0
[INFO] [stderr]    Compiling async-io v2.4.1
[INFO] [stderr]    Compiling async-signal v0.2.11
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v2.3.1
[INFO] [stderr]    Compiling async-std v1.13.1
[INFO] [stderr]    Compiling async-spawner v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 26.81s
[INFO] running `Command { std: "docker" "inspect" "21a7864991c46dfe2bbcb4ade991582123d2fb08bba5190c51f5e63a217f8555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a7864991c46dfe2bbcb4ade991582123d2fb08bba5190c51f5e63a217f8555", kill_on_drop: false }`
[INFO] [stdout] 21a7864991c46dfe2bbcb4ade991582123d2fb08bba5190c51f5e63a217f8555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 91309085972cc40393fa815e6f5c59afe38c5a4e83c67cc99de8ce07b28fa574
[INFO] running `Command { std: "docker" "start" "-a" "91309085972cc40393fa815e6f5c59afe38c5a4e83c67cc99de8ce07b28fa574", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/async_spawner-c16bbca452dbe3d4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91309085972cc40393fa815e6f5c59afe38c5a4e83c67cc99de8ce07b28fa574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91309085972cc40393fa815e6f5c59afe38c5a4e83c67cc99de8ce07b28fa574", kill_on_drop: false }`
[INFO] [stdout] 91309085972cc40393fa815e6f5c59afe38c5a4e83c67cc99de8ce07b28fa574