[INFO] fetching crate aktoro-async 0.0.0...
[INFO] testing aktoro-async-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate aktoro-async 0.0.0 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate aktoro-async 0.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aktoro-async 0.0.0
[INFO] finished tweaking crates.io crate aktoro-async 0.0.0
[INFO] tweaked toml for crates.io crate aktoro-async 0.0.0 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 107ba0157aa458af17e21a2e237ace0b39db8959de4ca31d27129f80bf5ed606
[INFO] running `Command { std: "docker" "start" "-a" "107ba0157aa458af17e21a2e237ace0b39db8959de4ca31d27129f80bf5ed606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "107ba0157aa458af17e21a2e237ace0b39db8959de4ca31d27129f80bf5ed606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107ba0157aa458af17e21a2e237ace0b39db8959de4ca31d27129f80bf5ed606", kill_on_drop: false }`
[INFO] [stdout] 107ba0157aa458af17e21a2e237ace0b39db8959de4ca31d27129f80bf5ed606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb12131e4fee2656e9361cebb2bb0035aef8a2c90b2f3a2ea5e126d96a525f5b
[INFO] running `Command { std: "docker" "start" "-a" "bb12131e4fee2656e9361cebb2bb0035aef8a2c90b2f3a2ea5e126d96a525f5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling aktoro-async v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "bb12131e4fee2656e9361cebb2bb0035aef8a2c90b2f3a2ea5e126d96a525f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb12131e4fee2656e9361cebb2bb0035aef8a2c90b2f3a2ea5e126d96a525f5b", kill_on_drop: false }`
[INFO] [stdout] bb12131e4fee2656e9361cebb2bb0035aef8a2c90b2f3a2ea5e126d96a525f5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a90eacd70f2cac94717a0380af88d8756dc2d588b16cc1dd7d8333a9d1d236b
[INFO] running `Command { std: "docker" "start" "-a" "3a90eacd70f2cac94717a0380af88d8756dc2d588b16cc1dd7d8333a9d1d236b", kill_on_drop: false }`
[INFO] [stderr]    Compiling aktoro-async v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "3a90eacd70f2cac94717a0380af88d8756dc2d588b16cc1dd7d8333a9d1d236b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a90eacd70f2cac94717a0380af88d8756dc2d588b16cc1dd7d8333a9d1d236b", kill_on_drop: false }`
[INFO] [stdout] 3a90eacd70f2cac94717a0380af88d8756dc2d588b16cc1dd7d8333a9d1d236b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e29a0f9dc44864c6a22988cd1859069356d304379b2946c04e163e324d4b646f
[INFO] running `Command { std: "docker" "start" "-a" "e29a0f9dc44864c6a22988cd1859069356d304379b2946c04e163e324d4b646f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aktoro_async-b4d7bb3da67a7e1a)
[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] [stderr]    Doc-tests aktoro-async
[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" "e29a0f9dc44864c6a22988cd1859069356d304379b2946c04e163e324d4b646f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29a0f9dc44864c6a22988cd1859069356d304379b2946c04e163e324d4b646f", kill_on_drop: false }`
[INFO] [stdout] e29a0f9dc44864c6a22988cd1859069356d304379b2946c04e163e324d4b646f