[INFO] fetching crate async-driver 0.2.0...
[INFO] testing async-driver-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate async-driver 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate async-driver 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-driver 0.2.0
[INFO] finished tweaking crates.io crate async-driver 0.2.0
[INFO] tweaked toml for crates.io crate async-driver 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d925f82bb51417bac01095d5d06ae30f724283fada6a5593682ca8bb39cbe99c
[INFO] running `Command { std: "docker" "start" "-a" "d925f82bb51417bac01095d5d06ae30f724283fada6a5593682ca8bb39cbe99c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d925f82bb51417bac01095d5d06ae30f724283fada6a5593682ca8bb39cbe99c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d925f82bb51417bac01095d5d06ae30f724283fada6a5593682ca8bb39cbe99c", kill_on_drop: false }`
[INFO] [stdout] d925f82bb51417bac01095d5d06ae30f724283fada6a5593682ca8bb39cbe99c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 917796c394869fd7ff4c9d1ddc9d2eab36b057b6b8dd1ed8936e4c9de8157edb
[INFO] running `Command { std: "docker" "start" "-a" "917796c394869fd7ff4c9d1ddc9d2eab36b057b6b8dd1ed8936e4c9de8157edb", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-driver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "917796c394869fd7ff4c9d1ddc9d2eab36b057b6b8dd1ed8936e4c9de8157edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917796c394869fd7ff4c9d1ddc9d2eab36b057b6b8dd1ed8936e4c9de8157edb", kill_on_drop: false }`
[INFO] [stdout] 917796c394869fd7ff4c9d1ddc9d2eab36b057b6b8dd1ed8936e4c9de8157edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8929ab1fbf49675a06d024dcfaaad2023b15f5e3c668f8a2949782f56e35f76f
[INFO] running `Command { std: "docker" "start" "-a" "8929ab1fbf49675a06d024dcfaaad2023b15f5e3c668f8a2949782f56e35f76f", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-driver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "8929ab1fbf49675a06d024dcfaaad2023b15f5e3c668f8a2949782f56e35f76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8929ab1fbf49675a06d024dcfaaad2023b15f5e3c668f8a2949782f56e35f76f", kill_on_drop: false }`
[INFO] [stdout] 8929ab1fbf49675a06d024dcfaaad2023b15f5e3c668f8a2949782f56e35f76f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b42f56c6b8fd17467f5146dde8f23fde22b070f20d2a916ab88efd21c369e886
[INFO] running `Command { std: "docker" "start" "-a" "b42f56c6b8fd17467f5146dde8f23fde22b070f20d2a916ab88efd21c369e886", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_driver-04f4d02dd63aaae9)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests async-driver
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "b42f56c6b8fd17467f5146dde8f23fde22b070f20d2a916ab88efd21c369e886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42f56c6b8fd17467f5146dde8f23fde22b070f20d2a916ab88efd21c369e886", kill_on_drop: false }`
[INFO] [stdout] b42f56c6b8fd17467f5146dde8f23fde22b070f20d2a916ab88efd21c369e886