[INFO] fetching crate async-execute 0.0.0...
[INFO] testing async-execute-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate async-execute 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async-execute 0.0.0 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-execute 0.0.0
[INFO] finished tweaking crates.io crate async-execute 0.0.0
[INFO] tweaked toml for crates.io crate async-execute 0.0.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d218d7cc9808e95fc6063ac992785bb0affb34509b2137105e7013569495db44
[INFO] running `Command { std: "docker" "start" "-a" "d218d7cc9808e95fc6063ac992785bb0affb34509b2137105e7013569495db44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d218d7cc9808e95fc6063ac992785bb0affb34509b2137105e7013569495db44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d218d7cc9808e95fc6063ac992785bb0affb34509b2137105e7013569495db44", kill_on_drop: false }`
[INFO] [stdout] d218d7cc9808e95fc6063ac992785bb0affb34509b2137105e7013569495db44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 75798a4e94b7965f70b6da77ce1946ff08834f952713b33d9fc99d1e7e0a9e86
[INFO] running `Command { std: "docker" "start" "-a" "75798a4e94b7965f70b6da77ce1946ff08834f952713b33d9fc99d1e7e0a9e86", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-execute v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "75798a4e94b7965f70b6da77ce1946ff08834f952713b33d9fc99d1e7e0a9e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75798a4e94b7965f70b6da77ce1946ff08834f952713b33d9fc99d1e7e0a9e86", kill_on_drop: false }`
[INFO] [stdout] 75798a4e94b7965f70b6da77ce1946ff08834f952713b33d9fc99d1e7e0a9e86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 71c04629a998c16f614c716cb37b730e8bb0a159e6fa275044ee976ef943f9e8
[INFO] running `Command { std: "docker" "start" "-a" "71c04629a998c16f614c716cb37b730e8bb0a159e6fa275044ee976ef943f9e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-execute v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "71c04629a998c16f614c716cb37b730e8bb0a159e6fa275044ee976ef943f9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c04629a998c16f614c716cb37b730e8bb0a159e6fa275044ee976ef943f9e8", kill_on_drop: false }`
[INFO] [stdout] 71c04629a998c16f614c716cb37b730e8bb0a159e6fa275044ee976ef943f9e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] cf2699d212d7d30a10fd7b8b0b1858223a69cfe7f29f351a3b75888bf97570ad
[INFO] running `Command { std: "docker" "start" "-a" "cf2699d212d7d30a10fd7b8b0b1858223a69cfe7f29f351a3b75888bf97570ad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_execute-44e76449e82f12f8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-execute
[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] [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" "cf2699d212d7d30a10fd7b8b0b1858223a69cfe7f29f351a3b75888bf97570ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2699d212d7d30a10fd7b8b0b1858223a69cfe7f29f351a3b75888bf97570ad", kill_on_drop: false }`
[INFO] [stdout] cf2699d212d7d30a10fd7b8b0b1858223a69cfe7f29f351a3b75888bf97570ad