[INFO] fetching crate flow-rs 0.0.0-alpha.0...
[INFO] testing flow-rs-0.0.0-alpha.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate flow-rs 0.0.0-alpha.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate flow-rs 0.0.0-alpha.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flow-rs 0.0.0-alpha.0
[INFO] finished tweaking crates.io crate flow-rs 0.0.0-alpha.0
[INFO] tweaked toml for crates.io crate flow-rs 0.0.0-alpha.0 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14153b520bf6500a716b69693fb92fc3b302585d5db5522f3149fa8fbfcd1c3d
[INFO] running `Command { std: "docker" "start" "-a" "14153b520bf6500a716b69693fb92fc3b302585d5db5522f3149fa8fbfcd1c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14153b520bf6500a716b69693fb92fc3b302585d5db5522f3149fa8fbfcd1c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14153b520bf6500a716b69693fb92fc3b302585d5db5522f3149fa8fbfcd1c3d", kill_on_drop: false }`
[INFO] [stdout] 14153b520bf6500a716b69693fb92fc3b302585d5db5522f3149fa8fbfcd1c3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d92e92d856af54c3216b2a0f60a618ed7a9af1b4fddf7f6fa3b39ce35217c88f
[INFO] running `Command { std: "docker" "start" "-a" "d92e92d856af54c3216b2a0f60a618ed7a9af1b4fddf7f6fa3b39ce35217c88f", kill_on_drop: false }`
[INFO] [stderr]    Compiling flow-rs v0.0.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "d92e92d856af54c3216b2a0f60a618ed7a9af1b4fddf7f6fa3b39ce35217c88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92e92d856af54c3216b2a0f60a618ed7a9af1b4fddf7f6fa3b39ce35217c88f", kill_on_drop: false }`
[INFO] [stdout] d92e92d856af54c3216b2a0f60a618ed7a9af1b4fddf7f6fa3b39ce35217c88f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f778c9f788ec87046d716f9641ed19f4f48bca73409148b341ea1b0fdf030c7
[INFO] running `Command { std: "docker" "start" "-a" "5f778c9f788ec87046d716f9641ed19f4f48bca73409148b341ea1b0fdf030c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling flow-rs v0.0.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "5f778c9f788ec87046d716f9641ed19f4f48bca73409148b341ea1b0fdf030c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f778c9f788ec87046d716f9641ed19f4f48bca73409148b341ea1b0fdf030c7", kill_on_drop: false }`
[INFO] [stdout] 5f778c9f788ec87046d716f9641ed19f4f48bca73409148b341ea1b0fdf030c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 153132b23704447823e9e7aa9b35e11efad5a59ac1087b14234fbf83d6bd18a2
[INFO] running `Command { std: "docker" "start" "-a" "153132b23704447823e9e7aa9b35e11efad5a59ac1087b14234fbf83d6bd18a2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flow_rs-4de157e762c30f9e)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests flow-rs
[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" "153132b23704447823e9e7aa9b35e11efad5a59ac1087b14234fbf83d6bd18a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153132b23704447823e9e7aa9b35e11efad5a59ac1087b14234fbf83d6bd18a2", kill_on_drop: false }`
[INFO] [stdout] 153132b23704447823e9e7aa9b35e11efad5a59ac1087b14234fbf83d6bd18a2