[INFO] fetching crate curd 0.1.0...
[INFO] testing curd-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate curd 0.1.0 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate curd 0.1.0 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 curd 0.1.0
[INFO] finished tweaking crates.io crate curd 0.1.0
[INFO] tweaked toml for crates.io crate curd 0.1.0 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate crates.io crate curd 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 3cc3c54940dec38110de93b092898a2de675b97283f2f014989b2f45db0e08a8
[INFO] running `Command { std: "docker" "start" "-a" "3cc3c54940dec38110de93b092898a2de675b97283f2f014989b2f45db0e08a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cc3c54940dec38110de93b092898a2de675b97283f2f014989b2f45db0e08a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc3c54940dec38110de93b092898a2de675b97283f2f014989b2f45db0e08a8", kill_on_drop: false }`
[INFO] [stdout] 3cc3c54940dec38110de93b092898a2de675b97283f2f014989b2f45db0e08a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] d15255c14fed0e9d861f817d4cea891ff9fd408229874d971418ad40af8f8c27
[INFO] running `Command { std: "docker" "start" "-a" "d15255c14fed0e9d861f817d4cea891ff9fd408229874d971418ad40af8f8c27", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling curd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "d15255c14fed0e9d861f817d4cea891ff9fd408229874d971418ad40af8f8c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d15255c14fed0e9d861f817d4cea891ff9fd408229874d971418ad40af8f8c27", kill_on_drop: false }`
[INFO] [stdout] d15255c14fed0e9d861f817d4cea891ff9fd408229874d971418ad40af8f8c27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] ba133973fb64c47475ad3ffeb44186f7a568cd92670ffa64ef47d1ab28d6bfe4
[INFO] running `Command { std: "docker" "start" "-a" "ba133973fb64c47475ad3ffeb44186f7a568cd92670ffa64ef47d1ab28d6bfe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling curd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "ba133973fb64c47475ad3ffeb44186f7a568cd92670ffa64ef47d1ab28d6bfe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba133973fb64c47475ad3ffeb44186f7a568cd92670ffa64ef47d1ab28d6bfe4", kill_on_drop: false }`
[INFO] [stdout] ba133973fb64c47475ad3ffeb44186f7a568cd92670ffa64ef47d1ab28d6bfe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] f48326587118a423d8071b19c1a9823d8f493f175293f12907a026c942b59bf4
[INFO] running `Command { std: "docker" "start" "-a" "f48326587118a423d8071b19c1a9823d8f493f175293f12907a026c942b59bf4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/curd-96d3d3e99b4634b5)
[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" "f48326587118a423d8071b19c1a9823d8f493f175293f12907a026c942b59bf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48326587118a423d8071b19c1a9823d8f493f175293f12907a026c942b59bf4", kill_on_drop: false }`
[INFO] [stdout] f48326587118a423d8071b19c1a9823d8f493f175293f12907a026c942b59bf4