[INFO] fetching crate maestro 0.0.0...
[INFO] testing maestro-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate maestro 0.0.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate maestro 0.0.0 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 maestro 0.0.0
[INFO] finished tweaking crates.io crate maestro 0.0.0
[INFO] tweaked toml for crates.io crate maestro 0.0.0 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate crates.io crate maestro 0.0.0 already has a lockfile, it will not be regenerated
[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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] c2a5d7b6a12a4ee29e07c196fe3c0bd0023ff3c54e1411a07e50f369138cdbd3
[INFO] running `Command { std: "docker" "start" "-a" "c2a5d7b6a12a4ee29e07c196fe3c0bd0023ff3c54e1411a07e50f369138cdbd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2a5d7b6a12a4ee29e07c196fe3c0bd0023ff3c54e1411a07e50f369138cdbd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a5d7b6a12a4ee29e07c196fe3c0bd0023ff3c54e1411a07e50f369138cdbd3", kill_on_drop: false }`
[INFO] [stdout] c2a5d7b6a12a4ee29e07c196fe3c0bd0023ff3c54e1411a07e50f369138cdbd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 95032f541ea591ca149944c65fb38c238683a431785c01609812f4906665d935
[INFO] running `Command { std: "docker" "start" "-a" "95032f541ea591ca149944c65fb38c238683a431785c01609812f4906665d935", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling maestro v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `Command { std: "docker" "inspect" "95032f541ea591ca149944c65fb38c238683a431785c01609812f4906665d935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95032f541ea591ca149944c65fb38c238683a431785c01609812f4906665d935", kill_on_drop: false }`
[INFO] [stdout] 95032f541ea591ca149944c65fb38c238683a431785c01609812f4906665d935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] 0ff1f74a379b37228e822f4e8a5e8793630cd9a1a862447a8f97bc51b230324e
[INFO] running `Command { std: "docker" "start" "-a" "0ff1f74a379b37228e822f4e8a5e8793630cd9a1a862447a8f97bc51b230324e", kill_on_drop: false }`
[INFO] [stderr]    Compiling maestro v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "0ff1f74a379b37228e822f4e8a5e8793630cd9a1a862447a8f97bc51b230324e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff1f74a379b37228e822f4e8a5e8793630cd9a1a862447a8f97bc51b230324e", kill_on_drop: false }`
[INFO] [stdout] 0ff1f74a379b37228e822f4e8a5e8793630cd9a1a862447a8f97bc51b230324e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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] d0579eb21bfd5e24b687362da0b36167868dca8cc12510b89b0d4e7ab44ed0d6
[INFO] running `Command { std: "docker" "start" "-a" "d0579eb21bfd5e24b687362da0b36167868dca8cc12510b89b0d4e7ab44ed0d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/maestro-5e6697eb9da0188c)
[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" "d0579eb21bfd5e24b687362da0b36167868dca8cc12510b89b0d4e7ab44ed0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0579eb21bfd5e24b687362da0b36167868dca8cc12510b89b0d4e7ab44ed0d6", kill_on_drop: false }`
[INFO] [stdout] d0579eb21bfd5e24b687362da0b36167868dca8cc12510b89b0d4e7ab44ed0d6