[INFO] fetching crate application 0.1.0...
[INFO] testing application-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate application 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate application 0.1.0 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 application 0.1.0
[INFO] finished tweaking crates.io crate application 0.1.0
[INFO] tweaked toml for crates.io crate application 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate application 0.1.0 already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d749d942e8b0b1b4a5e83962231c9ecfad64872769255504ddd6439ee6304449
[INFO] running `Command { std: "docker" "start" "-a" "d749d942e8b0b1b4a5e83962231c9ecfad64872769255504ddd6439ee6304449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d749d942e8b0b1b4a5e83962231c9ecfad64872769255504ddd6439ee6304449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d749d942e8b0b1b4a5e83962231c9ecfad64872769255504ddd6439ee6304449", kill_on_drop: false }`
[INFO] [stdout] d749d942e8b0b1b4a5e83962231c9ecfad64872769255504ddd6439ee6304449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 168d5fb53a8ba3e41ef144b8fe3b8ad4166e38782d03217436829d7e3eb0165e
[INFO] running `Command { std: "docker" "start" "-a" "168d5fb53a8ba3e41ef144b8fe3b8ad4166e38782d03217436829d7e3eb0165e", kill_on_drop: false }`
[INFO] [stderr]    Compiling application v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "168d5fb53a8ba3e41ef144b8fe3b8ad4166e38782d03217436829d7e3eb0165e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168d5fb53a8ba3e41ef144b8fe3b8ad4166e38782d03217436829d7e3eb0165e", kill_on_drop: false }`
[INFO] [stdout] 168d5fb53a8ba3e41ef144b8fe3b8ad4166e38782d03217436829d7e3eb0165e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 7f715e42f9326b5e3a700721163eacfb900973f9692e9034a34b9eb26a90a4da
[INFO] running `Command { std: "docker" "start" "-a" "7f715e42f9326b5e3a700721163eacfb900973f9692e9034a34b9eb26a90a4da", kill_on_drop: false }`
[INFO] [stderr]    Compiling application v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "7f715e42f9326b5e3a700721163eacfb900973f9692e9034a34b9eb26a90a4da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f715e42f9326b5e3a700721163eacfb900973f9692e9034a34b9eb26a90a4da", kill_on_drop: false }`
[INFO] [stdout] 7f715e42f9326b5e3a700721163eacfb900973f9692e9034a34b9eb26a90a4da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 20fa380e8a8d1d051142a932ef5d9f4f03fb8b19f102a8bffe04b6378d38075e
[INFO] running `Command { std: "docker" "start" "-a" "20fa380e8a8d1d051142a932ef5d9f4f03fb8b19f102a8bffe04b6378d38075e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/application-97e78259b48d80a4)
[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" "20fa380e8a8d1d051142a932ef5d9f4f03fb8b19f102a8bffe04b6378d38075e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20fa380e8a8d1d051142a932ef5d9f4f03fb8b19f102a8bffe04b6378d38075e", kill_on_drop: false }`
[INFO] [stdout] 20fa380e8a8d1d051142a932ef5d9f4f03fb8b19f102a8bffe04b6378d38075e