[INFO] fetching crate ducky 0.1.0...
[INFO] testing ducky-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ducky 0.1.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate ducky 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 ducky 0.1.0
[INFO] finished tweaking crates.io crate ducky 0.1.0
[INFO] tweaked toml for crates.io crate ducky 0.1.0 written to /workspace/builds/worker-42/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 8130066b9e6f1f018c6be9dd91284a9a28eac36ce5867d9afc8d1ee13d2affbf
[INFO] running `Command { std: "docker" "start" "-a" "8130066b9e6f1f018c6be9dd91284a9a28eac36ce5867d9afc8d1ee13d2affbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8130066b9e6f1f018c6be9dd91284a9a28eac36ce5867d9afc8d1ee13d2affbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8130066b9e6f1f018c6be9dd91284a9a28eac36ce5867d9afc8d1ee13d2affbf", kill_on_drop: false }`
[INFO] [stdout] 8130066b9e6f1f018c6be9dd91284a9a28eac36ce5867d9afc8d1ee13d2affbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] dc392af7aaf620acbc0eab4f51787feb112d64d85fde43d2e68372f848690c24
[INFO] running `Command { std: "docker" "start" "-a" "dc392af7aaf620acbc0eab4f51787feb112d64d85fde43d2e68372f848690c24", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ducky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "dc392af7aaf620acbc0eab4f51787feb112d64d85fde43d2e68372f848690c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc392af7aaf620acbc0eab4f51787feb112d64d85fde43d2e68372f848690c24", kill_on_drop: false }`
[INFO] [stdout] dc392af7aaf620acbc0eab4f51787feb112d64d85fde43d2e68372f848690c24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 49eb082f3df260b493f7fc428230eb75b58c9cfc6925f214506c94b5592bea49
[INFO] running `Command { std: "docker" "start" "-a" "49eb082f3df260b493f7fc428230eb75b58c9cfc6925f214506c94b5592bea49", kill_on_drop: false }`
[INFO] [stderr]    Compiling ducky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "49eb082f3df260b493f7fc428230eb75b58c9cfc6925f214506c94b5592bea49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49eb082f3df260b493f7fc428230eb75b58c9cfc6925f214506c94b5592bea49", kill_on_drop: false }`
[INFO] [stdout] 49eb082f3df260b493f7fc428230eb75b58c9cfc6925f214506c94b5592bea49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] af621a4771fe2d29b579a7fe2649bccb77f8394e5486479b26eca0e799e8742c
[INFO] running `Command { std: "docker" "start" "-a" "af621a4771fe2d29b579a7fe2649bccb77f8394e5486479b26eca0e799e8742c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ducky-fc436a8613415840)
[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" "af621a4771fe2d29b579a7fe2649bccb77f8394e5486479b26eca0e799e8742c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af621a4771fe2d29b579a7fe2649bccb77f8394e5486479b26eca0e799e8742c", kill_on_drop: false }`
[INFO] [stdout] af621a4771fe2d29b579a7fe2649bccb77f8394e5486479b26eca0e799e8742c