[INFO] fetching crate demo-app 0.1.0...
[INFO] testing demo-app-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate demo-app 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate demo-app 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 demo-app 0.1.0
[INFO] finished tweaking crates.io crate demo-app 0.1.0
[INFO] tweaked toml for crates.io crate demo-app 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate demo-app 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] fb5e66fc76073920b77e65ab6d2611de490f9184d8b20dbbd3e16cd097c2bbf8
[INFO] running `Command { std: "docker" "start" "-a" "fb5e66fc76073920b77e65ab6d2611de490f9184d8b20dbbd3e16cd097c2bbf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb5e66fc76073920b77e65ab6d2611de490f9184d8b20dbbd3e16cd097c2bbf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5e66fc76073920b77e65ab6d2611de490f9184d8b20dbbd3e16cd097c2bbf8", kill_on_drop: false }`
[INFO] [stdout] fb5e66fc76073920b77e65ab6d2611de490f9184d8b20dbbd3e16cd097c2bbf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 71263ea2d77bd1a3c0ebf35ca967a1d0a7cf57179ced249080faa169416d5bbb
[INFO] running `Command { std: "docker" "start" "-a" "71263ea2d77bd1a3c0ebf35ca967a1d0a7cf57179ced249080faa169416d5bbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling demo-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "71263ea2d77bd1a3c0ebf35ca967a1d0a7cf57179ced249080faa169416d5bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71263ea2d77bd1a3c0ebf35ca967a1d0a7cf57179ced249080faa169416d5bbb", kill_on_drop: false }`
[INFO] [stdout] 71263ea2d77bd1a3c0ebf35ca967a1d0a7cf57179ced249080faa169416d5bbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6f8c7885147d45c5c28d229c4a258b3fbdb8142e9d816e0efab7403fc06663a3
[INFO] running `Command { std: "docker" "start" "-a" "6f8c7885147d45c5c28d229c4a258b3fbdb8142e9d816e0efab7403fc06663a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling demo-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "6f8c7885147d45c5c28d229c4a258b3fbdb8142e9d816e0efab7403fc06663a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8c7885147d45c5c28d229c4a258b3fbdb8142e9d816e0efab7403fc06663a3", kill_on_drop: false }`
[INFO] [stdout] 6f8c7885147d45c5c28d229c4a258b3fbdb8142e9d816e0efab7403fc06663a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e0cafabd3c44e6f1d57d572261778762910304a0786229c17986a69e72b0b2e5
[INFO] running `Command { std: "docker" "start" "-a" "e0cafabd3c44e6f1d57d572261778762910304a0786229c17986a69e72b0b2e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/demo_app-de711e0d7f901f96)
[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" "e0cafabd3c44e6f1d57d572261778762910304a0786229c17986a69e72b0b2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0cafabd3c44e6f1d57d572261778762910304a0786229c17986a69e72b0b2e5", kill_on_drop: false }`
[INFO] [stdout] e0cafabd3c44e6f1d57d572261778762910304a0786229c17986a69e72b0b2e5