[INFO] fetching crate delta-struct 0.1.0...
[INFO] testing delta-struct-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate delta-struct 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate delta-struct 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 delta-struct 0.1.0
[INFO] finished tweaking crates.io crate delta-struct 0.1.0
[INFO] tweaked toml for crates.io crate delta-struct 0.1.0 written to /workspace/builds/worker-10/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]  Downloading crates ...
[INFO] [stderr]   Downloaded delta-struct-macros v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 70e6f371cca2626aef649c3b0ea0582c7cc447fff6b0ddd31dbf40a3380a8562
[INFO] running `Command { std: "docker" "start" "-a" "70e6f371cca2626aef649c3b0ea0582c7cc447fff6b0ddd31dbf40a3380a8562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70e6f371cca2626aef649c3b0ea0582c7cc447fff6b0ddd31dbf40a3380a8562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e6f371cca2626aef649c3b0ea0582c7cc447fff6b0ddd31dbf40a3380a8562", kill_on_drop: false }`
[INFO] [stdout] 70e6f371cca2626aef649c3b0ea0582c7cc447fff6b0ddd31dbf40a3380a8562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0e3135b7d4a36c2cdf18ded5e913ac48d0ec20dcf816d2cced932dfdef147f6d
[INFO] running `Command { std: "docker" "start" "-a" "0e3135b7d4a36c2cdf18ded5e913ac48d0ec20dcf816d2cced932dfdef147f6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling delta-struct-macros v0.1.0
[INFO] [stderr]    Compiling delta-struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `Command { std: "docker" "inspect" "0e3135b7d4a36c2cdf18ded5e913ac48d0ec20dcf816d2cced932dfdef147f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3135b7d4a36c2cdf18ded5e913ac48d0ec20dcf816d2cced932dfdef147f6d", kill_on_drop: false }`
[INFO] [stdout] 0e3135b7d4a36c2cdf18ded5e913ac48d0ec20dcf816d2cced932dfdef147f6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 375ffcc2a1106b0b8d589ad6b5fc5a8bba6053d9d8a8829a55690e62cd4c89ae
[INFO] running `Command { std: "docker" "start" "-a" "375ffcc2a1106b0b8d589ad6b5fc5a8bba6053d9d8a8829a55690e62cd4c89ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling delta-struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "375ffcc2a1106b0b8d589ad6b5fc5a8bba6053d9d8a8829a55690e62cd4c89ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375ffcc2a1106b0b8d589ad6b5fc5a8bba6053d9d8a8829a55690e62cd4c89ae", kill_on_drop: false }`
[INFO] [stdout] 375ffcc2a1106b0b8d589ad6b5fc5a8bba6053d9d8a8829a55690e62cd4c89ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] e12c3d2b7c428a520f9927f89ea871cfc934bd21e05dff56d60fbb89163ffaa1
[INFO] running `Command { std: "docker" "start" "-a" "e12c3d2b7c428a520f9927f89ea871cfc934bd21e05dff56d60fbb89163ffaa1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/delta_struct-1646e60697b15f2d)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::delta_false_positive_check ... ok
[INFO] [stdout] test tests::default_type_respected ... ok
[INFO] [stdout] test tests::delta_field ... ok
[INFO] [stdout] test tests::apply_delta_all_field_types ... ok
[INFO] [stderr]    Doc-tests delta-struct
[INFO] [stdout] test tests::scalar_delta_false_positive_check ... ok
[INFO] [stdout] test tests::unordered_with_scalar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "e12c3d2b7c428a520f9927f89ea871cfc934bd21e05dff56d60fbb89163ffaa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12c3d2b7c428a520f9927f89ea871cfc934bd21e05dff56d60fbb89163ffaa1", kill_on_drop: false }`
[INFO] [stdout] e12c3d2b7c428a520f9927f89ea871cfc934bd21e05dff56d60fbb89163ffaa1