[INFO] fetching crate structlog 0.1.8...
[INFO] testing structlog-0.1.8 against 1.55.0 for beta-1.56-1
[INFO] extracting crate structlog 0.1.8 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate structlog 0.1.8 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 structlog 0.1.8
[INFO] finished tweaking crates.io crate structlog 0.1.8
[INFO] tweaked toml for crates.io crate structlog 0.1.8 written to /workspace/builds/worker-32/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] f0fe195cb4211bd48466bfc428eba067980cb9d6a41bec6f2dd5c21ce044c2be
[INFO] running `Command { std: "docker" "start" "-a" "f0fe195cb4211bd48466bfc428eba067980cb9d6a41bec6f2dd5c21ce044c2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0fe195cb4211bd48466bfc428eba067980cb9d6a41bec6f2dd5c21ce044c2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0fe195cb4211bd48466bfc428eba067980cb9d6a41bec6f2dd5c21ce044c2be", kill_on_drop: false }`
[INFO] [stdout] f0fe195cb4211bd48466bfc428eba067980cb9d6a41bec6f2dd5c21ce044c2be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 6a3b95d738de87e14d14eb5b2c1bff6b9761dc1ac363853b73bebd56476fed86
[INFO] running `Command { std: "docker" "start" "-a" "6a3b95d738de87e14d14eb5b2c1bff6b9761dc1ac363853b73bebd56476fed86", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling structlog v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.62s
[INFO] running `Command { std: "docker" "inspect" "6a3b95d738de87e14d14eb5b2c1bff6b9761dc1ac363853b73bebd56476fed86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3b95d738de87e14d14eb5b2c1bff6b9761dc1ac363853b73bebd56476fed86", kill_on_drop: false }`
[INFO] [stdout] 6a3b95d738de87e14d14eb5b2c1bff6b9761dc1ac363853b73bebd56476fed86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 431416e29e8e4251e71baa240d3d5456494570b32300c18af4843f6aacb9e496
[INFO] running `Command { std: "docker" "start" "-a" "431416e29e8e4251e71baa240d3d5456494570b32300c18af4843f6aacb9e496", kill_on_drop: false }`
[INFO] [stderr]    Compiling structlog v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "431416e29e8e4251e71baa240d3d5456494570b32300c18af4843f6aacb9e496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431416e29e8e4251e71baa240d3d5456494570b32300c18af4843f6aacb9e496", kill_on_drop: false }`
[INFO] [stdout] 431416e29e8e4251e71baa240d3d5456494570b32300c18af4843f6aacb9e496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 68db77d47da0216d704a9414ad2024b0f0900e73a7c306d8265ea14c83888037
[INFO] running `Command { std: "docker" "start" "-a" "68db77d47da0216d704a9414ad2024b0f0900e73a7c306d8265ea14c83888037", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/structlog-ba5d837a675c5bd9)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test event::test_add_field ... ok
[INFO] [stdout] test event::test_add_field_in_chain ... ok
[INFO] [stdout] test event::test_event_display ... ok
[INFO] [stdout] test test::test_event_parse_from_string ... ok
[INFO] [stdout] test test::test_simple_event ... ok
[INFO] [stdout] test test::test_make_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-92060cd246a16b2b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_create_event ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests structlog
[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" "68db77d47da0216d704a9414ad2024b0f0900e73a7c306d8265ea14c83888037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68db77d47da0216d704a9414ad2024b0f0900e73a7c306d8265ea14c83888037", kill_on_drop: false }`
[INFO] [stdout] 68db77d47da0216d704a9414ad2024b0f0900e73a7c306d8265ea14c83888037