[INFO] fetching crate structlog 0.1.8...
[INFO] testing structlog-0.1.8 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate structlog 0.1.8 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate structlog 0.1.8 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ccef7ecbc93336f567247c6c6dcbda36dbe6055693614fc0a385b9d62f9000b
[INFO] running `Command { std: "docker" "start" "-a" "4ccef7ecbc93336f567247c6c6dcbda36dbe6055693614fc0a385b9d62f9000b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ccef7ecbc93336f567247c6c6dcbda36dbe6055693614fc0a385b9d62f9000b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ccef7ecbc93336f567247c6c6dcbda36dbe6055693614fc0a385b9d62f9000b", kill_on_drop: false }`
[INFO] [stdout] 4ccef7ecbc93336f567247c6c6dcbda36dbe6055693614fc0a385b9d62f9000b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 152fa17a241a94f3bce1294001cba7aa91a4e82701edc24163eac617837df5c3
[INFO] running `Command { std: "docker" "start" "-a" "152fa17a241a94f3bce1294001cba7aa91a4e82701edc24163eac617837df5c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling structlog v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.61s
[INFO] running `Command { std: "docker" "inspect" "152fa17a241a94f3bce1294001cba7aa91a4e82701edc24163eac617837df5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152fa17a241a94f3bce1294001cba7aa91a4e82701edc24163eac617837df5c3", kill_on_drop: false }`
[INFO] [stdout] 152fa17a241a94f3bce1294001cba7aa91a4e82701edc24163eac617837df5c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a33bad2a746be3e47dc03c6f5b05a5672c5307ec17fa426f5ee209f17d262a8
[INFO] running `Command { std: "docker" "start" "-a" "9a33bad2a746be3e47dc03c6f5b05a5672c5307ec17fa426f5ee209f17d262a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling structlog v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "9a33bad2a746be3e47dc03c6f5b05a5672c5307ec17fa426f5ee209f17d262a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a33bad2a746be3e47dc03c6f5b05a5672c5307ec17fa426f5ee209f17d262a8", kill_on_drop: false }`
[INFO] [stdout] 9a33bad2a746be3e47dc03c6f5b05a5672c5307ec17fa426f5ee209f17d262a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15ac8b4c5443c22caed4ba72e7585ea79a869464f18c758d3f600cd15bdfdefd
[INFO] running `Command { std: "docker" "start" "-a" "15ac8b4c5443c22caed4ba72e7585ea79a869464f18c758d3f600cd15bdfdefd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/structlog-5c15dd95c306c0e2)
[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_make_error ... ok
[INFO] [stdout] test test::test_simple_event ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-7125935ce8a3fbc0)
[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" "15ac8b4c5443c22caed4ba72e7585ea79a869464f18c758d3f600cd15bdfdefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ac8b4c5443c22caed4ba72e7585ea79a869464f18c758d3f600cd15bdfdefd", kill_on_drop: false }`
[INFO] [stdout] 15ac8b4c5443c22caed4ba72e7585ea79a869464f18c758d3f600cd15bdfdefd