[INFO] fetching crate structlog 0.1.2...
[INFO] extracting crate structlog 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/structlog/0.1.2
[INFO] extracting crate structlog 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/structlog/0.1.2
[INFO] validating manifest of structlog-0.1.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of structlog-0.1.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing structlog-0.1.2
[INFO] finished frobbing structlog-0.1.2
[INFO] frobbed toml for structlog-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/structlog/0.1.2/Cargo.toml
[INFO] started frobbing structlog-0.1.2
[INFO] finished frobbing structlog-0.1.2
[INFO] frobbed toml for structlog-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/structlog/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing structlog-0.1.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/structlog/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0853ea6fd992e1a6adf41e92e3bc87278cdd4902fb1f0dbd736905382bf3d999
[INFO] running `"docker" "start" "-a" "0853ea6fd992e1a6adf41e92e3bc87278cdd4902fb1f0dbd736905382bf3d999"`
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling structlog v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `"docker" "inspect" "0853ea6fd992e1a6adf41e92e3bc87278cdd4902fb1f0dbd736905382bf3d999"`
[INFO] running `"docker" "rm" "-f" "0853ea6fd992e1a6adf41e92e3bc87278cdd4902fb1f0dbd736905382bf3d999"`
[INFO] [stdout] 0853ea6fd992e1a6adf41e92e3bc87278cdd4902fb1f0dbd736905382bf3d999
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/structlog/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 73f3c5c142d6902961ae73712a1a3b7703544138cc9d9a787f18767c1d134c5f
[INFO] running `"docker" "start" "-a" "73f3c5c142d6902961ae73712a1a3b7703544138cc9d9a787f18767c1d134c5f"`
[INFO] [stderr]    Compiling structlog v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "73f3c5c142d6902961ae73712a1a3b7703544138cc9d9a787f18767c1d134c5f"`
[INFO] running `"docker" "rm" "-f" "73f3c5c142d6902961ae73712a1a3b7703544138cc9d9a787f18767c1d134c5f"`
[INFO] [stdout] 73f3c5c142d6902961ae73712a1a3b7703544138cc9d9a787f18767c1d134c5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/structlog/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 9df91135b551e6bf87db6106bb2554d643e38111bf8470a69da8d98d1d7d33fb
[INFO] running `"docker" "start" "-a" "9df91135b551e6bf87db6106bb2554d643e38111bf8470a69da8d98d1d7d33fb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/structlog-b9abd2547f089e65
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test event::test_event_display ... ok
[INFO] [stdout] test event::test_add_field_in_chain ... ok
[INFO] [stdout] test event::test_add_field ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/integration_tests-d0ef5273bfde3b54
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests structlog
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9df91135b551e6bf87db6106bb2554d643e38111bf8470a69da8d98d1d7d33fb"`
[INFO] running `"docker" "rm" "-f" "9df91135b551e6bf87db6106bb2554d643e38111bf8470a69da8d98d1d7d33fb"`
[INFO] [stdout] 9df91135b551e6bf87db6106bb2554d643e38111bf8470a69da8d98d1d7d33fb