[INFO] crate structlog 0.1.2 is already in cache
[INFO] extracting crate structlog 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/structlog/0.1.2
[INFO] extracting crate structlog 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/structlog/0.1.2
[INFO] validating manifest of structlog-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of structlog-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/structlog/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing structlog-0.1.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f4ff567ec136d92d453b12ada5bb5a2faf3d707a0ad2e8783e6d4aa4035e782b
[INFO] running `"docker" "start" "-a" "f4ff567ec136d92d453b12ada5bb5a2faf3d707a0ad2e8783e6d4aa4035e782b"`
[INFO] [stderr]    Compiling structlog v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "f4ff567ec136d92d453b12ada5bb5a2faf3d707a0ad2e8783e6d4aa4035e782b"`
[INFO] running `"docker" "rm" "-f" "f4ff567ec136d92d453b12ada5bb5a2faf3d707a0ad2e8783e6d4aa4035e782b"`
[INFO] [stdout] f4ff567ec136d92d453b12ada5bb5a2faf3d707a0ad2e8783e6d4aa4035e782b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8f850f5990dc9da6f3c11ed36a2af17e835166ffa131f0ad76d1b54e89ea9b5f
[INFO] running `"docker" "start" "-a" "8f850f5990dc9da6f3c11ed36a2af17e835166ffa131f0ad76d1b54e89ea9b5f"`
[INFO] [stderr]    Compiling structlog v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "8f850f5990dc9da6f3c11ed36a2af17e835166ffa131f0ad76d1b54e89ea9b5f"`
[INFO] running `"docker" "rm" "-f" "8f850f5990dc9da6f3c11ed36a2af17e835166ffa131f0ad76d1b54e89ea9b5f"`
[INFO] [stdout] 8f850f5990dc9da6f3c11ed36a2af17e835166ffa131f0ad76d1b54e89ea9b5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3ff150f37bf47e40d4b43721570f60717f8cc6f32ab25723e8953e59221ca85c
[INFO] running `"docker" "start" "-a" "3ff150f37bf47e40d4b43721570f60717f8cc6f32ab25723e8953e59221ca85c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/structlog-a8f4239b50046d21
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test event::test_event_display ... ok
[INFO] [stdout] test event::test_add_field ... ok
[INFO] [stdout] test event::test_add_field_in_chain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/integration_tests-7f2e8bf7bd29993a
[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] [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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3ff150f37bf47e40d4b43721570f60717f8cc6f32ab25723e8953e59221ca85c"`
[INFO] running `"docker" "rm" "-f" "3ff150f37bf47e40d4b43721570f60717f8cc6f32ab25723e8953e59221ca85c"`
[INFO] [stdout] 3ff150f37bf47e40d4b43721570f60717f8cc6f32ab25723e8953e59221ca85c