[INFO] crate flatten_json 0.1.0 is already in cache
[INFO] extracting crate flatten_json 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/flatten_json/0.1.0
[INFO] extracting crate flatten_json 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flatten_json/0.1.0
[INFO] validating manifest of flatten_json-0.1.0 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 flatten_json-0.1.0 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 flatten_json-0.1.0
[INFO] finished frobbing flatten_json-0.1.0
[INFO] frobbed toml for flatten_json-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/flatten_json/0.1.0/Cargo.toml
[INFO] started frobbing flatten_json-0.1.0
[INFO] finished frobbing flatten_json-0.1.0
[INFO] frobbed toml for flatten_json-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flatten_json/0.1.0/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 flatten_json-0.1.0 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/flatten_json/0.1.0:/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] fd481f297f1ad0dcfb51e7173840c7caa57677b6b0d33df3238e8105cd9afa41
[INFO] running `"docker" "start" "-a" "fd481f297f1ad0dcfb51e7173840c7caa57677b6b0d33df3238e8105cd9afa41"`
[INFO] [stderr]    Compiling flatten_json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "fd481f297f1ad0dcfb51e7173840c7caa57677b6b0d33df3238e8105cd9afa41"`
[INFO] running `"docker" "rm" "-f" "fd481f297f1ad0dcfb51e7173840c7caa57677b6b0d33df3238e8105cd9afa41"`
[INFO] [stdout] fd481f297f1ad0dcfb51e7173840c7caa57677b6b0d33df3238e8105cd9afa41
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/flatten_json/0.1.0:/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] dd3dd69f3373159538e462479482cd7429e6fe435f0b371b3f64c3bbbc8f278c
[INFO] running `"docker" "start" "-a" "dd3dd69f3373159538e462479482cd7429e6fe435f0b371b3f64c3bbbc8f278c"`
[INFO] [stderr]    Compiling flatten_json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "dd3dd69f3373159538e462479482cd7429e6fe435f0b371b3f64c3bbbc8f278c"`
[INFO] running `"docker" "rm" "-f" "dd3dd69f3373159538e462479482cd7429e6fe435f0b371b3f64c3bbbc8f278c"`
[INFO] [stdout] dd3dd69f3373159538e462479482cd7429e6fe435f0b371b3f64c3bbbc8f278c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/flatten_json/0.1.0:/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] d2b3ae8c681b2798c4eec3f8011c1784e60560891551b0c8b8a34794cf97948d
[INFO] running `"docker" "start" "-a" "d2b3ae8c681b2798c4eec3f8011c1784e60560891551b0c8b8a34794cf97948d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flatten_json-fc9fd392172a174b
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_general_case ... ok
[INFO] [stdout] test tests::test_custom_key ... ok
[INFO] [stdout] test tests::test_flat_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flatten_json
[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" "d2b3ae8c681b2798c4eec3f8011c1784e60560891551b0c8b8a34794cf97948d"`
[INFO] running `"docker" "rm" "-f" "d2b3ae8c681b2798c4eec3f8011c1784e60560891551b0c8b8a34794cf97948d"`
[INFO] [stdout] d2b3ae8c681b2798c4eec3f8011c1784e60560891551b0c8b8a34794cf97948d