[INFO] crate rust-flatten-json 0.1.0 is already in cache
[INFO] extracting crate rust-flatten-json 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/rust-flatten-json/0.1.0
[INFO] extracting crate rust-flatten-json 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rust-flatten-json/0.1.0
[INFO] validating manifest of rust-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 rust-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 rust-flatten-json-0.1.0
[INFO] finished frobbing rust-flatten-json-0.1.0
[INFO] frobbed toml for rust-flatten-json-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rust-flatten-json/0.1.0/Cargo.toml
[INFO] started frobbing rust-flatten-json-0.1.0
[INFO] finished frobbing rust-flatten-json-0.1.0
[INFO] frobbed toml for rust-flatten-json-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rust-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 rust-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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rust-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] 787980a6abf777c8ac3308d60f1f1fcdf310b42b7af813627a4ded234a46ff38
[INFO] running `"docker" "start" "-a" "787980a6abf777c8ac3308d60f1f1fcdf310b42b7af813627a4ded234a46ff38"`
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling rust-flatten-json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `"docker" "inspect" "787980a6abf777c8ac3308d60f1f1fcdf310b42b7af813627a4ded234a46ff38"`
[INFO] running `"docker" "rm" "-f" "787980a6abf777c8ac3308d60f1f1fcdf310b42b7af813627a4ded234a46ff38"`
[INFO] [stdout] 787980a6abf777c8ac3308d60f1f1fcdf310b42b7af813627a4ded234a46ff38
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rust-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] c8445e98a4d8e432e2315e8bff3b3c44942fece5934b452189f20de8b6360809
[INFO] running `"docker" "start" "-a" "c8445e98a4d8e432e2315e8bff3b3c44942fece5934b452189f20de8b6360809"`
[INFO] [stderr]    Compiling rust-flatten-json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "c8445e98a4d8e432e2315e8bff3b3c44942fece5934b452189f20de8b6360809"`
[INFO] running `"docker" "rm" "-f" "c8445e98a4d8e432e2315e8bff3b3c44942fece5934b452189f20de8b6360809"`
[INFO] [stdout] c8445e98a4d8e432e2315e8bff3b3c44942fece5934b452189f20de8b6360809
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rust-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] 68d41f7cae60edfdd4142e89e9808efbe34d578d4a9799140d9a1ffab836f2c6
[INFO] running `"docker" "start" "-a" "68d41f7cae60edfdd4142e89e9808efbe34d578d4a9799140d9a1ffab836f2c6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flatten_json-f7eb1a4e0e73b0be
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::single_bool_as_str_value ... ok
[INFO] [stdout] test tests::nested_single_key_value ... ok
[INFO] [stdout] test tests::nested_multiple_key_value ... ok
[INFO] [stdout] test tests::nested_array ... ok
[INFO] [stdout] test tests::multi_key_value ... ok
[INFO] [stdout] test tests::single_float_as_str_value ... ok
[INFO] [stdout] test tests::complex_nested_struct ... ok
[INFO] [stdout] test tests::nested_obj_array ... ok
[INFO] [stdout] test tests::single_int_value ... ok
[INFO] [stdout] test tests::single_int_as_str_value ... ok
[INFO] [stdout] test tests::single_int_as_str_no_infer_type_value ... ok
[INFO] [stdout] test tests::top_level_array ... ok
[INFO] [stdout] test tests::single_key_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/from_stdin-48cbda0c17a62cb9
[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] [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" "68d41f7cae60edfdd4142e89e9808efbe34d578d4a9799140d9a1ffab836f2c6"`
[INFO] running `"docker" "rm" "-f" "68d41f7cae60edfdd4142e89e9808efbe34d578d4a9799140d9a1ffab836f2c6"`
[INFO] [stdout] 68d41f7cae60edfdd4142e89e9808efbe34d578d4a9799140d9a1ffab836f2c6