[INFO] crate flats 0.1.0 is already in cache
[INFO] extracting crate flats 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/flats/0.1.0
[INFO] extracting crate flats 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flats/0.1.0
[INFO] validating manifest of flats-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 flats-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 flats-0.1.0
[INFO] finished frobbing flats-0.1.0
[INFO] frobbed toml for flats-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/flats/0.1.0/Cargo.toml
[INFO] started frobbing flats-0.1.0
[INFO] finished frobbing flats-0.1.0
[INFO] frobbed toml for flats-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flats/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 flats-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flats/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] d0605e7e8822b6e1abaa53c918be7805aa3c381a3e286a0e16c9a4368a2b54ad
[INFO] running `"docker" "start" "-a" "d0605e7e8822b6e1abaa53c918be7805aa3c381a3e286a0e16c9a4368a2b54ad"`
[INFO] [stderr]    Compiling flats v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "d0605e7e8822b6e1abaa53c918be7805aa3c381a3e286a0e16c9a4368a2b54ad"`
[INFO] running `"docker" "rm" "-f" "d0605e7e8822b6e1abaa53c918be7805aa3c381a3e286a0e16c9a4368a2b54ad"`
[INFO] [stdout] d0605e7e8822b6e1abaa53c918be7805aa3c381a3e286a0e16c9a4368a2b54ad
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flats/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 04a8c047d489bb37f54222834cfbf69685483100a91bbae29becb58cf0003b9c
[INFO] running `"docker" "start" "-a" "04a8c047d489bb37f54222834cfbf69685483100a91bbae29becb58cf0003b9c"`
[INFO] [stderr]    Compiling flats v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "04a8c047d489bb37f54222834cfbf69685483100a91bbae29becb58cf0003b9c"`
[INFO] running `"docker" "rm" "-f" "04a8c047d489bb37f54222834cfbf69685483100a91bbae29becb58cf0003b9c"`
[INFO] [stdout] 04a8c047d489bb37f54222834cfbf69685483100a91bbae29becb58cf0003b9c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/flats/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4df006c1561764cb098e2d3551248a0b7ade5aba6e1f2edc4fb30026e1b6ea32
[INFO] running `"docker" "start" "-a" "4df006c1561764cb098e2d3551248a0b7ade5aba6e1f2edc4fb30026e1b6ea32"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flats-c2a803c7796e5195
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::flattens_to_serializable ... ok
[INFO] [stdout] test tests::flattens_nested_maps ... ok
[INFO] [stdout] test scalar::tests::bool_display ... ok
[INFO] [stdout] test scalar::tests::null_display ... ok
[INFO] [stdout] test scalar::tests::number_display ... ok
[INFO] [stdout] test scalar::tests::string_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flats
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4df006c1561764cb098e2d3551248a0b7ade5aba6e1f2edc4fb30026e1b6ea32"`
[INFO] running `"docker" "rm" "-f" "4df006c1561764cb098e2d3551248a0b7ade5aba6e1f2edc4fb30026e1b6ea32"`
[INFO] [stdout] 4df006c1561764cb098e2d3551248a0b7ade5aba6e1f2edc4fb30026e1b6ea32