[INFO] crate region_buffer 0.1.5 is already in cache
[INFO] extracting crate region_buffer 0.1.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/region_buffer/0.1.5
[INFO] extracting crate region_buffer 0.1.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/region_buffer/0.1.5
[INFO] validating manifest of region_buffer-0.1.5 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 region_buffer-0.1.5 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 region_buffer-0.1.5
[INFO] finished frobbing region_buffer-0.1.5
[INFO] frobbed toml for region_buffer-0.1.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/region_buffer/0.1.5/Cargo.toml
[INFO] started frobbing region_buffer-0.1.5
[INFO] finished frobbing region_buffer-0.1.5
[INFO] frobbed toml for region_buffer-0.1.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/region_buffer/0.1.5/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 region_buffer-0.1.5 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/region_buffer/0.1.5:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 4a7a1e8d08ccda52aa4193047388380ff9d1e41c92ea63780653af261168c11e
[INFO] running `"docker" "start" "-a" "4a7a1e8d08ccda52aa4193047388380ff9d1e41c92ea63780653af261168c11e"`
[INFO] [stderr]    Compiling region_buffer v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "4a7a1e8d08ccda52aa4193047388380ff9d1e41c92ea63780653af261168c11e"`
[INFO] running `"docker" "rm" "-f" "4a7a1e8d08ccda52aa4193047388380ff9d1e41c92ea63780653af261168c11e"`
[INFO] [stdout] 4a7a1e8d08ccda52aa4193047388380ff9d1e41c92ea63780653af261168c11e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/region_buffer/0.1.5:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 609ab561ed61cb49d2ea1ab1c2e25584de1f4682b016593cea33ad940bbc71e7
[INFO] running `"docker" "start" "-a" "609ab561ed61cb49d2ea1ab1c2e25584de1f4682b016593cea33ad940bbc71e7"`
[INFO] [stderr]    Compiling region_buffer v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "609ab561ed61cb49d2ea1ab1c2e25584de1f4682b016593cea33ad940bbc71e7"`
[INFO] running `"docker" "rm" "-f" "609ab561ed61cb49d2ea1ab1c2e25584de1f4682b016593cea33ad940bbc71e7"`
[INFO] [stdout] 609ab561ed61cb49d2ea1ab1c2e25584de1f4682b016593cea33ad940bbc71e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/region_buffer/0.1.5:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f301c70b97e72c89c665e87cc7c8665963e07d9a5f9ed838ec7cd641132aee8d
[INFO] running `"docker" "start" "-a" "f301c70b97e72c89c665e87cc7c8665963e07d9a5f9ed838ec7cd641132aee8d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/region_buffer-4a4c999405f9dfe2
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::dropped_region ... ok
[INFO] [stdout] test tests::basic_use ... ok
[INFO] [stdout] test tests::truncate ... ok
[INFO] [stdout] test tests::ends_in_overlap ... ok
[INFO] [stdout] test tests::truncate_into_borrowed ... ok
[INFO] [stdout] test tests::starts_in_overlap ... ok
[INFO] [stdout] test tests::completely_overlaps ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests region_buffer
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs -  (line 50) ... ok
[INFO] [stdout] test src/lib.rs - region_buffer (line 99) ... ok
[INFO] [stdout] test src/lib.rs -  (line 6) ... ok
[INFO] [stdout] test src/lib.rs -  (line 29) ... ok
[INFO] [stdout] test src/lib.rs - region_buffer (line 89) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f301c70b97e72c89c665e87cc7c8665963e07d9a5f9ed838ec7cd641132aee8d"`
[INFO] running `"docker" "rm" "-f" "f301c70b97e72c89c665e87cc7c8665963e07d9a5f9ed838ec7cd641132aee8d"`
[INFO] [stdout] f301c70b97e72c89c665e87cc7c8665963e07d9a5f9ed838ec7cd641132aee8d