[INFO] crate byte_stream_splitter 0.1.4 is already in cache
[INFO] extracting crate byte_stream_splitter 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/byte_stream_splitter/0.1.4
[INFO] extracting crate byte_stream_splitter 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/byte_stream_splitter/0.1.4
[INFO] validating manifest of byte_stream_splitter-0.1.4 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 byte_stream_splitter-0.1.4 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 byte_stream_splitter-0.1.4
[INFO] finished frobbing byte_stream_splitter-0.1.4
[INFO] frobbed toml for byte_stream_splitter-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/byte_stream_splitter/0.1.4/Cargo.toml
[INFO] started frobbing byte_stream_splitter-0.1.4
[INFO] finished frobbing byte_stream_splitter-0.1.4
[INFO] frobbed toml for byte_stream_splitter-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/byte_stream_splitter/0.1.4/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 byte_stream_splitter-0.1.4 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-0/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/byte_stream_splitter/0.1.4:/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] 1dca3f7de115b29897bf6dc18e57419dde335ac5ec6b28e23b3816608e589c53
[INFO] running `"docker" "start" "-a" "1dca3f7de115b29897bf6dc18e57419dde335ac5ec6b28e23b3816608e589c53"`
[INFO] [stderr]    Compiling byte_stream_splitter v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:71
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn read_until_first_separator_byte_or_eof(&mut self, output: &mut Write)->SplitResult<Option<u8>>{
[INFO] [stderr]    |                                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:94:48
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn next_to_buf(&mut self, output: &mut Write) -> SplitResult<SplitType>{
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "1dca3f7de115b29897bf6dc18e57419dde335ac5ec6b28e23b3816608e589c53"`
[INFO] running `"docker" "rm" "-f" "1dca3f7de115b29897bf6dc18e57419dde335ac5ec6b28e23b3816608e589c53"`
[INFO] [stdout] 1dca3f7de115b29897bf6dc18e57419dde335ac5ec6b28e23b3816608e589c53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/byte_stream_splitter/0.1.4:/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] 1078d5504d935461c69a00c8f8340ce5b5b9636a0a4a5f22783d5b2914e962ba
[INFO] running `"docker" "start" "-a" "1078d5504d935461c69a00c8f8340ce5b5b9636a0a4a5f22783d5b2914e962ba"`
[INFO] [stderr]    Compiling byte_stream_splitter v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:71
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn read_until_first_separator_byte_or_eof(&mut self, output: &mut Write)->SplitResult<Option<u8>>{
[INFO] [stderr]    |                                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:94:48
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn next_to_buf(&mut self, output: &mut Write) -> SplitResult<SplitType>{
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "1078d5504d935461c69a00c8f8340ce5b5b9636a0a4a5f22783d5b2914e962ba"`
[INFO] running `"docker" "rm" "-f" "1078d5504d935461c69a00c8f8340ce5b5b9636a0a4a5f22783d5b2914e962ba"`
[INFO] [stdout] 1078d5504d935461c69a00c8f8340ce5b5b9636a0a4a5f22783d5b2914e962ba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/byte_stream_splitter/0.1.4:/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] 315f326e4920c07fd520c5cdf8006573c12afcf25bf0a84d6bc33b8ef6d84447
[INFO] running `"docker" "start" "-a" "315f326e4920c07fd520c5cdf8006573c12afcf25bf0a84d6bc33b8ef6d84447"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/byte_stream_splitter-8cd8a5649b24beee
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_with_prefix ... ok
[INFO] [stdout] test test_without_prefix ... ok
[INFO] [stdout] test test_skip_bug ... ok
[INFO] [stdout] test test_skip_bug2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests byte_stream_splitter
[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" "315f326e4920c07fd520c5cdf8006573c12afcf25bf0a84d6bc33b8ef6d84447"`
[INFO] running `"docker" "rm" "-f" "315f326e4920c07fd520c5cdf8006573c12afcf25bf0a84d6bc33b8ef6d84447"`
[INFO] [stdout] 315f326e4920c07fd520c5cdf8006573c12afcf25bf0a84d6bc33b8ef6d84447