[INFO] crate uhttp_sse 0.5.1 is already in cache
[INFO] extracting crate uhttp_sse 0.5.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/uhttp_sse/0.5.1
[INFO] extracting crate uhttp_sse 0.5.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/uhttp_sse/0.5.1
[INFO] validating manifest of uhttp_sse-0.5.1 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 uhttp_sse-0.5.1 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 uhttp_sse-0.5.1
[INFO] finished frobbing uhttp_sse-0.5.1
[INFO] frobbed toml for uhttp_sse-0.5.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/uhttp_sse/0.5.1/Cargo.toml
[INFO] started frobbing uhttp_sse-0.5.1
[INFO] finished frobbing uhttp_sse-0.5.1
[INFO] frobbed toml for uhttp_sse-0.5.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/uhttp_sse/0.5.1/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 uhttp_sse-0.5.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/uhttp_sse/0.5.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 039b347d757437317a532cb6ae613f27cf66fd29d450dc7d92bc9e979322fdb4
[INFO] running `"docker" "start" "-a" "039b347d757437317a532cb6ae613f27cf66fd29d450dc7d92bc9e979322fdb4"`
[INFO] [stderr]    Compiling uhttp_sse v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/lib.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         self.finish().is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/lib.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         self.0.flush().is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:123:26
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn drop(&mut self) { self.0.write(b"\n").is_ok(); }
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "039b347d757437317a532cb6ae613f27cf66fd29d450dc7d92bc9e979322fdb4"`
[INFO] running `"docker" "rm" "-f" "039b347d757437317a532cb6ae613f27cf66fd29d450dc7d92bc9e979322fdb4"`
[INFO] [stdout] 039b347d757437317a532cb6ae613f27cf66fd29d450dc7d92bc9e979322fdb4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/uhttp_sse/0.5.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 54b87493b774c1748b3c7ce071261276e7eb50b811c967bfb508949c9cc8b520
[INFO] running `"docker" "start" "-a" "54b87493b774c1748b3c7ce071261276e7eb50b811c967bfb508949c9cc8b520"`
[INFO] [stderr]    Compiling uhttp_sse v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/lib.rs:92:9
[INFO] [stderr]    |
[INFO] [stderr] 92 |         self.finish().is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/lib.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         self.0.flush().is_ok();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:123:26
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn drop(&mut self) { self.0.write(b"\n").is_ok(); }
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "54b87493b774c1748b3c7ce071261276e7eb50b811c967bfb508949c9cc8b520"`
[INFO] running `"docker" "rm" "-f" "54b87493b774c1748b3c7ce071261276e7eb50b811c967bfb508949c9cc8b520"`
[INFO] [stdout] 54b87493b774c1748b3c7ce071261276e7eb50b811c967bfb508949c9cc8b520
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/uhttp_sse/0.5.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 81d3ae7f8835f7b0538ac64cba793692ae7000d1ecd1fd520d5232cc837efb66
[INFO] running `"docker" "start" "-a" "81d3ae7f8835f7b0538ac64cba793692ae7000d1ecd1fd520d5232cc837efb66"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/uhttp_sse-77b46b427ccd6d0b
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_finish ... ok
[INFO] [stdout] test test::test_sse_field ... ok
[INFO] [stdout] test test::test_sse_msg ... 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 uhttp_sse
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 10) ... 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" "81d3ae7f8835f7b0538ac64cba793692ae7000d1ecd1fd520d5232cc837efb66"`
[INFO] running `"docker" "rm" "-f" "81d3ae7f8835f7b0538ac64cba793692ae7000d1ecd1fd520d5232cc837efb66"`
[INFO] [stdout] 81d3ae7f8835f7b0538ac64cba793692ae7000d1ecd1fd520d5232cc837efb66