[INFO] fetching crate mpart-async 0.2.1...
[INFO] extracting crate mpart-async 0.2.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/mpart-async/0.2.1
[INFO] extracting crate mpart-async 0.2.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mpart-async/0.2.1
[INFO] validating manifest of mpart-async-0.2.1 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 mpart-async-0.2.1 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 mpart-async-0.2.1
[INFO] finished frobbing mpart-async-0.2.1
[INFO] frobbed toml for mpart-async-0.2.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/mpart-async/0.2.1/Cargo.toml
[INFO] started frobbing mpart-async-0.2.1
[INFO] finished frobbing mpart-async-0.2.1
[INFO] frobbed toml for mpart-async-0.2.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mpart-async/0.2.1/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 mpart-async-0.2.1 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-7/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/mpart-async/0.2.1:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 13e326ca393ab079d6d405ca15dce36aa79454437bba8a30341bf131cadc9fd9
[INFO] running `"docker" "start" "-a" "13e326ca393ab079d6d405ca15dce36aa79454437bba8a30341bf131cadc9fd9"`
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling mpart-async v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `"docker" "inspect" "13e326ca393ab079d6d405ca15dce36aa79454437bba8a30341bf131cadc9fd9"`
[INFO] running `"docker" "rm" "-f" "13e326ca393ab079d6d405ca15dce36aa79454437bba8a30341bf131cadc9fd9"`
[INFO] [stdout] 13e326ca393ab079d6d405ca15dce36aa79454437bba8a30341bf131cadc9fd9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/mpart-async/0.2.1:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d979aebe919b7db0f267657ccf9b3c0cfe80f87eb022da14b54d7d6c9fa22d6f
[INFO] running `"docker" "start" "-a" "d979aebe919b7db0f267657ccf9b3c0cfe80f87eb022da14b54d7d6c9fa22d6f"`
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling mpart-async v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/hyper.rs:19:19
[INFO] [stderr]    |
[INFO] [stderr] 19 | type BoxFut = Box<Future<Item = Response<Body>, Error = hyper::Error> + Send>;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response<Body>, Error = hyper::Error> + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.95s
[INFO] running `"docker" "inspect" "d979aebe919b7db0f267657ccf9b3c0cfe80f87eb022da14b54d7d6c9fa22d6f"`
[INFO] running `"docker" "rm" "-f" "d979aebe919b7db0f267657ccf9b3c0cfe80f87eb022da14b54d7d6c9fa22d6f"`
[INFO] [stdout] d979aebe919b7db0f267657ccf9b3c0cfe80f87eb022da14b54d7d6c9fa22d6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/mpart-async/0.2.1:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] f31ecda8b258baea227eee15343ae0775a53947e36ad7bb8e6e375e6acf6c16a
[INFO] running `"docker" "start" "-a" "f31ecda8b258baea227eee15343ae0775a53947e36ad7bb8e6e375e6acf6c16a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mpart_async-f4d011e93b02c2e7
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::sets_boundary ... ok
[INFO] [stdout] test tests::writes_field_header ... ok
[INFO] [stdout] test tests::writes_stream_header ... ok
[INFO] [stdout] test tests::writes_fields ... ok
[INFO] [stdout] test tests::writes_streams ... ok
[INFO] [stdout] test tests::writes_streams_and_fields ... ok
[INFO] [stdout] test filestream::tests::new ... 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 mpart-async
[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" "f31ecda8b258baea227eee15343ae0775a53947e36ad7bb8e6e375e6acf6c16a"`
[INFO] running `"docker" "rm" "-f" "f31ecda8b258baea227eee15343ae0775a53947e36ad7bb8e6e375e6acf6c16a"`
[INFO] [stdout] f31ecda8b258baea227eee15343ae0775a53947e36ad7bb8e6e375e6acf6c16a