[INFO] crate tower-hyper 0.1.0 is already in cache
[INFO] extracting crate tower-hyper 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tower-hyper/0.1.0
[INFO] extracting crate tower-hyper 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-hyper/0.1.0
[INFO] validating manifest of tower-hyper-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 tower-hyper-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 tower-hyper-0.1.0
[INFO] finished frobbing tower-hyper-0.1.0
[INFO] frobbed toml for tower-hyper-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tower-hyper/0.1.0/Cargo.toml
[INFO] started frobbing tower-hyper-0.1.0
[INFO] finished frobbing tower-hyper-0.1.0
[INFO] frobbed toml for tower-hyper-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-hyper/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 tower-hyper-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-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/tower-hyper/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] 14ec3e70f86d77cc41b5cea53602dd487c85c7de799252a8daeaa1c5c4961299
[INFO] running `"docker" "start" "-a" "14ec3e70f86d77cc41b5cea53602dd487c85c7de799252a8daeaa1c5c4961299"`
[INFO] [stderr]    Compiling tower-layer v0.1.0
[INFO] [stderr]    Compiling http-connection v0.1.0
[INFO] [stderr]    Compiling tower-util v0.1.0
[INFO] [stderr]    Compiling tower-http-util v0.1.0
[INFO] [stderr]    Compiling tower-hyper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client/connect.rs:254:32
[INFO] [stderr]     |
[INFO] [stderr] 254 |     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/server/mod.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub type Serve<E> = Box<Future<Item = (), Error = Error<E>> + Send + 'static>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error<E>> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `"docker" "inspect" "14ec3e70f86d77cc41b5cea53602dd487c85c7de799252a8daeaa1c5c4961299"`
[INFO] running `"docker" "rm" "-f" "14ec3e70f86d77cc41b5cea53602dd487c85c7de799252a8daeaa1c5c4961299"`
[INFO] [stdout] 14ec3e70f86d77cc41b5cea53602dd487c85c7de799252a8daeaa1c5c4961299
[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/tower-hyper/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] 8ba92ecd88857fe8f83a37c6c4ecf47a1b46893460a7550100a6e4676284aab4
[INFO] running `"docker" "start" "-a" "8ba92ecd88857fe8f83a37c6c4ecf47a1b46893460a7550100a6e4676284aab4"`
[INFO] [stderr]    Compiling tower-discover v0.1.0
[INFO] [stderr]    Compiling tracing v0.1.3
[INFO] [stderr]    Compiling tower-load-shed v0.1.0
[INFO] [stderr]    Compiling tower-limit v0.1.0
[INFO] [stderr]    Compiling tower-timeout v0.1.1
[INFO] [stderr]    Compiling tower-retry v0.1.0
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling tower-buffer v0.1.1
[INFO] [stderr]    Compiling tower v0.1.1
[INFO] [stderr]    Compiling tower-hyper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/connect.rs:75:23
[INFO] [stderr]    |
[INFO] [stderr] 75 |     type Future = Box<Future<Item = Self::Response, Error = Self::Error> + Send + 'static>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error> + Send + 'static`
[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/client/connect.rs:254:32
[INFO] [stderr]     |
[INFO] [stderr] 254 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:3:24
[INFO] [stderr]     |
[INFO] [stderr] 3   | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server/mod.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub type Serve<E> = Box<Future<Item = (), Error = Error<E>> + Send + 'static>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = Error<E>> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.66s
[INFO] running `"docker" "inspect" "8ba92ecd88857fe8f83a37c6c4ecf47a1b46893460a7550100a6e4676284aab4"`
[INFO] running `"docker" "rm" "-f" "8ba92ecd88857fe8f83a37c6c4ecf47a1b46893460a7550100a6e4676284aab4"`
[INFO] [stdout] 8ba92ecd88857fe8f83a37c6c4ecf47a1b46893460a7550100a6e4676284aab4
[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/tower-hyper/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] 3ca60c95596fa57b37d8fa014dd2f4465944346d1ed345a2e7cdb5b3a151fdb2
[INFO] running `"docker" "start" "-a" "3ca60c95596fa57b37d8fa014dd2f4465944346d1ed345a2e7cdb5b3a151fdb2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tower_hyper-c72a107ce10f0c99
[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] [stderr]      Running /opt/crater/target/debug/deps/client-9607e51f15dae6fe
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test hello_world ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/connect-79057be17ba05031
[INFO] [stdout] test http_connection_http2 ... ok
[INFO] [stdout] test hello_world ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-hyper
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/util.rs - util::Connector (line 14) ... ok
[INFO] [stdout] test src/client/mod.rs - client::Client<C, B>::with_client (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3ca60c95596fa57b37d8fa014dd2f4465944346d1ed345a2e7cdb5b3a151fdb2"`
[INFO] running `"docker" "rm" "-f" "3ca60c95596fa57b37d8fa014dd2f4465944346d1ed345a2e7cdb5b3a151fdb2"`
[INFO] [stdout] 3ca60c95596fa57b37d8fa014dd2f4465944346d1ed345a2e7cdb5b3a151fdb2