[INFO] updating cached repository tzilist/Rio
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tzilist/Rio
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tzilist/Rio" "work/ex/beta-1.38-1/sources/1.37.0/gh/tzilist/Rio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tzilist/Rio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tzilist/Rio" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tzilist/Rio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tzilist/Rio'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0504dc5da5c985c806866549527b562572374f56
[INFO] sha for GitHub repo tzilist/Rio: 0504dc5da5c985c806866549527b562572374f56
[INFO] validating manifest of tzilist/Rio 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 tzilist/Rio 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 tzilist/Rio
[INFO] finished frobbing tzilist/Rio
[INFO] frobbed toml for tzilist/Rio written to work/ex/beta-1.38-1/sources/1.37.0/gh/tzilist/Rio/Cargo.toml
[INFO] started frobbing tzilist/Rio
[INFO] finished frobbing tzilist/Rio
[INFO] frobbed toml for tzilist/Rio written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tzilist/Rio/Cargo.toml
[INFO] crate tzilist/Rio already has a lockfile, it will not be regenerated
[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 tzilist/Rio 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tzilist/Rio:/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] d95e70cb67e16ee396d51fb6f03cce5c536cfe2d5ea9f0a7476254ec6ff3d8ac
[INFO] running `"docker" "start" "-a" "d95e70cb67e16ee396d51fb6f03cce5c536cfe2d5ea9f0a7476254ec6ff3d8ac"`
[INFO] [stderr]    Compiling openssl v0.10.10
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling lru v0.1.7
[INFO] [stderr]    Compiling actix-web v0.6.14
[INFO] [stderr]    Compiling http v0.1.6
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling serde_json v1.0.21
[INFO] [stderr]    Compiling crossbeam-channel v0.1.3
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling trust-dns-proto v0.3.3
[INFO] [stderr]    Compiling tokio-signal v0.1.5
[INFO] [stderr]    Compiling cargo_metadata v0.5.6
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling skeptic v0.13.3
[INFO] [stderr]    Compiling h2 v0.1.10
[INFO] [stderr]    Compiling trust-dns-resolver v0.8.2
[INFO] [stderr]    Compiling tokio-openssl v0.2.0
[INFO] [stderr]    Compiling actix v0.5.8
[INFO] [stderr]    Compiling rio v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:20:46
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn streaming(req: HttpRequest) -> Result<Box<Future<Item = HttpResponse, Error = Error>>> {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = HttpResponse, Error = Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed for `lru::LruCache<K, V>`
[INFO] [stderr]   --> src/main.rs:40:19
[INFO] [stderr]    |
[INFO] [stderr] 40 |   let mut cache = LruCache::new(2);
[INFO] [stderr]    |       ---------   ^^^^^^^^^^^^^ cannot infer type for `K`
[INFO] [stderr]    |       |
[INFO] [stderr]    |       consider giving `cache` the explicit type `lru::LruCache<K, V>`, where the type parameter `K` is specified
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: Could not compile `rio`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d95e70cb67e16ee396d51fb6f03cce5c536cfe2d5ea9f0a7476254ec6ff3d8ac"`
[INFO] running `"docker" "rm" "-f" "d95e70cb67e16ee396d51fb6f03cce5c536cfe2d5ea9f0a7476254ec6ff3d8ac"`
[INFO] [stdout] d95e70cb67e16ee396d51fb6f03cce5c536cfe2d5ea9f0a7476254ec6ff3d8ac