[INFO] updating cached repository dominikdosoudil/rpc-server-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dominikdosoudil/rpc-server-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dominikdosoudil/rpc-server-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/dominikdosoudil/rpc-server-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dominikdosoudil/rpc-server-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dominikdosoudil/rpc-server-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dominikdosoudil/rpc-server-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dominikdosoudil/rpc-server-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8dd22e836e26ad88653553b399eae885929c9747
[INFO] sha for GitHub repo dominikdosoudil/rpc-server-example: 8dd22e836e26ad88653553b399eae885929c9747
[INFO] validating manifest of dominikdosoudil/rpc-server-example 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 dominikdosoudil/rpc-server-example 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 dominikdosoudil/rpc-server-example
[INFO] finished frobbing dominikdosoudil/rpc-server-example
[INFO] frobbed toml for dominikdosoudil/rpc-server-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/dominikdosoudil/rpc-server-example/Cargo.toml
[INFO] started frobbing dominikdosoudil/rpc-server-example
[INFO] finished frobbing dominikdosoudil/rpc-server-example
[INFO] frobbed toml for dominikdosoudil/rpc-server-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dominikdosoudil/rpc-server-example/Cargo.toml
[INFO] crate dominikdosoudil/rpc-server-example 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dominikdosoudil/rpc-server-example 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dominikdosoudil/rpc-server-example:/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] 548f92fce2a493ba91f2f6561cdf4a2eb5f6813bb83970340015d5b4aa08b7c3
[INFO] running `"docker" "start" "-a" "548f92fce2a493ba91f2f6561cdf4a2eb5f6813bb83970340015d5b4aa08b7c3"`
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling base64 v0.8.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.7
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling tokio-core v0.1.11
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.9
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server/mod.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     type Future = Box<Future<Item=Self::Response, Error=Self::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Self::Response, Error=Self::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.32s
[INFO] running `"docker" "inspect" "548f92fce2a493ba91f2f6561cdf4a2eb5f6813bb83970340015d5b4aa08b7c3"`
[INFO] running `"docker" "rm" "-f" "548f92fce2a493ba91f2f6561cdf4a2eb5f6813bb83970340015d5b4aa08b7c3"`
[INFO] [stdout] 548f92fce2a493ba91f2f6561cdf4a2eb5f6813bb83970340015d5b4aa08b7c3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dominikdosoudil/rpc-server-example:/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] b5ff831dd3c79c50269530172e644dd71c285a29a7ccff008d20fffcb099815d
[INFO] running `"docker" "start" "-a" "b5ff831dd3c79c50269530172e644dd71c285a29a7ccff008d20fffcb099815d"`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server/mod.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     type Future = Box<Future<Item=Self::Response, Error=Self::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Self::Response, Error=Self::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "b5ff831dd3c79c50269530172e644dd71c285a29a7ccff008d20fffcb099815d"`
[INFO] running `"docker" "rm" "-f" "b5ff831dd3c79c50269530172e644dd71c285a29a7ccff008d20fffcb099815d"`
[INFO] [stdout] b5ff831dd3c79c50269530172e644dd71c285a29a7ccff008d20fffcb099815d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dominikdosoudil/rpc-server-example:/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] 80813c3a38a3f58e15aa5421c25d1d1866a404106a2568c0249308a733b75dcf
[INFO] running `"docker" "start" "-a" "80813c3a38a3f58e15aa5421c25d1d1866a404106a2568c0249308a733b75dcf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_cargo-75217e697a6a9ac0
[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" "80813c3a38a3f58e15aa5421c25d1d1866a404106a2568c0249308a733b75dcf"`
[INFO] running `"docker" "rm" "-f" "80813c3a38a3f58e15aa5421c25d1d1866a404106a2568c0249308a733b75dcf"`
[INFO] [stdout] 80813c3a38a3f58e15aa5421c25d1d1866a404106a2568c0249308a733b75dcf