[INFO] updating cached repository leshow/finger-tokio
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/leshow/finger-tokio
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/leshow/finger-tokio" "work/ex/beta-1.37-6/sources/1.36.0/gh/leshow/finger-tokio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/leshow/finger-tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/leshow/finger-tokio" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/leshow/finger-tokio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/leshow/finger-tokio'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6663b59d84d7cf64e6320e26afafea2793ec7da0
[INFO] sha for GitHub repo leshow/finger-tokio: 6663b59d84d7cf64e6320e26afafea2793ec7da0
[INFO] validating manifest of leshow/finger-tokio 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 leshow/finger-tokio 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 leshow/finger-tokio
[INFO] finished frobbing leshow/finger-tokio
[INFO] frobbed toml for leshow/finger-tokio written to work/ex/beta-1.37-6/sources/1.36.0/gh/leshow/finger-tokio/Cargo.toml
[INFO] started frobbing leshow/finger-tokio
[INFO] finished frobbing leshow/finger-tokio
[INFO] frobbed toml for leshow/finger-tokio written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/leshow/finger-tokio/Cargo.toml
[INFO] crate leshow/finger-tokio already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing leshow/finger-tokio 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-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/leshow/finger-tokio:/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] edede1727996009d39994b4243b1072a88a1775581ddad23ea3f644dce482892
[INFO] running `"docker" "start" "-a" "edede1727996009d39994b4243b1072a88a1775581ddad23ea3f644dce482892"`
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling hostname v0.1.3
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.5
[INFO] [stderr]    Compiling echo-proto v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `"docker" "inspect" "edede1727996009d39994b4243b1072a88a1775581ddad23ea3f644dce482892"`
[INFO] running `"docker" "rm" "-f" "edede1727996009d39994b4243b1072a88a1775581ddad23ea3f644dce482892"`
[INFO] [stdout] edede1727996009d39994b4243b1072a88a1775581ddad23ea3f644dce482892
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/leshow/finger-tokio:/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] 9e171abd60dc5883df32c6ed0a49119ac8c760bcb0e257add2642835f63c7aa3
[INFO] running `"docker" "start" "-a" "9e171abd60dc5883df32c6ed0a49119ac8c760bcb0e257add2642835f63c7aa3"`
[INFO] [stderr]    Compiling echo-proto v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "9e171abd60dc5883df32c6ed0a49119ac8c760bcb0e257add2642835f63c7aa3"`
[INFO] running `"docker" "rm" "-f" "9e171abd60dc5883df32c6ed0a49119ac8c760bcb0e257add2642835f63c7aa3"`
[INFO] [stdout] 9e171abd60dc5883df32c6ed0a49119ac8c760bcb0e257add2642835f63c7aa3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/leshow/finger-tokio:/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] eb4c98a2c78f1ebf5056e5184ad84042e2704cebc0c4ce2249648e5a62b4ba14
[INFO] running `"docker" "start" "-a" "eb4c98a2c78f1ebf5056e5184ad84042e2704cebc0c4ce2249648e5a62b4ba14"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_proto-c1633cc8c1f39842
[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" "eb4c98a2c78f1ebf5056e5184ad84042e2704cebc0c4ce2249648e5a62b4ba14"`
[INFO] running `"docker" "rm" "-f" "eb4c98a2c78f1ebf5056e5184ad84042e2704cebc0c4ce2249648e5a62b4ba14"`
[INFO] [stdout] eb4c98a2c78f1ebf5056e5184ad84042e2704cebc0c4ce2249648e5a62b4ba14