[INFO] updating cached repository agend/tower-grpc-bench [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/agend/tower-grpc-bench [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/agend/tower-grpc-bench" "work/ex/beta-1.37-6/sources/1.36.0/gh/agend/tower-grpc-bench"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/agend/tower-grpc-bench'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/agend/tower-grpc-bench" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/agend/tower-grpc-bench"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/agend/tower-grpc-bench'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e5aaeacca4aec947b0a3493836b2316b7b28c2c5 [INFO] sha for GitHub repo agend/tower-grpc-bench: e5aaeacca4aec947b0a3493836b2316b7b28c2c5 [INFO] validating manifest of agend/tower-grpc-bench 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 agend/tower-grpc-bench 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 agend/tower-grpc-bench [INFO] finished frobbing agend/tower-grpc-bench [INFO] frobbed toml for agend/tower-grpc-bench written to work/ex/beta-1.37-6/sources/1.36.0/gh/agend/tower-grpc-bench/Cargo.toml [INFO] started frobbing agend/tower-grpc-bench [INFO] finished frobbing agend/tower-grpc-bench [INFO] frobbed toml for agend/tower-grpc-bench written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/agend/tower-grpc-bench/Cargo.toml [INFO] crate agend/tower-grpc-bench 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing agend/tower-grpc-bench against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/agend/tower-grpc-bench:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 9b9532fc6215b8d80191c9ff81bb23aa0b8186b1d763d4d43e242436dab3d223 [INFO] running `"docker" "start" "-a" "9b9532fc6215b8d80191c9ff81bb23aa0b8186b1d763d4d43e242436dab3d223"` [INFO] [stderr] Compiling cc v1.0.32 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling either v1.5.1 [INFO] [stderr] Compiling multimap v0.4.0 [INFO] [stderr] Compiling tower-service v0.2.0 [INFO] [stderr] Compiling codegen v0.1.1 (https://github.com/carllerche/codegen#87e270f7) [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling num-bigint v0.1.44 [INFO] [stderr] Compiling tower-layer v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling tower-discover v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling tempfile v3.0.7 [INFO] [stderr] Compiling tokio-threadpool v0.1.13 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling tower-buffer v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling tower-in-flight-limit v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling tower-rate-limit v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling tower-retry v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling tower-filter v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling tower-load-shed v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling tower-timeout v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.16 [INFO] [stderr] Compiling tokio-buf v0.1.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling stopwatch v0.0.7 [INFO] [stderr] Compiling tower-util v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling tokio-connect v0.1.0 (https://github.com/carllerche/tokio-connect#f7ad1ca4) [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tower-balance v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling tower-reconnect v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling backtrace v0.3.14 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling tower v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling tokio v0.1.18 [INFO] [stderr] Compiling prost-build v0.5.0 [INFO] [stderr] Compiling prost-derive v0.5.0 [INFO] [stderr] Compiling h2 v0.1.17 [INFO] [stderr] Compiling tower-http-service v0.1.0 (https://github.com/tower-rs/tower-http#6d7a9fdc) [INFO] [stderr] Compiling tower-add-origin v0.1.0 (https://github.com/tower-rs/tower-http#6d7a9fdc) [INFO] [stderr] Compiling prost v0.5.0 [INFO] [stderr] Compiling prost-types v0.5.0 [INFO] [stderr] Compiling tower-h2 v0.1.0 (https://github.com/tower-rs/tower-h2#ac7ea5bd) [INFO] [stderr] Compiling tower-grpc v0.1.0 (https://github.com/tower-rs/tower-grpc#979567f3) [INFO] [stderr] Compiling tower-grpc-build v0.1.0 (https://github.com/tower-rs/tower-grpc#979567f3) [INFO] [stderr] Compiling tower-grpc-bench v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `FutureResult` [INFO] [stderr] --> src/helloworld/client.rs:14:38 [INFO] [stderr] | [INFO] [stderr] 14 | use futures::future::{loop_fn, Loop, FutureResult}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Async` [INFO] [stderr] --> src/helloworld/client.rs:16:29 [INFO] [stderr] | [INFO] [stderr] 16 | use futures::{Future, Poll, Async}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::executor::DefaultExecutor` [INFO] [stderr] --> src/helloworld/client.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use tokio::executor::DefaultExecutor; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ConnectFuture` [INFO] [stderr] --> src/helloworld/client.rs:18:23 [INFO] [stderr] | [INFO] [stderr] 18 | use tokio::net::tcp::{ConnectFuture, TcpStream}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `request` [INFO] [stderr] --> src/helloworld/server.rs:29:29 [INFO] [stderr] | [INFO] [stderr] 29 | fn say_hello(&mut self, request: Request) -> Self::SayHelloFuture { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_request` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 32s [INFO] running `"docker" "inspect" "9b9532fc6215b8d80191c9ff81bb23aa0b8186b1d763d4d43e242436dab3d223"` [INFO] running `"docker" "rm" "-f" "9b9532fc6215b8d80191c9ff81bb23aa0b8186b1d763d4d43e242436dab3d223"` [INFO] [stdout] 9b9532fc6215b8d80191c9ff81bb23aa0b8186b1d763d4d43e242436dab3d223 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/agend/tower-grpc-bench:/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] bf529a7c51fc267d42ba358a14b881c6c0c9f80d66448b63f4bd223a17711773 [INFO] running `"docker" "start" "-a" "bf529a7c51fc267d42ba358a14b881c6c0c9f80d66448b63f4bd223a17711773"` [INFO] [stderr] Compiling tower-grpc-bench v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `FutureResult` [INFO] [stderr] --> src/helloworld/client.rs:14:38 [INFO] [stderr] | [INFO] [stderr] 14 | use futures::future::{loop_fn, Loop, FutureResult}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Async` [INFO] [stderr] --> src/helloworld/client.rs:16:29 [INFO] [stderr] | [INFO] [stderr] 16 | use futures::{Future, Poll, Async}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::executor::DefaultExecutor` [INFO] [stderr] --> src/helloworld/client.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use tokio::executor::DefaultExecutor; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ConnectFuture` [INFO] [stderr] --> src/helloworld/client.rs:18:23 [INFO] [stderr] | [INFO] [stderr] 18 | use tokio::net::tcp::{ConnectFuture, TcpStream}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `request` [INFO] [stderr] --> src/helloworld/server.rs:29:29 [INFO] [stderr] | [INFO] [stderr] 29 | fn say_hello(&mut self, request: Request) -> Self::SayHelloFuture { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_request` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.41s [INFO] running `"docker" "inspect" "bf529a7c51fc267d42ba358a14b881c6c0c9f80d66448b63f4bd223a17711773"` [INFO] running `"docker" "rm" "-f" "bf529a7c51fc267d42ba358a14b881c6c0c9f80d66448b63f4bd223a17711773"` [INFO] [stdout] bf529a7c51fc267d42ba358a14b881c6c0c9f80d66448b63f4bd223a17711773 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/agend/tower-grpc-bench:/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] bf455336ce4a171bcc76bf4f14558a9c8d9d0f1572d0cbf728adb1d187a2f7af [INFO] running `"docker" "start" "-a" "bf455336ce4a171bcc76bf4f14558a9c8d9d0f1572d0cbf728adb1d187a2f7af"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.25s [INFO] [stderr] Running /opt/crater/target/debug/deps/client-45af208c21deacf4 [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/server-537d574595dedea0 [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" "bf455336ce4a171bcc76bf4f14558a9c8d9d0f1572d0cbf728adb1d187a2f7af"` [INFO] running `"docker" "rm" "-f" "bf455336ce4a171bcc76bf4f14558a9c8d9d0f1572d0cbf728adb1d187a2f7af"` [INFO] [stdout] bf455336ce4a171bcc76bf4f14558a9c8d9d0f1572d0cbf728adb1d187a2f7af