[INFO] cloning repository https://github.com/agend/tower-grpc-bench [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agend/tower-grpc-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagend%2Ftower-grpc-bench", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagend%2Ftower-grpc-bench'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e5aaeacca4aec947b0a3493836b2316b7b28c2c5 [INFO] checking agend/tower-grpc-bench against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagend%2Ftower-grpc-bench" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/agend/tower-grpc-bench on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/agend/tower-grpc-bench [INFO] finished tweaking git repo https://github.com/agend/tower-grpc-bench [INFO] tweaked toml for git repo https://github.com/agend/tower-grpc-bench written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/agend/tower-grpc-bench already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b267743e3b999f4ef4baa8e6d971f0e3eb013cb56c56e31b277dc2cbc222486 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7b267743e3b999f4ef4baa8e6d971f0e3eb013cb56c56e31b277dc2cbc222486", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b267743e3b999f4ef4baa8e6d971f0e3eb013cb56c56e31b277dc2cbc222486", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b267743e3b999f4ef4baa8e6d971f0e3eb013cb56c56e31b277dc2cbc222486", kill_on_drop: false }` [INFO] [stdout] 7b267743e3b999f4ef4baa8e6d971f0e3eb013cb56c56e31b277dc2cbc222486 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3573c2878268e3fcf734cf11dec3592e76e163112b00a90d14dd6d8f42c3b610 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3573c2878268e3fcf734cf11dec3592e76e163112b00a90d14dd6d8f42c3b610", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Checking futures v0.1.26 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking either v1.5.1 [INFO] [stderr] Compiling cc v1.0.32 [INFO] [stderr] Compiling rustc-demangle v0.1.13 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling indexmap v1.0.2 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling multimap v0.4.0 [INFO] [stderr] Checking string v0.1.3 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking tokio-trace-core v0.1.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking num-integer v0.1.39 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Compiling codegen v0.1.1 (https://github.com/carllerche/codegen#87e270f7) [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking tower-service v0.2.0 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking tokio-sync v0.1.4 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking tower-layer v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Checking tower-discover v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tower-load-shed v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Checking tower-filter v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tower-in-flight-limit v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Checking tower-buffer v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.16 [INFO] [stderr] Checking tokio-buf v0.1.0 [INFO] [stderr] Checking tower-timeout v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Checking tower-retry v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Checking tower-rate-limit v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Compiling backtrace v0.3.14 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Checking tower-util v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-connect v0.1.0 (https://github.com/carllerche/tokio-connect#f7ad1ca4) [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-threadpool v0.1.13 [INFO] [stderr] Checking tower-reconnect v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Checking tower-balance v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling prost-build v0.5.0 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Compiling tempfile v3.0.7 [INFO] [stderr] Checking tower v0.1.0 (https://github.com/tower-rs/tower#d7516c32) [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking stopwatch v0.0.7 [INFO] [stderr] Checking tokio v0.1.18 [INFO] [stderr] Checking tower-http-service v0.1.0 (https://github.com/tower-rs/tower-http#6d7a9fdc) [INFO] [stderr] Checking h2 v0.1.17 [INFO] [stderr] Checking tower-add-origin v0.1.0 (https://github.com/tower-rs/tower-http#6d7a9fdc) [INFO] [stderr] Compiling prost-derive v0.5.0 [INFO] [stderr] Checking tower-h2 v0.1.0 (https://github.com/tower-rs/tower-h2#ac7ea5bd) [INFO] [stderr] Compiling prost v0.5.0 [INFO] [stderr] Compiling prost-types v0.5.0 [INFO] [stderr] Checking 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/rustwide/workdir) [INFO] [stdout] warning: unused import: `FutureResult` [INFO] [stdout] --> src/helloworld/client.rs:14:38 [INFO] [stdout] | [INFO] [stdout] 14 | use futures::future::{loop_fn, Loop, FutureResult}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Async` [INFO] [stdout] --> src/helloworld/client.rs:16:29 [INFO] [stdout] | [INFO] [stdout] 16 | use futures::{Future, Poll, Async}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::executor::DefaultExecutor` [INFO] [stdout] --> src/helloworld/client.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use tokio::executor::DefaultExecutor; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ConnectFuture` [INFO] [stdout] --> src/helloworld/client.rs:18:23 [INFO] [stdout] | [INFO] [stdout] 18 | use tokio::net::tcp::{ConnectFuture, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/helloworld/client.rs:70:23 [INFO] [stdout] | [INFO] [stdout] 70 | type Future = Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FutureResult` [INFO] [stdout] --> src/helloworld/client.rs:14:38 [INFO] [stdout] | [INFO] [stdout] 14 | use futures::future::{loop_fn, Loop, FutureResult}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Async` [INFO] [stdout] --> src/helloworld/client.rs:16:29 [INFO] [stdout] | [INFO] [stdout] 16 | use futures::{Future, Poll, Async}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::executor::DefaultExecutor` [INFO] [stdout] --> src/helloworld/client.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use tokio::executor::DefaultExecutor; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ConnectFuture` [INFO] [stdout] --> src/helloworld/client.rs:18:23 [INFO] [stdout] | [INFO] [stdout] 18 | use tokio::net::tcp::{ConnectFuture, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/helloworld/client.rs:70:23 [INFO] [stdout] | [INFO] [stdout] 70 | type Future = Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> src/helloworld/server.rs:29:29 [INFO] [stdout] | [INFO] [stdout] 29 | fn say_hello(&mut self, request: Request) -> Self::SayHelloFuture { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> src/helloworld/server.rs:29:29 [INFO] [stdout] | [INFO] [stdout] 29 | fn say_hello(&mut self, request: Request) -> Self::SayHelloFuture { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 22s [INFO] running `Command { std: "docker" "inspect" "3573c2878268e3fcf734cf11dec3592e76e163112b00a90d14dd6d8f42c3b610", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3573c2878268e3fcf734cf11dec3592e76e163112b00a90d14dd6d8f42c3b610", kill_on_drop: false }` [INFO] [stdout] 3573c2878268e3fcf734cf11dec3592e76e163112b00a90d14dd6d8f42c3b610