[INFO] fetching crate etcd-rs 0.2.2... [INFO] testing etcd-rs-0.2.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate etcd-rs 0.2.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate etcd-rs 0.2.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate etcd-rs 0.2.2 [INFO] finished tweaking crates.io crate etcd-rs 0.2.2 [INFO] tweaked toml for crates.io crate etcd-rs 0.2.2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate etcd-rs 0.2.2 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a469aa2f0f4930e43815d91b7dc648909a116841af23076fb91e6e3d6fad5cf8 [INFO] running `"docker" "start" "-a" "a469aa2f0f4930e43815d91b7dc648909a116841af23076fb91e6e3d6fad5cf8"` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bytes v0.5.4 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling arc-swap v0.4.5 [INFO] [stderr] Compiling pin-project-lite v0.1.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling tracing-core v0.1.10 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling prost-build v0.6.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling petgraph v0.5.0 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling prost-derive v0.6.1 [INFO] [stderr] Compiling tracing-attributes v0.1.7 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Compiling async-trait v0.1.30 [INFO] [stderr] Compiling async-stream v0.2.1 [INFO] [stderr] Compiling tokio v0.2.17 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling pin-project v0.4.8 [INFO] [stderr] Compiling tower-discover v0.3.0 [INFO] [stderr] Compiling tower-load-shed v0.3.0 [INFO] [stderr] Compiling tracing v0.1.13 [INFO] [stderr] Compiling tracing-futures v0.2.3 [INFO] [stderr] Compiling prost v0.6.1 [INFO] [stderr] Compiling prost-types v0.6.1 [INFO] [stderr] Compiling tower-util v0.3.1 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling tower-load v0.3.0 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tower-retry v0.3.0 [INFO] [stderr] Compiling tower-buffer v0.3.0 [INFO] [stderr] Compiling tower-make v0.3.0 [INFO] [stderr] Compiling tower-timeout v0.3.0 [INFO] [stderr] Compiling tower-ready-cache v0.3.1 [INFO] [stderr] Compiling tokio-util v0.2.0 [INFO] [stderr] Compiling tower-limit v0.3.1 [INFO] [stderr] Compiling h2 v0.2.4 [INFO] [stderr] Compiling tower-balance v0.3.0 [INFO] [stderr] Compiling tonic-build v0.1.1 [INFO] [stderr] Compiling tower v0.3.1 [INFO] [stderr] Compiling etcd-rs v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling hyper v0.13.4 [INFO] [stderr] Compiling tonic v0.1.1 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 52s [INFO] running `"docker" "inspect" "a469aa2f0f4930e43815d91b7dc648909a116841af23076fb91e6e3d6fad5cf8"` [INFO] running `"docker" "rm" "-f" "a469aa2f0f4930e43815d91b7dc648909a116841af23076fb91e6e3d6fad5cf8"` [INFO] [stdout] a469aa2f0f4930e43815d91b7dc648909a116841af23076fb91e6e3d6fad5cf8 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 05f0333561328f00ba1f384e0dd1ca35eb2b7b1c09d183c9dd77e31233fb89cf [INFO] running `"docker" "start" "-a" "05f0333561328f00ba1f384e0dd1ca35eb2b7b1c09d183c9dd77e31233fb89cf"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling etcd-rs v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> examples/lease.rs:110:5 [INFO] [stderr] | [INFO] [stderr] 101 | / loop { [INFO] [stderr] 102 | | interval.tick().await; [INFO] [stderr] 103 | | client [INFO] [stderr] 104 | | .lease() [INFO] [stderr] 105 | | .keep_alive(LeaseKeepAliveRequest::new(lease_id)) [INFO] [stderr] 106 | | .await; [INFO] [stderr] 107 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 110 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `grant_lease` [INFO] [stderr] --> examples/lease.rs:8:10 [INFO] [stderr] | [INFO] [stderr] 8 | async fn grant_lease(client: &Client) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 27.07s [INFO] running `"docker" "inspect" "05f0333561328f00ba1f384e0dd1ca35eb2b7b1c09d183c9dd77e31233fb89cf"` [INFO] running `"docker" "rm" "-f" "05f0333561328f00ba1f384e0dd1ca35eb2b7b1c09d183c9dd77e31233fb89cf"` [INFO] [stdout] 05f0333561328f00ba1f384e0dd1ca35eb2b7b1c09d183c9dd77e31233fb89cf [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cd410fe24ff3fc20c2be4caf9aa0e50095980b97cd19521063e3280cec1c8dfc [INFO] running `"docker" "start" "-a" "cd410fe24ff3fc20c2be4caf9aa0e50095980b97cd19521063e3280cec1c8dfc"` [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> examples/lease.rs:110:5 [INFO] [stderr] | [INFO] [stderr] 101 | / loop { [INFO] [stderr] 102 | | interval.tick().await; [INFO] [stderr] 103 | | client [INFO] [stderr] 104 | | .lease() [INFO] [stderr] 105 | | .keep_alive(LeaseKeepAliveRequest::new(lease_id)) [INFO] [stderr] 106 | | .await; [INFO] [stderr] 107 | | } [INFO] [stderr] | |_________- any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 110 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `grant_lease` [INFO] [stderr] --> examples/lease.rs:8:10 [INFO] [stderr] | [INFO] [stderr] 8 | async fn grant_lease(client: &Client) -> Result<()> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/etcd_rs-1358f794ad4b6c30 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test lazy::tests::test_lock_read ... ok [INFO] [stdout] test lazy::tests::test_lock_write ... ok [INFO] [stderr] Doc-tests etcd-rs [INFO] [stdout] test lazy::tests::test_lock_evict ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lease/mod.rs - lease (line 7) ... ok [INFO] [stdout] test src/watch/mod.rs - watch (line 7) ... ok [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "cd410fe24ff3fc20c2be4caf9aa0e50095980b97cd19521063e3280cec1c8dfc"` [INFO] running `"docker" "rm" "-f" "cd410fe24ff3fc20c2be4caf9aa0e50095980b97cd19521063e3280cec1c8dfc"` [INFO] [stdout] cd410fe24ff3fc20c2be4caf9aa0e50095980b97cd19521063e3280cec1c8dfc