[INFO] fetching crate cueball 0.3.4...
[INFO] testing cueball-0.3.4 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate cueball 0.3.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cueball 0.3.4 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cueball 0.3.4
[INFO] finished tweaking crates.io crate cueball 0.3.4
[INFO] tweaked toml for crates.io crate cueball 0.3.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 53d213161241cd345812e296b38b574cc3e41317e35872367cf3be55750ae427
[INFO] running `"docker" "start" "-a" "53d213161241cd345812e296b38b574cc3e41317e35872367cf3be55750ae427"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling cueball v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.58s
[INFO] running `"docker" "inspect" "53d213161241cd345812e296b38b574cc3e41317e35872367cf3be55750ae427"`
[INFO] running `"docker" "rm" "-f" "53d213161241cd345812e296b38b574cc3e41317e35872367cf3be55750ae427"`
[INFO] [stdout] 53d213161241cd345812e296b38b574cc3e41317e35872367cf3be55750ae427
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ca4840b242ce5ea097829d99a769eb1cc9b846f45adedf84ee6fce083f73911f
[INFO] running `"docker" "start" "-a" "ca4840b242ce5ea097829d99a769eb1cc9b846f45adedf84ee6fce083f73911f"`
[INFO] [stderr]    Compiling cueball v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `"docker" "inspect" "ca4840b242ce5ea097829d99a769eb1cc9b846f45adedf84ee6fce083f73911f"`
[INFO] running `"docker" "rm" "-f" "ca4840b242ce5ea097829d99a769eb1cc9b846f45adedf84ee6fce083f73911f"`
[INFO] [stdout] ca4840b242ce5ea097829d99a769eb1cc9b846f45adedf84ee6fce083f73911f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] b55f816be6b76c58ac658f7046aeba65266f13974cf8b8589ab13ea8049ebf56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b55f816be6b76c58ac658f7046aeba65266f13974cf8b8589ab13ea8049ebf56"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cueball-c2da992c52e1c575
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/basic_test-9068649b5771ed03
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] Apr 19 04:42:39.082 DEBG starting decoherence task, interval 300 seconds, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.082 DEBG starting connection health task, interval 30 seconds, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.086 INFO Adding backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.266 DEBG rebalance var true, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.273 DEBG Running rebalancer on 0 connections..., build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 INFO Backend count: 1, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 INFO Backend key: VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG New connection count: 3 Old Connection Count: 0, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG Connection rebalance completed: Ok(
[INFO] [stdout]     Some(
[INFO] [stdout]         {
[INFO] [stdout]             BackendKey(
[INFO] [stdout]                 "VdkFzX0HE5+B0VYi+Zx1FIGo8CY=",
[INFO] [stdout]             ): ConnectionCount(
[INFO] [stdout]                 3,
[INFO] [stdout]             ),
[INFO] [stdout]         },
[INFO] [stdout]     ),
[INFO] [stdout] ), build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG Adding new connections, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG Unwanted connection count: 0, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG Net total connections: 0, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG Trying to add more connections: 0, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG attempting to connect with retry..., build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 INFO Added connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG Unwanted connection count: 0, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG Net total connections: 1, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG Trying to add more connections: 1, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG attempting to connect with retry..., build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 INFO Added connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG Unwanted connection count: 0, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG Net total connections: 2, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG Trying to add more connections: 2, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 DEBG attempting to connect with retry..., build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.278 INFO Added connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] test connection_pool_accounting ... ok
[INFO] [stdout] Apr 19 04:42:39.779 INFO connections queue size: 3, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.779 INFO closing connection VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.779 INFO closing connection VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.779 INFO Closing unwanted connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.783 INFO closing connection VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] test connection_pool_stop ... ok
[INFO] [stdout] Apr 19 04:42:39.786 INFO Closing unwanted connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:42:39.798 INFO Closing unwanted connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] test connection_pool_claim ... ok
[INFO] [stdout] test connection_pool_no_backends ... ok
[INFO] [stdout] test connection_pool_decoherence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cueball
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 136) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 40) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b55f816be6b76c58ac658f7046aeba65266f13974cf8b8589ab13ea8049ebf56"`
[INFO] running `"docker" "rm" "-f" "b55f816be6b76c58ac658f7046aeba65266f13974cf8b8589ab13ea8049ebf56"`
[INFO] [stdout] b55f816be6b76c58ac658f7046aeba65266f13974cf8b8589ab13ea8049ebf56