[INFO] fetching crate cueball 0.3.4...
[INFO] testing cueball-0.3.4 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate cueball 0.3.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cueball 0.3.4 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] fc54b819affeee5796fded7639d5e40fe5a2c508965b7a3edc8dba733af19b43
[INFO] running `"docker" "start" "-a" "fc54b819affeee5796fded7639d5e40fe5a2c508965b7a3edc8dba733af19b43"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling arc-swap v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling instant v0.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling backoff v0.1.6
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling timer v0.2.0
[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 45.44s
[INFO] running `"docker" "inspect" "fc54b819affeee5796fded7639d5e40fe5a2c508965b7a3edc8dba733af19b43"`
[INFO] running `"docker" "rm" "-f" "fc54b819affeee5796fded7639d5e40fe5a2c508965b7a3edc8dba733af19b43"`
[INFO] [stdout] fc54b819affeee5796fded7639d5e40fe5a2c508965b7a3edc8dba733af19b43
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] b7d4fd554b24fe9429fdc30518cf2af45285ca8e0614d96685a1ac2a0301ca07
[INFO] running `"docker" "start" "-a" "b7d4fd554b24fe9429fdc30518cf2af45285ca8e0614d96685a1ac2a0301ca07"`
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling slog-term v2.5.0
[INFO] [stderr]    Compiling cueball v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `"docker" "inspect" "b7d4fd554b24fe9429fdc30518cf2af45285ca8e0614d96685a1ac2a0301ca07"`
[INFO] running `"docker" "rm" "-f" "b7d4fd554b24fe9429fdc30518cf2af45285ca8e0614d96685a1ac2a0301ca07"`
[INFO] [stdout] b7d4fd554b24fe9429fdc30518cf2af45285ca8e0614d96685a1ac2a0301ca07
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] eededa151ad65233bd10d2b366ce5c99dc158cc4726400d023b45275f314598f
[INFO] running `"docker" "start" "-a" "eededa151ad65233bd10d2b366ce5c99dc158cc4726400d023b45275f314598f"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[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 04:43:21.231 DEBG starting decoherence task, interval 300 seconds, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.326 DEBG starting connection health task, interval 30 seconds, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.346 INFO Adding backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.480 DEBG rebalance var true, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.486 DEBG Running rebalancer on 0 connections..., build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.487 INFO Backend count: 1, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.487 INFO Backend key: VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.487 DEBG New connection count: 3 Old Connection Count: 0, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.487 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 04:43:21.488 DEBG Adding new connections, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.488 DEBG Unwanted connection count: 0, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.488 DEBG Net total connections: 0, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.488 DEBG Trying to add more connections: 0, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.488 DEBG attempting to connect with retry..., build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.489 INFO Added connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.489 DEBG Unwanted connection count: 0, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.489 DEBG Net total connections: 1, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.489 DEBG Trying to add more connections: 1, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.489 DEBG attempting to connect with retry..., build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.490 INFO Added connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.490 DEBG Unwanted connection count: 0, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.490 DEBG Net total connections: 2, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.490 DEBG Trying to add more connections: 2, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.490 DEBG attempting to connect with retry..., build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.491 INFO Added connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] test connection_pool_accounting ... ok
[INFO] [stdout] Apr 19 04:43:21.994 INFO connections queue size: 3, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.994 INFO closing connection VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.995 INFO closing connection VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:21.995 INFO closing connection VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] test connection_pool_stop ... ok
[INFO] [stdout] Apr 19 04:43:22.002 INFO Closing unwanted connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:22.002 INFO Closing unwanted connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Apr 19 04:43:22.002 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" "eededa151ad65233bd10d2b366ce5c99dc158cc4726400d023b45275f314598f"`
[INFO] running `"docker" "rm" "-f" "eededa151ad65233bd10d2b366ce5c99dc158cc4726400d023b45275f314598f"`
[INFO] [stdout] eededa151ad65233bd10d2b366ce5c99dc158cc4726400d023b45275f314598f