[INFO] fetching crate cueball 0.3.5...
[INFO] testing cueball-0.3.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cueball 0.3.5 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate cueball 0.3.5 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cueball 0.3.5
[INFO] finished tweaking crates.io crate cueball 0.3.5
[INFO] tweaked toml for crates.io crate cueball 0.3.5 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] crate crates.io crate cueball 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-scope v4.3.0
[INFO] [stderr]   Downloaded slog-term v2.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5e07c97d192e764ed9fc1075a579e9c7ce18419f2595a6865dd6d92224cf3ab
[INFO] running `Command { std: "docker" "start" "-a" "f5e07c97d192e764ed9fc1075a579e9c7ce18419f2595a6865dd6d92224cf3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5e07c97d192e764ed9fc1075a579e9c7ce18419f2595a6865dd6d92224cf3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e07c97d192e764ed9fc1075a579e9c7ce18419f2595a6865dd6d92224cf3ab", kill_on_drop: false }`
[INFO] [stdout] f5e07c97d192e764ed9fc1075a579e9c7ce18419f2595a6865dd6d92224cf3ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09fe1cf172b0635955ecf1dd54617136cc76d6b3e531b2ac195ff0682d121c79
[INFO] running `Command { std: "docker" "start" "-a" "09fe1cf172b0635955ecf1dd54617136cc76d6b3e531b2ac195ff0682d121c79", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[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 proc-macro2 v0.4.30
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling instant v0.1.3
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[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 num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[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 log v0.3.9
[INFO] [stderr]    Compiling base64 v0.10.1
[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 rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.43
[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 chrono v0.4.11
[INFO] [stderr]    Compiling backoff v0.1.6
[INFO] [stderr]    Compiling timer v0.2.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling cueball v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.95s
[INFO] running `Command { std: "docker" "inspect" "09fe1cf172b0635955ecf1dd54617136cc76d6b3e531b2ac195ff0682d121c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09fe1cf172b0635955ecf1dd54617136cc76d6b3e531b2ac195ff0682d121c79", kill_on_drop: false }`
[INFO] [stdout] 09fe1cf172b0635955ecf1dd54617136cc76d6b3e531b2ac195ff0682d121c79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16e1194d897470ab7f241be5b2a6952872baa3b5b47c2a6b442019be682076df
[INFO] running `Command { std: "docker" "start" "-a" "16e1194d897470ab7f241be5b2a6952872baa3b5b47c2a6b442019be682076df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "16e1194d897470ab7f241be5b2a6952872baa3b5b47c2a6b442019be682076df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e1194d897470ab7f241be5b2a6952872baa3b5b47c2a6b442019be682076df", kill_on_drop: false }`
[INFO] [stdout] 16e1194d897470ab7f241be5b2a6952872baa3b5b47c2a6b442019be682076df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1cf2d1483310352fd0260c4fe89c4245c66601c3617ec0b7bc4c8623b7ff203
[INFO] running `Command { std: "docker" "start" "-a" "b1cf2d1483310352fd0260c4fe89c4245c66601c3617ec0b7bc4c8623b7ff203", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cueball-3823e3dd002d7f1e)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic_test.rs (/opt/rustwide/target/debug/deps/basic_test-0117090140fcf37e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] Sep 10 20:34:34.620 DEBG starting decoherence task, interval 300 seconds, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.621 DEBG starting connection health task, interval 30 seconds, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.622 INFO Adding backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.723 DEBG rebalance var true, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.723 DEBG Running rebalancer on 0 connections..., build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.723 INFO Backend count: 1, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.723 INFO Backend key: VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.723 DEBG New connection count: 3 Old Connection Count: 0, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.723 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] Sep 10 20:34:34.723 DEBG Adding new connections, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.723 DEBG Unwanted connection count: 0, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.723 DEBG Net total connections: 0, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.723 DEBG Trying to add more connections: 0, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.723 DEBG attempting to connect with retry..., build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.723 INFO Added connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.724 DEBG Unwanted connection count: 0, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.724 DEBG Net total connections: 1, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.724 DEBG Trying to add more connections: 1, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.724 DEBG attempting to connect with retry..., build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.724 INFO Added connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.724 DEBG Unwanted connection count: 0, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.724 DEBG Net total connections: 2, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.724 DEBG Trying to add more connections: 2, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.724 DEBG attempting to connect with retry..., build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:34.724 INFO Added connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] test connection_pool_accounting ... ok
[INFO] [stdout] Sep 10 20:34:35.224 INFO connections queue size: 3, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:35.224 INFO closing connection VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:35.225 INFO closing connection VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:35.225 INFO closing connection VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] test connection_pool_stop ... ok
[INFO] [stdout] Sep 10 20:34:35.225 INFO Closing unwanted connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:35.226 INFO Closing unwanted connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Sep 10 20:34:35.226 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] [stderr]    Doc-tests cueball
[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; finished in 20.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 136) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1cf2d1483310352fd0260c4fe89c4245c66601c3617ec0b7bc4c8623b7ff203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1cf2d1483310352fd0260c4fe89c4245c66601c3617ec0b7bc4c8623b7ff203", kill_on_drop: false }`
[INFO] [stdout] b1cf2d1483310352fd0260c4fe89c4245c66601c3617ec0b7bc4c8623b7ff203