[INFO] fetching crate cueball 0.3.5...
[INFO] testing cueball-0.3.5 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate cueball 0.3.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cueball 0.3.5 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-0/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb4a5d3f4b759bbd321c84223fbf51a5459b710e3cec08ac19c3cfae59e31d79
[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" "fb4a5d3f4b759bbd321c84223fbf51a5459b710e3cec08ac19c3cfae59e31d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb4a5d3f4b759bbd321c84223fbf51a5459b710e3cec08ac19c3cfae59e31d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4a5d3f4b759bbd321c84223fbf51a5459b710e3cec08ac19c3cfae59e31d79", kill_on_drop: false }`
[INFO] [stdout] fb4a5d3f4b759bbd321c84223fbf51a5459b710e3cec08ac19c3cfae59e31d79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93d0141f90286dc6d8fbe91e203c55ab45719f93be4991fd8f9dfd32cd109018
[INFO] running `Command { std: "docker" "start" "-a" "93d0141f90286dc6d8fbe91e203c55ab45719f93be4991fd8f9dfd32cd109018", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling instant v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling backoff v0.1.6
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling timer v0.2.0
[INFO] [stderr]    Compiling cueball v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.03s
[INFO] running `Command { std: "docker" "inspect" "93d0141f90286dc6d8fbe91e203c55ab45719f93be4991fd8f9dfd32cd109018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d0141f90286dc6d8fbe91e203c55ab45719f93be4991fd8f9dfd32cd109018", kill_on_drop: false }`
[INFO] [stdout] 93d0141f90286dc6d8fbe91e203c55ab45719f93be4991fd8f9dfd32cd109018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19cb3478b2e80ae355a2d8c79d7c78fd8d28ceea1a247d869ef92c5eba30e9ed
[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" "19cb3478b2e80ae355a2d8c79d7c78fd8d28ceea1a247d869ef92c5eba30e9ed", kill_on_drop: false }`
[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 6.54s
[INFO] running `Command { std: "docker" "inspect" "19cb3478b2e80ae355a2d8c79d7c78fd8d28ceea1a247d869ef92c5eba30e9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19cb3478b2e80ae355a2d8c79d7c78fd8d28ceea1a247d869ef92c5eba30e9ed", kill_on_drop: false }`
[INFO] [stdout] 19cb3478b2e80ae355a2d8c79d7c78fd8d28ceea1a247d869ef92c5eba30e9ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e92f8406793b6f4530760138d18255847dccce798f171915c630e498be5bf4e0
[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" "e92f8406793b6f4530760138d18255847dccce798f171915c630e498be5bf4e0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cueball-6338b141ccffdfcd)
[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-ea64b4effbf5c79e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] Jun 05 07:47:43.918 DEBG starting decoherence task, interval 300 seconds, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:43.918 DEBG starting connection health task, interval 30 seconds, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:43.933 INFO Adding backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 DEBG rebalance var true, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 DEBG Running rebalancer on 0 connections..., build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 INFO Backend count: 1, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 INFO Backend key: VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 DEBG New connection count: 3 Old Connection Count: 0, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 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] Jun 05 07:47:44.044 DEBG Adding new connections, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 DEBG Unwanted connection count: 0, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 DEBG Net total connections: 0, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 DEBG Trying to add more connections: 0, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 DEBG attempting to connect with retry..., build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 INFO Added connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 DEBG Unwanted connection count: 0, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 DEBG Net total connections: 1, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 DEBG Trying to add more connections: 1, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 DEBG attempting to connect with retry..., build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.044 INFO Added connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.045 DEBG Unwanted connection count: 0, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.045 DEBG Net total connections: 2, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.045 DEBG Trying to add more connections: 2, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.045 DEBG attempting to connect with retry..., build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.045 INFO Added connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.545 INFO connections queue size: 3, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.545 INFO closing connection VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.545 INFO closing connection VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.545 INFO Closing unwanted connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.546 INFO Closing unwanted connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] Jun 05 07:47:44.549 INFO closing connection VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] test connection_pool_stop ... ok
[INFO] [stdout] Jun 05 07:47:44.549 INFO Closing unwanted connection for backend VdkFzX0HE5+B0VYi+Zx1FIGo8CY=, build-id: 0.1.0
[INFO] [stdout] test connection_pool_accounting ... ok
[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; finished in 20.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cueball
[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" "e92f8406793b6f4530760138d18255847dccce798f171915c630e498be5bf4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92f8406793b6f4530760138d18255847dccce798f171915c630e498be5bf4e0", kill_on_drop: false }`
[INFO] [stdout] e92f8406793b6f4530760138d18255847dccce798f171915c630e498be5bf4e0