[INFO] fetching crate wd_balancing 0.0.4...
[INFO] testing wd_balancing-0.0.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate wd_balancing 0.0.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wd_balancing 0.0.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wd_balancing 0.0.4
[INFO] finished tweaking crates.io crate wd_balancing 0.0.4
[INFO] tweaked toml for crates.io crate wd_balancing 0.0.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f09f0211f1b36786d87c9035fb6a14e4e7deb9cb13b85adb87b7b0958eeff426
[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" "f09f0211f1b36786d87c9035fb6a14e4e7deb9cb13b85adb87b7b0958eeff426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f09f0211f1b36786d87c9035fb6a14e4e7deb9cb13b85adb87b7b0958eeff426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f09f0211f1b36786d87c9035fb6a14e4e7deb9cb13b85adb87b7b0958eeff426", kill_on_drop: false }`
[INFO] [stdout] f09f0211f1b36786d87c9035fb6a14e4e7deb9cb13b85adb87b7b0958eeff426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58ade2020ae5131041c4b0f94906fc02cdceafb8e133b15316d0a56a8b8f7f10
[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" "58ade2020ae5131041c4b0f94906fc02cdceafb8e133b15316d0a56a8b8f7f10", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling wd_log v0.1.5
[INFO] [stderr]    Compiling wd_balancing v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `Command { std: "docker" "inspect" "58ade2020ae5131041c4b0f94906fc02cdceafb8e133b15316d0a56a8b8f7f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ade2020ae5131041c4b0f94906fc02cdceafb8e133b15316d0a56a8b8f7f10", kill_on_drop: false }`
[INFO] [stdout] 58ade2020ae5131041c4b0f94906fc02cdceafb8e133b15316d0a56a8b8f7f10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--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] b109837fcd8c893cdf1730d6dfa15cac6c2ba0215851440d6008c5e2c37ebc40
[INFO] running `Command { std: "docker" "start" "-a" "b109837fcd8c893cdf1730d6dfa15cac6c2ba0215851440d6008c5e2c37ebc40", kill_on_drop: false }`
[INFO] [stderr]    Compiling wd_balancing v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "b109837fcd8c893cdf1730d6dfa15cac6c2ba0215851440d6008c5e2c37ebc40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b109837fcd8c893cdf1730d6dfa15cac6c2ba0215851440d6008c5e2c37ebc40", kill_on_drop: false }`
[INFO] [stdout] b109837fcd8c893cdf1730d6dfa15cac6c2ba0215851440d6008c5e2c37ebc40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 218b214ec39815093555f432f885a794a928b1406e07ef46bed64a9576f88a28
[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" "218b214ec39815093555f432f885a794a928b1406e07ef46bed64a9576f88a28", 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/wd_balancing-d3201ac7deafbe94)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_main ... ok
[INFO] [stdout] test test::test_minconn ... ok
[INFO] [stdout] test test::test_polling ... ok
[INFO] [stdout] test test::test_random ... ok
[INFO] [stderr]    Doc-tests wd_balancing
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 27.09s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "218b214ec39815093555f432f885a794a928b1406e07ef46bed64a9576f88a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218b214ec39815093555f432f885a794a928b1406e07ef46bed64a9576f88a28", kill_on_drop: false }`
[INFO] [stdout] 218b214ec39815093555f432f885a794a928b1406e07ef46bed64a9576f88a28