[INFO] fetching crate wd_balancing 0.0.4...
[INFO] testing wd_balancing-0.0.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate wd_balancing 0.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wd_balancing 0.0.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", 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] 7b45b5e79ee6103d4e014e02a1eaf865179e1e436b3d6f858220b65505ddba34
[INFO] running `Command { std: "docker" "start" "-a" "7b45b5e79ee6103d4e014e02a1eaf865179e1e436b3d6f858220b65505ddba34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b45b5e79ee6103d4e014e02a1eaf865179e1e436b3d6f858220b65505ddba34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b45b5e79ee6103d4e014e02a1eaf865179e1e436b3d6f858220b65505ddba34", kill_on_drop: false }`
[INFO] [stdout] 7b45b5e79ee6103d4e014e02a1eaf865179e1e436b3d6f858220b65505ddba34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aa59900079e2b9ad583383069e60a985578a2b9c44fdc6c9a5738c8fc3bf2de
[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" "5aa59900079e2b9ad583383069e60a985578a2b9c44fdc6c9a5738c8fc3bf2de", 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 13.45s
[INFO] running `Command { std: "docker" "inspect" "5aa59900079e2b9ad583383069e60a985578a2b9c44fdc6c9a5738c8fc3bf2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa59900079e2b9ad583383069e60a985578a2b9c44fdc6c9a5738c8fc3bf2de", kill_on_drop: false }`
[INFO] [stdout] 5aa59900079e2b9ad583383069e60a985578a2b9c44fdc6c9a5738c8fc3bf2de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.59.0" "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] d9b94c206a817b7c9c4758dd463a9ab4542ac9e3c6c567b4f1da7121f67b4a9f
[INFO] running `Command { std: "docker" "start" "-a" "d9b94c206a817b7c9c4758dd463a9ab4542ac9e3c6c567b4f1da7121f67b4a9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling wd_balancing v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "d9b94c206a817b7c9c4758dd463a9ab4542ac9e3c6c567b4f1da7121f67b4a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b94c206a817b7c9c4758dd463a9ab4542ac9e3c6c567b4f1da7121f67b4a9f", kill_on_drop: false }`
[INFO] [stdout] d9b94c206a817b7c9c4758dd463a9ab4542ac9e3c6c567b4f1da7121f67b4a9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 122b0b53588f760a70de5501669d0dd205b99fa7e6ffacdba165e7ca576bf7fc
[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" "122b0b53588f760a70de5501669d0dd205b99fa7e6ffacdba165e7ca576bf7fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wd_balancing-6ceb62b6a0f48c72)
[INFO] [stdout] 
[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] [stderr]    Doc-tests wd_balancing
[INFO] [stdout] test test::test_random ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 27.06s
[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" "122b0b53588f760a70de5501669d0dd205b99fa7e6ffacdba165e7ca576bf7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "122b0b53588f760a70de5501669d0dd205b99fa7e6ffacdba165e7ca576bf7fc", kill_on_drop: false }`
[INFO] [stdout] 122b0b53588f760a70de5501669d0dd205b99fa7e6ffacdba165e7ca576bf7fc