[INFO] fetching crate rsbalancer 0.3.0...
[INFO] testing rsbalancer-0.3.0 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940-2
[INFO] extracting crate rsbalancer 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rsbalancer 0.3.0 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsbalancer 0.3.0
[INFO] finished tweaking crates.io crate rsbalancer 0.3.0
[INFO] tweaked toml for crates.io crate rsbalancer 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da585d36285c97602f9c59934978fe86ae5dd2e39926240edfb17fd0cff38fe5
[INFO] running `Command { std: "docker" "start" "-a" "da585d36285c97602f9c59934978fe86ae5dd2e39926240edfb17fd0cff38fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da585d36285c97602f9c59934978fe86ae5dd2e39926240edfb17fd0cff38fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da585d36285c97602f9c59934978fe86ae5dd2e39926240edfb17fd0cff38fe5", kill_on_drop: false }`
[INFO] [stdout] da585d36285c97602f9c59934978fe86ae5dd2e39926240edfb17fd0cff38fe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3635ca6874098e3a8e83325ed4bb2c4577237d3e048bd381309145fbc9c7112c
[INFO] running `Command { std: "docker" "start" "-a" "3635ca6874098e3a8e83325ed4bb2c4577237d3e048bd381309145fbc9c7112c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rsbalancer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "3635ca6874098e3a8e83325ed4bb2c4577237d3e048bd381309145fbc9c7112c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3635ca6874098e3a8e83325ed4bb2c4577237d3e048bd381309145fbc9c7112c", kill_on_drop: false }`
[INFO] [stdout] 3635ca6874098e3a8e83325ed4bb2c4577237d3e048bd381309145fbc9c7112c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7981594e90820d2b74bbf2b9af9b672d65e8e5b7434fa6831a707f4348c30ab4
[INFO] running `Command { std: "docker" "start" "-a" "7981594e90820d2b74bbf2b9af9b672d65e8e5b7434fa6831a707f4348c30ab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsbalancer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "7981594e90820d2b74bbf2b9af9b672d65e8e5b7434fa6831a707f4348c30ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7981594e90820d2b74bbf2b9af9b672d65e8e5b7434fa6831a707f4348c30ab4", kill_on_drop: false }`
[INFO] [stdout] 7981594e90820d2b74bbf2b9af9b672d65e8e5b7434fa6831a707f4348c30ab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3959e86a2abbb92bf308d447b625681282a5adc47f8f6cc7eb194dba77b0ac4f
[INFO] running `Command { std: "docker" "start" "-a" "3959e86a2abbb92bf308d447b625681282a5adc47f8f6cc7eb194dba77b0ac4f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rsbalancer-fe8abdb1c98ef667)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test random::random_test::down ... ok
[INFO] [stdout] test consistent_hashing::consistent_hashing_test::remove ... ok
[INFO] [stdout] test consistent_hashing::consistent_hashing_test::get ... ok
[INFO] [stdout] test consistent_hashing::consistent_hashing_test::zero_weight_and_replicas ... ok
[INFO] [stdout] test random::random_test::simple ... ok
[INFO] [stdout] test round_robin::round_robin_test::add_node ... ok
[INFO] [stdout] test round_robin::round_robin_test::down ... ok
[INFO] [stdout] test round_robin::round_robin_test::remove_node ... ok
[INFO] [stdout] test consistent_hashing::consistent_hashing_test::simple ... ok
[INFO] [stdout] test round_robin::round_robin_test::simple ... ok
[INFO] [stdout] test weighted_round_robin::weighted_round_robin_test::down ... ok
[INFO] [stdout] test weighted_round_robin::weighted_round_robin_test::simple ... ok
[INFO] [stdout] test weighted_round_robin::weighted_round_robin_test::add_node ... ok
[INFO] [stdout] test weighted_round_robin::weighted_round_robin_test::remove ... ok
[INFO] [stdout] test nodes::nodes_test::simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rsbalancer
[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" "3959e86a2abbb92bf308d447b625681282a5adc47f8f6cc7eb194dba77b0ac4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3959e86a2abbb92bf308d447b625681282a5adc47f8f6cc7eb194dba77b0ac4f", kill_on_drop: false }`
[INFO] [stdout] 3959e86a2abbb92bf308d447b625681282a5adc47f8f6cc7eb194dba77b0ac4f