[INFO] fetching crate hash_ring 0.2.0...
[INFO] testing hash_ring-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hash_ring 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate hash_ring 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hash_ring 0.2.0
[INFO] finished tweaking crates.io crate hash_ring 0.2.0
[INFO] tweaked toml for crates.io crate hash_ring 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate hash_ring 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b07004a0c474d9365b7739fac36463c5ddca1b86928f7a7c6feb3a4513c7a90d
[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" "b07004a0c474d9365b7739fac36463c5ddca1b86928f7a7c6feb3a4513c7a90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b07004a0c474d9365b7739fac36463c5ddca1b86928f7a7c6feb3a4513c7a90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07004a0c474d9365b7739fac36463c5ddca1b86928f7a7c6feb3a4513c7a90d", kill_on_drop: false }`
[INFO] [stdout] b07004a0c474d9365b7739fac36463c5ddca1b86928f7a7c6feb3a4513c7a90d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be18fe4ddc9a7d8d15c72519cf86084b80558c029869840ed12c04486e9640af
[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" "be18fe4ddc9a7d8d15c72519cf86084b80558c029869840ed12c04486e9640af", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[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 twox-hash v1.6.0
[INFO] [stderr]    Compiling hash_ring v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "be18fe4ddc9a7d8d15c72519cf86084b80558c029869840ed12c04486e9640af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be18fe4ddc9a7d8d15c72519cf86084b80558c029869840ed12c04486e9640af", kill_on_drop: false }`
[INFO] [stdout] be18fe4ddc9a7d8d15c72519cf86084b80558c029869840ed12c04486e9640af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3ff5ca4904708a9f8fefbf0c3297848008afa7746f554f5657ffdc067455b66
[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" "e3ff5ca4904708a9f8fefbf0c3297848008afa7746f554f5657ffdc067455b66", kill_on_drop: false }`
[INFO] [stderr]    Compiling hash_ring v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "e3ff5ca4904708a9f8fefbf0c3297848008afa7746f554f5657ffdc067455b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ff5ca4904708a9f8fefbf0c3297848008afa7746f554f5657ffdc067455b66", kill_on_drop: false }`
[INFO] [stdout] e3ff5ca4904708a9f8fefbf0c3297848008afa7746f554f5657ffdc067455b66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d5990cd84ea68a8f31e4fe5999381dd915b0af73b2bdaddc0c161e3e934d6ec2
[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" "d5990cd84ea68a8f31e4fe5999381dd915b0af73b2bdaddc0c161e3e934d6ec2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hash_ring-8e620a60f592d193
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test hash_ring::test::test_remove_actual_node ... ok
[INFO] [stdout] test hash_ring::test::test_custom_hasher ... ok
[INFO] [stdout] test hash_ring::test::test_empty_ring ... ok
[INFO] [stdout] test hash_ring::test::test_custom_nodes ... ok
[INFO] [stdout] test hash_ring::test::test_remove_non_existent_node ... ok
[INFO] [stdout] test hash_ring::test::test_default_nodes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hash_ring
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5990cd84ea68a8f31e4fe5999381dd915b0af73b2bdaddc0c161e3e934d6ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5990cd84ea68a8f31e4fe5999381dd915b0af73b2bdaddc0c161e3e934d6ec2", kill_on_drop: false }`
[INFO] [stdout] d5990cd84ea68a8f31e4fe5999381dd915b0af73b2bdaddc0c161e3e934d6ec2