[INFO] fetching crate consistent_hash_ring 0.8.0...
[INFO] testing consistent_hash_ring-0.8.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate consistent_hash_ring 0.8.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate consistent_hash_ring 0.8.0 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 consistent_hash_ring 0.8.0
[INFO] finished tweaking crates.io crate consistent_hash_ring 0.8.0
[INFO] tweaked toml for crates.io crate consistent_hash_ring 0.8.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2c85ed61cb67011c87647a6f842913dfa9a61fc2d5ddb3c7c216011a20f6ac31
[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" "2c85ed61cb67011c87647a6f842913dfa9a61fc2d5ddb3c7c216011a20f6ac31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c85ed61cb67011c87647a6f842913dfa9a61fc2d5ddb3c7c216011a20f6ac31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c85ed61cb67011c87647a6f842913dfa9a61fc2d5ddb3c7c216011a20f6ac31", kill_on_drop: false }`
[INFO] [stdout] 2c85ed61cb67011c87647a6f842913dfa9a61fc2d5ddb3c7c216011a20f6ac31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 6377e13e1e0be1fd2a0e92ea6c3d3bf83583849979344fd75b5856e09be89ab2
[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" "6377e13e1e0be1fd2a0e92ea6c3d3bf83583849979344fd75b5856e09be89ab2", kill_on_drop: false }`
[INFO] [stderr]    Compiling consistent_hash_ring v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "6377e13e1e0be1fd2a0e92ea6c3d3bf83583849979344fd75b5856e09be89ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6377e13e1e0be1fd2a0e92ea6c3d3bf83583849979344fd75b5856e09be89ab2", kill_on_drop: false }`
[INFO] [stdout] 6377e13e1e0be1fd2a0e92ea6c3d3bf83583849979344fd75b5856e09be89ab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 3a158b8cc3e969d2d7549200fcc10c64320e013f583d7bf29b9ee143fd3088db
[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" "3a158b8cc3e969d2d7549200fcc10c64320e013f583d7bf29b9ee143fd3088db", kill_on_drop: false }`
[INFO] [stderr]    Compiling consistent_hash_ring v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "3a158b8cc3e969d2d7549200fcc10c64320e013f583d7bf29b9ee143fd3088db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a158b8cc3e969d2d7549200fcc10c64320e013f583d7bf29b9ee143fd3088db", kill_on_drop: false }`
[INFO] [stdout] 3a158b8cc3e969d2d7549200fcc10c64320e013f583d7bf29b9ee143fd3088db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ae0103c96921dabd23f56408b9f737eee1f2415469b35cebba9587f0d24723b2
[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" "ae0103c96921dabd23f56408b9f737eee1f2415469b35cebba9587f0d24723b2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/consistent_hash_ring-0c6e70ed8a1cff2a
[INFO] [stdout] running 5 tests
[INFO] [stdout] test collections::tests::vec_map_find_gte ... ok
[INFO] [stdout] test collections::tests::vec_map_remove ... ok
[INFO] [stdout] test collections::tests::vec_set_insert ... ok
[INFO] [stdout] test collections::tests::vec_map_lookup ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-e2f043b462459334
[INFO] [stdout] test collections::tests::vec_map_insert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test try_get_does_not_panic ... ok
[INFO] [stdout] test remove_borrowed_node ... ok
[INFO] [stdout] test is_consistent ... ok
[INFO] [stdout] test inserting_nodes_does_not_redistribute_all_replicas ... ok
[INFO] [stdout] test replicas_are_bounded ... ok
[INFO] [stdout] test remove_insert_is_idempotent ... ok
[INFO] [stderr]    Doc-tests consistent_hash_ring
[INFO] [stdout] test removing_nodes_does_not_redistribute_all_replicas ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - Ring<T, S>::replicas (line 448) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T, S>::weight (line 275) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T, S>::vnodes (line 259) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T, S>::is_empty (line 243) ... ok
[INFO] [stdout] test src/lib.rs - migrated_ranges (line 598) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T, S>::insert (line 303) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T, S>::try_get (line 410) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T, S>::get (line 431) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T, S>::len (line 229) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T, S>::insert_weight (line 326) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T, S>::remove (line 374) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae0103c96921dabd23f56408b9f737eee1f2415469b35cebba9587f0d24723b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae0103c96921dabd23f56408b9f737eee1f2415469b35cebba9587f0d24723b2", kill_on_drop: false }`
[INFO] [stdout] ae0103c96921dabd23f56408b9f737eee1f2415469b35cebba9587f0d24723b2