[INFO] fetching crate hash_ring 0.2.0...
[INFO] testing hash_ring-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate hash_ring 0.2.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate hash_ring 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-31/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7da2fb83f3b38d4749903e25732c50622382f88c72d4de90a284828d58360ebf
[INFO] running `Command { std: "docker" "start" "-a" "7da2fb83f3b38d4749903e25732c50622382f88c72d4de90a284828d58360ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7da2fb83f3b38d4749903e25732c50622382f88c72d4de90a284828d58360ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da2fb83f3b38d4749903e25732c50622382f88c72d4de90a284828d58360ebf", kill_on_drop: false }`
[INFO] [stdout] 7da2fb83f3b38d4749903e25732c50622382f88c72d4de90a284828d58360ebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9f01edabf32c7c128339eb84b42fedd7e12bd4fc5d9bc27d7a1695339355380
[INFO] running `Command { std: "docker" "start" "-a" "f9f01edabf32c7c128339eb84b42fedd7e12bd4fc5d9bc27d7a1695339355380", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[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 6.10s
[INFO] running `Command { std: "docker" "inspect" "f9f01edabf32c7c128339eb84b42fedd7e12bd4fc5d9bc27d7a1695339355380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f01edabf32c7c128339eb84b42fedd7e12bd4fc5d9bc27d7a1695339355380", kill_on_drop: false }`
[INFO] [stdout] f9f01edabf32c7c128339eb84b42fedd7e12bd4fc5d9bc27d7a1695339355380
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89c9312e7b62c3a85d31579beb84c6b366f5712fb7c4df020d2e0d1a175f7638
[INFO] running `Command { std: "docker" "start" "-a" "89c9312e7b62c3a85d31579beb84c6b366f5712fb7c4df020d2e0d1a175f7638", kill_on_drop: false }`
[INFO] [stderr]    Compiling hash_ring v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "89c9312e7b62c3a85d31579beb84c6b366f5712fb7c4df020d2e0d1a175f7638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c9312e7b62c3a85d31579beb84c6b366f5712fb7c4df020d2e0d1a175f7638", kill_on_drop: false }`
[INFO] [stdout] 89c9312e7b62c3a85d31579beb84c6b366f5712fb7c4df020d2e0d1a175f7638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d23bb57b3a04f35a20f84584884b6c4af524ade32dd7972d0b3135db77739bf
[INFO] running `Command { std: "docker" "start" "-a" "0d23bb57b3a04f35a20f84584884b6c4af524ade32dd7972d0b3135db77739bf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hash_ring-3bd9f7596f98dfc1)
[INFO] [stderr]    Doc-tests hash_ring
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test hash_ring::test::test_custom_hasher ... ok
[INFO] [stdout] test hash_ring::test::test_custom_nodes ... ok
[INFO] [stdout] test hash_ring::test::test_remove_actual_node ... ok
[INFO] [stdout] test hash_ring::test::test_empty_ring ... ok
[INFO] [stdout] test hash_ring::test::test_default_nodes ... ok
[INFO] [stdout] test hash_ring::test::test_remove_non_existent_node ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "0d23bb57b3a04f35a20f84584884b6c4af524ade32dd7972d0b3135db77739bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d23bb57b3a04f35a20f84584884b6c4af524ade32dd7972d0b3135db77739bf", kill_on_drop: false }`
[INFO] [stdout] 0d23bb57b3a04f35a20f84584884b6c4af524ade32dd7972d0b3135db77739bf