[INFO] fetching crate hashring 0.2.0...
[INFO] testing hashring-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate hashring 0.2.0 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate hashring 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashring 0.2.0
[INFO] finished tweaking crates.io crate hashring 0.2.0
[INFO] tweaked toml for crates.io crate hashring 0.2.0 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 677207bf51954b16dad04aea8940ebb75bc30454da71c64c2f0d069944c30d96
[INFO] running `Command { std: "docker" "start" "-a" "677207bf51954b16dad04aea8940ebb75bc30454da71c64c2f0d069944c30d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "677207bf51954b16dad04aea8940ebb75bc30454da71c64c2f0d069944c30d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677207bf51954b16dad04aea8940ebb75bc30454da71c64c2f0d069944c30d96", kill_on_drop: false }`
[INFO] [stdout] 677207bf51954b16dad04aea8940ebb75bc30454da71c64c2f0d069944c30d96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b70ba264fbfe45f63f2811a0a918f1d7f6dc2585237543ecc01ce66bce020304
[INFO] running `Command { std: "docker" "start" "-a" "b70ba264fbfe45f63f2811a0a918f1d7f6dc2585237543ecc01ce66bce020304", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling hashring v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "b70ba264fbfe45f63f2811a0a918f1d7f6dc2585237543ecc01ce66bce020304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70ba264fbfe45f63f2811a0a918f1d7f6dc2585237543ecc01ce66bce020304", kill_on_drop: false }`
[INFO] [stdout] b70ba264fbfe45f63f2811a0a918f1d7f6dc2585237543ecc01ce66bce020304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 714f9cc2c7fb7a2d94f8a7e89a4ac5f9e8b777473fc850a765f0a2d38402c01c
[INFO] running `Command { std: "docker" "start" "-a" "714f9cc2c7fb7a2d94f8a7e89a4ac5f9e8b777473fc850a765f0a2d38402c01c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hashring v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "714f9cc2c7fb7a2d94f8a7e89a4ac5f9e8b777473fc850a765f0a2d38402c01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714f9cc2c7fb7a2d94f8a7e89a4ac5f9e8b777473fc850a765f0a2d38402c01c", kill_on_drop: false }`
[INFO] [stdout] 714f9cc2c7fb7a2d94f8a7e89a4ac5f9e8b777473fc850a765f0a2d38402c01c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2da548417e4fdede76ec8565b5d28156e81956a5dd15c52bbffcbcd3c3d3127e
[INFO] running `Command { std: "docker" "start" "-a" "2da548417e4fdede76ec8565b5d28156e81956a5dd15c52bbffcbcd3c3d3127e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hashring-f2258e814af6739b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::add_and_remove_nodes ... ok
[INFO] [stdout] test tests::get_nodes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hashring
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 38) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2da548417e4fdede76ec8565b5d28156e81956a5dd15c52bbffcbcd3c3d3127e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da548417e4fdede76ec8565b5d28156e81956a5dd15c52bbffcbcd3c3d3127e", kill_on_drop: false }`
[INFO] [stdout] 2da548417e4fdede76ec8565b5d28156e81956a5dd15c52bbffcbcd3c3d3127e