[INFO] fetching crate mackerel_plugin 0.2.5...
[INFO] testing mackerel_plugin-0.2.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mackerel_plugin 0.2.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mackerel_plugin 0.2.5 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 mackerel_plugin 0.2.5
[INFO] finished tweaking crates.io crate mackerel_plugin 0.2.5
[INFO] tweaked toml for crates.io crate mackerel_plugin 0.2.5 written to /workspace/builds/worker-1/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] bdefe94adccf36ef8e2c41239691dce74aca1bb59b2b9a38f1ffd986659371d5
[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" "bdefe94adccf36ef8e2c41239691dce74aca1bb59b2b9a38f1ffd986659371d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdefe94adccf36ef8e2c41239691dce74aca1bb59b2b9a38f1ffd986659371d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdefe94adccf36ef8e2c41239691dce74aca1bb59b2b9a38f1ffd986659371d5", kill_on_drop: false }`
[INFO] [stdout] bdefe94adccf36ef8e2c41239691dce74aca1bb59b2b9a38f1ffd986659371d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1998f7365ff2540ae9ac94984a0e6c2f9a285497e391b8463caa0f7ec93a5871
[INFO] running `Command { std: "docker" "start" "-a" "1998f7365ff2540ae9ac94984a0e6c2f9a285497e391b8463caa0f7ec93a5871", kill_on_drop: false }`
[INFO] [stderr]    Compiling mackerel_plugin v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "1998f7365ff2540ae9ac94984a0e6c2f9a285497e391b8463caa0f7ec93a5871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1998f7365ff2540ae9ac94984a0e6c2f9a285497e391b8463caa0f7ec93a5871", kill_on_drop: false }`
[INFO] [stdout] 1998f7365ff2540ae9ac94984a0e6c2f9a285497e391b8463caa0f7ec93a5871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 327623ba48272a6da988cf18a5ea8dfb0b472c5d614191b8b75d4a404934fcb2
[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" "327623ba48272a6da988cf18a5ea8dfb0b472c5d614191b8b75d4a404934fcb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mackerel_plugin v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "327623ba48272a6da988cf18a5ea8dfb0b472c5d614191b8b75d4a404934fcb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327623ba48272a6da988cf18a5ea8dfb0b472c5d614191b8b75d4a404934fcb2", kill_on_drop: false }`
[INFO] [stdout] 327623ba48272a6da988cf18a5ea8dfb0b472c5d614191b8b75d4a404934fcb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a7fed8a37e94097da943cba95f9ecf6094ffc880d85e2a20265b8d7aef4e55d
[INFO] running `Command { std: "docker" "start" "-a" "5a7fed8a37e94097da943cba95f9ecf6094ffc880d85e2a20265b8d7aef4e55d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mackerel_plugin-d2c960f7c5c7846a)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-9dd18ded195de703)
[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] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test prefix_plugin_output_values ... ok
[INFO] [stdout] test serialize_graph ... ok
[INFO] [stdout] test wildcard_plugin_output_definitions ... ok
[INFO] [stdout] test wildcard_plugin_output_values ... ok
[INFO] [stdout] test prefix_plugin_output_definitions ... ok
[INFO] [stdout] test plugin_output_values ... ok
[INFO] [stdout] test plugin_output_definitions ... ok
[INFO] [stdout] test graph_has_diff ... ok
[INFO] [stdout] test empty_graph_name_plugin_output_definitions ... ok
[INFO] [stdout] test empty_graph_name_plugin_output_values ... ok
[INFO] [stderr]    Doc-tests mackerel_plugin
[INFO] [stdout] test diff_metric_plugin_output_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - metric (line 102) ... ok
[INFO] [stdout] test src/lib.rs - graph (line 200) ... ok
[INFO] [stdout] test src/lib.rs - metric (line 116) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a7fed8a37e94097da943cba95f9ecf6094ffc880d85e2a20265b8d7aef4e55d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7fed8a37e94097da943cba95f9ecf6094ffc880d85e2a20265b8d7aef4e55d", kill_on_drop: false }`
[INFO] [stdout] 5a7fed8a37e94097da943cba95f9ecf6094ffc880d85e2a20265b8d7aef4e55d