[INFO] fetching crate mackerel_plugin 0.2.5...
[INFO] testing mackerel_plugin-0.2.5 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mackerel_plugin 0.2.5 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate mackerel_plugin 0.2.5 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffd9d276f80758c98462e0a25e2b1bca421efd572af8a718395775915a2f440b
[INFO] running `Command { std: "docker" "start" "-a" "ffd9d276f80758c98462e0a25e2b1bca421efd572af8a718395775915a2f440b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffd9d276f80758c98462e0a25e2b1bca421efd572af8a718395775915a2f440b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd9d276f80758c98462e0a25e2b1bca421efd572af8a718395775915a2f440b", kill_on_drop: false }`
[INFO] [stdout] ffd9d276f80758c98462e0a25e2b1bca421efd572af8a718395775915a2f440b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c31a32312b90d64d9f60c9848aba9c0c1b7e9c945e2057d32934ed458d47708
[INFO] running `Command { std: "docker" "start" "-a" "2c31a32312b90d64d9f60c9848aba9c0c1b7e9c945e2057d32934ed458d47708", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling mackerel_plugin v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.97s
[INFO] running `Command { std: "docker" "inspect" "2c31a32312b90d64d9f60c9848aba9c0c1b7e9c945e2057d32934ed458d47708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c31a32312b90d64d9f60c9848aba9c0c1b7e9c945e2057d32934ed458d47708", kill_on_drop: false }`
[INFO] [stdout] 2c31a32312b90d64d9f60c9848aba9c0c1b7e9c945e2057d32934ed458d47708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd23db680b65e9198b831858fc3213217ef683072291a400a4b08c0be281c149
[INFO] running `Command { std: "docker" "start" "-a" "bd23db680b65e9198b831858fc3213217ef683072291a400a4b08c0be281c149", 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] [stderr]    Compiling mackerel_plugin v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mackerel_plugin-88c3e692504f1002)
[INFO] [stderr]   Executable tests/lib.rs (/opt/rustwide/target/debug/deps/lib-0bb2db942fe795b8)
[INFO] running `Command { std: "docker" "inspect" "bd23db680b65e9198b831858fc3213217ef683072291a400a4b08c0be281c149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd23db680b65e9198b831858fc3213217ef683072291a400a4b08c0be281c149", kill_on_drop: false }`
[INFO] [stdout] bd23db680b65e9198b831858fc3213217ef683072291a400a4b08c0be281c149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ddae4e3c8acc1249daf34a63415a3eafcc08eb94a56c3c958740a5ae9063436
[INFO] running `Command { std: "docker" "start" "-a" "6ddae4e3c8acc1249daf34a63415a3eafcc08eb94a56c3c958740a5ae9063436", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mackerel_plugin-88c3e692504f1002)
[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] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-0bb2db942fe795b8)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test graph_has_diff ... ok
[INFO] [stdout] test plugin_output_values ... ok
[INFO] [stdout] test empty_graph_name_plugin_output_values ... ok
[INFO] [stdout] test serialize_graph ... ok
[INFO] [stdout] test prefix_plugin_output_values ... ok
[INFO] [stdout] test wildcard_plugin_output_values ... ok
[INFO] [stdout] test prefix_plugin_output_definitions ... ok
[INFO] [stdout] test plugin_output_definitions ... ok
[INFO] [stdout] test empty_graph_name_plugin_output_definitions ... ok
[INFO] [stdout] test wildcard_plugin_output_definitions ... ok
[INFO] [stdout] test diff_metric_plugin_output_values ... ok
[INFO] [stderr]    Doc-tests mackerel_plugin
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - graph (line 200) ... ok
[INFO] [stdout] test src/lib.rs - metric (line 116) ... ok
[INFO] [stdout] test src/lib.rs - metric (line 102) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ddae4e3c8acc1249daf34a63415a3eafcc08eb94a56c3c958740a5ae9063436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ddae4e3c8acc1249daf34a63415a3eafcc08eb94a56c3c958740a5ae9063436", kill_on_drop: false }`
[INFO] [stdout] 6ddae4e3c8acc1249daf34a63415a3eafcc08eb94a56c3c958740a5ae9063436