[INFO] fetching crate mackerel_plugin 0.2.5...
[INFO] testing mackerel_plugin-0.2.5 against 1.60.0 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 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90ca97b8bf97529a409762566db53b2f083ee84aa95b1ac2a9afb0bf387bd419
[INFO] running `Command { std: "docker" "start" "-a" "90ca97b8bf97529a409762566db53b2f083ee84aa95b1ac2a9afb0bf387bd419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90ca97b8bf97529a409762566db53b2f083ee84aa95b1ac2a9afb0bf387bd419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ca97b8bf97529a409762566db53b2f083ee84aa95b1ac2a9afb0bf387bd419", kill_on_drop: false }`
[INFO] [stdout] 90ca97b8bf97529a409762566db53b2f083ee84aa95b1ac2a9afb0bf387bd419
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57fc8d513604b34a6b8a21ce928d607b73d8f8fedca6298a679d20cbcf4c572b
[INFO] running `Command { std: "docker" "start" "-a" "57fc8d513604b34a6b8a21ce928d607b73d8f8fedca6298a679d20cbcf4c572b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling mackerel_plugin v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.01s
[INFO] running `Command { std: "docker" "inspect" "57fc8d513604b34a6b8a21ce928d607b73d8f8fedca6298a679d20cbcf4c572b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57fc8d513604b34a6b8a21ce928d607b73d8f8fedca6298a679d20cbcf4c572b", kill_on_drop: false }`
[INFO] [stdout] 57fc8d513604b34a6b8a21ce928d607b73d8f8fedca6298a679d20cbcf4c572b
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e89778359cdf95d426a0c399a139bd63f67efc057431c578ff290925da75dbd
[INFO] running `Command { std: "docker" "start" "-a" "0e89778359cdf95d426a0c399a139bd63f67efc057431c578ff290925da75dbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling mackerel_plugin v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "0e89778359cdf95d426a0c399a139bd63f67efc057431c578ff290925da75dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e89778359cdf95d426a0c399a139bd63f67efc057431c578ff290925da75dbd", kill_on_drop: false }`
[INFO] [stdout] 0e89778359cdf95d426a0c399a139bd63f67efc057431c578ff290925da75dbd
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb55df5e2419bb8f7a917a443b95583126bd7164e2b9ea9a5162a27dfa47c36e
[INFO] running `Command { std: "docker" "start" "-a" "eb55df5e2419bb8f7a917a443b95583126bd7164e2b9ea9a5162a27dfa47c36e", 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-a74b3c112a1d5496)
[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-0c0eba9ed89e7837)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test empty_graph_name_plugin_output_definitions ... ok
[INFO] [stdout] test empty_graph_name_plugin_output_values ... ok
[INFO] [stdout] test plugin_output_definitions ... ok
[INFO] [stdout] test graph_has_diff ... ok
[INFO] [stdout] test plugin_output_values ... ok
[INFO] [stdout] test prefix_plugin_output_definitions ... ok
[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 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 1.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - metric (line 116) ... ok
[INFO] [stdout] test src/lib.rs - metric (line 102) ... ok
[INFO] [stdout] test src/lib.rs - graph (line 200) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb55df5e2419bb8f7a917a443b95583126bd7164e2b9ea9a5162a27dfa47c36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb55df5e2419bb8f7a917a443b95583126bd7164e2b9ea9a5162a27dfa47c36e", kill_on_drop: false }`
[INFO] [stdout] eb55df5e2419bb8f7a917a443b95583126bd7164e2b9ea9a5162a27dfa47c36e