[INFO] fetching crate mackerel_plugin 0.2.6...
[INFO] testing mackerel_plugin-0.2.6 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate mackerel_plugin 0.2.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mackerel_plugin 0.2.6
[INFO] finished tweaking crates.io crate mackerel_plugin 0.2.6
[INFO] tweaked toml for crates.io crate mackerel_plugin 0.2.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mackerel_plugin 0.2.6 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 90 packages to latest compatible versions
[INFO] [stderr]       Adding rstest v0.18.2 (available: v0.26.1)
[INFO] [stderr]       Adding strum v0.25.0 (available: v0.28.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51617aa9eed172ac6ddc4261cddf9be4dcaa13b4ba0d1ff9255e44ffb76a8a15
[INFO] running `Command { std: "docker" "start" "-a" "51617aa9eed172ac6ddc4261cddf9be4dcaa13b4ba0d1ff9255e44ffb76a8a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51617aa9eed172ac6ddc4261cddf9be4dcaa13b4ba0d1ff9255e44ffb76a8a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51617aa9eed172ac6ddc4261cddf9be4dcaa13b4ba0d1ff9255e44ffb76a8a15", kill_on_drop: false }`
[INFO] [stdout] 51617aa9eed172ac6ddc4261cddf9be4dcaa13b4ba0d1ff9255e44ffb76a8a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90a95227e319b5c48cd717b879382eba956bc03aff88e7c933e2651d68eb5d05
[INFO] running `Command { std: "docker" "start" "-a" "90a95227e319b5c48cd717b879382eba956bc03aff88e7c933e2651d68eb5d05", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling derive_utils v0.15.1
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling auto_enums v0.8.8
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling serde_with_macros v3.18.0
[INFO] [stderr]    Compiling serde_with v3.18.0
[INFO] [stderr]    Compiling mackerel_plugin v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.01s
[INFO] running `Command { std: "docker" "inspect" "90a95227e319b5c48cd717b879382eba956bc03aff88e7c933e2651d68eb5d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a95227e319b5c48cd717b879382eba956bc03aff88e7c933e2651d68eb5d05", kill_on_drop: false }`
[INFO] [stdout] 90a95227e319b5c48cd717b879382eba956bc03aff88e7c933e2651d68eb5d05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2efdc84278dabe0e2db394136f089f1f028afbf313d8468c890c2f3db3806b53
[INFO] running `Command { std: "docker" "start" "-a" "2efdc84278dabe0e2db394136f089f1f028afbf313d8468c890c2f3db3806b53", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling derive_utils v0.15.1
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling auto_enums v0.8.8
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling serde_with_macros v3.18.0
[INFO] [stderr]    Compiling serde_with v3.18.0
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling rstest v0.18.2
[INFO] [stderr]    Compiling mackerel_plugin v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.39s
[INFO] running `Command { std: "docker" "inspect" "2efdc84278dabe0e2db394136f089f1f028afbf313d8468c890c2f3db3806b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2efdc84278dabe0e2db394136f089f1f028afbf313d8468c890c2f3db3806b53", kill_on_drop: false }`
[INFO] [stdout] 2efdc84278dabe0e2db394136f089f1f028afbf313d8468c890c2f3db3806b53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23c02091bd38eeec2c4521017917fd5987bf5f8e684e0dceac43527f1e9ba37d
[INFO] running `Command { std: "docker" "start" "-a" "23c02091bd38eeec2c4521017917fd5987bf5f8e684e0dceac43527f1e9ba37d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mackerel_plugin-4e08d535e60e7406)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test unit::tests::test_unit::case_1 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_7 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_8 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_4 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_2 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_5 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_9 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_3 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/graph.rs (/opt/rustwide/target/debug/deps/graph-788445a2199535bb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test graph_has_diff ... ok
[INFO] [stdout] test graph ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/metric.rs (/opt/rustwide/target/debug/deps/metric-ad2d6cc92805119c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test metric_macro ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/plugin.rs (/opt/rustwide/target/debug/deps/plugin-02bd03fd77aecab3)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test plugin_output_values ... ok
[INFO] [stdout] test plugin_output_definitions ... ok
[INFO] [stdout] test empty_graph_name_plugin_output_values ... ok
[INFO] [stdout] test empty_graph_name_plugin_output_definitions ... ok
[INFO] [stdout] test prefix_plugin_output_values ... ok
[INFO] [stdout] test prefix_plugin_output_definitions ... 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. 9 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/metric.rs - metric::metric (line 26) ... ok
[INFO] [stdout] test src/graph.rs - graph::graph (line 25) ... ok
[INFO] [stdout] test src/metric.rs - metric::metric (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "23c02091bd38eeec2c4521017917fd5987bf5f8e684e0dceac43527f1e9ba37d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c02091bd38eeec2c4521017917fd5987bf5f8e684e0dceac43527f1e9ba37d", kill_on_drop: false }`
[INFO] [stdout] 23c02091bd38eeec2c4521017917fd5987bf5f8e684e0dceac43527f1e9ba37d