[INFO] fetching crate mackerel_plugin 0.2.6...
[INFO] testing mackerel_plugin-0.2.6 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mackerel_plugin 0.2.6 into /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mackerel_plugin 0.2.6 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 93 packages to latest compatible versions
[INFO] [stderr]       Adding rstest v0.18.2 (available: v0.26.1)
[INFO] [stderr]       Adding strum v0.25.0 (available: v0.27.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest v0.18.2
[INFO] [stderr]   Downloaded rstest_macros v0.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b83f5b324436d51329cd2022d99917e3f7dca8bc03414e676befbb6d8e9cf948
[INFO] running `Command { std: "docker" "start" "-a" "b83f5b324436d51329cd2022d99917e3f7dca8bc03414e676befbb6d8e9cf948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b83f5b324436d51329cd2022d99917e3f7dca8bc03414e676befbb6d8e9cf948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83f5b324436d51329cd2022d99917e3f7dca8bc03414e676befbb6d8e9cf948", kill_on_drop: false }`
[INFO] [stdout] b83f5b324436d51329cd2022d99917e3f7dca8bc03414e676befbb6d8e9cf948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82c0418a118921a794734709e9aad09bb6dc9c161b9b007327bb493f3f340137
[INFO] running `Command { std: "docker" "start" "-a" "82c0418a118921a794734709e9aad09bb6dc9c161b9b007327bb493f3f340137", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling derive_utils v0.15.0
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling auto_enums v0.8.7
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling serde_with_macros v3.14.1
[INFO] [stderr]    Compiling serde_with v3.14.1
[INFO] [stderr]    Compiling mackerel_plugin v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.45s
[INFO] running `Command { std: "docker" "inspect" "82c0418a118921a794734709e9aad09bb6dc9c161b9b007327bb493f3f340137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c0418a118921a794734709e9aad09bb6dc9c161b9b007327bb493f3f340137", kill_on_drop: false }`
[INFO] [stdout] 82c0418a118921a794734709e9aad09bb6dc9c161b9b007327bb493f3f340137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3e5ec1fa5c53703a0e3b210cdb6ef6961a6a5cfd64d9b4f28dae98ee523d537
[INFO] running `Command { std: "docker" "start" "-a" "f3e5ec1fa5c53703a0e3b210cdb6ef6961a6a5cfd64d9b4f28dae98ee523d537", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling derive_utils v0.15.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling auto_enums v0.8.7
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling serde_with_macros v3.14.1
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling serde_with v3.14.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[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 20.06s
[INFO] running `Command { std: "docker" "inspect" "f3e5ec1fa5c53703a0e3b210cdb6ef6961a6a5cfd64d9b4f28dae98ee523d537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e5ec1fa5c53703a0e3b210cdb6ef6961a6a5cfd64d9b4f28dae98ee523d537", kill_on_drop: false }`
[INFO] [stdout] f3e5ec1fa5c53703a0e3b210cdb6ef6961a6a5cfd64d9b4f28dae98ee523d537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f4e60b1de3befbf419f4c0d08ed0fee05788cc081ef273302c4c8c6b48e7398
[INFO] running `Command { std: "docker" "start" "-a" "3f4e60b1de3befbf419f4c0d08ed0fee05788cc081ef273302c4c8c6b48e7398", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mackerel_plugin-d909b5010d297b84)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test unit::tests::test_unit::case_2 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_1 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_5 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_6 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_9 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_7 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_3 ... ok
[INFO] [stdout] test unit::tests::test_unit::case_4 ... ok
[INFO] [stderr]      Running tests/graph.rs (/opt/rustwide/target/debug/deps/graph-1b3c8ce070d36cdb)
[INFO] [stdout] test unit::tests::test_unit::case_8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/metric.rs (/opt/rustwide/target/debug/deps/metric-116f3f063ba5928c)
[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] [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-fbcf76141902d6df)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test empty_graph_name_plugin_output_definitions ... ok
[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 wildcard_plugin_output_values ... 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 diff_metric_plugin_output_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mackerel_plugin
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/metric.rs - metric::metric (line 26) ... ok
[INFO] [stdout] test src/metric.rs - metric::metric (line 15) ... ok
[INFO] [stdout] test src/graph.rs - graph::graph (line 25) ... 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" "3f4e60b1de3befbf419f4c0d08ed0fee05788cc081ef273302c4c8c6b48e7398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4e60b1de3befbf419f4c0d08ed0fee05788cc081ef273302c4c8c6b48e7398", kill_on_drop: false }`
[INFO] [stdout] 3f4e60b1de3befbf419f4c0d08ed0fee05788cc081ef273302c4c8c6b48e7398