[INFO] fetching crate mackerel_plugin 0.2.5...
[INFO] testing mackerel_plugin-0.2.5 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mackerel_plugin 0.2.5 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate mackerel_plugin 0.2.5 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-98/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf4d9d37962d206b9b344985f26ac8be16143dc7af0dda309e19ce02e51ed5b5
[INFO] running `Command { std: "docker" "start" "-a" "cf4d9d37962d206b9b344985f26ac8be16143dc7af0dda309e19ce02e51ed5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf4d9d37962d206b9b344985f26ac8be16143dc7af0dda309e19ce02e51ed5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4d9d37962d206b9b344985f26ac8be16143dc7af0dda309e19ce02e51ed5b5", kill_on_drop: false }`
[INFO] [stdout] cf4d9d37962d206b9b344985f26ac8be16143dc7af0dda309e19ce02e51ed5b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ee41a6eeffac7af65fefccae7950b02d3fe834664f83451262f23bb7cc5807f
[INFO] running `Command { std: "docker" "start" "-a" "5ee41a6eeffac7af65fefccae7950b02d3fe834664f83451262f23bb7cc5807f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mackerel_plugin v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.79s
[INFO] running `Command { std: "docker" "inspect" "5ee41a6eeffac7af65fefccae7950b02d3fe834664f83451262f23bb7cc5807f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee41a6eeffac7af65fefccae7950b02d3fe834664f83451262f23bb7cc5807f", kill_on_drop: false }`
[INFO] [stdout] 5ee41a6eeffac7af65fefccae7950b02d3fe834664f83451262f23bb7cc5807f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4be28c5681cbca7d3ed01a771576745a15a558e5920f221cf9da48c7b45db355
[INFO] running `Command { std: "docker" "start" "-a" "4be28c5681cbca7d3ed01a771576745a15a558e5920f221cf9da48c7b45db355", kill_on_drop: false }`
[INFO] [stderr]    Compiling mackerel_plugin v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "4be28c5681cbca7d3ed01a771576745a15a558e5920f221cf9da48c7b45db355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be28c5681cbca7d3ed01a771576745a15a558e5920f221cf9da48c7b45db355", kill_on_drop: false }`
[INFO] [stdout] 4be28c5681cbca7d3ed01a771576745a15a558e5920f221cf9da48c7b45db355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 763b4bdf4de43f442cd7a41d74b7c3bd1d5f3157c4b23422ec3802e62da56457
[INFO] running `Command { std: "docker" "start" "-a" "763b4bdf4de43f442cd7a41d74b7c3bd1d5f3157c4b23422ec3802e62da56457", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mackerel_plugin-5c3b71154db96c59)
[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-dce21777da6bb3e9)
[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 graph_has_diff ... ok
[INFO] [stdout] test prefix_plugin_output_values ... ok
[INFO] [stdout] test plugin_output_definitions ... ok
[INFO] [stdout] test plugin_output_values ... ok
[INFO] [stdout] test prefix_plugin_output_definitions ... 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] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mackerel_plugin
[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 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "763b4bdf4de43f442cd7a41d74b7c3bd1d5f3157c4b23422ec3802e62da56457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763b4bdf4de43f442cd7a41d74b7c3bd1d5f3157c4b23422ec3802e62da56457", kill_on_drop: false }`
[INFO] [stdout] 763b4bdf4de43f442cd7a41d74b7c3bd1d5f3157c4b23422ec3802e62da56457