[INFO] fetching crate switchboard-node-metrics 0.1.0...
[INFO] testing switchboard-node-metrics-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate switchboard-node-metrics 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate switchboard-node-metrics 0.1.0
[INFO] finished tweaking crates.io crate switchboard-node-metrics 0.1.0
[INFO] tweaked toml for crates.io crate switchboard-node-metrics 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate switchboard-node-metrics 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding prometheus v0.13.4 (available: v0.14.0)
[INFO] [stderr]       Adding prometheus-client v0.21.2 (available: v0.24.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus-client v0.21.2
[INFO] [stderr]   Downloaded prometheus-client-derive-encode v0.4.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a6955356787d22f146c6f081dc5567b626f20d945054fc58f3f3e80214188c1
[INFO] running `Command { std: "docker" "start" "-a" "7a6955356787d22f146c6f081dc5567b626f20d945054fc58f3f3e80214188c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a6955356787d22f146c6f081dc5567b626f20d945054fc58f3f3e80214188c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6955356787d22f146c6f081dc5567b626f20d945054fc58f3f3e80214188c1", kill_on_drop: false }`
[INFO] [stdout] 7a6955356787d22f146c6f081dc5567b626f20d945054fc58f3f3e80214188c1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c9bd2403904a624ad37817114cddebe6c9f6b5a8e30568e893d404c09d46b1e
[INFO] running `Command { std: "docker" "start" "-a" "7c9bd2403904a624ad37817114cddebe6c9f6b5a8e30568e893d404c09d46b1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-client v0.21.2
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling switchboard-node-metrics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.06s
[INFO] running `Command { std: "docker" "inspect" "7c9bd2403904a624ad37817114cddebe6c9f6b5a8e30568e893d404c09d46b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9bd2403904a624ad37817114cddebe6c9f6b5a8e30568e893d404c09d46b1e", kill_on_drop: false }`
[INFO] [stdout] 7c9bd2403904a624ad37817114cddebe6c9f6b5a8e30568e893d404c09d46b1e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad138ba04583e792ff4b2d46e6b03d89ed2fe4fb5dcb404d6939e91b6128543f
[INFO] running `Command { std: "docker" "start" "-a" "ad138ba04583e792ff4b2d46e6b03d89ed2fe4fb5dcb404d6939e91b6128543f", kill_on_drop: false }`
[INFO] [stderr]    Compiling switchboard-node-metrics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "ad138ba04583e792ff4b2d46e6b03d89ed2fe4fb5dcb404d6939e91b6128543f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad138ba04583e792ff4b2d46e6b03d89ed2fe4fb5dcb404d6939e91b6128543f", kill_on_drop: false }`
[INFO] [stdout] ad138ba04583e792ff4b2d46e6b03d89ed2fe4fb5dcb404d6939e91b6128543f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0fa65138217d58ee07c93dc9b51b95d2af26ac7c13f0ed21c8746d0043d4fb5
[INFO] running `Command { std: "docker" "start" "-a" "f0fa65138217d58ee07c93dc9b51b95d2af26ac7c13f0ed21c8746d0043d4fb5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/switchboard_node_metrics-532b73cde0ea5dd9)
[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]    Doc-tests switchboard_node_metrics
[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] running `Command { std: "docker" "inspect" "f0fa65138217d58ee07c93dc9b51b95d2af26ac7c13f0ed21c8746d0043d4fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0fa65138217d58ee07c93dc9b51b95d2af26ac7c13f0ed21c8746d0043d4fb5", kill_on_drop: false }`
[INFO] [stdout] f0fa65138217d58ee07c93dc9b51b95d2af26ac7c13f0ed21c8746d0043d4fb5