[INFO] fetching crate rustlavel-metrics 0.8.1...
[INFO] testing rustlavel-metrics-0.8.1 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate rustlavel-metrics 0.8.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rustlavel-metrics 0.8.1
[INFO] finished tweaking crates.io crate rustlavel-metrics 0.8.1
[INFO] tweaked toml for crates.io crate rustlavel-metrics 0.8.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustlavel-metrics 0.8.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustlavel-metrics 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1
[INFO] running `Command { std: "docker" "start" "c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio v1.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling rustlavel-core v0.8.1
[INFO] [stderr]    Compiling syn v3.0.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling rustlavel-http v0.8.1
[INFO] [stderr]    Compiling rustlavel-metrics v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.59s
[INFO] running `Command { std: "docker" "inspect" "c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustlavel-metrics v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/rustlavel-metrics/4a6c8140740d905f/out/rustlavel_metrics-4a6c8140740d905f)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::a_gauge_replaces_rather_than_accumulates ... ok
[INFO] [stdout] test tests::counters_render_with_their_labels ... ok
[INFO] [stdout] test tests::histogram_buckets_are_cumulative ... ok
[INFO] [stdout] test tests::database_and_ai_events_become_metrics ... ok
[INFO] [stdout] test tests::an_observation_past_every_bucket_still_counts ... ok
[INFO] [stdout] test tests::label_values_are_escaped ... ok
[INFO] [stderr]    Doc-tests rustlavel_metrics
[INFO] [stdout] test tests::requests_are_counted_by_route_not_by_path ... ok
[INFO] [stdout] test tests::the_endpoint_advertises_the_exposition_format ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.31s; merged doctests compilation took 0.30s
[INFO] running `Command { std: "docker" "inspect" "c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1", kill_on_drop: false }`
[INFO] [stdout] c2d56cc4ad307bea8bc90f56e2646e273bc06cfbe77c55dc982fdb7de5e97bc1
