[INFO] fetching crate prometheus-extensions 0.1.0...
[INFO] testing prometheus-extensions-0.1.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate prometheus-extensions 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate prometheus-extensions 0.1.0
[INFO] finished tweaking crates.io crate prometheus-extensions 0.1.0
[INFO] tweaked toml for crates.io crate prometheus-extensions 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prometheus-extensions 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prometheus-extensions 0.1.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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] ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1
[INFO] running `Command { std: "docker" "start" "ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1", 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" "ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1", 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" "ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling protobuf-support v3.7.2
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling prometheus-extensions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.78s
[INFO] running `Command { std: "docker" "inspect" "ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1", 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" "ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus-extensions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1", 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" "ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::sensor_alpha_one_tracks_instantly ... ok
[INFO] [stdout] test tests::aggregate_counter_produces_both_metrics ... ok
[INFO] [stdout] test tests::sensor_converges ... ok
[INFO] [stdout] test tests::scientific_encoder_format ... ok
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prometheus_extensions-39c1e01b6c861f86)
[INFO] [stdout] test tests::aggregate_counter_empty_collect ... ok
[INFO] [stdout] test tests::sensor_starts_at_zero ... ok
[INFO] [stdout] test tests::sensor_rejects_negative_alpha - should panic ... ok
[INFO] [stderr]    Doc-tests prometheus_extensions
[INFO] [stdout] test tests::sensor_rejects_zero_alpha - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Sensor (line 266) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - AggregateCounter (line 75) ... ok
[INFO] [stdout] test src/lib.rs - ScientificEncoder (line 181) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1", kill_on_drop: false }`
[INFO] [stdout] ebb06d985516f6890ee9be555840555fcfc5edf43860b4cd3fba77260ee5b3f1
