[INFO] fetching crate metrics-exporter-prometheus 0.1.0-alpha.12... [INFO] testing metrics-exporter-prometheus-0.1.0-alpha.12 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate metrics-exporter-prometheus 0.1.0-alpha.12 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate metrics-exporter-prometheus 0.1.0-alpha.12 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate metrics-exporter-prometheus 0.1.0-alpha.12 [INFO] finished tweaking crates.io crate metrics-exporter-prometheus 0.1.0-alpha.12 [INFO] tweaked toml for crates.io crate metrics-exporter-prometheus 0.1.0-alpha.12 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate metrics-exporter-prometheus 0.1.0-alpha.12 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fdabd750db2291338e49411abe18227799a65696283477a3000d7381161ab197 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fdabd750db2291338e49411abe18227799a65696283477a3000d7381161ab197", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fdabd750db2291338e49411abe18227799a65696283477a3000d7381161ab197", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdabd750db2291338e49411abe18227799a65696283477a3000d7381161ab197", kill_on_drop: false }` [INFO] [stdout] fdabd750db2291338e49411abe18227799a65696283477a3000d7381161ab197 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2f0e6077a3f5ae9be98f64571a33e990807ce7018e4f1a017460269bc864ef87 [INFO] running `Command { std: "docker" "start" "-a" "2f0e6077a3f5ae9be98f64571a33e990807ce7018e4f1a017460269bc864ef87", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling futures-core v0.3.8 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling pin-project-lite v0.2.0 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling pin-project-lite v0.1.11 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling metrics v0.13.0-alpha.13 [INFO] [stderr] Compiling futures-sink v0.3.8 [INFO] [stderr] Compiling futures-task v0.3.8 [INFO] [stderr] Compiling smallvec v1.5.1 [INFO] [stderr] Compiling atomic-shim v0.1.0 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling sketches-ddsketch v0.1.2 [INFO] [stderr] Compiling tower-service v0.3.0 [INFO] [stderr] Compiling httpdate v0.3.2 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling tracing-core v0.1.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling futures-channel v0.3.8 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling http v0.2.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling raw-cpuid v8.1.2 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.8.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling socket2 v0.3.18 [INFO] [stderr] Compiling const-random-macro v0.1.13 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling quanta v0.6.5 [INFO] [stderr] Compiling const-random v0.1.13 [INFO] [stderr] Compiling ahash v0.3.8 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling dashmap v3.11.10 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Compiling metrics-macros v0.1.0-alpha.9 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling tokio v0.2.24 [INFO] [stderr] Compiling thiserror v1.0.22 [INFO] [stderr] Compiling tracing v0.1.22 [INFO] [stderr] Compiling metrics-util v0.4.0-alpha.10 [INFO] [stderr] Compiling pin-project v1.0.2 [INFO] [stderr] Compiling pin-project v0.4.27 [INFO] [stderr] Compiling tracing-futures v0.2.4 [INFO] [stderr] Compiling futures-util v0.3.8 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling h2 v0.2.7 [INFO] [stderr] Compiling hyper v0.13.9 [INFO] [stderr] Compiling metrics-exporter-prometheus v0.1.0-alpha.12 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 55s [INFO] running `Command { std: "docker" "inspect" "2f0e6077a3f5ae9be98f64571a33e990807ce7018e4f1a017460269bc864ef87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f0e6077a3f5ae9be98f64571a33e990807ce7018e4f1a017460269bc864ef87", kill_on_drop: false }` [INFO] [stdout] 2f0e6077a3f5ae9be98f64571a33e990807ce7018e4f1a017460269bc864ef87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5b972a74de2e40fb54e4ef686bb5a5f0acce75de9ef2399cee16ccbe687cad3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f5b972a74de2e40fb54e4ef686bb5a5f0acce75de9ef2399cee16ccbe687cad3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling sharded-slab v0.1.0 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling tracing-log v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-subscriber v0.2.15 [INFO] [stderr] Compiling metrics-exporter-prometheus v0.1.0-alpha.12 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 40.05s [INFO] running `Command { std: "docker" "inspect" "f5b972a74de2e40fb54e4ef686bb5a5f0acce75de9ef2399cee16ccbe687cad3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5b972a74de2e40fb54e4ef686bb5a5f0acce75de9ef2399cee16ccbe687cad3", kill_on_drop: false }` [INFO] [stdout] f5b972a74de2e40fb54e4ef686bb5a5f0acce75de9ef2399cee16ccbe687cad3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 92226f2cd7d1d23ce7f003dae55b36566021ee33e441978b474a1c7bcf9fcabc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "92226f2cd7d1d23ce7f003dae55b36566021ee33e441978b474a1c7bcf9fcabc", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/metrics_exporter_prometheus-9a8beb6b01dcacf6 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test builder::tests::test_buckets ... ok [INFO] [stdout] test builder::tests::test_idle_timeout ... ok [INFO] [stdout] test builder::tests::test_render ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests metrics-exporter-prometheus [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" "92226f2cd7d1d23ce7f003dae55b36566021ee33e441978b474a1c7bcf9fcabc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92226f2cd7d1d23ce7f003dae55b36566021ee33e441978b474a1c7bcf9fcabc", kill_on_drop: false }` [INFO] [stdout] 92226f2cd7d1d23ce7f003dae55b36566021ee33e441978b474a1c7bcf9fcabc