[INFO] fetching crate ckb-metrics-service 0.37.0...
[INFO] checking ckb-metrics-service-0.37.0 against beta for pr-78714
[INFO] extracting crate ckb-metrics-service 0.37.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ckb-metrics-service 0.37.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-metrics-service 0.37.0
[INFO] finished tweaking crates.io crate ckb-metrics-service 0.37.0
[INFO] tweaked toml for crates.io crate ckb-metrics-service 0.37.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2986c3a57781f906ad1fdd2622b635f4cc5b8dc18c8c6889169aa3fb1c7196c
[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" "c2986c3a57781f906ad1fdd2622b635f4cc5b8dc18c8c6889169aa3fb1c7196c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2986c3a57781f906ad1fdd2622b635f4cc5b8dc18c8c6889169aa3fb1c7196c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2986c3a57781f906ad1fdd2622b635f4cc5b8dc18c8c6889169aa3fb1c7196c", kill_on_drop: false }`
[INFO] [stdout] c2986c3a57781f906ad1fdd2622b635f4cc5b8dc18c8c6889169aa3fb1c7196c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9207c7cf8742cabdbc284d5fad5c51608be07de002c8779751a13c4058d8384e
[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" "9207c7cf8742cabdbc284d5fad5c51608be07de002c8779751a13c4058d8384e", kill_on_drop: false }`
[INFO] [stderr]     Checking metrics-core v0.5.2
[INFO] [stderr]    Compiling metrics v0.12.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking atomic-shim v0.1.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking metrics-util v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking ckb-metrics-config v0.37.0
[INFO] [stderr]     Checking quanta v0.3.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking metrics-observer-prometheus v0.1.4
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking metrics-observer-yaml v0.1.1
[INFO] [stderr]     Checking metrics-observer-json v0.1.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking ckb-util v0.37.0
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking metrics-exporter-log v0.4.0
[INFO] [stderr]     Checking ckb-async-runtime v0.37.0
[INFO] [stderr]     Checking ckb-stop-handler v0.37.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking metrics-exporter-http v0.3.0
[INFO] [stderr]     Checking metrics-runtime v0.13.1
[INFO] [stderr]     Checking ckb-metrics-service v0.37.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.54s
[INFO] running `Command { std: "docker" "inspect" "9207c7cf8742cabdbc284d5fad5c51608be07de002c8779751a13c4058d8384e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9207c7cf8742cabdbc284d5fad5c51608be07de002c8779751a13c4058d8384e", kill_on_drop: false }`
[INFO] [stdout] 9207c7cf8742cabdbc284d5fad5c51608be07de002c8779751a13c4058d8384e