[INFO] fetching crate ckb-metrics-service 0.100.0-rc2...
[INFO] checking ckb-metrics-service-0.100.0-rc2 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate ckb-metrics-service 0.100.0-rc2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ckb-metrics-service 0.100.0-rc2 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-metrics-service 0.100.0-rc2
[INFO] finished tweaking crates.io crate ckb-metrics-service 0.100.0-rc2
[INFO] tweaked toml for crates.io crate ckb-metrics-service 0.100.0-rc2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics-exporter-log v0.4.0
[INFO] [stderr]   Downloaded metrics-exporter-http v0.3.0
[INFO] [stderr]   Downloaded metrics-observer-prometheus v0.1.4
[INFO] [stderr]   Downloaded metrics-observer-yaml v0.1.1
[INFO] [stderr]   Downloaded metrics-observer-json v0.1.1
[INFO] [stderr]   Downloaded hdrhistogram v6.3.4
[INFO] [stderr]   Downloaded ckb-metrics-runtime v0.13.1
[INFO] [stderr]   Downloaded metrics-util v0.3.2
[INFO] [stderr]   Downloaded quanta v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", 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] 7987008e47393de9f7b34e4e054036c9044c84cffd6b83cf13ed7d864fb2b34e
[INFO] running `Command { std: "docker" "start" "-a" "7987008e47393de9f7b34e4e054036c9044c84cffd6b83cf13ed7d864fb2b34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7987008e47393de9f7b34e4e054036c9044c84cffd6b83cf13ed7d864fb2b34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7987008e47393de9f7b34e4e054036c9044c84cffd6b83cf13ed7d864fb2b34e", kill_on_drop: false }`
[INFO] [stdout] 7987008e47393de9f7b34e4e054036c9044c84cffd6b83cf13ed7d864fb2b34e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5df2cee13553fc023c05c435575d33b128f5d481b41428a914cdf0880e2ca80b
[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" "5df2cee13553fc023c05c435575d33b128f5d481b41428a914cdf0880e2ca80b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking metrics-core v0.5.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling metrics v0.12.1
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking atomic-shim v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking ckb-spawn v0.100.0-rc2
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking ckb-channel v0.100.0-rc2
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking quanta v0.3.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking ckb-util v0.100.0-rc2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking metrics-util v0.3.2
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking metrics-observer-prometheus v0.1.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking ckb-logger v0.100.0-rc2
[INFO] [stderr]     Checking ckb-metrics-config v0.100.0-rc2
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking metrics-observer-yaml v0.1.1
[INFO] [stderr]     Checking metrics-observer-json v0.1.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking metrics-exporter-log v0.4.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking ckb-stop-handler v0.100.0-rc2
[INFO] [stderr]     Checking ckb-async-runtime v0.100.0-rc2
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking metrics-exporter-http v0.3.0
[INFO] [stderr]     Checking ckb-metrics-runtime v0.13.1
[INFO] [stderr]     Checking ckb-metrics-service v0.100.0-rc2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "5df2cee13553fc023c05c435575d33b128f5d481b41428a914cdf0880e2ca80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df2cee13553fc023c05c435575d33b128f5d481b41428a914cdf0880e2ca80b", kill_on_drop: false }`
[INFO] [stdout] 5df2cee13553fc023c05c435575d33b128f5d481b41428a914cdf0880e2ca80b