[INFO] fetching crate substrate-prometheus-endpoint 0.9.0...
[INFO] checking substrate-prometheus-endpoint-0.9.0 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate substrate-prometheus-endpoint 0.9.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate substrate-prometheus-endpoint 0.9.0 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-prometheus-endpoint 0.9.0
[INFO] finished tweaking crates.io crate substrate-prometheus-endpoint 0.9.0
[INFO] tweaked toml for crates.io crate substrate-prometheus-endpoint 0.9.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a64e2e144375f83219d512f0a79d8adf8f4b4c1fdaea87efbcd3d68793f88015
[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" "a64e2e144375f83219d512f0a79d8adf8f4b4c1fdaea87efbcd3d68793f88015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a64e2e144375f83219d512f0a79d8adf8f4b4c1fdaea87efbcd3d68793f88015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64e2e144375f83219d512f0a79d8adf8f4b4c1fdaea87efbcd3d68793f88015", kill_on_drop: false }`
[INFO] [stdout] a64e2e144375f83219d512f0a79d8adf8f4b4c1fdaea87efbcd3d68793f88015
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e2cb9ef4f01be257ea0b2465a5e7695f4de22d4b875e80c9fcbb9aee3eff62f
[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" "3e2cb9ef4f01be257ea0b2465a5e7695f4de22d4b875e80c9fcbb9aee3eff62f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling signal-hook v0.3.7
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking nb-connect v1.1.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking substrate-prometheus-endpoint v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "3e2cb9ef4f01be257ea0b2465a5e7695f4de22d4b875e80c9fcbb9aee3eff62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2cb9ef4f01be257ea0b2465a5e7695f4de22d4b875e80c9fcbb9aee3eff62f", kill_on_drop: false }`
[INFO] [stdout] 3e2cb9ef4f01be257ea0b2465a5e7695f4de22d4b875e80c9fcbb9aee3eff62f