[INFO] fetching crate sc-proposer-metrics 0.9.0...
[INFO] checking sc-proposer-metrics-0.9.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate sc-proposer-metrics 0.9.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate sc-proposer-metrics 0.9.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-proposer-metrics 0.9.0
[INFO] finished tweaking crates.io crate sc-proposer-metrics 0.9.0
[INFO] tweaked toml for crates.io crate sc-proposer-metrics 0.9.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 369adfc7ec3bd4e4b77ef82b2bdabe8a412f76e1af89d418c2b78d9c884c75e9
[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" "369adfc7ec3bd4e4b77ef82b2bdabe8a412f76e1af89d418c2b78d9c884c75e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "369adfc7ec3bd4e4b77ef82b2bdabe8a412f76e1af89d418c2b78d9c884c75e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369adfc7ec3bd4e4b77ef82b2bdabe8a412f76e1af89d418c2b78d9c884c75e9", kill_on_drop: false }`
[INFO] [stdout] 369adfc7ec3bd4e4b77ef82b2bdabe8a412f76e1af89d418c2b78d9c884c75e9
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--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] bfa4779239e5bdda5910f436c9e3976ff78e3edbc872d9d13e6a6df19b01ce0e
[INFO] running `Command { std: "docker" "start" "-a" "bfa4779239e5bdda5910f436c9e3976ff78e3edbc872d9d13e6a6df19b01ce0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking http-body v0.3.1
[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 indexmap v1.6.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling derive_more v0.99.13
[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 kv-log-macro v1.0.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking prometheus v0.11.0
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking async-io v1.4.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking substrate-prometheus-endpoint v0.9.0
[INFO] [stderr]     Checking sc-proposer-metrics v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "bfa4779239e5bdda5910f436c9e3976ff78e3edbc872d9d13e6a6df19b01ce0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfa4779239e5bdda5910f436c9e3976ff78e3edbc872d9d13e6a6df19b01ce0e", kill_on_drop: false }`
[INFO] [stdout] bfa4779239e5bdda5910f436c9e3976ff78e3edbc872d9d13e6a6df19b01ce0e