[INFO] crate sc-proposer-metrics 0.8.0-rc4 is already in cache
[INFO] checking sc-proposer-metrics-0.8.0-rc4 against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] extracting crate sc-proposer-metrics 0.8.0-rc4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate sc-proposer-metrics 0.8.0-rc4 on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-proposer-metrics 0.8.0-rc4
[INFO] finished tweaking crates.io crate sc-proposer-metrics 0.8.0-rc4
[INFO] tweaked toml for crates.io crate sc-proposer-metrics 0.8.0-rc4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d675f7acab87edbcea902023be9518098502c92adcc56e952ba80e7d012d34bc
[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" "d675f7acab87edbcea902023be9518098502c92adcc56e952ba80e7d012d34bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d675f7acab87edbcea902023be9518098502c92adcc56e952ba80e7d012d34bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d675f7acab87edbcea902023be9518098502c92adcc56e952ba80e7d012d34bc", kill_on_drop: false }`
[INFO] [stdout] d675f7acab87edbcea902023be9518098502c92adcc56e952ba80e7d012d34bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f530293073c2e874656e5c31989808a1a46bd78969cefbc347d2661a862d10b
[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" "7f530293073c2e874656e5c31989808a1a46bd78969cefbc347d2661a862d10b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling protobuf v2.16.2
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tracing-core v0.1.12
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking hashbrown v0.8.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking tracing v0.1.18
[INFO] [stderr]     Checking indexmap v1.5.0
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking wasm-bindgen v0.2.67
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking substrate-prometheus-endpoint v0.8.0-rc5
[INFO] [stderr]     Checking sc-proposer-metrics v0.8.0-rc4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "7f530293073c2e874656e5c31989808a1a46bd78969cefbc347d2661a862d10b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f530293073c2e874656e5c31989808a1a46bd78969cefbc347d2661a862d10b", kill_on_drop: false }`
[INFO] [stdout] 7f530293073c2e874656e5c31989808a1a46bd78969cefbc347d2661a862d10b