[INFO] fetching crate sc-proposer-metrics 0.8.0...
[INFO] checking sc-proposer-metrics-0.8.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate sc-proposer-metrics 0.8.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sc-proposer-metrics 0.8.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-proposer-metrics 0.8.0
[INFO] finished tweaking crates.io crate sc-proposer-metrics 0.8.0
[INFO] tweaked toml for crates.io crate sc-proposer-metrics 0.8.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a28fe7fad179d606302349952c00151f1be848197c0f43b7f9414037db64db1f
[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" "a28fe7fad179d606302349952c00151f1be848197c0f43b7f9414037db64db1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a28fe7fad179d606302349952c00151f1be848197c0f43b7f9414037db64db1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28fe7fad179d606302349952c00151f1be848197c0f43b7f9414037db64db1f", kill_on_drop: false }`
[INFO] [stdout] a28fe7fad179d606302349952c00151f1be848197c0f43b7f9414037db64db1f
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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] 3dfe32ee8471a1287659bbd47110b5108bd8d2d0d33906ce2ff1133ac491e2f9
[INFO] running `Command { std: "docker" "start" "-a" "3dfe32ee8471a1287659bbd47110b5108bd8d2d0d33906ce2ff1133ac491e2f9", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking prometheus v0.10.0
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking substrate-prometheus-endpoint v0.8.0
[INFO] [stderr]     Checking sc-proposer-metrics v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.02s
[INFO] running `Command { std: "docker" "inspect" "3dfe32ee8471a1287659bbd47110b5108bd8d2d0d33906ce2ff1133ac491e2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dfe32ee8471a1287659bbd47110b5108bd8d2d0d33906ce2ff1133ac491e2f9", kill_on_drop: false }`
[INFO] [stdout] 3dfe32ee8471a1287659bbd47110b5108bd8d2d0d33906ce2ff1133ac491e2f9