[INFO] fetching crate sc-proposer-metrics 0.8.0-rc6...
[INFO] checking sc-proposer-metrics-0.8.0-rc6 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate sc-proposer-metrics 0.8.0-rc6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sc-proposer-metrics 0.8.0-rc6 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-proposer-metrics 0.8.0-rc6
[INFO] finished tweaking crates.io crate sc-proposer-metrics 0.8.0-rc6
[INFO] tweaked toml for crates.io crate sc-proposer-metrics 0.8.0-rc6 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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] 17c3e11e2f2e7ac312b3f470c13d7d611715aa1a608ba4cc510340c11cbbbe03
[INFO] running `Command { std: "docker" "start" "-a" "17c3e11e2f2e7ac312b3f470c13d7d611715aa1a608ba4cc510340c11cbbbe03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17c3e11e2f2e7ac312b3f470c13d7d611715aa1a608ba4cc510340c11cbbbe03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c3e11e2f2e7ac312b3f470c13d7d611715aa1a608ba4cc510340c11cbbbe03", kill_on_drop: false }`
[INFO] [stdout] 17c3e11e2f2e7ac312b3f470c13d7d611715aa1a608ba4cc510340c11cbbbe03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ee5c37b8ae588d5d0ca8860ec425f09d5030651bdcd7874268d10f756c4f416
[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" "5ee5c37b8ae588d5d0ca8860ec425f09d5030651bdcd7874268d10f756c4f416", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking polling v1.0.3
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-lite v1.7.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking async-io v1.1.2
[INFO] [stderr]     Checking async-executor v1.2.0
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking async-global-executor v1.0.2
[INFO] [stderr]     Checking async-std v1.6.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling derive_more v0.99.10
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking prometheus v0.9.0
[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 hyper v0.13.8
[INFO] [stderr]     Checking substrate-prometheus-endpoint v0.8.0-rc6
[INFO] [stderr]     Checking sc-proposer-metrics v0.8.0-rc6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "5ee5c37b8ae588d5d0ca8860ec425f09d5030651bdcd7874268d10f756c4f416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee5c37b8ae588d5d0ca8860ec425f09d5030651bdcd7874268d10f756c4f416", kill_on_drop: false }`
[INFO] [stdout] 5ee5c37b8ae588d5d0ca8860ec425f09d5030651bdcd7874268d10f756c4f416