[INFO] fetching crate opentelemetry-prometheus 0.7.0...
[INFO] checking opentelemetry-prometheus-0.7.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate opentelemetry-prometheus 0.7.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate opentelemetry-prometheus 0.7.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opentelemetry-prometheus 0.7.0
[INFO] finished tweaking crates.io crate opentelemetry-prometheus 0.7.0
[INFO] tweaked toml for crates.io crate opentelemetry-prometheus 0.7.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate opentelemetry-prometheus 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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] 5059a14212e7472792b15d002c3823cedf37a4d12ae6a9cf6ece5f40c07a131c
[INFO] running `Command { std: "docker" "start" "-a" "5059a14212e7472792b15d002c3823cedf37a4d12ae6a9cf6ece5f40c07a131c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5059a14212e7472792b15d002c3823cedf37a4d12ae6a9cf6ece5f40c07a131c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5059a14212e7472792b15d002c3823cedf37a4d12ae6a9cf6ece5f40c07a131c", kill_on_drop: false }`
[INFO] [stdout] 5059a14212e7472792b15d002c3823cedf37a4d12ae6a9cf6ece5f40c07a131c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 844c3a4091d0bd774106c5b8c47bd1a9f83f4b4fc9bfe479fe744def617647b9
[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" "844c3a4091d0bd774106c5b8c47bd1a9f83f4b4fc9bfe479fe744def617647b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking prometheus v0.12.0
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking opentelemetry v0.14.0
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking opentelemetry-prometheus v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.27s
[INFO] running `Command { std: "docker" "inspect" "844c3a4091d0bd774106c5b8c47bd1a9f83f4b4fc9bfe479fe744def617647b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844c3a4091d0bd774106c5b8c47bd1a9f83f4b4fc9bfe479fe744def617647b9", kill_on_drop: false }`
[INFO] [stdout] 844c3a4091d0bd774106c5b8c47bd1a9f83f4b4fc9bfe479fe744def617647b9