[INFO] crate metrics-observer-prometheus 0.1.3 is already in cache
[INFO] checking metrics-observer-prometheus-0.1.3 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate metrics-observer-prometheus 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate metrics-observer-prometheus 0.1.3 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate metrics-observer-prometheus 0.1.3
[INFO] finished tweaking crates.io crate metrics-observer-prometheus 0.1.3
[INFO] tweaked toml for crates.io crate metrics-observer-prometheus 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71001524536a004202d39d8c2e2a616188923405e2fc785876e54450591d8465
[INFO] running `"docker" "start" "-a" "71001524536a004202d39d8c2e2a616188923405e2fc785876e54450591d8465"`
[INFO] [stderr]     Checking metrics-core v0.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking metrics-util v0.3.1
[INFO] [stderr]     Checking metrics-observer-prometheus v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `"docker" "inspect" "71001524536a004202d39d8c2e2a616188923405e2fc785876e54450591d8465"`
[INFO] running `"docker" "rm" "-f" "71001524536a004202d39d8c2e2a616188923405e2fc785876e54450591d8465"`
[INFO] [stdout] 71001524536a004202d39d8c2e2a616188923405e2fc785876e54450591d8465