[INFO] fetching crate rocket_prometheus 0.3.0...
[INFO] checking rocket_prometheus-0.3.0 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate rocket_prometheus 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rocket_prometheus 0.3.0 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rocket_prometheus 0.3.0
[INFO] finished tweaking crates.io crate rocket_prometheus 0.3.0
[INFO] tweaked toml for crates.io crate rocket_prometheus 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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] 20ed833b3f0a7c5fff5f144ae4e58e2ef78c8b84be69cfb17e5d8544514105c5
[INFO] running `"docker" "start" "-a" "20ed833b3f0a7c5fff5f144ae4e58e2ef78c8b84be69cfb17e5d8544514105c5"`
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]    Compiling rocket_http v0.4.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]     Checking rocket v0.4.2
[INFO] [stderr]     Checking rocket_contrib v0.4.2
[INFO] [stderr]     Checking rocket_prometheus v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.34s
[INFO] running `"docker" "inspect" "20ed833b3f0a7c5fff5f144ae4e58e2ef78c8b84be69cfb17e5d8544514105c5"`
[INFO] running `"docker" "rm" "-f" "20ed833b3f0a7c5fff5f144ae4e58e2ef78c8b84be69cfb17e5d8544514105c5"`
[INFO] [stdout] 20ed833b3f0a7c5fff5f144ae4e58e2ef78c8b84be69cfb17e5d8544514105c5