[INFO] fetching crate metrics-exporter-http-async_std 0.1.0...
[INFO] checking metrics-exporter-http-async_std-0.1.0 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate metrics-exporter-http-async_std 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate metrics-exporter-http-async_std 0.1.0 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate metrics-exporter-http-async_std 0.1.0
[INFO] finished tweaking crates.io crate metrics-exporter-http-async_std 0.1.0
[INFO] tweaked toml for crates.io crate metrics-exporter-http-async_std 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate metrics-exporter-http-async_std 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrics-runtime v0.13.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] 4b5bb02e25da69df304cfea88c06cf0c0fc704d4750668d4dd5c2343054bcf15
[INFO] running `"docker" "start" "-a" "4b5bb02e25da69df304cfea88c06cf0c0fc704d4750668d4dd5c2343054bcf15"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking metrics-core v0.5.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
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[INFO] [stderr]    Compiling ryu v1.0.4
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[INFO] [stderr]    Compiling metrics v0.12.1
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[INFO] [stderr]     Checking http v0.2.1
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[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
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[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]    Compiling parking_lot v0.9.0
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[INFO] [stderr]     Checking time v0.1.43
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking http-body v0.3.1
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[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking metrics-util v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking metrics-exporter-log v0.4.0
[INFO] [stderr]     Checking metrics-observer-prometheus v0.1.3
[INFO] [stderr]     Checking metrics-observer-yaml v0.1.1
[INFO] [stderr]     Checking metrics-observer-json v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking metrics-exporter-http-async_std v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking metrics-exporter-http v0.3.0
[INFO] [stderr]     Checking metrics-runtime v0.13.0
[INFO] [stderr] error[E0432]: unresolved import `metrics_exporter_async_std`
[INFO] [stderr]  --> examples/basic.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use metrics_exporter_async_std::HttpExporter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `metrics_exporter_async_std`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `metrics-exporter-http-async_std`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4b5bb02e25da69df304cfea88c06cf0c0fc704d4750668d4dd5c2343054bcf15"`
[INFO] running `"docker" "rm" "-f" "4b5bb02e25da69df304cfea88c06cf0c0fc704d4750668d4dd5c2343054bcf15"`
[INFO] [stdout] 4b5bb02e25da69df304cfea88c06cf0c0fc704d4750668d4dd5c2343054bcf15