[INFO] fetching crate tokio-metrics 0.4.2...
[INFO] checking tokio-metrics-0.4.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate tokio-metrics 0.4.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tokio-metrics 0.4.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tokio-metrics 0.4.2
[INFO] tweaked toml for crates.io crate tokio-metrics 0.4.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-metrics 0.4.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tokio-metrics 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sketches-ddsketch v0.3.0
[INFO] [stderr]   Downloaded metrics-exporter-prometheus v0.16.2
[INFO] [stderr]   Downloaded metrics v0.24.2
[INFO] [stderr]   Downloaded metrics-util v0.19.1
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[INFO] running `Command { std: "docker" "inspect" "25d4ff6a9e8cf20c91e707b9bb98ebaf3c159d56126765accb4a6854fe7d7d96", kill_on_drop: false }`
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[INFO] [stdout] 25d4ff6a9e8cf20c91e707b9bb98ebaf3c159d56126765accb4a6854fe7d7d96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7acbbd179d592a8d5be199fdfcde8e52e50e71365bfb43565ba7e19941ebc01
[INFO] running `Command { std: "docker" "start" "-a" "a7acbbd179d592a8d5be199fdfcde8e52e50e71365bfb43565ba7e19941ebc01", kill_on_drop: false }`
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[INFO] [stdout] error[E0432]: unresolved import `tokio_metrics::RuntimeMonitor`
[INFO] [stdout]    --> examples/runtime.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout] 2   | use tokio_metrics::RuntimeMonitor;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `RuntimeMonitor` in the root
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         RuntimeMonitor,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | / cfg_rt! {
[INFO] [stdout] 167 | |     mod runtime;
[INFO] [stdout] 168 | |     pub use runtime::{
[INFO] [stdout] 169 | |         RuntimeIntervals,
[INFO] [stdout] ...   |
[INFO] [stdout] 172 | |     };
[INFO] [stdout] 173 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: this error originates in the macro `cfg_rt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-metrics` (example "runtime") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a7acbbd179d592a8d5be199fdfcde8e52e50e71365bfb43565ba7e19941ebc01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7acbbd179d592a8d5be199fdfcde8e52e50e71365bfb43565ba7e19941ebc01", kill_on_drop: false }`
[INFO] [stdout] a7acbbd179d592a8d5be199fdfcde8e52e50e71365bfb43565ba7e19941ebc01