[INFO] fetching crate tokio-metrics-collector 0.2.0...
[INFO] checking tokio-metrics-collector-0.2.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate tokio-metrics-collector 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tokio-metrics-collector 0.2.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-metrics-collector 0.2.0
[INFO] finished tweaking crates.io crate tokio-metrics-collector 0.2.0
[INFO] tweaked toml for crates.io crate tokio-metrics-collector 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate tokio-metrics-collector 0.2.0 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-metrics v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c564d3d952ded69521f8a8c5de44732939700927631cb79512d6338fee3922e
[INFO] running `Command { std: "docker" "start" "-a" "8c564d3d952ded69521f8a8c5de44732939700927631cb79512d6338fee3922e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c564d3d952ded69521f8a8c5de44732939700927631cb79512d6338fee3922e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c564d3d952ded69521f8a8c5de44732939700927631cb79512d6338fee3922e", kill_on_drop: false }`
[INFO] [stdout] 8c564d3d952ded69521f8a8c5de44732939700927631cb79512d6338fee3922e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c668935d2999e69dd558150ee1d48cc0b317ca1dcd32c4b9457ab5904a632bcc
[INFO] running `Command { std: "docker" "start" "-a" "c668935d2999e69dd558150ee1d48cc0b317ca1dcd32c4b9457ab5904a632bcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]     Checking tracing v0.1.38
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling prometheus v0.13.3
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling axum v0.6.17
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking matchit v0.7.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking serde_path_to_error v0.1.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tokio-stream v0.1.12
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v0.14.26
[INFO] [stderr]     Checking tokio-metrics v0.2.2
[INFO] [stderr]     Checking tokio-metrics-collector v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `default_runtime_collector` in crate `tokio_metrics_collector`
[INFO] [stdout]    --> examples/server.rs:14:38
[INFO] [stdout]     |
[INFO] [stdout] 14  |             tokio_metrics_collector::default_runtime_collector(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^ help: a function with a similar name exists: `default_task_collector`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/task.rs:456:1
[INFO] [stdout]     |
[INFO] [stdout] 456 | pub fn default_collector() -> &'static TaskCollector {
[INFO] [stdout]     | ---------------------------------------------------- similarly named function `default_task_collector` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-metrics-collector` (example "server") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `monitor`
[INFO] [stdout]    --> src/task.rs:467:13
[INFO] [stdout]     |
[INFO] [stdout] 467 |         let monitor = tokio_metrics::TaskMonitor::new();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_monitor`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c668935d2999e69dd558150ee1d48cc0b317ca1dcd32c4b9457ab5904a632bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c668935d2999e69dd558150ee1d48cc0b317ca1dcd32c4b9457ab5904a632bcc", kill_on_drop: false }`
[INFO] [stdout] c668935d2999e69dd558150ee1d48cc0b317ca1dcd32c4b9457ab5904a632bcc
