[INFO] fetching crate tokio-metrics-collector 0.3.1...
[INFO] testing tokio-metrics-collector-0.3.1 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate tokio-metrics-collector 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tokio-metrics-collector 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tokio-metrics-collector 0.3.1
[INFO] tweaked toml for crates.io crate tokio-metrics-collector 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-metrics-collector 0.3.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tokio-metrics-collector 0.3.1 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1ad14690a510dac5f2bb404959f1f7d4b5e3931563cda018bc129d6f8c1567f5
[INFO] running `Command { std: "docker" "start" "1ad14690a510dac5f2bb404959f1f7d4b5e3931563cda018bc129d6f8c1567f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ad14690a510dac5f2bb404959f1f7d4b5e3931563cda018bc129d6f8c1567f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1ad14690a510dac5f2bb404959f1f7d4b5e3931563cda018bc129d6f8c1567f5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ad14690a510dac5f2bb404959f1f7d4b5e3931563cda018bc129d6f8c1567f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1ad14690a510dac5f2bb404959f1f7d4b5e3931563cda018bc129d6f8c1567f5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio v1.44.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-stream v0.1.12
[INFO] [stderr]    Compiling protobuf-support v3.7.2
[INFO] [stderr]    Compiling tokio-metrics v0.4.0
[INFO] [stderr]    Compiling tokio-metrics-collector v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tokio_unstable`
[INFO] [stdout]   --> src/lib.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     all(tokio_unstable, feature = "rt"),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 34 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tokio_unstable`
[INFO] [stdout]    --> src/lib.rs:99:23
[INFO] [stdout]     |
[INFO] [stdout]  96 |   macro_rules! cfg_rt {
[INFO] [stdout] ...
[INFO] [stdout]  99 |               #[cfg(all(tokio_unstable, feature = "rt"))]
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 | / cfg_rt! {
[INFO] [stdout] 107 | |     mod runtime;
[INFO] [stdout] 108 | |     pub use runtime::default_collector as default_runtime_collector;
[INFO] [stdout] 109 | |     pub use runtime::RuntimeCollector;
[INFO] [stdout] 110 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.14s
[INFO] running `Command { std: "docker" "inspect" "1ad14690a510dac5f2bb404959f1f7d4b5e3931563cda018bc129d6f8c1567f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1ad14690a510dac5f2bb404959f1f7d4b5e3931563cda018bc129d6f8c1567f5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling http v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tracing v0.1.38
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling tokio v1.44.1
[INFO] [stderr]    Compiling prometheus v0.14.0
[INFO] [stderr]    Compiling http-body v1.0.0
[INFO] [stderr]    Compiling http-body-util v0.1.0
[INFO] [stderr]    Compiling axum-core v0.5.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_path_to_error v0.1.11
[INFO] [stderr]    Compiling tokio-stream v0.1.12
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tokio-metrics v0.4.0
[INFO] [stderr]    Compiling tokio-metrics-collector v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `tokio_unstable`
[INFO] [stdout]   --> src/lib.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     all(tokio_unstable, feature = "rt"),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 34 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tokio_unstable`
[INFO] [stdout]    --> src/lib.rs:99:23
[INFO] [stdout]     |
[INFO] [stdout]  96 |   macro_rules! cfg_rt {
[INFO] [stdout] ...
[INFO] [stdout]  99 |               #[cfg(all(tokio_unstable, feature = "rt"))]
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 | / cfg_rt! {
[INFO] [stdout] 107 | |     mod runtime;
[INFO] [stdout] 108 | |     pub use runtime::default_collector as default_runtime_collector;
[INFO] [stdout] 109 | |     pub use runtime::RuntimeCollector;
[INFO] [stdout] 110 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hyper-util v0.1.10
[INFO] [stderr]    Compiling axum v0.8.1
[INFO] [stdout] warning: unexpected `cfg` condition name: `tokio_unstable`
[INFO] [stdout]   --> src/lib.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     all(tokio_unstable, feature = "rt"),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 34 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `tokio_unstable`
[INFO] [stdout]    --> src/lib.rs:99:23
[INFO] [stdout]     |
[INFO] [stdout]  96 |   macro_rules! cfg_rt {
[INFO] [stdout] ...
[INFO] [stdout]  99 |               #[cfg(all(tokio_unstable, feature = "rt"))]
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 | / cfg_rt! {
[INFO] [stdout] 107 | |     mod runtime;
[INFO] [stdout] 108 | |     pub use runtime::default_collector as default_runtime_collector;
[INFO] [stdout] 109 | |     pub use runtime::RuntimeCollector;
[INFO] [stdout] 110 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tokio_unstable)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `default_runtime_collector` in crate `tokio_metrics_collector`
[INFO] [stdout]    --> examples/server.rs:13:38
[INFO] [stdout]     |
[INFO] [stdout]  13 |             tokio_metrics_collector::default_runtime_collector(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `tokio_metrics_collector`
[INFO] [stdout]     |
[INFO] [stdout] note: similarly named function `default_task_collector` defined here
[INFO] [stdout]    --> src/task.rs:475:1
[INFO] [stdout]     |
[INFO] [stdout] 475 | pub fn default_collector() -> &'static TaskCollector {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/lib.rs:108:43
[INFO] [stdout]     |
[INFO] [stdout]  99 |             #[cfg(all(tokio_unstable, feature = "rt"))]
[INFO] [stdout]     |                       -------------- the item is gated here
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub use runtime::default_collector as default_runtime_collector;
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: a function with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout]  13 -             tokio_metrics_collector::default_runtime_collector(),
[INFO] [stdout]  13 +             tokio_metrics_collector::default_task_collector(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-metrics-collector` (example "server") due to 1 previous error
[INFO] [stdout] warning: unused variable: `monitor`
[INFO] [stdout]    --> src/task.rs:486:13
[INFO] [stdout]     |
[INFO] [stdout] 486 |         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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ad14690a510dac5f2bb404959f1f7d4b5e3931563cda018bc129d6f8c1567f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad14690a510dac5f2bb404959f1f7d4b5e3931563cda018bc129d6f8c1567f5", kill_on_drop: false }`
[INFO] [stdout] 1ad14690a510dac5f2bb404959f1f7d4b5e3931563cda018bc129d6f8c1567f5
