[INFO] fetching crate tonic_prometheus_layer 0.2.1...
[INFO] testing tonic_prometheus_layer-0.2.1 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate tonic_prometheus_layer 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tonic_prometheus_layer 0.2.1
[INFO] finished tweaking crates.io crate tonic_prometheus_layer 0.2.1
[INFO] tweaked toml for crates.io crate tonic_prometheus_layer 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tonic_prometheus_layer 0.2.1 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tonic_prometheus_layer 0.2.1 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb0fb0a96b763414eefc7476584528573827ac1c8e990e36f1f7da0c924f06aa
[INFO] running `Command { std: "docker" "start" "-a" "eb0fb0a96b763414eefc7476584528573827ac1c8e990e36f1f7da0c924f06aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb0fb0a96b763414eefc7476584528573827ac1c8e990e36f1f7da0c924f06aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0fb0a96b763414eefc7476584528573827ac1c8e990e36f1f7da0c924f06aa", kill_on_drop: false }`
[INFO] [stdout] eb0fb0a96b763414eefc7476584528573827ac1c8e990e36f1f7da0c924f06aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a6a697a2e01f884a7d23a5cd9eac04c0a60739e4b969cf8f40b12e61d1e96b7
[INFO] running `Command { std: "docker" "start" "-a" "2a6a697a2e01f884a7d23a5cd9eac04c0a60739e4b969cf8f40b12e61d1e96b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.172
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[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling protobuf-support v3.7.2
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-stream v0.1.17
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[INFO] [stderr]    Compiling tower v0.5.2
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[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling hyper-util v0.1.13
[INFO] [stderr]    Compiling hyper-timeout v0.5.2
[INFO] [stderr]    Compiling tonic v0.13.1
[INFO] [stderr]    Compiling tonic_prometheus_layer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.06s
[INFO] running `Command { std: "docker" "inspect" "2a6a697a2e01f884a7d23a5cd9eac04c0a60739e4b969cf8f40b12e61d1e96b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a6a697a2e01f884a7d23a5cd9eac04c0a60739e4b969cf8f40b12e61d1e96b7", kill_on_drop: false }`
[INFO] [stdout] 2a6a697a2e01f884a7d23a5cd9eac04c0a60739e4b969cf8f40b12e61d1e96b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 919f0eab713fd2a5b31b92d554ea936ba78c073da9c89535333ff4de7610a64c
[INFO] running `Command { std: "docker" "start" "-a" "919f0eab713fd2a5b31b92d554ea936ba78c073da9c89535333ff4de7610a64c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling h2 v0.4.10
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling axum v0.8.8
[INFO] [stderr]    Compiling hyper v1.6.0
[INFO] [stderr]    Compiling hyper-util v0.1.13
[INFO] [stderr]    Compiling hyper-timeout v0.5.2
[INFO] [stderr]    Compiling tonic v0.13.1
[INFO] [stderr]    Compiling tonic-health v0.13.1
[INFO] [stderr]    Compiling tonic_prometheus_layer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.91s
[INFO] running `Command { std: "docker" "inspect" "919f0eab713fd2a5b31b92d554ea936ba78c073da9c89535333ff4de7610a64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "919f0eab713fd2a5b31b92d554ea936ba78c073da9c89535333ff4de7610a64c", kill_on_drop: false }`
[INFO] [stdout] 919f0eab713fd2a5b31b92d554ea936ba78c073da9c89535333ff4de7610a64c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16c15511378f44acda61614c85ec63cdc20a8a72fce81c6e79ac3eaa93a4f885
[INFO] running `Command { std: "docker" "start" "-a" "16c15511378f44acda61614c85ec63cdc20a8a72fce81c6e79ac3eaa93a4f885", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tonic_prometheus_layer-ea4ece77da60238d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tonic_prometheus_layer
[INFO] [stdout] running 1 test
[INFO] [stdout] test client::tests::simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 27) - compile ... FAILED
[INFO] [stdout] test src/client.rs - client::MetricsChannel<T>::new (line 87) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 101) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 27) stdout ----
[INFO] [stdout] error[E0583]: file not found for module `api`
[INFO] [stdout]   --> src/lib.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | mod api;
[INFO] [stdout]    | ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `api`, create file "src/api.rs" or "src/api/mod.rs"
[INFO] [stdout]    = note: if there is a `mod api` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `proto`
[INFO] [stdout]   --> src/lib.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | mod proto;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `proto`, create file "src/proto.rs" or "src/proto/mod.rs"
[INFO] [stdout]    = note: if there is a `mod proto` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rocket` in this scope
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use rocket::http::Status;
[INFO] [stdout]    |     ^^^^^^ use of unresolved module or unlinked crate `rocket`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rocket`, use `cargo add rocket` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rocket` in this scope
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use rocket::response::content::RawText;
[INFO] [stdout]    |     ^^^^^^ use of unresolved module or unlinked crate `rocket`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rocket`, use `cargo add rocket` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rocket` in this scope
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use rocket::config::Shutdown;
[INFO] [stdout]    |     ^^^^^^ use of unresolved module or unlinked crate `rocket`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rocket`, use `cargo add rocket` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rocket` in this scope
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use rocket::response::status::Custom;
[INFO] [stdout]    |     ^^^^^^ use of unresolved module or unlinked crate `rocket`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rocket`, use `cargo add rocket` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rocket`
[INFO] [stdout]   --> src/lib.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use rocket::{get, routes};
[INFO] [stdout]    |     ^^^^^^ use of unresolved module or unlinked crate `rocket`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rocket`, use `cargo add rocket` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rocket` in this scope
[INFO] [stdout]   --> src/lib.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let config = rocket::config::Config {
[INFO] [stdout]    |                  ^^^^^^ use of unresolved module or unlinked crate `rocket`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rocket`, use `cargo add rocket` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rocket` in this scope
[INFO] [stdout]   --> src/lib.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 |         ..rocket::config::Config::release_default()
[INFO] [stdout]    |           ^^^^^^ use of unresolved module or unlinked crate `rocket`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rocket`, use `cargo add rocket` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rocket` in this scope
[INFO] [stdout]   --> src/lib.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     rocket::custom(config)
[INFO] [stdout]    |     ^^^^^^ use of unresolved module or unlinked crate `rocket`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rocket`, use `cargo add rocket` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0583.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/client.rs - client::MetricsChannel<T>::new (line 87) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (69) panicked at src/client.rs:9:10:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: tonic::transport::Error(Transport, ConnectError(ConnectError("tcp connect error", 127.0.0.1:80, Os { code: 111, kind: ConnectionRefused, message: "Connection refused" })))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63783448b9da - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x63783448b9da - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x63783448b9da - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x63783448b9da - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x63783449e63a - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x63783449e63a - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x637834490062 - std[b80a194dd3c418bb]::io::default_write_fmt::<std[b80a194dd3c418bb]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x637834490062 - <std[b80a194dd3c418bb]::sys::stdio::unix::Stderr as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x637834471f6f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x637834471f6f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x637834483fe1 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x63783448425b - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x637834472028 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x637834469ab9 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x637834472e6d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x63783449ef1c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x63783449ec92 - core[10b6fa85044e1869]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x6378342438a9 - rust_out::main::{{closure}}::he905f4dd14c0ae61
[INFO] [stdout]   18:     0x637834242c36 - <core::pin::Pin<P> as core::future::future::Future>::poll::hfb51eacc04bd2f8a
[INFO] [stdout]   19:     0x63783423b7d6 - tokio::runtime::park::CachedParkThread::block_on::{{closure}}::h2020dcbc363bbb94
[INFO] [stdout]   20:     0x63783423ab66 - tokio::runtime::park::CachedParkThread::block_on::hb3ab83eebcf96fc9
[INFO] [stdout]   21:     0x63783423cafb - tokio::runtime::context::blocking::BlockingRegionGuard::block_on::h5d6fb1879d7d9673
[INFO] [stdout]   22:     0x63783423d121 - tokio::runtime::scheduler::multi_thread::MultiThread::block_on::{{closure}}::h9f92e90b2616aa1f
[INFO] [stdout]   23:     0x63783423bff3 - tokio::runtime::context::runtime::enter_runtime::h23fc0baa08140c9b
[INFO] [stdout]   24:     0x63783423d0bd - tokio::runtime::scheduler::multi_thread::MultiThread::block_on::h8926489153ab9276
[INFO] [stdout]   25:     0x63783423cdbd - tokio::runtime::runtime::Runtime::block_on_inner::hc94e2ffff1ccd177
[INFO] [stdout]   26:     0x63783423d069 - tokio::runtime::runtime::Runtime::block_on::h7c55788fe44c42b1
[INFO] [stdout]   27:     0x63783424356e - rust_out::main::hbc8fb3ef9073494f
[INFO] [stdout]   28:     0x6378342394d3 - core::ops::function::FnOnce::call_once::h8578f0c031e386ae
[INFO] [stdout]   29:     0x637834238586 - std::sys::backtrace::__rust_begin_short_backtrace::hb54d2daf111ce867
[INFO] [stdout]   30:     0x637834238569 - std::rt::lang_start::{{closure}}::h94e8fd5c8cccecfa
[INFO] [stdout]   31:     0x637834483534 - <&dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x637834483534 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<&dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x637834483534 - std[b80a194dd3c418bb]::panicking::catch_unwind::<i32, &dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x637834483534 - std[b80a194dd3c418bb]::panic::catch_unwind::<&dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x637834483534 - std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x637834483534 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x637834483534 - std[b80a194dd3c418bb]::panicking::catch_unwind::<isize, std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x637834483534 - std[b80a194dd3c418bb]::panic::catch_unwind::<std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x637834483534 - std[b80a194dd3c418bb]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x637834238551 - std::rt::lang_start::h7f170e4d70be7fa1
[INFO] [stdout]   41:     0x637834243a65 - main
[INFO] [stdout]   42:     0x7178044301ca - <unknown>
[INFO] [stdout]   43:     0x71780443028b - __libc_start_main
[INFO] [stdout]   44:     0x6378342381f5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 101) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (106) panicked at src/lib.rs:9:10:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: tonic::transport::Error(Transport, ConnectError(ConnectError("tcp connect error", 127.0.0.1:80, Os { code: 111, kind: ConnectionRefused, message: "Connection refused" })))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57e5fb7e69ca - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57e5fb7e69ca - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57e5fb7e69ca - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x57e5fb7e69ca - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x57e5fb7f962a - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x57e5fb7f962a - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x57e5fb7eb052 - std[b80a194dd3c418bb]::io::default_write_fmt::<std[b80a194dd3c418bb]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57e5fb7eb052 - <std[b80a194dd3c418bb]::sys::stdio::unix::Stderr as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x57e5fb7ccf5f - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x57e5fb7ccf5f - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x57e5fb7defd1 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x57e5fb7df24b - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x57e5fb7cd018 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x57e5fb7c4aa9 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x57e5fb7cde5d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x57e5fb7f9f0c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x57e5fb7f9c82 - core[10b6fa85044e1869]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x57e5fb59e899 - rust_out::main::{{closure}}::he905f4dd14c0ae61
[INFO] [stdout]   18:     0x57e5fb59dc26 - <core::pin::Pin<P> as core::future::future::Future>::poll::hfb51eacc04bd2f8a
[INFO] [stdout]   19:     0x57e5fb5967c6 - tokio::runtime::park::CachedParkThread::block_on::{{closure}}::h2020dcbc363bbb94
[INFO] [stdout]   20:     0x57e5fb595b56 - tokio::runtime::park::CachedParkThread::block_on::hb3ab83eebcf96fc9
[INFO] [stdout]   21:     0x57e5fb597aeb - tokio::runtime::context::blocking::BlockingRegionGuard::block_on::h5d6fb1879d7d9673
[INFO] [stdout]   22:     0x57e5fb598111 - tokio::runtime::scheduler::multi_thread::MultiThread::block_on::{{closure}}::h9f92e90b2616aa1f
[INFO] [stdout]   23:     0x57e5fb596fe3 - tokio::runtime::context::runtime::enter_runtime::h23fc0baa08140c9b
[INFO] [stdout]   24:     0x57e5fb5980ad - tokio::runtime::scheduler::multi_thread::MultiThread::block_on::h8926489153ab9276
[INFO] [stdout]   25:     0x57e5fb597dad - tokio::runtime::runtime::Runtime::block_on_inner::hc94e2ffff1ccd177
[INFO] [stdout]   26:     0x57e5fb598059 - tokio::runtime::runtime::Runtime::block_on::h7c55788fe44c42b1
[INFO] [stdout]   27:     0x57e5fb59e55e - rust_out::main::hbc8fb3ef9073494f
[INFO] [stdout]   28:     0x57e5fb5944c3 - core::ops::function::FnOnce::call_once::h8578f0c031e386ae
[INFO] [stdout]   29:     0x57e5fb593576 - std::sys::backtrace::__rust_begin_short_backtrace::hb54d2daf111ce867
[INFO] [stdout]   30:     0x57e5fb593559 - std::rt::lang_start::{{closure}}::h94e8fd5c8cccecfa
[INFO] [stdout]   31:     0x57e5fb7de524 - <&dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   32:     0x57e5fb7de524 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<&dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x57e5fb7de524 - std[b80a194dd3c418bb]::panicking::catch_unwind::<i32, &dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x57e5fb7de524 - std[b80a194dd3c418bb]::panic::catch_unwind::<&dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x57e5fb7de524 - std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/rt.rs:175:24
[INFO] [stdout]   36:     0x57e5fb7de524 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x57e5fb7de524 - std[b80a194dd3c418bb]::panicking::catch_unwind::<isize, std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x57e5fb7de524 - std[b80a194dd3c418bb]::panic::catch_unwind::<std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x57e5fb7de524 - std[b80a194dd3c418bb]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/rt.rs:171:5
[INFO] [stdout]   40:     0x57e5fb593541 - std::rt::lang_start::h7f170e4d70be7fa1
[INFO] [stdout]   41:     0x57e5fb59ea55 - main
[INFO] [stdout]   42:     0x7f880feab1ca - <unknown>
[INFO] [stdout]   43:     0x7f880feab28b - __libc_start_main
[INFO] [stdout]   44:     0x57e5fb5931e5 - _start
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/client.rs - client::MetricsChannel<T>::new (line 87)
[INFO] [stdout]     src/lib.rs - (line 101)
[INFO] [stdout]     src/lib.rs - (line 27)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.95s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "16c15511378f44acda61614c85ec63cdc20a8a72fce81c6e79ac3eaa93a4f885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c15511378f44acda61614c85ec63cdc20a8a72fce81c6e79ac3eaa93a4f885", kill_on_drop: false }`
[INFO] [stdout] 16c15511378f44acda61614c85ec63cdc20a8a72fce81c6e79ac3eaa93a4f885
