[INFO] fetching crate easy-tracing 0.2.0...
[INFO] testing easy-tracing-0.2.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate easy-tracing 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate easy-tracing 0.2.0
[INFO] finished tweaking crates.io crate easy-tracing 0.2.0
[INFO] tweaked toml for crates.io crate easy-tracing 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate easy-tracing 0.2.0 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 easy-tracing 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467
[INFO] running `Command { std: "docker" "start" "f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467", 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" "f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467" "/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" "f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467", 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" "f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
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[INFO] [stderr]    Compiling icu_normalizer v2.1.1
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[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling idna_adapter v1.2.1
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[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling rustls-webpki v0.103.8
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling prost v0.13.5
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling opentelemetry_sdk v0.30.0
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling axum-core v0.5.5
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling hyper v1.8.1
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling tracing-opentelemetry v0.31.0
[INFO] [stderr]    Compiling hyper-util v0.1.18
[INFO] [stderr]    Compiling hyper-rustls v0.27.7
[INFO] [stderr]    Compiling hyper-timeout v0.5.2
[INFO] [stderr]    Compiling reqwest v0.12.24
[INFO] [stderr]    Compiling tonic v0.13.1
[INFO] [stderr]    Compiling axum v0.8.7
[INFO] [stderr]    Compiling opentelemetry-http v0.30.0
[INFO] [stderr]    Compiling opentelemetry-proto v0.30.0
[INFO] [stderr]    Compiling reqwest-middleware v0.4.2
[INFO] [stderr]    Compiling opentelemetry-otlp v0.30.0
[INFO] [stderr]    Compiling easy-tracing v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static `TRACER` is never used
[INFO] [stdout]   --> src/lib.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | static TRACER: LazyLock<BoxedTracer> =
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `axum`
[INFO] [stderr]  --> Cargo.toml:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | [dependencies.axum]
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `axum`
[INFO] [stderr] warning: unused dependency `reqwest-middleware`
[INFO] [stderr]   --> Cargo.toml:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 | [dependencies.reqwest-middleware]
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `reqwest-middleware`
[INFO] [stderr] warning: `easy-tracing` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 4m 36s
[INFO] running `Command { std: "docker" "inspect" "f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467", 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" "f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-tracing v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static `TRACER` is never used
[INFO] [stdout]   --> src/lib.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | static TRACER: LazyLock<BoxedTracer> =
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `TRACER` is never used
[INFO] [stdout]   --> src/lib.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | static TRACER: LazyLock<BoxedTracer> =
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `axum`
[INFO] [stderr]  --> Cargo.toml:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | [dependencies.axum]
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `axum`
[INFO] [stderr] warning: unused dependency `reqwest-middleware`
[INFO] [stderr]   --> Cargo.toml:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 | [dependencies.reqwest-middleware]
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `reqwest-middleware`
[INFO] [stderr] warning: `easy-tracing` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467", 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" "f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: static `TRACER` is never used
[INFO] [stderr]   --> src/lib.rs:76:8
[INFO] [stderr]    |
[INFO] [stderr] 76 | static TRACER: LazyLock<BoxedTracer> =
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `easy-tracing` (lib) generated 1 warning
[INFO] [stderr] warning: `easy-tracing` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused dependency `axum`
[INFO] [stderr]  --> Cargo.toml:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | [dependencies.axum]
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `axum`
[INFO] [stderr] warning: unused dependency `reqwest-middleware`
[INFO] [stderr]   --> Cargo.toml:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 | [dependencies.reqwest-middleware]
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `reqwest-middleware`
[INFO] [stderr] warning: `easy-tracing` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.29s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/easy-tracing/30eb44fd5154264b/out/easy_tracing-30eb44fd5154264b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests easy_tracing
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 4) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (2520) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/hyper-util-0.1.18/src/rt/tokio.rs:115:9:
[INFO] [stdout] there is no reactor running, must be called from the context of a Tokio 1.x runtime
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x566d0520f3f1 - std[617be2ca0a6fd877]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x566d0520f3f1 - std[617be2ca0a6fd877]::backtrace_rs::backtrace::trace_unsynchronized::<std[617be2ca0a6fd877]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x566d0520f3f1 - std[617be2ca0a6fd877]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x566d0520f3f1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x566d0522646a - <core[a373ad73a504971]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x566d0522646a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    6:     0x566d05214b6c - core[a373ad73a504971]::io::write::default_write_fmt::<std[617be2ca0a6fd877]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/io/write.rs:402:11
[INFO] [stdout]    7:     0x566d05214b6c - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/io/write.rs:335:13
[INFO] [stdout]    8:     0x566d051ea606 - <std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x566d051ea606 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:289:27
[INFO] [stdout]   10:     0x566d05207191 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x566d052074bb - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:811:13
[INFO] [stdout]   12:     0x566d051ea6b2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:685:13
[INFO] [stdout]   13:     0x566d051e3239 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x566d051eb62d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:676:5
[INFO] [stdout]   15:     0x566d05226c8c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x566d050adae7 - tokio[981e56531c2f9035]::task::spawn::spawn::<core[a373ad73a504971]::pin::Pin<alloc[2e1b2a31b91974c5]::boxed::Box<dyn core[a373ad73a504971]::future::future::Future<Output = ()> + core[a373ad73a504971]::marker::Send>>>
[INFO] [stdout]   17:     0x566d050b3366 - <hyper_util[aa636b4e86b3a6e9]::rt::tokio::TokioExecutor as hyper[941c1f2b7eca4fa4]::rt::Executor<core[a373ad73a504971]::pin::Pin<alloc[2e1b2a31b91974c5]::boxed::Box<dyn core[a373ad73a504971]::future::future::Future<Output = ()> + core[a373ad73a504971]::marker::Send>>>>::execute
[INFO] [stdout]   18:     0x566d0508cbea - <tonic[926f6e6f9b8a201d]::transport::channel::Channel>::new::<tonic[926f6e6f9b8a201d]::transport::channel::service::connector::Connector<hyper_util[aa636b4e86b3a6e9]::client::legacy::connect::http::HttpConnector>>
[INFO] [stdout]   19:     0x566d050e699e - <tonic[926f6e6f9b8a201d]::transport::channel::endpoint::Endpoint>::connect_lazy
[INFO] [stdout]   20:     0x566d0506acf5 - <opentelemetry_otlp[3ccf8a99f0ea1271]::exporter::tonic::TonicExporterBuilder>::build_channel
[INFO] [stdout]   21:     0x566d0506bf1c - <opentelemetry_otlp[3ccf8a99f0ea1271]::exporter::tonic::TonicExporterBuilder>::build_span_exporter
[INFO] [stdout]   22:     0x566d0507923c - <opentelemetry_otlp[3ccf8a99f0ea1271]::span::SpanExporterBuilder<opentelemetry_otlp[3ccf8a99f0ea1271]::TonicExporterBuilderSet>>::build
[INFO] [stdout]   23:     0x566d04f9b0bf - easy_tracing[2dd9d1a38bf3b46]::init
[INFO] [stdout]   24:     0x566d04f99314 - doctest_bundle_2024[8cc95805e96201d2]::__doctest_0::main
[INFO] [stdout]   25:     0x566d04f9931e - doctest_bundle_2024[8cc95805e96201d2]::__doctest_0::__main_fn
[INFO] [stdout]   26:     0x566d04f94b30 - doctest_runner_2024[a5234fb354d81c5]::__doctest_0::TEST::{closure#0}
[INFO] [stdout]   27:     0x566d04f98fc6 - <doctest_runner_2024[a5234fb354d81c5]::__doctest_0::TEST::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   28:     0x566d04f94f25 - doctest_runner_2024[a5234fb354d81c5]::main
[INFO] [stdout]   29:     0x566d04f98ef3 - <fn() -> std[617be2ca0a6fd877]::process::ExitCode as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   30:     0x566d04f9405e - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> std[617be2ca0a6fd877]::process::ExitCode, std[617be2ca0a6fd877]::process::ExitCode>
[INFO] [stdout]   31:     0x566d04f94949 - std[617be2ca0a6fd877]::rt::lang_start::<std[617be2ca0a6fd877]::process::ExitCode>::{closure#0}
[INFO] [stdout]   32:     0x566d052061b8 - <&dyn core[a373ad73a504971]::ops::function::Fn<(), Output = i32> + core[a373ad73a504971]::marker::Sync + core[a373ad73a504971]::panic::unwind_safe::RefUnwindSafe as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   33:     0x566d052061b8 - std[617be2ca0a6fd877]::panicking::catch_unwind::do_call::<&dyn core[a373ad73a504971]::ops::function::Fn<(), Output = i32> + core[a373ad73a504971]::marker::Sync + core[a373ad73a504971]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:573:43
[INFO] [stdout]   34:     0x566d052061b8 - std[617be2ca0a6fd877]::panicking::catch_unwind::<i32, &dyn core[a373ad73a504971]::ops::function::Fn<(), Output = i32> + core[a373ad73a504971]::marker::Sync + core[a373ad73a504971]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:541:19
[INFO] [stdout]   35:     0x566d052061b8 - std[617be2ca0a6fd877]::panic::catch_unwind::<&dyn core[a373ad73a504971]::ops::function::Fn<(), Output = i32> + core[a373ad73a504971]::marker::Sync + core[a373ad73a504971]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panic.rs:359:14
[INFO] [stdout]   36:     0x566d052061b8 - std[617be2ca0a6fd877]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/rt.rs:175:24
[INFO] [stdout]   37:     0x566d052061b8 - std[617be2ca0a6fd877]::panicking::catch_unwind::do_call::<std[617be2ca0a6fd877]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:573:43
[INFO] [stdout]   38:     0x566d052061b8 - std[617be2ca0a6fd877]::panicking::catch_unwind::<isize, std[617be2ca0a6fd877]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:541:19
[INFO] [stdout]   39:     0x566d052061b8 - std[617be2ca0a6fd877]::panic::catch_unwind::<std[617be2ca0a6fd877]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x566d052061b8 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/rt.rs:171:5
[INFO] [stdout]   41:     0x566d04f935c1 - std[617be2ca0a6fd877]::rt::lang_start::<std[617be2ca0a6fd877]::process::ExitCode>
[INFO] [stdout]   42:     0x566d04f992b5 - main
[INFO] [stdout]   43:     0x764f697d6601 - <unknown>
[INFO] [stdout]   44:     0x764f697d6718 - __libc_start_main
[INFO] [stdout]   45:     0x566d04f92765 - _start
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.73s; merged doctests compilation took 0.66s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467", kill_on_drop: false }`
[INFO] [stdout] f18187d9fcac46df0925c5e8caa2e54fe0acb4b62adef1ee730a9abe2a8e5467
