[INFO] fetching crate tracing-betterstack 0.2.1...
[INFO] testing tracing-betterstack-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tracing-betterstack 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tracing-betterstack 0.2.1
[INFO] finished tweaking crates.io crate tracing-betterstack 0.2.1
[INFO] tweaked toml for crates.io crate tracing-betterstack 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-betterstack 0.2.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 187 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b15f4e05687fbc98339759ba9ac4056f962d07751ca564e6cf4e2e731982fb61
[INFO] running `Command { std: "docker" "start" "-a" "b15f4e05687fbc98339759ba9ac4056f962d07751ca564e6cf4e2e731982fb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b15f4e05687fbc98339759ba9ac4056f962d07751ca564e6cf4e2e731982fb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15f4e05687fbc98339759ba9ac4056f962d07751ca564e6cf4e2e731982fb61", kill_on_drop: false }`
[INFO] [stdout] b15f4e05687fbc98339759ba9ac4056f962d07751ca564e6cf4e2e731982fb61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab6aa5527d396d81e35cdbfacff57c2308a927a45cddd22cb59e86441dfa77a6
[INFO] running `Command { std: "docker" "start" "-a" "ab6aa5527d396d81e35cdbfacff57c2308a927a45cddd22cb59e86441dfa77a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl-sys v0.9.110
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling iri-string v0.7.9
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling rustls-pki-types v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.24
[INFO] [stderr]    Compiling tracing-betterstack v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.02s
[INFO] running `Command { std: "docker" "inspect" "ab6aa5527d396d81e35cdbfacff57c2308a927a45cddd22cb59e86441dfa77a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6aa5527d396d81e35cdbfacff57c2308a927a45cddd22cb59e86441dfa77a6", kill_on_drop: false }`
[INFO] [stdout] ab6aa5527d396d81e35cdbfacff57c2308a927a45cddd22cb59e86441dfa77a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ad8cda70748bf52ffef59ebf96b21ae413b3cdaf5e6c583b0deaaefa3d8bbb7
[INFO] running `Command { std: "docker" "start" "-a" "1ad8cda70748bf52ffef59ebf96b21ae413b3cdaf5e6c583b0deaaefa3d8bbb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.24
[INFO] [stderr]    Compiling tracing-betterstack v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.06s
[INFO] running `Command { std: "docker" "inspect" "1ad8cda70748bf52ffef59ebf96b21ae413b3cdaf5e6c583b0deaaefa3d8bbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad8cda70748bf52ffef59ebf96b21ae413b3cdaf5e6c583b0deaaefa3d8bbb7", kill_on_drop: false }`
[INFO] [stdout] 1ad8cda70748bf52ffef59ebf96b21ae413b3cdaf5e6c583b0deaaefa3d8bbb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c944b4d6f7bad354f8f8eee6529bd77f3bfe705bdee5024efb17986aa92fccb
[INFO] running `Command { std: "docker" "start" "-a" "3c944b4d6f7bad354f8f8eee6529bd77f3bfe705bdee5024efb17986aa92fccb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_betterstack-8d7713088861715a)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test client::tests::test_noop_client ... ok
[INFO] [stdout] test client::tests::test_event_serialization ... ok
[INFO] [stdout] test tests::test_batch_behavior ... ok
[INFO] [stdout] test export::tests::test_batch_exporter_flushes_on_drop ... ok
[INFO] [stdout] test tests::test_custom_formatting ... ok
[INFO] [stdout] test export::tests::test_export_config ... ok
[INFO] [stdout] test layer::tests::test_layer_basic_logging ... ok
[INFO] [stdout] test tests::test_interval_flush ... ok
[INFO] [stdout] test dispatch::tests::test_sync_context ... ok
[INFO] [stdout] test tests::test_basic_initialization ... ok
[INFO] [stdout] test tests::test_export_config ... ok
[INFO] [stdout] test layer::tests::test_layer_with_spans ... ok
[INFO] [stdout] test export::tests::test_batch_exporter_sends_on_full_batch ... ok
[INFO] [stdout] test export::tests::test_batch_exporter_sends_on_interval ... ok
[INFO] [stdout] test dispatch::tests::test_async_context ... ok
[INFO] [stdout] test client::tests::test_client_new ... ok
[INFO] [stdout] test client::tests::test_client_with_custom_http_client ... ok
[INFO] [stdout] test client::tests::test_client_empty_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing_betterstack
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "3c944b4d6f7bad354f8f8eee6529bd77f3bfe705bdee5024efb17986aa92fccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c944b4d6f7bad354f8f8eee6529bd77f3bfe705bdee5024efb17986aa92fccb", kill_on_drop: false }`
[INFO] [stdout] 3c944b4d6f7bad354f8f8eee6529bd77f3bfe705bdee5024efb17986aa92fccb