[INFO] fetching crate tracing-betterstack 0.2.1...
[INFO] testing tracing-betterstack-0.2.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate tracing-betterstack 0.2.1 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-betterstack 0.2.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 194 packages to latest compatible versions
[INFO] [stderr]       Adding reqwest v0.12.28 (available: v0.13.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-serde v0.2.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8ea867c9c7792887a84adf0f922e598690c86c49063795a4752957d7c16ec9d
[INFO] running `Command { std: "docker" "start" "-a" "b8ea867c9c7792887a84adf0f922e598690c86c49063795a4752957d7c16ec9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8ea867c9c7792887a84adf0f922e598690c86c49063795a4752957d7c16ec9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ea867c9c7792887a84adf0f922e598690c86c49063795a4752957d7c16ec9d", kill_on_drop: false }`
[INFO] [stdout] b8ea867c9c7792887a84adf0f922e598690c86c49063795a4752957d7c16ec9d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 413bcdc81565a3fdc3ef5711bb574ff2fb66b78cd8c0d93098527f8fe1c6232a
[INFO] running `Command { std: "docker" "start" "-a" "413bcdc81565a3fdc3ef5711bb574ff2fb66b78cd8c0d93098527f8fe1c6232a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling openssl v0.10.78
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling hyper v1.9.0
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.28
[INFO] [stderr]    Compiling tracing-betterstack v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.76s
[INFO] running `Command { std: "docker" "inspect" "413bcdc81565a3fdc3ef5711bb574ff2fb66b78cd8c0d93098527f8fe1c6232a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413bcdc81565a3fdc3ef5711bb574ff2fb66b78cd8c0d93098527f8fe1c6232a", kill_on_drop: false }`
[INFO] [stdout] 413bcdc81565a3fdc3ef5711bb574ff2fb66b78cd8c0d93098527f8fe1c6232a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ec44589d137993825c26371d82137030e1ae755f8328c643cc65e6611418009
[INFO] running `Command { std: "docker" "start" "-a" "1ec44589d137993825c26371d82137030e1ae755f8328c643cc65e6611418009", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling hyper v1.9.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.28
[INFO] [stderr]    Compiling tracing-betterstack v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.37s
[INFO] running `Command { std: "docker" "inspect" "1ec44589d137993825c26371d82137030e1ae755f8328c643cc65e6611418009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec44589d137993825c26371d82137030e1ae755f8328c643cc65e6611418009", kill_on_drop: false }`
[INFO] [stdout] 1ec44589d137993825c26371d82137030e1ae755f8328c643cc65e6611418009
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8fe61c8dc0ebb25d36be2df7804dac726c5160687b6543f59c56f8c1ad2375a
[INFO] running `Command { std: "docker" "start" "-a" "f8fe61c8dc0ebb25d36be2df7804dac726c5160687b6543f59c56f8c1ad2375a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_betterstack-526d819fc66f5abd)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test client::tests::test_noop_client ... ok
[INFO] [stdout] test layer::tests::test_layer_basic_logging ... ok
[INFO] [stdout] test layer::tests::test_layer_with_spans ... ok
[INFO] [stdout] test tests::test_export_config ... ok
[INFO] [stdout] test tests::test_custom_formatting ... ok
[INFO] [stdout] test export::tests::test_batch_exporter_flushes_on_drop ... ok
[INFO] [stdout] test export::tests::test_export_config ... ok
[INFO] [stdout] test tests::test_interval_flush ... ok
[INFO] [stdout] test tests::test_basic_initialization ... ok
[INFO] [stdout] test client::tests::test_event_serialization ... ok
[INFO] [stdout] test dispatch::tests::test_sync_context ... 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 tests::test_batch_behavior ... 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 0.42s
[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" "f8fe61c8dc0ebb25d36be2df7804dac726c5160687b6543f59c56f8c1ad2375a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8fe61c8dc0ebb25d36be2df7804dac726c5160687b6543f59c56f8c1ad2375a", kill_on_drop: false }`
[INFO] [stdout] f8fe61c8dc0ebb25d36be2df7804dac726c5160687b6543f59c56f8c1ad2375a