[INFO] fetching crate synaptic-langfuse 0.4.0...
[INFO] testing synaptic-langfuse-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate synaptic-langfuse 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate synaptic-langfuse 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate synaptic-langfuse 0.4.0
[INFO] tweaked toml for crates.io crate synaptic-langfuse 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synaptic-langfuse 0.4.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate synaptic-langfuse 0.4.0 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" "+beta-2026-04-21" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26d79a1f73f91c0a820bee065faa5d5b78e879e5fcf3d65ad10456e3587cd603
[INFO] running `Command { std: "docker" "start" "-a" "26d79a1f73f91c0a820bee065faa5d5b78e879e5fcf3d65ad10456e3587cd603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d79a1f73f91c0a820bee065faa5d5b78e879e5fcf3d65ad10456e3587cd603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d79a1f73f91c0a820bee065faa5d5b78e879e5fcf3d65ad10456e3587cd603", kill_on_drop: false }`
[INFO] [stdout] 26d79a1f73f91c0a820bee065faa5d5b78e879e5fcf3d65ad10456e3587cd603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a27b88869eeaaaa6de367c86d4e46371f817e071c04c714c8524bcfe0c9875d
[INFO] running `Command { std: "docker" "start" "-a" "2a27b88869eeaaaa6de367c86d4e46371f817e071c04c714c8524bcfe0c9875d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling aws-lc-rs v1.16.0
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling iri-string v0.7.10
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling uuid v1.21.0
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling aws-lc-sys v0.37.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling synaptic-core v0.4.0
[INFO] [stderr]    Compiling h2 v0.4.13
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling hyper v1.8.1
[INFO] [stderr]    Compiling rustls-webpki v0.103.9
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling rustls-platform-verifier v0.6.2
[INFO] [stderr]    Compiling hyper-rustls v0.27.7
[INFO] [stderr]    Compiling reqwest v0.13.2
[INFO] [stderr]    Compiling synaptic-langfuse v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "2a27b88869eeaaaa6de367c86d4e46371f817e071c04c714c8524bcfe0c9875d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a27b88869eeaaaa6de367c86d4e46371f817e071c04c714c8524bcfe0c9875d", kill_on_drop: false }`
[INFO] [stdout] 2a27b88869eeaaaa6de367c86d4e46371f817e071c04c714c8524bcfe0c9875d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9edb8f44ad44a4235fab188e6123d40ae1c77c791119f3d6e0b5d238f6094b1b
[INFO] running `Command { std: "docker" "start" "-a" "9edb8f44ad44a4235fab188e6123d40ae1c77c791119f3d6e0b5d238f6094b1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling synaptic-langfuse v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "9edb8f44ad44a4235fab188e6123d40ae1c77c791119f3d6e0b5d238f6094b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9edb8f44ad44a4235fab188e6123d40ae1c77c791119f3d6e0b5d238f6094b1b", kill_on_drop: false }`
[INFO] [stdout] 9edb8f44ad44a4235fab188e6123d40ae1c77c791119f3d6e0b5d238f6094b1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97992a10b7869a137834d69db2f379b45dc63aaa8d1b078d05710d299edee242
[INFO] running `Command { std: "docker" "start" "-a" "97992a10b7869a137834d69db2f379b45dc63aaa8d1b078d05710d299edee242", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/synaptic_langfuse-d1f8b74abf333379)
[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] [stderr]      Running tests/langfuse_basic.rs (/opt/rustwide/target/debug/deps/langfuse_basic-51c179ae9233038d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test config_builder ... ok
[INFO] [stdout] test flush_integration ... ignored
[INFO] [stdout] test callback_creation ... ok
[INFO] [stderr]      Running tests/langfuse_config.rs (/opt/rustwide/target/debug/deps/langfuse_config-ff751a079473bb03)
[INFO] [stdout] test flush_empty_noop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test keys_stored ... ok
[INFO] [stdout] test default_host ... ok
[INFO] [stdout] test custom_host ... ok
[INFO] [stdout] test flush_batch_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synaptic_langfuse
[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" "97992a10b7869a137834d69db2f379b45dc63aaa8d1b078d05710d299edee242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97992a10b7869a137834d69db2f379b45dc63aaa8d1b078d05710d299edee242", kill_on_drop: false }`
[INFO] [stdout] 97992a10b7869a137834d69db2f379b45dc63aaa8d1b078d05710d299edee242
