[INFO] fetching crate tracing_json_span_fields 0.1.1... [INFO] testing tracing_json_span_fields-0.1.1 against 1.91.0 for beta-1.92-2 [INFO] extracting crate tracing_json_span_fields 0.1.1 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate tracing_json_span_fields 0.1.1 [INFO] finished tweaking crates.io crate tracing_json_span_fields 0.1.1 [INFO] tweaked toml for crates.io crate tracing_json_span_fields 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tracing_json_span_fields 0.1.1 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "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 34 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0992502c51f351f0cc23d97bfe0a8a52ca12c4d77bcbd80edd099602804e8d99 [INFO] running `Command { std: "docker" "start" "-a" "0992502c51f351f0cc23d97bfe0a8a52ca12c4d77bcbd80edd099602804e8d99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0992502c51f351f0cc23d97bfe0a8a52ca12c4d77bcbd80edd099602804e8d99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0992502c51f351f0cc23d97bfe0a8a52ca12c4d77bcbd80edd099602804e8d99", kill_on_drop: false }` [INFO] [stdout] 0992502c51f351f0cc23d97bfe0a8a52ca12c4d77bcbd80edd099602804e8d99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 855784603c5240cd08e97bd9dc0a9dd03fb4d0599a2e39af8d7a31f1572dbd65 [INFO] running `Command { std: "docker" "start" "-a" "855784603c5240cd08e97bd9dc0a9dd03fb4d0599a2e39af8d7a31f1572dbd65", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling nu-ansi-term v0.50.3 [INFO] [stderr] Compiling deranged v0.5.5 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling tracing-subscriber v0.3.20 [INFO] [stderr] Compiling time v0.3.44 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling tracing_json_span_fields v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.69s [INFO] running `Command { std: "docker" "inspect" "855784603c5240cd08e97bd9dc0a9dd03fb4d0599a2e39af8d7a31f1572dbd65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "855784603c5240cd08e97bd9dc0a9dd03fb4d0599a2e39af8d7a31f1572dbd65", kill_on_drop: false }` [INFO] [stdout] 855784603c5240cd08e97bd9dc0a9dd03fb4d0599a2e39af8d7a31f1572dbd65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 14999cab307a90a84f0868e7f95af30221f9f1d0e927196587618bdc80e4c3c1 [INFO] running `Command { std: "docker" "start" "-a" "14999cab307a90a84f0868e7f95af30221f9f1d0e927196587618bdc80e4c3c1", kill_on_drop: false }` [INFO] [stderr] Compiling time v0.3.44 [INFO] [stderr] Compiling tracing_json_span_fields v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.88s [INFO] running `Command { std: "docker" "inspect" "14999cab307a90a84f0868e7f95af30221f9f1d0e927196587618bdc80e4c3c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14999cab307a90a84f0868e7f95af30221f9f1d0e927196587618bdc80e4c3c1", kill_on_drop: false }` [INFO] [stdout] 14999cab307a90a84f0868e7f95af30221f9f1d0e927196587618bdc80e4c3c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.91.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c2ec464c78c24fa4d08269a657fd53c0772c41d82f331096398af5da53eac20b [INFO] running `Command { std: "docker" "start" "-a" "c2ec464c78c24fa4d08269a657fd53c0772c41d82f331096398af5da53eac20b", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_json_span_fields-637d5c4e1db41aae) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test tests::custom_timestamp ... ok [INFO] [stdout] test tests::logging_levels_off ... ok [INFO] [stdout] test tests::logging_levels ... ok [INFO] [stdout] 2025-11-05T06:39:12.783993Z  INFO tracing_json_span_fields::tests: BEFORE [INFO] [stdout] at src/lib.rs:383 [INFO] [stdout] [INFO] [stdout] 2025-11-05T06:39:12.784303Z  INFO tracing_json_span_fields::tests: AFTER [INFO] [stdout] at src/lib.rs:393 [INFO] [stdout] [INFO] [stdout] test tests::one_span_recorded_field_overwriting_initial_field ... ok [INFO] [stdout] test tests::two_events_from_two_spans ... ok [INFO] [stdout] test tests::one_span_some_fields ... ok [INFO] [stdout] test tests::without_any_spans ... ok [INFO] [stdout] test tests::two_spans_same_fields ... ok [INFO] [stdout] test tests::one_span_recorded_field ... ok [INFO] [stdout] test tests::logging_levels_trace ... ok [INFO] [stdout] test tests::two_spans_different_fields ... ok [INFO] [stdout] test tests::two_spans_same_fields_including_event ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests tracing_json_span_fields [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 7) ... ok [INFO] [stdout] test src/lib.rs - (line 32) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c2ec464c78c24fa4d08269a657fd53c0772c41d82f331096398af5da53eac20b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2ec464c78c24fa4d08269a657fd53c0772c41d82f331096398af5da53eac20b", kill_on_drop: false }` [INFO] [stdout] c2ec464c78c24fa4d08269a657fd53c0772c41d82f331096398af5da53eac20b