[INFO] fetching crate tracing-logstash 0.7.0...
[INFO] testing tracing-logstash-0.7.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tracing-logstash 0.7.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tracing-logstash 0.7.0
[INFO] finished tweaking crates.io crate tracing-logstash 0.7.0
[INFO] tweaked toml for crates.io crate tracing-logstash 0.7.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-logstash 0.7.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 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-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7916dcbba37352612d3b995cfc8f448e6a2786f79cb03a40e02407a537d6b57e
[INFO] running `Command { std: "docker" "start" "-a" "7916dcbba37352612d3b995cfc8f448e6a2786f79cb03a40e02407a537d6b57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7916dcbba37352612d3b995cfc8f448e6a2786f79cb03a40e02407a537d6b57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7916dcbba37352612d3b995cfc8f448e6a2786f79cb03a40e02407a537d6b57e", kill_on_drop: false }`
[INFO] [stdout] 7916dcbba37352612d3b995cfc8f448e6a2786f79cb03a40e02407a537d6b57e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6db0d9698862bf7d890731997754052cc16ce78f2d4bf23c7e042b6729507ace
[INFO] running `Command { std: "docker" "start" "-a" "6db0d9698862bf7d890731997754052cc16ce78f2d4bf23c7e042b6729507ace", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling tracing-logstash v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `EventRecorder` is never used
[INFO] [stdout]  --> src/event_recorder.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait EventRecorder {
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "6db0d9698862bf7d890731997754052cc16ce78f2d4bf23c7e042b6729507ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db0d9698862bf7d890731997754052cc16ce78f2d4bf23c7e042b6729507ace", kill_on_drop: false }`
[INFO] [stdout] 6db0d9698862bf7d890731997754052cc16ce78f2d4bf23c7e042b6729507ace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d2c7649411d9854ba729c7197d725757c0169ae6d4e4c666813c51afb05e169e
[INFO] running `Command { std: "docker" "start" "-a" "d2c7649411d9854ba729c7197d725757c0169ae6d4e4c666813c51afb05e169e", kill_on_drop: false }`
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracing-logstash v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `EventRecorder` is never used
[INFO] [stdout]  --> src/event_recorder.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait EventRecorder {
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EventRecorder` is never used
[INFO] [stdout]  --> src/event_recorder.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait EventRecorder {
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.17s
[INFO] running `Command { std: "docker" "inspect" "d2c7649411d9854ba729c7197d725757c0169ae6d4e4c666813c51afb05e169e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2c7649411d9854ba729c7197d725757c0169ae6d4e4c666813c51afb05e169e", kill_on_drop: false }`
[INFO] [stdout] d2c7649411d9854ba729c7197d725757c0169ae6d4e4c666813c51afb05e169e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d5a3e58367467a51f9b8e5345feb20a15c4e7d4eeac18469e3f0633b0864c32e
[INFO] running `Command { std: "docker" "start" "-a" "d5a3e58367467a51f9b8e5345feb20a15c4e7d4eeac18469e3f0633b0864c32e", kill_on_drop: false }`
[INFO] [stderr] warning: trait `EventRecorder` is never used
[INFO] [stderr]  --> src/event_recorder.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub trait EventRecorder {
[INFO] [stderr]   |           ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tracing-logstash` (lib) generated 1 warning
[INFO] [stderr] warning: `tracing-logstash` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_logstash-485a0bfff2ffb954)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test logstash::test::test_serialize_log_timestamp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/output.rs (/opt/rustwide/target/debug/deps/output-bd9fce4d97b67d0a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test simple_log_format ... ok
[INFO] [stdout] test simple_log_format_with_dynamic_fields ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing_logstash
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/logstash.rs - logstash::LogstashFormat<FC,SF>::with_constants (line 161) ... ok
[INFO] [stdout] test src/logstash.rs - logstash::LogstashFormat<FC,SF>::with_field_contributor (line 119) ... ok
[INFO] [stdout] test src/logstash.rs - logstash::LogstashFormat (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5a3e58367467a51f9b8e5345feb20a15c4e7d4eeac18469e3f0633b0864c32e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a3e58367467a51f9b8e5345feb20a15c4e7d4eeac18469e3f0633b0864c32e", kill_on_drop: false }`
[INFO] [stdout] d5a3e58367467a51f9b8e5345feb20a15c4e7d4eeac18469e3f0633b0864c32e
