[INFO] fetching crate tracing-logstash 0.7.0...
[INFO] testing tracing-logstash-0.7.0 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate tracing-logstash 0.7.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate tracing-logstash 0.7.0 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53dcced4b8de24606b5dabca43f3046ec799094a05df50103130172e44ee9879
[INFO] running `Command { std: "docker" "start" "-a" "53dcced4b8de24606b5dabca43f3046ec799094a05df50103130172e44ee9879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53dcced4b8de24606b5dabca43f3046ec799094a05df50103130172e44ee9879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53dcced4b8de24606b5dabca43f3046ec799094a05df50103130172e44ee9879", kill_on_drop: false }`
[INFO] [stdout] 53dcced4b8de24606b5dabca43f3046ec799094a05df50103130172e44ee9879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62cb35cb2969db29bed7467ed89a09af84a419d4e824aed9ecdb276f597f5ed9
[INFO] running `Command { std: "docker" "start" "-a" "62cb35cb2969db29bed7467ed89a09af84a419d4e824aed9ecdb276f597f5ed9", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling time-core v0.1.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling time v0.3.39
[INFO] [stderr]    Compiling tracing-logstash v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `record_event` is never used
[INFO] [stdout]  --> src/event_recorder.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait EventRecorder {
[INFO] [stdout]   |           ------------- method in this trait
[INFO] [stdout] 7 |     fn record_event(&mut self, event: &Event<'_>);
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "62cb35cb2969db29bed7467ed89a09af84a419d4e824aed9ecdb276f597f5ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cb35cb2969db29bed7467ed89a09af84a419d4e824aed9ecdb276f597f5ed9", kill_on_drop: false }`
[INFO] [stdout] 62cb35cb2969db29bed7467ed89a09af84a419d4e824aed9ecdb276f597f5ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41b5f149caad1992f9ce0b50dafce79c67a76957a65b9cad55c90fa582af8c3c
[INFO] running `Command { std: "docker" "start" "-a" "41b5f149caad1992f9ce0b50dafce79c67a76957a65b9cad55c90fa582af8c3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling time-macros v0.2.20
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling time v0.3.39
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling tracing-logstash v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `record_event` is never used
[INFO] [stdout]  --> src/event_recorder.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait EventRecorder {
[INFO] [stdout]   |           ------------- method in this trait
[INFO] [stdout] 7 |     fn record_event(&mut self, event: &Event<'_>);
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `record_event` is never used
[INFO] [stdout]  --> src/event_recorder.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait EventRecorder {
[INFO] [stdout]   |           ------------- method in this trait
[INFO] [stdout] 7 |     fn record_event(&mut self, event: &Event<'_>);
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.11s
[INFO] running `Command { std: "docker" "inspect" "41b5f149caad1992f9ce0b50dafce79c67a76957a65b9cad55c90fa582af8c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b5f149caad1992f9ce0b50dafce79c67a76957a65b9cad55c90fa582af8c3c", kill_on_drop: false }`
[INFO] [stdout] 41b5f149caad1992f9ce0b50dafce79c67a76957a65b9cad55c90fa582af8c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f45fca57226eb7f3332c35c0bf1f074285f93c2fcbc04df452aee0e3ddd9067f
[INFO] running `Command { std: "docker" "start" "-a" "f45fca57226eb7f3332c35c0bf1f074285f93c2fcbc04df452aee0e3ddd9067f", kill_on_drop: false }`
[INFO] [stderr] warning: method `record_event` is never used
[INFO] [stderr]  --> src/event_recorder.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub trait EventRecorder {
[INFO] [stderr]   |           ------------- method in this trait
[INFO] [stderr] 7 |     fn record_event(&mut self, event: &Event<'_>);
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` 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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_logstash-e57360777c091199)
[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 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/output.rs (/opt/rustwide/target/debug/deps/output-e47ac91156bc75d0)
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests tracing_logstash
[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 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/logstash.rs - logstash::LogstashFormat (line 20) ... 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<FC,SF>::with_constants (line 161) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f45fca57226eb7f3332c35c0bf1f074285f93c2fcbc04df452aee0e3ddd9067f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45fca57226eb7f3332c35c0bf1f074285f93c2fcbc04df452aee0e3ddd9067f", kill_on_drop: false }`
[INFO] [stdout] f45fca57226eb7f3332c35c0bf1f074285f93c2fcbc04df452aee0e3ddd9067f