[INFO] fetching crate traceon 0.4.0...
[INFO] checking traceon-0.4.0 against master#a33907a7a5381473eec8bcfa0c56e05a856a911c for pr-151539
[INFO] extracting crate traceon 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate traceon 0.4.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate traceon 0.4.0
[INFO] tweaked toml for crates.io crate traceon 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate traceon 0.4.0 on toolchain a33907a7a5381473eec8bcfa0c56e05a856a911c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate traceon 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" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opentelemetry-otlp v0.30.0
[INFO] [stderr]   Downloaded opentelemetry-http v0.30.0
[INFO] [stderr]   Downloaded claims v0.8.0
[INFO] [stderr]   Downloaded opentelemetry-stdout v0.30.0
[INFO] [stderr]   Downloaded opentelemetry-proto v0.30.0
[INFO] [stderr]   Downloaded tracing-opentelemetry v0.31.0
[INFO] [stderr]   Downloaded opentelemetry_sdk v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09daecb30e63f269e0846eabfec27c659ce53c764a6e2d77a5fa3a7710037575
[INFO] running `Command { std: "docker" "start" "-a" "09daecb30e63f269e0846eabfec27c659ce53c764a6e2d77a5fa3a7710037575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09daecb30e63f269e0846eabfec27c659ce53c764a6e2d77a5fa3a7710037575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09daecb30e63f269e0846eabfec27c659ce53c764a6e2d77a5fa3a7710037575", kill_on_drop: false }`
[INFO] [stdout] 09daecb30e63f269e0846eabfec27c659ce53c764a6e2d77a5fa3a7710037575
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33b9cc54ba021bcbfb7832aec0ea6eb95070fe649397a0ce9e3480bbeddb32ab
[INFO] running `Command { std: "docker" "start" "-a" "33b9cc54ba021bcbfb7832aec0ea6eb95070fe649397a0ce9e3480bbeddb32ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking bitflags v2.9.3
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking clap_builder v4.5.46
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking criterion-plot v0.6.0
[INFO] [stderr]     Checking nu-ansi-term v0.50.1
[INFO] [stderr]     Checking claims v0.8.0
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking opentelemetry v0.30.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking prost v0.13.5
[INFO] [stderr]     Checking clap v4.5.46
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking tracing-serde v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking opentelemetry_sdk v0.30.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking criterion v0.7.0
[INFO] [stderr]     Checking tonic v0.13.1
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]     Checking traceon v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking hyper-util v0.1.16
[INFO] [stderr]     Checking opentelemetry-proto v0.30.0
[INFO] [stderr]     Checking tracing-opentelemetry v0.31.0
[INFO] [stderr]     Checking opentelemetry-stdout v0.30.0
[INFO] [stderr]     Checking reqwest v0.12.23
[INFO] [stderr]     Checking opentelemetry-http v0.30.0
[INFO] [stderr]     Checking opentelemetry-otlp v0.30.0
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]  --> benches/tracing.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::black_box;
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/tracing.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             black_box(tracing::info!("testing out a resonably long string"));
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/tracing.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             black_box(tracing::info!("testing out a resonably long string"));
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.42s
[INFO] running `Command { std: "docker" "inspect" "33b9cc54ba021bcbfb7832aec0ea6eb95070fe649397a0ce9e3480bbeddb32ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b9cc54ba021bcbfb7832aec0ea6eb95070fe649397a0ce9e3480bbeddb32ab", kill_on_drop: false }`
[INFO] [stdout] 33b9cc54ba021bcbfb7832aec0ea6eb95070fe649397a0ce9e3480bbeddb32ab