[INFO] fetching crate tracing-actions 0.3.1... [INFO] testing tracing-actions-0.3.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate tracing-actions 0.3.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate tracing-actions 0.3.1 [INFO] finished tweaking crates.io crate tracing-actions 0.3.1 [INFO] tweaked toml for crates.io crate tracing-actions 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tracing-actions 0.3.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 120 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.4.0 (available: v0.7.0) [INFO] [stderr] Adding env_logger v0.10.2 (available: v0.11.8) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 80103a78752f5fbb6f5fb3a2f4dc46e905c8e96a74b9bcbff7086c935fb94395 [INFO] running `Command { std: "docker" "start" "-a" "80103a78752f5fbb6f5fb3a2f4dc46e905c8e96a74b9bcbff7086c935fb94395", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "80103a78752f5fbb6f5fb3a2f4dc46e905c8e96a74b9bcbff7086c935fb94395", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80103a78752f5fbb6f5fb3a2f4dc46e905c8e96a74b9bcbff7086c935fb94395", kill_on_drop: false }` [INFO] [stdout] 80103a78752f5fbb6f5fb3a2f4dc46e905c8e96a74b9bcbff7086c935fb94395 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4cb8f30b1a97b815cb6e392eab185c990981f6b7ff2cf84f8b4797c7a490f75b [INFO] running `Command { std: "docker" "start" "-a" "4cb8f30b1a97b815cb6e392eab185c990981f6b7ff2cf84f8b4797c7a490f75b", kill_on_drop: false }` [INFO] [stderr] Compiling tracing-core v0.1.34 [INFO] [stderr] Compiling thread_local v1.1.9 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling tracing-actions v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/action_trace_subscriber.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | let mut active_span = self [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.82s [INFO] running `Command { std: "docker" "inspect" "4cb8f30b1a97b815cb6e392eab185c990981f6b7ff2cf84f8b4797c7a490f75b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cb8f30b1a97b815cb6e392eab185c990981f6b7ff2cf84f8b4797c7a490f75b", kill_on_drop: false }` [INFO] [stdout] 4cb8f30b1a97b815cb6e392eab185c990981f6b7ff2cf84f8b4797c7a490f75b [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec061f381d8ec802e73a1db6b0d23e5a12b8a10b862058a9e342217fc0df19f9 [INFO] running `Command { std: "docker" "start" "-a" "ec061f381d8ec802e73a1db6b0d23e5a12b8a10b862058a9e342217fc0df19f9", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling signal-hook-registry v1.4.6 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling socket2 v0.6.0 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/action_trace_subscriber.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | let mut active_span = self [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling plotters v0.3.7 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling criterion v0.4.0 [INFO] [stderr] Compiling env_logger v0.10.2 [INFO] [stderr] Compiling tracing-actions v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/action_trace_subscriber.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | let mut active_span = self [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 20.60s [INFO] running `Command { std: "docker" "inspect" "ec061f381d8ec802e73a1db6b0d23e5a12b8a10b862058a9e342217fc0df19f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec061f381d8ec802e73a1db6b0d23e5a12b8a10b862058a9e342217fc0df19f9", kill_on_drop: false }` [INFO] [stdout] ec061f381d8ec802e73a1db6b0d23e5a12b8a10b862058a9e342217fc0df19f9 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 87b278db0f6166af43c0f2852af5cbdd0a0306ae918a0d82f5808258eeb9d0ad [INFO] running `Command { std: "docker" "start" "-a" "87b278db0f6166af43c0f2852af5cbdd0a0306ae918a0d82f5808258eeb9d0ad", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/action_trace_subscriber.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | let mut active_span = self [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `tracing-actions` (lib) generated 1 warning (run `cargo fix --lib -p tracing-actions` to apply 1 suggestion) [INFO] [stderr] warning: `tracing-actions` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_actions-8ae2b3f8855c636f) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test action_trace_subscriber::test::async_contextual_spans ... ok [INFO] [stdout] test action_trace_subscriber::test::contextual_spans ... ok [INFO] [stdout] test action_trace_subscriber::test::async_contextual_spans_sync_within_async ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests tracing_actions [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 14) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "87b278db0f6166af43c0f2852af5cbdd0a0306ae918a0d82f5808258eeb9d0ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87b278db0f6166af43c0f2852af5cbdd0a0306ae918a0d82f5808258eeb9d0ad", kill_on_drop: false }` [INFO] [stdout] 87b278db0f6166af43c0f2852af5cbdd0a0306ae918a0d82f5808258eeb9d0ad