[INFO] fetching crate tracing-lv-core 0.0.2...
[INFO] testing tracing-lv-core-0.0.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate tracing-lv-core 0.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tracing-lv-core 0.0.2
[INFO] finished tweaking crates.io crate tracing-lv-core 0.0.2
[INFO] tweaked toml for crates.io crate tracing-lv-core 0.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-lv-core 0.0.2 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] crate crates.io crate tracing-lv-core 0.0.2 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" "+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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 15af465df20227750a78397ddfdf34b5322494e688a7689a9ecf514701a1b0d3
[INFO] running `Command { std: "docker" "start" "-a" "15af465df20227750a78397ddfdf34b5322494e688a7689a9ecf514701a1b0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15af465df20227750a78397ddfdf34b5322494e688a7689a9ecf514701a1b0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15af465df20227750a78397ddfdf34b5322494e688a7689a9ecf514701a1b0d3", kill_on_drop: false }`
[INFO] [stdout] 15af465df20227750a78397ddfdf34b5322494e688a7689a9ecf514701a1b0d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e37b7feb9b5503b1bfcfa67da4cde9193b9b2b762bbafc49a532f0ee1e84861b
[INFO] running `Command { std: "docker" "start" "-a" "e37b7feb9b5503b1bfcfa67da4cde9193b9b2b762bbafc49a532f0ee1e84861b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]    Compiling tracing-lv-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling foldhash v0.1.3
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling uuid v1.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling prost-derive v0.13.4
[INFO] [stderr]    Compiling prost v0.13.4
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling smol_str v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.08s
[INFO] running `Command { std: "docker" "inspect" "e37b7feb9b5503b1bfcfa67da4cde9193b9b2b762bbafc49a532f0ee1e84861b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37b7feb9b5503b1bfcfa67da4cde9193b9b2b762bbafc49a532f0ee1e84861b", kill_on_drop: false }`
[INFO] [stdout] e37b7feb9b5503b1bfcfa67da4cde9193b9b2b762bbafc49a532f0ee1e84861b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9f46cae517f2930f6255b297d9c7810b6eef164a6679769f14c3417c21858480
[INFO] running `Command { std: "docker" "start" "-a" "9f46cae517f2930f6255b297d9c7810b6eef164a6679769f14c3417c21858480", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-lv-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "9f46cae517f2930f6255b297d9c7810b6eef164a6679769f14c3417c21858480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f46cae517f2930f6255b297d9c7810b6eef164a6679769f14c3417c21858480", kill_on_drop: false }`
[INFO] [stdout] 9f46cae517f2930f6255b297d9c7810b6eef164a6679769f14c3417c21858480
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3c8af0d6955104d8b21dce7896accf49163b4bed6985aeef99cf4f76b496a96b
[INFO] running `Command { std: "docker" "start" "-a" "3c8af0d6955104d8b21dce7896accf49163b4bed6985aeef99cf4f76b496a96b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_lv_core-c7aa9c316dd5cb71)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracing_lv_core
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c8af0d6955104d8b21dce7896accf49163b4bed6985aeef99cf4f76b496a96b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8af0d6955104d8b21dce7896accf49163b4bed6985aeef99cf4f76b496a96b", kill_on_drop: false }`
[INFO] [stdout] 3c8af0d6955104d8b21dce7896accf49163b4bed6985aeef99cf4f76b496a96b