[INFO] fetching crate tracing-subscriber-multi 0.1.0...
[INFO] testing tracing-subscriber-multi-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tracing-subscriber-multi 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tracing-subscriber-multi 0.1.0
[INFO] finished tweaking crates.io crate tracing-subscriber-multi 0.1.0
[INFO] tweaked toml for crates.io crate tracing-subscriber-multi 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-subscriber-multi 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-subscriber-multi 0.1.0 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" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 788fa1d068ebb47533f257439d5a23ef0949651a8376e3dcc9ddeacbd55470fa
[INFO] running `Command { std: "docker" "start" "-a" "788fa1d068ebb47533f257439d5a23ef0949651a8376e3dcc9ddeacbd55470fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "788fa1d068ebb47533f257439d5a23ef0949651a8376e3dcc9ddeacbd55470fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788fa1d068ebb47533f257439d5a23ef0949651a8376e3dcc9ddeacbd55470fa", kill_on_drop: false }`
[INFO] [stdout] 788fa1d068ebb47533f257439d5a23ef0949651a8376e3dcc9ddeacbd55470fa
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02bfd9f0f04009e86d4fd7ab9d7ba1dc3de752c91c761b9354082d79d51fd35d
[INFO] running `Command { std: "docker" "start" "-a" "02bfd9f0f04009e86d4fd7ab9d7ba1dc3de752c91c761b9354082d79d51fd35d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling file-rotate v0.7.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber-multi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.99s
[INFO] running `Command { std: "docker" "inspect" "02bfd9f0f04009e86d4fd7ab9d7ba1dc3de752c91c761b9354082d79d51fd35d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02bfd9f0f04009e86d4fd7ab9d7ba1dc3de752c91c761b9354082d79d51fd35d", kill_on_drop: false }`
[INFO] [stdout] 02bfd9f0f04009e86d4fd7ab9d7ba1dc3de752c91c761b9354082d79d51fd35d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e0232a611b64995d79991e5b2584ec0a1319d949228a215bd26998209f9ab61
[INFO] running `Command { std: "docker" "start" "-a" "3e0232a611b64995d79991e5b2584ec0a1319d949228a215bd26998209f9ab61", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-subscriber-multi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "3e0232a611b64995d79991e5b2584ec0a1319d949228a215bd26998209f9ab61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0232a611b64995d79991e5b2584ec0a1319d949228a215bd26998209f9ab61", kill_on_drop: false }`
[INFO] [stdout] 3e0232a611b64995d79991e5b2584ec0a1319d949228a215bd26998209f9ab61
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f156c6bc22d75fa612abb83cbd00b9867dc6ee024e7d324eab23ff4c4a2eb65
[INFO] running `Command { std: "docker" "start" "-a" "2f156c6bc22d75fa612abb83cbd00b9867dc6ee024e7d324eab23ff4c4a2eb65", kill_on_drop: false }`
[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_subscriber_multi-65251e6d421c4d17)
[INFO] [stderr]    Doc-tests tracing_subscriber_multi
[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] [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 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f156c6bc22d75fa612abb83cbd00b9867dc6ee024e7d324eab23ff4c4a2eb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f156c6bc22d75fa612abb83cbd00b9867dc6ee024e7d324eab23ff4c4a2eb65", kill_on_drop: false }`
[INFO] [stdout] 2f156c6bc22d75fa612abb83cbd00b9867dc6ee024e7d324eab23ff4c4a2eb65