[INFO] fetching crate mutica-core 0.2.4...
[INFO] testing mutica-core-0.2.4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mutica-core 0.2.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate mutica-core 0.2.4
[INFO] finished tweaking crates.io crate mutica-core 0.2.4
[INFO] tweaked toml for crates.io crate mutica-core 0.2.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutica-core 0.2.4 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 mutica-core 0.2.4 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac97dd0d73bc25621a3a33ccf396371ead2f7cfaab421798736b5a9d448a3fad
[INFO] running `Command { std: "docker" "start" "-a" "ac97dd0d73bc25621a3a33ccf396371ead2f7cfaab421798736b5a9d448a3fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac97dd0d73bc25621a3a33ccf396371ead2f7cfaab421798736b5a9d448a3fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac97dd0d73bc25621a3a33ccf396371ead2f7cfaab421798736b5a9d448a3fad", kill_on_drop: false }`
[INFO] [stdout] ac97dd0d73bc25621a3a33ccf396371ead2f7cfaab421798736b5a9d448a3fad
[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=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] 023c9fe470d7b63e1294afe4768bf72b8746bfdaaf0a724243c83a71f780835b
[INFO] running `Command { std: "docker" "start" "-a" "023c9fe470d7b63e1294afe4768bf72b8746bfdaaf0a724243c83a71f780835b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling cc v1.2.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rust-arc-gc v0.2.1
[INFO] [stderr]    Compiling psm v0.1.27
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling stacksafe-macro v0.1.4
[INFO] [stderr]    Compiling stacksafe v0.1.4
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling mutica-core v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.85s
[INFO] running `Command { std: "docker" "inspect" "023c9fe470d7b63e1294afe4768bf72b8746bfdaaf0a724243c83a71f780835b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023c9fe470d7b63e1294afe4768bf72b8746bfdaaf0a724243c83a71f780835b", kill_on_drop: false }`
[INFO] [stdout] 023c9fe470d7b63e1294afe4768bf72b8746bfdaaf0a724243c83a71f780835b
[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=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] 53f626d52bab616b61dbae52dd9c2b6c8af2ae2905114840254434197672d544
[INFO] running `Command { std: "docker" "start" "-a" "53f626d52bab616b61dbae52dd9c2b6c8af2ae2905114840254434197672d544", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutica-core v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "53f626d52bab616b61dbae52dd9c2b6c8af2ae2905114840254434197672d544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f626d52bab616b61dbae52dd9c2b6c8af2ae2905114840254434197672d544", kill_on_drop: false }`
[INFO] [stdout] 53f626d52bab616b61dbae52dd9c2b6c8af2ae2905114840254434197672d544
[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=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] fb79bd13fb043a89c23d0f080db231b6993bf95342d30e2f01a24e892b06f0a1
[INFO] running `Command { std: "docker" "start" "-a" "fb79bd13fb043a89c23d0f080db231b6993bf95342d30e2f01a24e892b06f0a1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mutica_core-dec35442cea2d65f)
[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 mutica_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" "fb79bd13fb043a89c23d0f080db231b6993bf95342d30e2f01a24e892b06f0a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb79bd13fb043a89c23d0f080db231b6993bf95342d30e2f01a24e892b06f0a1", kill_on_drop: false }`
[INFO] [stdout] fb79bd13fb043a89c23d0f080db231b6993bf95342d30e2f01a24e892b06f0a1