[INFO] fetching crate mimalloc-sys 0.1.6-dev...
[INFO] testing mimalloc-sys-0.1.6-dev against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mimalloc-sys 0.1.6-dev into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mimalloc-sys 0.1.6-dev
[INFO] finished tweaking crates.io crate mimalloc-sys 0.1.6-dev
[INFO] tweaked toml for crates.io crate mimalloc-sys 0.1.6-dev written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mimalloc-sys 0.1.6-dev 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ae7130cdeec4995f8166c7e80c134801d198fa91ae12fe87b2c5430205f85786
[INFO] running `Command { std: "docker" "start" "-a" "ae7130cdeec4995f8166c7e80c134801d198fa91ae12fe87b2c5430205f85786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae7130cdeec4995f8166c7e80c134801d198fa91ae12fe87b2c5430205f85786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7130cdeec4995f8166c7e80c134801d198fa91ae12fe87b2c5430205f85786", kill_on_drop: false }`
[INFO] [stdout] ae7130cdeec4995f8166c7e80c134801d198fa91ae12fe87b2c5430205f85786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3e84a0104ee2f8fa87e263476964a6386e3ad64fbca9c601a9b4a53a4f729ae7
[INFO] running `Command { std: "docker" "start" "-a" "3e84a0104ee2f8fa87e263476964a6386e3ad64fbca9c601a9b4a53a4f729ae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimalloc-sys v0.1.6-dev (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "3e84a0104ee2f8fa87e263476964a6386e3ad64fbca9c601a9b4a53a4f729ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e84a0104ee2f8fa87e263476964a6386e3ad64fbca9c601a9b4a53a4f729ae7", kill_on_drop: false }`
[INFO] [stdout] 3e84a0104ee2f8fa87e263476964a6386e3ad64fbca9c601a9b4a53a4f729ae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2f9bf8c648856c31d441b99bf91f8c48d5a41261962f2be6455472a83f2bdad6
[INFO] running `Command { std: "docker" "start" "-a" "2f9bf8c648856c31d441b99bf91f8c48d5a41261962f2be6455472a83f2bdad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimalloc-sys v0.1.6-dev (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "2f9bf8c648856c31d441b99bf91f8c48d5a41261962f2be6455472a83f2bdad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9bf8c648856c31d441b99bf91f8c48d5a41261962f2be6455472a83f2bdad6", kill_on_drop: false }`
[INFO] [stdout] 2f9bf8c648856c31d441b99bf91f8c48d5a41261962f2be6455472a83f2bdad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3a1903c8727f33574b6c115f4688267e3252509687e206a6f1ff60e8c3f89cfd
[INFO] running `Command { std: "docker" "start" "-a" "3a1903c8727f33574b6c115f4688267e3252509687e206a6f1ff60e8c3f89cfd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mimalloc_sys-9944f7c419715dbc)
[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]      Running tests/override.rs (/opt/rustwide/target/debug/deps/override-8312ecfcd3a2f3aa)
[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 mimalloc_sys
[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" "3a1903c8727f33574b6c115f4688267e3252509687e206a6f1ff60e8c3f89cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1903c8727f33574b6c115f4688267e3252509687e206a6f1ff60e8c3f89cfd", kill_on_drop: false }`
[INFO] [stdout] 3a1903c8727f33574b6c115f4688267e3252509687e206a6f1ff60e8c3f89cfd