[INFO] fetching crate tg-rcore-tutorial-kernel-alloc-mp 0.4.8...
[INFO] testing tg-rcore-tutorial-kernel-alloc-mp-0.4.8 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tg-rcore-tutorial-kernel-alloc-mp 0.4.8 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tg-rcore-tutorial-kernel-alloc-mp 0.4.8
[INFO] finished tweaking crates.io crate tg-rcore-tutorial-kernel-alloc-mp 0.4.8
[INFO] tweaked toml for crates.io crate tg-rcore-tutorial-kernel-alloc-mp 0.4.8 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tg-rcore-tutorial-kernel-alloc-mp 0.4.8 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tg-rcore-tutorial-kernel-alloc-mp 0.4.8 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 550014c57d8e528881f9ba0873d143050be34b73b715efb6c94ebc73510ee00d
[INFO] running `Command { std: "docker" "start" "-a" "550014c57d8e528881f9ba0873d143050be34b73b715efb6c94ebc73510ee00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "550014c57d8e528881f9ba0873d143050be34b73b715efb6c94ebc73510ee00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550014c57d8e528881f9ba0873d143050be34b73b715efb6c94ebc73510ee00d", kill_on_drop: false }`
[INFO] [stdout] 550014c57d8e528881f9ba0873d143050be34b73b715efb6c94ebc73510ee00d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4feb77579e42343e40a84e9cad3e154f543c25c51471df9727abe8fdd4c66974
[INFO] running `Command { std: "docker" "start" "-a" "4feb77579e42343e40a84e9cad3e154f543c25c51471df9727abe8fdd4c66974", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling customizable-buddy v0.0.3
[INFO] [stderr]    Compiling page-table v0.0.6
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-kernel-alloc-mp v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "4feb77579e42343e40a84e9cad3e154f543c25c51471df9727abe8fdd4c66974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4feb77579e42343e40a84e9cad3e154f543c25c51471df9727abe8fdd4c66974", kill_on_drop: false }`
[INFO] [stdout] 4feb77579e42343e40a84e9cad3e154f543c25c51471df9727abe8fdd4c66974
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f8a5c68650fc45e3a4a36245fb5f1b699be68bb60522ade02597763f9bc3816
[INFO] running `Command { std: "docker" "start" "-a" "0f8a5c68650fc45e3a4a36245fb5f1b699be68bb60522ade02597763f9bc3816", kill_on_drop: false }`
[INFO] [stderr]    Compiling tg-rcore-tutorial-kernel-alloc-mp v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "0f8a5c68650fc45e3a4a36245fb5f1b699be68bb60522ade02597763f9bc3816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f8a5c68650fc45e3a4a36245fb5f1b699be68bb60522ade02597763f9bc3816", kill_on_drop: false }`
[INFO] [stdout] 0f8a5c68650fc45e3a4a36245fb5f1b699be68bb60522ade02597763f9bc3816
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ddea7d878df098be74e2ef1ebd1743d35a6e653bc28ab468fe69b38a92bd7c7
[INFO] running `Command { std: "docker" "start" "-a" "6ddea7d878df098be74e2ef1ebd1743d35a6e653bc28ab468fe69b38a92bd7c7", 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/tg_rcore_tutorial_kernel_alloc_mp-bbcaebe4e03942df)
[INFO] [stderr] memory allocation of 4 bytes failed
[INFO] [stderr] memory allocation of 4 bytes failed
[INFO] [stderr] skipping backtrace printing to avoid potential recursion
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/tg_rcore_tutorial_kernel_alloc_mp-bbcaebe4e03942df` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "6ddea7d878df098be74e2ef1ebd1743d35a6e653bc28ab468fe69b38a92bd7c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ddea7d878df098be74e2ef1ebd1743d35a6e653bc28ab468fe69b38a92bd7c7", kill_on_drop: false }`
[INFO] [stdout] 6ddea7d878df098be74e2ef1ebd1743d35a6e653bc28ab468fe69b38a92bd7c7
