[INFO] fetching crate vfork 0.1.0...
[INFO] testing vfork-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate vfork 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate vfork 0.1.0
[INFO] finished tweaking crates.io crate vfork 0.1.0
[INFO] tweaked toml for crates.io crate vfork 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vfork 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 vfork 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7707cdf0f52aaa905814223ab0ed00d705303194af0a95567965a6b72cace504
[INFO] running `Command { std: "docker" "start" "-a" "7707cdf0f52aaa905814223ab0ed00d705303194af0a95567965a6b72cace504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7707cdf0f52aaa905814223ab0ed00d705303194af0a95567965a6b72cace504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7707cdf0f52aaa905814223ab0ed00d705303194af0a95567965a6b72cace504", kill_on_drop: false }`
[INFO] [stdout] 7707cdf0f52aaa905814223ab0ed00d705303194af0a95567965a6b72cace504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3d845bb71ff8c0be5cf606b23b9aeef54edb54617124fd079fed2acc8022e8e1
[INFO] running `Command { std: "docker" "start" "-a" "3d845bb71ff8c0be5cf606b23b9aeef54edb54617124fd079fed2acc8022e8e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling vfork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "3d845bb71ff8c0be5cf606b23b9aeef54edb54617124fd079fed2acc8022e8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d845bb71ff8c0be5cf606b23b9aeef54edb54617124fd079fed2acc8022e8e1", kill_on_drop: false }`
[INFO] [stdout] 3d845bb71ff8c0be5cf606b23b9aeef54edb54617124fd079fed2acc8022e8e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f19a73f431a9afdd779f346b118390ba73faa0f73dedc7f8646afe4e90e89415
[INFO] running `Command { std: "docker" "start" "-a" "f19a73f431a9afdd779f346b118390ba73faa0f73dedc7f8646afe4e90e89415", kill_on_drop: false }`
[INFO] [stderr]    Compiling vfork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "f19a73f431a9afdd779f346b118390ba73faa0f73dedc7f8646afe4e90e89415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19a73f431a9afdd779f346b118390ba73faa0f73dedc7f8646afe4e90e89415", kill_on_drop: false }`
[INFO] [stdout] f19a73f431a9afdd779f346b118390ba73faa0f73dedc7f8646afe4e90e89415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f15b30cc20dd4b831c7d08700c5150737aa800bb6549f0b405c16e134ccefd3c
[INFO] running `Command { std: "docker" "start" "-a" "f15b30cc20dd4b831c7d08700c5150737aa800bb6549f0b405c16e134ccefd3c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vfork-115a58b494a6b173)
[INFO] [stdout] test command::tests::test_echo_command ... ok
[INFO] [stderr]    Doc-tests vfork
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "f15b30cc20dd4b831c7d08700c5150737aa800bb6549f0b405c16e134ccefd3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15b30cc20dd4b831c7d08700c5150737aa800bb6549f0b405c16e134ccefd3c", kill_on_drop: false }`
[INFO] [stdout] f15b30cc20dd4b831c7d08700c5150737aa800bb6549f0b405c16e134ccefd3c