[INFO] fetching crate toolbox 0.2.8...
[INFO] testing toolbox-0.2.8 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate toolbox 0.2.8 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate toolbox 0.2.8
[INFO] finished tweaking crates.io crate toolbox 0.2.8
[INFO] tweaked toml for crates.io crate toolbox 0.2.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate toolbox 0.2.8 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding alg_ds v0.2.7 (available: v0.3.1)
[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] 31e143a0cf925a47f68d9bbb440a4c4e8dda0339bb7b4e18e865bf222f6c539f
[INFO] running `Command { std: "docker" "start" "-a" "31e143a0cf925a47f68d9bbb440a4c4e8dda0339bb7b4e18e865bf222f6c539f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e143a0cf925a47f68d9bbb440a4c4e8dda0339bb7b4e18e865bf222f6c539f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e143a0cf925a47f68d9bbb440a4c4e8dda0339bb7b4e18e865bf222f6c539f", kill_on_drop: false }`
[INFO] [stdout] 31e143a0cf925a47f68d9bbb440a4c4e8dda0339bb7b4e18e865bf222f6c539f
[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] ce14a0956f88bc4845b608b3025e2022104d38b32a25e092f8c2090bd9d7353a
[INFO] running `Command { std: "docker" "start" "-a" "ce14a0956f88bc4845b608b3025e2022104d38b32a25e092f8c2090bd9d7353a", kill_on_drop: false }`
[INFO] [stderr]    Compiling alg_ds v0.2.7
[INFO] [stderr]    Compiling vfsys v0.1.10
[INFO] [stderr]    Compiling toolbox v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "ce14a0956f88bc4845b608b3025e2022104d38b32a25e092f8c2090bd9d7353a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce14a0956f88bc4845b608b3025e2022104d38b32a25e092f8c2090bd9d7353a", kill_on_drop: false }`
[INFO] [stdout] ce14a0956f88bc4845b608b3025e2022104d38b32a25e092f8c2090bd9d7353a
[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] 11e3fd230b2894ef411cf060f57cf36119e8fe8251d7c0338d035a53715f7ad9
[INFO] running `Command { std: "docker" "start" "-a" "11e3fd230b2894ef411cf060f57cf36119e8fe8251d7c0338d035a53715f7ad9", kill_on_drop: false }`
[INFO] [stderr]    Compiling toolbox v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "11e3fd230b2894ef411cf060f57cf36119e8fe8251d7c0338d035a53715f7ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e3fd230b2894ef411cf060f57cf36119e8fe8251d7c0338d035a53715f7ad9", kill_on_drop: false }`
[INFO] [stdout] 11e3fd230b2894ef411cf060f57cf36119e8fe8251d7c0338d035a53715f7ad9
[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] 74204f562607147408a09fdc9ca8e8fd2e00f198a96a38add965bc99bf51eb88
[INFO] running `Command { std: "docker" "start" "-a" "74204f562607147408a09fdc9ca8e8fd2e00f198a96a38add965bc99bf51eb88", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/toolbox-3b6237b3bf7660d2)
[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/matrix.rs (/opt/rustwide/target/debug/deps/matrix-88a2c2ddfd48b25e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test matrix_integration_test ... ok
[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] [stderr]    Doc-tests toolbox
[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" "74204f562607147408a09fdc9ca8e8fd2e00f198a96a38add965bc99bf51eb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74204f562607147408a09fdc9ca8e8fd2e00f198a96a38add965bc99bf51eb88", kill_on_drop: false }`
[INFO] [stdout] 74204f562607147408a09fdc9ca8e8fd2e00f198a96a38add965bc99bf51eb88