[INFO] fetching crate zk-matrix 0.1.0...
[INFO] testing zk-matrix-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate zk-matrix 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate zk-matrix 0.1.0
[INFO] finished tweaking crates.io crate zk-matrix 0.1.0
[INFO] tweaked toml for crates.io crate zk-matrix 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zk-matrix 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] 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] 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bddfec6f39576fa84aa4cfce03c42d18a8d49efe6e80281a3c01022855e8126b
[INFO] running `Command { std: "docker" "start" "-a" "bddfec6f39576fa84aa4cfce03c42d18a8d49efe6e80281a3c01022855e8126b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bddfec6f39576fa84aa4cfce03c42d18a8d49efe6e80281a3c01022855e8126b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bddfec6f39576fa84aa4cfce03c42d18a8d49efe6e80281a3c01022855e8126b", kill_on_drop: false }`
[INFO] [stdout] bddfec6f39576fa84aa4cfce03c42d18a8d49efe6e80281a3c01022855e8126b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3b2d6fae17e3f85d5554de58c8e4bb0d15009565e223f4ffb7e72cb07d5f8c80
[INFO] running `Command { std: "docker" "start" "-a" "3b2d6fae17e3f85d5554de58c8e4bb0d15009565e223f4ffb7e72cb07d5f8c80", kill_on_drop: false }`
[INFO] [stderr]    Compiling zk-matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "3b2d6fae17e3f85d5554de58c8e4bb0d15009565e223f4ffb7e72cb07d5f8c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b2d6fae17e3f85d5554de58c8e4bb0d15009565e223f4ffb7e72cb07d5f8c80", kill_on_drop: false }`
[INFO] [stdout] 3b2d6fae17e3f85d5554de58c8e4bb0d15009565e223f4ffb7e72cb07d5f8c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c5d7fdd85750d90088c7fbaa0f269b6c071d7a4b001fb5bc443bbba2cbd61929
[INFO] running `Command { std: "docker" "start" "-a" "c5d7fdd85750d90088c7fbaa0f269b6c071d7a4b001fb5bc443bbba2cbd61929", kill_on_drop: false }`
[INFO] [stderr]    Compiling zk-matrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "c5d7fdd85750d90088c7fbaa0f269b6c071d7a4b001fb5bc443bbba2cbd61929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d7fdd85750d90088c7fbaa0f269b6c071d7a4b001fb5bc443bbba2cbd61929", kill_on_drop: false }`
[INFO] [stdout] c5d7fdd85750d90088c7fbaa0f269b6c071d7a4b001fb5bc443bbba2cbd61929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6c646d9865d65ddbf3a22f2abda6eeb8928d77bc588147a9bb688697beb1b8fc
[INFO] running `Command { std: "docker" "start" "-a" "6c646d9865d65ddbf3a22f2abda6eeb8928d77bc588147a9bb688697beb1b8fc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zk_matrix-2376007bc9ba05dc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zk_matrix
[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" "6c646d9865d65ddbf3a22f2abda6eeb8928d77bc588147a9bb688697beb1b8fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c646d9865d65ddbf3a22f2abda6eeb8928d77bc588147a9bb688697beb1b8fc", kill_on_drop: false }`
[INFO] [stdout] 6c646d9865d65ddbf3a22f2abda6eeb8928d77bc588147a9bb688697beb1b8fc