[INFO] fetching crate zk-matrix 0.1.0...
[INFO] testing zk-matrix-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate zk-matrix 0.1.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zk-matrix 0.1.0 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] 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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5433a89bd5266affa3f15a12a038b86e7842f3295d0d7c3b5a681ee645f269f
[INFO] running `Command { std: "docker" "start" "-a" "b5433a89bd5266affa3f15a12a038b86e7842f3295d0d7c3b5a681ee645f269f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5433a89bd5266affa3f15a12a038b86e7842f3295d0d7c3b5a681ee645f269f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5433a89bd5266affa3f15a12a038b86e7842f3295d0d7c3b5a681ee645f269f", kill_on_drop: false }`
[INFO] [stdout] b5433a89bd5266affa3f15a12a038b86e7842f3295d0d7c3b5a681ee645f269f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38e97fc85e4f1c1cfe85790142475a8286637cfa9940aea9ecac036d5a2892a8
[INFO] running `Command { std: "docker" "start" "-a" "38e97fc85e4f1c1cfe85790142475a8286637cfa9940aea9ecac036d5a2892a8", 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 0.04s
[INFO] running `Command { std: "docker" "inspect" "38e97fc85e4f1c1cfe85790142475a8286637cfa9940aea9ecac036d5a2892a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e97fc85e4f1c1cfe85790142475a8286637cfa9940aea9ecac036d5a2892a8", kill_on_drop: false }`
[INFO] [stdout] 38e97fc85e4f1c1cfe85790142475a8286637cfa9940aea9ecac036d5a2892a8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 943689c0e150116ecb0ce366de1b824d5c3420af1364b37ee58644c605e47d47
[INFO] running `Command { std: "docker" "start" "-a" "943689c0e150116ecb0ce366de1b824d5c3420af1364b37ee58644c605e47d47", 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 0.11s
[INFO] running `Command { std: "docker" "inspect" "943689c0e150116ecb0ce366de1b824d5c3420af1364b37ee58644c605e47d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943689c0e150116ecb0ce366de1b824d5c3420af1364b37ee58644c605e47d47", kill_on_drop: false }`
[INFO] [stdout] 943689c0e150116ecb0ce366de1b824d5c3420af1364b37ee58644c605e47d47
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 537178b8cac6f6bf2b3b649e9ad0e971f2e501419106729725bc1046d2d9e3f0
[INFO] running `Command { std: "docker" "start" "-a" "537178b8cac6f6bf2b3b649e9ad0e971f2e501419106729725bc1046d2d9e3f0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[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 0.00s
[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" "537178b8cac6f6bf2b3b649e9ad0e971f2e501419106729725bc1046d2d9e3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537178b8cac6f6bf2b3b649e9ad0e971f2e501419106729725bc1046d2d9e3f0", kill_on_drop: false }`
[INFO] [stdout] 537178b8cac6f6bf2b3b649e9ad0e971f2e501419106729725bc1046d2d9e3f0