[INFO] fetching crate math-concept 0.0.3...
[INFO] testing math-concept-0.0.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate math-concept 0.0.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate math-concept 0.0.3
[INFO] finished tweaking crates.io crate math-concept 0.0.3
[INFO] tweaked toml for crates.io crate math-concept 0.0.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate math-concept 0.0.3 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9f3bc69b0d2d85c3c78ea5856089fbc777ab19f935fbe19c9a7c4df6439ffcf9
[INFO] running `Command { std: "docker" "start" "-a" "9f3bc69b0d2d85c3c78ea5856089fbc777ab19f935fbe19c9a7c4df6439ffcf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f3bc69b0d2d85c3c78ea5856089fbc777ab19f935fbe19c9a7c4df6439ffcf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3bc69b0d2d85c3c78ea5856089fbc777ab19f935fbe19c9a7c4df6439ffcf9", kill_on_drop: false }`
[INFO] [stdout] 9f3bc69b0d2d85c3c78ea5856089fbc777ab19f935fbe19c9a7c4df6439ffcf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fbd6ce230c9d8953b1ad7af28a695623bf258ffcc615d2ad75419b1e742d46fc
[INFO] running `Command { std: "docker" "start" "-a" "fbd6ce230c9d8953b1ad7af28a695623bf258ffcc615d2ad75419b1e742d46fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-concept v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "fbd6ce230c9d8953b1ad7af28a695623bf258ffcc615d2ad75419b1e742d46fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd6ce230c9d8953b1ad7af28a695623bf258ffcc615d2ad75419b1e742d46fc", kill_on_drop: false }`
[INFO] [stdout] fbd6ce230c9d8953b1ad7af28a695623bf258ffcc615d2ad75419b1e742d46fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5473f3b785933f5fc4968bd01f44e474e21551d4712204e1a734d2ee9764519c
[INFO] running `Command { std: "docker" "start" "-a" "5473f3b785933f5fc4968bd01f44e474e21551d4712204e1a734d2ee9764519c", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-concept v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "5473f3b785933f5fc4968bd01f44e474e21551d4712204e1a734d2ee9764519c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5473f3b785933f5fc4968bd01f44e474e21551d4712204e1a734d2ee9764519c", kill_on_drop: false }`
[INFO] [stdout] 5473f3b785933f5fc4968bd01f44e474e21551d4712204e1a734d2ee9764519c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7aeafbb8c17cf46643a7efab9efab30c73eb8d0961871e2e9fc80d634fcee00e
[INFO] running `Command { std: "docker" "start" "-a" "7aeafbb8c17cf46643a7efab9efab30c73eb8d0961871e2e9fc80d634fcee00e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/math_concept-6b2c943e02b436f5)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test lalg::matrix::tests::adds_two_matrices ... ok
[INFO] [stdout] test lalg::matrix::tests::maps_properly ... ok
[INFO] [stdout] test lalg::matrix::tests::matrix_multiplication_is_not_commutative ... ok
[INFO] [stdout] test lalg::matrix::tests::gets_correct_element ... ok
[INFO] [stdout] test lalg::matrix::tests::returns_cols ... ok
[INFO] [stdout] test lalg::matrix::tests::returns_diagonal_when_matrix_is_square ... ok
[INFO] [stdout] test lalg::matrix::tests::returns_rows ... ok
[INFO] [stdout] test lalg::matrix::tests::diagonal_panics_when_matrix_is_not_square - should panic ... ok
[INFO] [stdout] test lalg::matrix::tests::panics_when_out_of_bounds - should panic ... ok
[INFO] [stdout] test lalg::matrix::tests::mult_panics_when_dimensions_dont_match - should panic ... ok
[INFO] [stdout] test lalg::matrix::tests::mutates_element_at ... ok
[INFO] [stdout] test lalg::matrix::tests::add_panics_when_matrices_differ_in_size - should panic ... ok
[INFO] [stderr]    Doc-tests math_concept
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lalg/matrix/mod.rs - lalg::matrix::Matrix<T>::diagonal (line 108) ... ok
[INFO] [stdout] test src/lalg/matrix/mod.rs - lalg::matrix::Matrix (line 21) ... ok
[INFO] [stdout] test src/lalg/matrix/mod.rs - lalg::matrix::Matrix<T>::map (line 86) ... ok
[INFO] [stdout] test src/lalg/matrix/mod.rs - lalg::matrix::Matrix (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7aeafbb8c17cf46643a7efab9efab30c73eb8d0961871e2e9fc80d634fcee00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aeafbb8c17cf46643a7efab9efab30c73eb8d0961871e2e9fc80d634fcee00e", kill_on_drop: false }`
[INFO] [stdout] 7aeafbb8c17cf46643a7efab9efab30c73eb8d0961871e2e9fc80d634fcee00e