[INFO] fetching crate reduced_row_echelon_form_jeck 0.1.0...
[INFO] testing reduced_row_echelon_form_jeck-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate reduced_row_echelon_form_jeck 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate reduced_row_echelon_form_jeck 0.1.0
[INFO] finished tweaking crates.io crate reduced_row_echelon_form_jeck 0.1.0
[INFO] tweaked toml for crates.io crate reduced_row_echelon_form_jeck 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reduced_row_echelon_form_jeck 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate reduced_row_echelon_form_jeck 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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 443fbd492a6da0787d00fe85f2a1a7e85a4e2f5f08ab5ac742d3c2a4d475a511
[INFO] running `Command { std: "docker" "start" "-a" "443fbd492a6da0787d00fe85f2a1a7e85a4e2f5f08ab5ac742d3c2a4d475a511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "443fbd492a6da0787d00fe85f2a1a7e85a4e2f5f08ab5ac742d3c2a4d475a511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "443fbd492a6da0787d00fe85f2a1a7e85a4e2f5f08ab5ac742d3c2a4d475a511", kill_on_drop: false }`
[INFO] [stdout] 443fbd492a6da0787d00fe85f2a1a7e85a4e2f5f08ab5ac742d3c2a4d475a511
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 999150575a58de81cfe96bbbc3433519a4eee4e6123af5e0e9e74dd3fd384b3b
[INFO] running `Command { std: "docker" "start" "-a" "999150575a58de81cfe96bbbc3433519a4eee4e6123af5e0e9e74dd3fd384b3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling reduced_row_echelon_form_jeck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "999150575a58de81cfe96bbbc3433519a4eee4e6123af5e0e9e74dd3fd384b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999150575a58de81cfe96bbbc3433519a4eee4e6123af5e0e9e74dd3fd384b3b", kill_on_drop: false }`
[INFO] [stdout] 999150575a58de81cfe96bbbc3433519a4eee4e6123af5e0e9e74dd3fd384b3b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab7e941c8e3e8fb86ba932ffdf074ef67dc1b6e03f5e9bf5d350d755aba043be
[INFO] running `Command { std: "docker" "start" "-a" "ab7e941c8e3e8fb86ba932ffdf074ef67dc1b6e03f5e9bf5d350d755aba043be", kill_on_drop: false }`
[INFO] [stderr]    Compiling reduced_row_echelon_form_jeck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "ab7e941c8e3e8fb86ba932ffdf074ef67dc1b6e03f5e9bf5d350d755aba043be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7e941c8e3e8fb86ba932ffdf074ef67dc1b6e03f5e9bf5d350d755aba043be", kill_on_drop: false }`
[INFO] [stdout] ab7e941c8e3e8fb86ba932ffdf074ef67dc1b6e03f5e9bf5d350d755aba043be
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 551a2b4487df2ceb995f6c3a3b24ddea8260f03f693e72388593bf172b36fa5f
[INFO] running `Command { std: "docker" "start" "-a" "551a2b4487df2ceb995f6c3a3b24ddea8260f03f693e72388593bf172b36fa5f", 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/reduced_row_echelon_form_jeck-0528cca27ddca4f7)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::already_in_row_echelon ... ok
[INFO] [stdout] test test::calculate_row_scalar ... ok
[INFO] [stdout] test test::rref_non_square_matrix ... ok
[INFO] [stdout] test test::reduced_row_echelon_form ... ok
[INFO] [stdout] test test::scale_row_to_one_test ... ok
[INFO] [stdout] test test::swap_rows_test ... ok
[INFO] [stdout] test test::test_get_leftmost_zero ... ok
[INFO] [stdout] test test::test_replacement_addition ... ok
[INFO] [stdout] test test::calculate_invalid_row_scalar - should panic ... ok
[INFO] [stdout] test test::rref_zero_matrix ... ok
[INFO] [stderr]    Doc-tests reduced_row_echelon_form_jeck
[INFO] [stdout] test test::zero_first_column ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Matrix::from (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "551a2b4487df2ceb995f6c3a3b24ddea8260f03f693e72388593bf172b36fa5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551a2b4487df2ceb995f6c3a3b24ddea8260f03f693e72388593bf172b36fa5f", kill_on_drop: false }`
[INFO] [stdout] 551a2b4487df2ceb995f6c3a3b24ddea8260f03f693e72388593bf172b36fa5f
