[INFO] fetching crate gauss_jordan_elimination 0.2.0...
[INFO] testing gauss_jordan_elimination-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate gauss_jordan_elimination 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate gauss_jordan_elimination 0.2.0
[INFO] finished tweaking crates.io crate gauss_jordan_elimination 0.2.0
[INFO] tweaked toml for crates.io crate gauss_jordan_elimination 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gauss_jordan_elimination 0.2.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fbdc983cd3c403fbb7e9eaebc1705c322c12f0d4a8e5c2cad026076e5ea3961a
[INFO] running `Command { std: "docker" "start" "-a" "fbdc983cd3c403fbb7e9eaebc1705c322c12f0d4a8e5c2cad026076e5ea3961a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbdc983cd3c403fbb7e9eaebc1705c322c12f0d4a8e5c2cad026076e5ea3961a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbdc983cd3c403fbb7e9eaebc1705c322c12f0d4a8e5c2cad026076e5ea3961a", kill_on_drop: false }`
[INFO] [stdout] fbdc983cd3c403fbb7e9eaebc1705c322c12f0d4a8e5c2cad026076e5ea3961a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8472bf254862d13be5659ccd6843c5efb07fd02c0e7881092fe7338e6c4059bf
[INFO] running `Command { std: "docker" "start" "-a" "8472bf254862d13be5659ccd6843c5efb07fd02c0e7881092fe7338e6c4059bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling gauss_jordan_elimination v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "8472bf254862d13be5659ccd6843c5efb07fd02c0e7881092fe7338e6c4059bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8472bf254862d13be5659ccd6843c5efb07fd02c0e7881092fe7338e6c4059bf", kill_on_drop: false }`
[INFO] [stdout] 8472bf254862d13be5659ccd6843c5efb07fd02c0e7881092fe7338e6c4059bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 83b996e468cd69f31b564d97a1dea721a1d6dd31a33b237705e75113822b25e9
[INFO] running `Command { std: "docker" "start" "-a" "83b996e468cd69f31b564d97a1dea721a1d6dd31a33b237705e75113822b25e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling gauss_jordan_elimination v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "83b996e468cd69f31b564d97a1dea721a1d6dd31a33b237705e75113822b25e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b996e468cd69f31b564d97a1dea721a1d6dd31a33b237705e75113822b25e9", kill_on_drop: false }`
[INFO] [stdout] 83b996e468cd69f31b564d97a1dea721a1d6dd31a33b237705e75113822b25e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 72125a4b9e70b3784b04caf40fcb969cb310c61baafb6dc2e5e99b50d2a8f38b
[INFO] running `Command { std: "docker" "start" "-a" "72125a4b9e70b3784b04caf40fcb969cb310c61baafb6dc2e5e99b50d2a8f38b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gauss_jordan_elimination-e99b32a63b3ab596)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_gauss_elimination_echelon ... ok
[INFO] [stdout] test tests::test_gauss_elimination_reduce ... ok
[INFO] [stdout] test tests::test_gauss_jordan_elimination ... ok
[INFO] [stdout] test tests::test_gauss_elimination_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gauss_jordan_elimination
[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" "72125a4b9e70b3784b04caf40fcb969cb310c61baafb6dc2e5e99b50d2a8f38b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72125a4b9e70b3784b04caf40fcb969cb310c61baafb6dc2e5e99b50d2a8f38b", kill_on_drop: false }`
[INFO] [stdout] 72125a4b9e70b3784b04caf40fcb969cb310c61baafb6dc2e5e99b50d2a8f38b