[INFO] cloning repository https://github.com/M1ngXU/MatrixSolverRS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/M1ngXU/MatrixSolverRS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1ngXU%2FMatrixSolverRS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1ngXU%2FMatrixSolverRS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 541d617fc5d62fd5ce0995e7dc7b0507cfc80b5c
[INFO] testing M1ngXU/MatrixSolverRS against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1ngXU%2FMatrixSolverRS" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/M1ngXU/MatrixSolverRS on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/M1ngXU/MatrixSolverRS
[INFO] finished tweaking git repo https://github.com/M1ngXU/MatrixSolverRS
[INFO] tweaked toml for git repo https://github.com/M1ngXU/MatrixSolverRS written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/M1ngXU/MatrixSolverRS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 895cbf20442e459aeac2298e3ec7ee2c68c7048e7b5fa41105a45550c00aeb8c
[INFO] running `Command { std: "docker" "start" "-a" "895cbf20442e459aeac2298e3ec7ee2c68c7048e7b5fa41105a45550c00aeb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "895cbf20442e459aeac2298e3ec7ee2c68c7048e7b5fa41105a45550c00aeb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895cbf20442e459aeac2298e3ec7ee2c68c7048e7b5fa41105a45550c00aeb8c", kill_on_drop: false }`
[INFO] [stdout] 895cbf20442e459aeac2298e3ec7ee2c68c7048e7b5fa41105a45550c00aeb8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 484aa4c619d5c6c58cca601a4290ff5f8b8db0c2fce08d3e9e96d9071d3bcba8
[INFO] running `Command { std: "docker" "start" "-a" "484aa4c619d5c6c58cca601a4290ff5f8b8db0c2fce08d3e9e96d9071d3bcba8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling matrix_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "484aa4c619d5c6c58cca601a4290ff5f8b8db0c2fce08d3e9e96d9071d3bcba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484aa4c619d5c6c58cca601a4290ff5f8b8db0c2fce08d3e9e96d9071d3bcba8", kill_on_drop: false }`
[INFO] [stdout] 484aa4c619d5c6c58cca601a4290ff5f8b8db0c2fce08d3e9e96d9071d3bcba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 436bc3e784320d513c519dd8df108883404998f0ad71a0a6a146e588981f8b3e
[INFO] running `Command { std: "docker" "start" "-a" "436bc3e784320d513c519dd8df108883404998f0ad71a0a6a146e588981f8b3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix_solver-0026bf0cd615a94b)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/matrix_solver-91b1b4ed3e018bb9)
[INFO] running `Command { std: "docker" "inspect" "436bc3e784320d513c519dd8df108883404998f0ad71a0a6a146e588981f8b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436bc3e784320d513c519dd8df108883404998f0ad71a0a6a146e588981f8b3e", kill_on_drop: false }`
[INFO] [stdout] 436bc3e784320d513c519dd8df108883404998f0ad71a0a6a146e588981f8b3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb9b37f70b409d1c6e8d5064513832792cdb810e6c1e1e4c047030abc37a621c
[INFO] running `Command { std: "docker" "start" "-a" "eb9b37f70b409d1c6e8d5064513832792cdb810e6c1e1e4c047030abc37a621c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 18 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix_solver-0026bf0cd615a94b)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/matrix_solver-91b1b4ed3e018bb9)
[INFO] [stdout] test matrix::test::create_matrix ... ok
[INFO] [stdout] test fraction::test::truncate ... ok
[INFO] [stdout] test fraction::test::div ... ok
[INFO] [stdout] test fraction::test::add ... ok
[INFO] [stdout] test fraction::test::negate ... ok
[INFO] [stdout] test fraction::test::mul ... ok
[INFO] [stdout] test fraction::test::from_nom_denom_pair ... ok
[INFO] [stdout] test parser::test::fails ... ok
[INFO] [stdout] test row::test::mul ... ok
[INFO] [stdout] test matrix::test::optimize::leave_if_perfect ... ok
[INFO] [stdout] test matrix::test::optimize::switch_rows ... ok
[INFO] [stdout] test parser::test::simple ... ok
[INFO] [stdout] test row::test::index ... ok
[INFO] [stdout] test parser::test::complex ... ok
[INFO] [stdout] test matrix::test::get_next_matrix ... ok
[INFO] [stdout] test matrix::test::optimize::complex ... ok
[INFO] [stdout] test row::test::sub ... ok
[INFO] [stdout] test matrix::test::optimize::switch_cols ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matrix_solver
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/matrix.rs - matrix::matrix (line 337) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb9b37f70b409d1c6e8d5064513832792cdb810e6c1e1e4c047030abc37a621c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9b37f70b409d1c6e8d5064513832792cdb810e6c1e1e4c047030abc37a621c", kill_on_drop: false }`
[INFO] [stdout] eb9b37f70b409d1c6e8d5064513832792cdb810e6c1e1e4c047030abc37a621c