[INFO] cloning repository https://github.com/Higunio320/MatrixMultiplication
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Higunio320/MatrixMultiplication" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHigunio320%2FMatrixMultiplication", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHigunio320%2FMatrixMultiplication'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1928abf4215c7f72a8e8cbb8daf4f2d0f17bacf5
[INFO] testing Higunio320/MatrixMultiplication/1928abf4215c7f72a8e8cbb8daf4f2d0f17bacf5 against 1.83.0 for beta-1.84.0-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHigunio320%2FMatrixMultiplication" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Higunio320/MatrixMultiplication on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Higunio320/MatrixMultiplication
[INFO] finished tweaking git repo https://github.com/Higunio320/MatrixMultiplication
[INFO] tweaked toml for git repo https://github.com/Higunio320/MatrixMultiplication written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Higunio320/MatrixMultiplication 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.9.0-alpha.1
[INFO] [stderr]   Downloaded rand_chacha v0.9.0-alpha.1
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.0-alpha.6
[INFO] [stderr]   Downloaded rand v0.9.0-alpha.1
[INFO] [stderr]   Downloaded zerocopy v0.8.0-alpha.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19a4dde54d42b678a69f6814f21299ba038ccf454436c3d86931d93bd119dae7
[INFO] running `Command { std: "docker" "start" "-a" "19a4dde54d42b678a69f6814f21299ba038ccf454436c3d86931d93bd119dae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19a4dde54d42b678a69f6814f21299ba038ccf454436c3d86931d93bd119dae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a4dde54d42b678a69f6814f21299ba038ccf454436c3d86931d93bd119dae7", kill_on_drop: false }`
[INFO] [stdout] 19a4dde54d42b678a69f6814f21299ba038ccf454436c3d86931d93bd119dae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc816424d008abeaf1124b72ff35e060289b701e3bc6aabfcdd31306b35aaca9
[INFO] running `Command { std: "docker" "start" "-a" "fc816424d008abeaf1124b72ff35e060289b701e3bc6aabfcdd31306b35aaca9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling zerocopy v0.8.0-alpha.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.9.0-alpha.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0-alpha.1
[INFO] [stderr]    Compiling rand v0.9.0-alpha.1
[INFO] [stderr]    Compiling mm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `gen_random` is never used
[INFO] [stdout]   --> src/matrix.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Matrix<f32> {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn gen_random(rows: usize, columns: usize, min_val: f32, max_val: f32) -> Result<Matrix<f32>, String> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_vec` is never used
[INFO] [stdout]    --> src/matrix.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 92  | impl<T: FromStr> Matrix<T> {
[INFO] [stdout]     | -------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn from_vec(vector: Vec<&str>) -> Result<Matrix<T>, String> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "fc816424d008abeaf1124b72ff35e060289b701e3bc6aabfcdd31306b35aaca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc816424d008abeaf1124b72ff35e060289b701e3bc6aabfcdd31306b35aaca9", kill_on_drop: false }`
[INFO] [stdout] fc816424d008abeaf1124b72ff35e060289b701e3bc6aabfcdd31306b35aaca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35572fad78a8b7e36902afbe66c77fdca66a5a06abe4c823b42dfd7904763831
[INFO] running `Command { std: "docker" "start" "-a" "35572fad78a8b7e36902afbe66c77fdca66a5a06abe4c823b42dfd7904763831", kill_on_drop: false }`
[INFO] [stderr]    Compiling mm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "35572fad78a8b7e36902afbe66c77fdca66a5a06abe4c823b42dfd7904763831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35572fad78a8b7e36902afbe66c77fdca66a5a06abe4c823b42dfd7904763831", kill_on_drop: false }`
[INFO] [stdout] 35572fad78a8b7e36902afbe66c77fdca66a5a06abe4c823b42dfd7904763831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8c8c9b5edc813ef0bec63705ce984ac53858926dd3f461bc9c90b475d5cad46
[INFO] running `Command { std: "docker" "start" "-a" "f8c8c9b5edc813ef0bec63705ce984ac53858926dd3f461bc9c90b475d5cad46", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mm-a99c879f351477ad)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test matrix::matrix_test::gen_random_correct_matrix ... ok
[INFO] [stdout] test matrix::matrix_test::iter_read_correct_floats ... ok
[INFO] [stdout] test matrix::matrix_test::iter_read_blank ... ok
[INFO] [stdout] test matrix::matrix_test::iter_read_floats_as_ints ... ok
[INFO] [stdout] test matrix::matrix_test::iter_read_incorrect_columns_in_matrix_data ... ok
[INFO] [stdout] test matrix::matrix_test::iter_read_no_matrix ... ok
[INFO] [stdout] test matrix::matrix_test::iter_read_incorrect_rows_in_matrix_data ... ok
[INFO] [stdout] test matrix::matrix_test::iter_read_wrong_data_in_matrix_data ... ok
[INFO] [stdout] test matrix::matrix_test::iter_read_wrong_columns ... ok
[INFO] [stdout] test matrix::matrix_test::iter_read_correct_ints ... ok
[INFO] [stdout] test matrix::matrix_test::iter_read_no_columns ... ok
[INFO] [stdout] test matrix::matrix_test::iter_read_wrong_rows ... ok
[INFO] [stdout] test matrix::matrix_test::to_string_correct ... ok
[INFO] [stdout] test multiplication::test::multiplication_incorrect_matrix_dimensions ... ok
[INFO] [stdout] test multiplication::test::multiplication_incorrect_num_of_threads ... ok
[INFO] [stdout] test multiplication::test::multiplication_correct ... ok
[INFO] [stdout] test multiplication::test::parallel_multiplication_correct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f8c8c9b5edc813ef0bec63705ce984ac53858926dd3f461bc9c90b475d5cad46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c8c9b5edc813ef0bec63705ce984ac53858926dd3f461bc9c90b475d5cad46", kill_on_drop: false }`
[INFO] [stdout] f8c8c9b5edc813ef0bec63705ce984ac53858926dd3f461bc9c90b475d5cad46