[INFO] fetching crate matrix_operations 0.1.5...
[INFO] testing matrix_operations-0.1.5 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate matrix_operations 0.1.5 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate matrix_operations 0.1.5 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrix_operations 0.1.5
[INFO] finished tweaking crates.io crate matrix_operations 0.1.5
[INFO] tweaked toml for crates.io crate matrix_operations 0.1.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7121e5556dceda8c98d3c27d3db86a4d1edfda260a54d6a3f4bb9422b01c392
[INFO] running `Command { std: "docker" "start" "-a" "a7121e5556dceda8c98d3c27d3db86a4d1edfda260a54d6a3f4bb9422b01c392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7121e5556dceda8c98d3c27d3db86a4d1edfda260a54d6a3f4bb9422b01c392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7121e5556dceda8c98d3c27d3db86a4d1edfda260a54d6a3f4bb9422b01c392", kill_on_drop: false }`
[INFO] [stdout] a7121e5556dceda8c98d3c27d3db86a4d1edfda260a54d6a3f4bb9422b01c392
[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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8db3db5ec49028e794415a8f388f7087a7d19cd95d76f264531ea63288b9270
[INFO] running `Command { std: "docker" "start" "-a" "d8db3db5ec49028e794415a8f388f7087a7d19cd95d76f264531ea63288b9270", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_operations v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "d8db3db5ec49028e794415a8f388f7087a7d19cd95d76f264531ea63288b9270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8db3db5ec49028e794415a8f388f7087a7d19cd95d76f264531ea63288b9270", kill_on_drop: false }`
[INFO] [stdout] d8db3db5ec49028e794415a8f388f7087a7d19cd95d76f264531ea63288b9270
[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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93850cce10f2c2f1d213943da56812e5ed57ed121b2734594a253a2795dbdde5
[INFO] running `Command { std: "docker" "start" "-a" "93850cce10f2c2f1d213943da56812e5ed57ed121b2734594a253a2795dbdde5", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_operations v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "93850cce10f2c2f1d213943da56812e5ed57ed121b2734594a253a2795dbdde5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93850cce10f2c2f1d213943da56812e5ed57ed121b2734594a253a2795dbdde5", kill_on_drop: false }`
[INFO] [stdout] 93850cce10f2c2f1d213943da56812e5ed57ed121b2734594a253a2795dbdde5
[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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53c88fc4d21b7afd65ccfad10a3e2adb4896b7fbb6e05c8830452c4d8712ad79
[INFO] running `Command { std: "docker" "start" "-a" "53c88fc4d21b7afd65ccfad10a3e2adb4896b7fbb6e05c8830452c4d8712ad79", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix_operations-0fa778bc0392e7eb)
[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] [stderr]    Doc-tests matrix_operations
[INFO] [stdout] 
[INFO] [stdout] running 201 tests
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add (line 201) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_assign (line 141) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_matrix (line 72) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i128::add (line 453) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_matrix (line 54) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add (line 186) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_scalar (line 33) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add (line 219) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i16::add (line 387) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::f32::add (line 475) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::sum (line 10) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_assign (line 101) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add (line 170) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_assign (line 123) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add (line 255) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::f64::add (line 498) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i32::add (line 409) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i8::add (line 365) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::u32::add (line 299) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::u16::add (line 277) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::u64::add (line 321) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv (line 42) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_columns (line 115) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i64::add (line 431) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::u128::add (line 343) ... ok
[INFO] [stdout] test src/csv.rs - csv::write_matrix_to_csv (line 271) ... FAILED
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_excluding_columns (line 178) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_columns (line 134) ... ok
[INFO] [stdout] test src/csv.rs - csv (line 15) ... FAILED
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_excluding_columns (line 214) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv (line 60) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::Matrix<T>::div (line 11) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_columns (line 98) ... ok
[INFO] [stdout] test src/csv.rs - csv::write_matrix_to_csv_with_headers (line 322) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_excluding_columns (line 195) ... ok
[INFO] [stdout] test src/csv.rs - csv::write_matrix_to_csv_with_headers (line 308) ... FAILED
[INFO] [stdout] test src/div_impl.rs - div_impl::Matrix<T>::div_scalar (line 32) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::Matrix<T>::div_assign (line 55) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::f32::div (line 297) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::f64::div (line 320) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i16::div (line 143) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i64::div (line 231) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i32::div (line 187) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i128::div (line 275) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u128::div (line 253) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column (line 834) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u8::div (line 77) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column (line 820) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i8::div (line 99) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... FAILED
[INFO] [stdout] test src/div_impl.rs - div_impl::u16::div (line 121) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u64::div (line 209) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column_from_vec (line 956) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u32::div (line 165) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column (line 806) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column_from_vec (line 928) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column_initialized (line 895) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column_from_vec (line 942) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_columns_from_matrix (line 1021) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row (line 1126) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column_initialized (line 867) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_initialized (line 1186) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_from_vec (line 1249) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_columns_from_matrix (line 1005) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_columns_from_matrix (line 991) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column_initialized (line 881) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row (line 1112) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row (line 1098) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_from_vec (line 1220) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::as_slice (line 551) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_rows_from_matrix (line 1298) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_initialized (line 1172) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::as_vec (line 567) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_from_vec (line 1235) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::as_2d_vec (line 583) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_rows_from_matrix (line 1315) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::eq (line 212) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_initialized (line 1158) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::as_type (line 1388) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_rows_from_matrix (line 1282) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::clone (line 189) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::eq (line 224) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::fmt (line 270) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::fmt (line 303) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_vec (line 485) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_slice (line 424) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_vec (line 466) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_columns (line 664) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_2d_vec (line 523) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_columns (line 679) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_2d_vec (line 505) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_column (line 623) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_slice (line 443) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_row (line 732) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_rows (line 769) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_column (line 638) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_rows (line 780) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 106) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_rows (line 754) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_columns (line 690) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_row (line 717) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 153) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::new_initialised (line 400) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::new (line 337) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 120) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::new_default (line 376) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 142) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::new (line 356) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::remove_column (line 1057) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index_mut (line 247) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 167) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::remove_row (line 1344) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::shape (line 607) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::remove_row (line 1361) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::remove_column (line 1072) ... ok
[INFO] [stdout] test src/macro_matrix.rs - macro_matrix::matrix (line 6) ... ok
[INFO] [stdout] test src/macro_matrix.rs - macro_matrix::matrix (line 22) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul (line 204) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::dot_matrix (line 98) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::dot_matrix (line 79) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul (line 267) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_assign (line 121) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul (line 239) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_assign (line 177) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_one_by_one (line 30) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_assign (line 142) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul (line 221) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_assign (line 159) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::i128::mul (line 487) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_one_by_one (line 48) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::i32::mul (line 399) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_scalar (line 10) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::f64::mul (line 532) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::f32::mul (line 509) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::i64::mul (line 443) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::i16::mul (line 355) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::i8::mul (line 311) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::u32::mul (line 377) ... ok
[INFO] [stdout] test src/operations.rs - operations (line 5) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::u128::mul (line 465) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::u64::mul (line 421) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::u16::mul (line 333) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::u8::mul (line 289) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1col_matrix (line 202) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1row_matrix (line 136) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1row_matrix (line 121) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrices (line 73) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrices (line 56) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1col_matrix (line 187) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_rows (line 360) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1row_matrix (line 103) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix (line 256) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_columns (line 302) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_scalar (line 233) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_between_matrices (line 415) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_between_matrices (line 434) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1col_matrix (line 168) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_columns (line 323) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_with_param (line 279) ... ok
[INFO] [stdout] test src/operations.rs - operations::mul_matrix_with_scalar (line 690) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_rows (line 381) ... ok
[INFO] [stdout] test src/operations.rs - operations::div_matrix_with_scalar (line 464) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrices (line 487) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1row_matrix (line 554) ... ok
[INFO] [stdout] test src/operations.rs - operations::mul_one_by_one (line 713) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrices (line 506) ... ok
[INFO] [stdout] test src/operations.rs - operations::dot_matrices (line 746) ... ok
[INFO] [stdout] test src/operations.rs - operations::dot_matrices (line 766) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1row_matrix (line 568) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1col_matrix (line 619) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1col_matrix (line 634) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_scalar (line 667) ... ok
[INFO] [stdout] test src/operations.rs - operations::transpose_matrix (line 31) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1col_matrix (line 600) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub (line 159) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1row_matrix (line 536) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub (line 174) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_assign (line 76) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub (line 143) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::f32::sub (line 382) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub (line 192) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_assign (line 116) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_matrix (line 49) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_matrix (line 31) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub (line 228) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_assign (line 98) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::f64::sub (line 405) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_scalar (line 10) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i32::sub (line 316) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i16::sub (line 272) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i128::sub (line 450) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i64::sub (line 360) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::isize::sub (line 494) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i8::sub (line 538) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::usize::sub (line 472) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u128::sub (line 428) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u8::sub (line 516) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u32::sub (line 294) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u16::sub (line 250) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u64::sub (line 338) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/csv.rs - csv::write_matrix_to_csv (line 271) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/csv.rs:9:41
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556e86c0c75a - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x556e86c0c75a - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556e86c0c75a - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x556e86c0c75a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x556e86c2a70f - core::fmt::write::h78109e6f466b3af6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stdout]    5:     0x556e86c0a555 - std::io::Write::write_fmt::hc59e1b02dd273c8a
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stdout]    6:     0x556e86c0c525 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x556e86c0c525 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x556e86c0daae - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stdout]    9:     0x556e86c0d855 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:288:9
[INFO] [stdout]   10:     0x556e86c0e00e - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:691:13
[INFO] [stdout]   11:     0x556e86c0df09 - std::panicking::begin_panic_handler::{{closure}}::h91bc7f36a4be011b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:582:13
[INFO] [stdout]   12:     0x556e86c0cbc6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8b3d3717114f9e59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   13:     0x556e86c0dc62 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:578:5
[INFO] [stdout]   14:     0x556e86beff33 - core::panicking::panic_fmt::hfd368e3fbdabea26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:67:14
[INFO] [stdout]   15:     0x556e86bf0473 - core::result::unwrap_failed::he54eb4b2f125b26f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/result.rs:1687:5
[INFO] [stdout]   16:     0x556e86bf26ca - core::result::Result<T,E>::unwrap::h6e89a7a8b412d439
[INFO] [stdout]   17:     0x556e86bf3bc7 - rust_out::main::_doctest_main_src_csv_rs_271_0::h483e281d4f5504f0
[INFO] [stdout]   18:     0x556e86bf3a36 - rust_out::main::h2731449a68dfa004
[INFO] [stdout]   19:     0x556e86bf2183 - core::ops::function::FnOnce::call_once::hd1715aa1b26fc35c
[INFO] [stdout]   20:     0x556e86bf13c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8d2b4d09ce515535
[INFO] [stdout]   21:     0x556e86bf1e49 - std::rt::lang_start::{{closure}}::hc9a918c63b0dc835
[INFO] [stdout]   22:     0x556e86c0867e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2eb19b8ce4148df4
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:287:13
[INFO] [stdout]   23:     0x556e86c0867e - std::panicking::try::do_call::h2e900feff5d504c5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   24:     0x556e86c0867e - std::panicking::try::h8854836cb85aa9f2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   25:     0x556e86c0867e - std::panic::catch_unwind::h706025dd4c48f64b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   26:     0x556e86c0867e - std::rt::lang_start_internal::{{closure}}::h7be5b97f4a07a91a
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/rt.rs:148:48
[INFO] [stdout]   27:     0x556e86c0867e - std::panicking::try::do_call::h59847e9d0a176965
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   28:     0x556e86c0867e - std::panicking::try::h399a918ba8522823
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   29:     0x556e86c0867e - std::panic::catch_unwind::hca7ca6c55b2a2e26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   30:     0x556e86c0867e - std::rt::lang_start_internal::h2c807a81560459eb
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/rt.rs:148:20
[INFO] [stdout]   31:     0x556e86bf1e27 - std::rt::lang_start::hc4bd3329ce767e23
[INFO] [stdout]   32:     0x556e86bf3c05 - main
[INFO] [stdout]   33:     0x7ff37373bd90 - <unknown>
[INFO] [stdout]   34:     0x7ff37373be40 - __libc_start_main
[INFO] [stdout]   35:     0x556e86bf05b5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/csv.rs - csv (line 15) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/csv.rs:16:69
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564bb995c16a - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x564bb995c16a - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564bb995c16a - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x564bb995c16a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x564bb997691f - core::fmt::write::h78109e6f466b3af6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stdout]    5:     0x564bb9959f65 - std::io::Write::write_fmt::hc59e1b02dd273c8a
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stdout]    6:     0x564bb995bf35 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x564bb995bf35 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x564bb995d4be - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stdout]    9:     0x564bb995d265 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:288:9
[INFO] [stdout]   10:     0x564bb995da1e - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:691:13
[INFO] [stdout]   11:     0x564bb995d919 - std::panicking::begin_panic_handler::{{closure}}::h91bc7f36a4be011b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:582:13
[INFO] [stdout]   12:     0x564bb995c5d6 - std::sys_common::backtrace::__rust_end_short_backtrace::h8b3d3717114f9e59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   13:     0x564bb995d672 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:578:5
[INFO] [stdout]   14:     0x564bb9938fb3 - core::panicking::panic_fmt::hfd368e3fbdabea26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:67:14
[INFO] [stdout]   15:     0x564bb99393a3 - core::result::unwrap_failed::he54eb4b2f125b26f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/result.rs:1687:5
[INFO] [stdout]   16:     0x564bb993dc1a - core::result::Result<T,E>::unwrap::h6e89a7a8b412d439
[INFO] [stdout]   17:     0x564bb993fb78 - rust_out::main::_doctest_main_src_csv_rs_15_0::h5aee407f1ac651d8
[INFO] [stdout]   18:     0x564bb993f9b6 - rust_out::main::h2731449a68dfa004
[INFO] [stdout]   19:     0x564bb993ce13 - core::ops::function::FnOnce::call_once::hd1715aa1b26fc35c
[INFO] [stdout]   20:     0x564bb993b656 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8d2b4d09ce515535
[INFO] [stdout]   21:     0x564bb993c979 - std::rt::lang_start::{{closure}}::hc9a918c63b0dc835
[INFO] [stdout]   22:     0x564bb9957fde - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2eb19b8ce4148df4
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:287:13
[INFO] [stdout]   23:     0x564bb9957fde - std::panicking::try::do_call::h2e900feff5d504c5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   24:     0x564bb9957fde - std::panicking::try::h8854836cb85aa9f2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   25:     0x564bb9957fde - std::panic::catch_unwind::h706025dd4c48f64b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   26:     0x564bb9957fde - std::rt::lang_start_internal::{{closure}}::h7be5b97f4a07a91a
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/rt.rs:148:48
[INFO] [stdout]   27:     0x564bb9957fde - std::panicking::try::do_call::h59847e9d0a176965
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   28:     0x564bb9957fde - std::panicking::try::h399a918ba8522823
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   29:     0x564bb9957fde - std::panic::catch_unwind::hca7ca6c55b2a2e26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   30:     0x564bb9957fde - std::rt::lang_start_internal::h2c807a81560459eb
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/rt.rs:148:20
[INFO] [stdout]   31:     0x564bb993c957 - std::rt::lang_start::hc4bd3329ce767e23
[INFO] [stdout]   32:     0x564bb993fbc5 - main
[INFO] [stdout]   33:     0x7f343e7e3d90 - <unknown>
[INFO] [stdout]   34:     0x7f343e7e3e40 - __libc_start_main
[INFO] [stdout]   35:     0x564bb9939535 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/csv.rs - csv::write_matrix_to_csv_with_headers (line 308) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/csv.rs:10:63
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x564ef704912a - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x564ef704912a - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x564ef704912a - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x564ef704912a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x564ef70670df - core::fmt::write::h78109e6f466b3af6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stdout]    5:     0x564ef7046f25 - std::io::Write::write_fmt::hc59e1b02dd273c8a
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stdout]    6:     0x564ef7048ef5 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x564ef7048ef5 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x564ef704a47e - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stdout]    9:     0x564ef704a225 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:288:9
[INFO] [stdout]   10:     0x564ef704a9de - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:691:13
[INFO] [stdout]   11:     0x564ef704a8d9 - std::panicking::begin_panic_handler::{{closure}}::h91bc7f36a4be011b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:582:13
[INFO] [stdout]   12:     0x564ef7049596 - std::sys_common::backtrace::__rust_end_short_backtrace::h8b3d3717114f9e59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   13:     0x564ef704a632 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:578:5
[INFO] [stdout]   14:     0x564ef702bf33 - core::panicking::panic_fmt::hfd368e3fbdabea26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:67:14
[INFO] [stdout]   15:     0x564ef702c473 - core::result::unwrap_failed::he54eb4b2f125b26f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/result.rs:1687:5
[INFO] [stdout]   16:     0x564ef702e9ca - core::result::Result<T,E>::unwrap::h6e89a7a8b412d439
[INFO] [stdout]   17:     0x564ef7030456 - rust_out::main::_doctest_main_src_csv_rs_308_0::hea2d51dac1dc7920
[INFO] [stdout]   18:     0x564ef7030186 - rust_out::main::h2731449a68dfa004
[INFO] [stdout]   19:     0x564ef702e303 - core::ops::function::FnOnce::call_once::hd1715aa1b26fc35c
[INFO] [stdout]   20:     0x564ef702d506 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8d2b4d09ce515535
[INFO] [stdout]   21:     0x564ef702df89 - std::rt::lang_start::{{closure}}::hc9a918c63b0dc835
[INFO] [stdout]   22:     0x564ef704504e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2eb19b8ce4148df4
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:287:13
[INFO] [stdout]   23:     0x564ef704504e - std::panicking::try::do_call::h2e900feff5d504c5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   24:     0x564ef704504e - std::panicking::try::h8854836cb85aa9f2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   25:     0x564ef704504e - std::panic::catch_unwind::h706025dd4c48f64b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   26:     0x564ef704504e - std::rt::lang_start_internal::{{closure}}::h7be5b97f4a07a91a
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/rt.rs:148:48
[INFO] [stdout]   27:     0x564ef704504e - std::panicking::try::do_call::h59847e9d0a176965
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   28:     0x564ef704504e - std::panicking::try::h399a918ba8522823
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   29:     0x564ef704504e - std::panic::catch_unwind::hca7ca6c55b2a2e26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   30:     0x564ef704504e - std::rt::lang_start_internal::h2c807a81560459eb
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/rt.rs:148:20
[INFO] [stdout]   31:     0x564ef702df67 - std::rt::lang_start::hc4bd3329ce767e23
[INFO] [stdout]   32:     0x564ef7030495 - main
[INFO] [stdout]   33:     0x7f0b3af35d90 - <unknown>
[INFO] [stdout]   34:     0x7f0b3af35e40 - __libc_start_main
[INFO] [stdout]   35:     0x564ef702c5b5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 49) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/lib.rs:10:60
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55572118d80a - std::backtrace_rs::backtrace::libunwind::trace::h2f05d0192276a8f6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x55572118d80a - std::backtrace_rs::backtrace::trace_unsynchronized::hedc23dff7a1af150
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55572118d80a - std::sys_common::backtrace::_print_fmt::h17541ef7592f3ce2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x55572118d80a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20f75df5ab0c0792
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5557211a82ff - core::fmt::write::h78109e6f466b3af6
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/fmt/mod.rs:1254:17
[INFO] [stdout]    5:     0x55572118b605 - std::io::Write::write_fmt::hc59e1b02dd273c8a
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/io/mod.rs:1698:15
[INFO] [stdout]    6:     0x55572118d5d5 - std::sys_common::backtrace::_print::h8dac57a9f8fbf9a5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x55572118d5d5 - std::sys_common::backtrace::print::hf9ecbf41d1aa712f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x55572118eb5e - std::panicking::default_hook::{{closure}}::h04c07acfc84ca028
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:269:22
[INFO] [stdout]    9:     0x55572118e905 - std::panicking::default_hook::h01f6bb23e1eceb2c
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:288:9
[INFO] [stdout]   10:     0x55572118f0be - std::panicking::rust_panic_with_hook::h2bb3722bbaf2f6df
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:691:13
[INFO] [stdout]   11:     0x55572118efb9 - std::panicking::begin_panic_handler::{{closure}}::h91bc7f36a4be011b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:582:13
[INFO] [stdout]   12:     0x55572118dc76 - std::sys_common::backtrace::__rust_end_short_backtrace::h8b3d3717114f9e59
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   13:     0x55572118ed12 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:578:5
[INFO] [stdout]   14:     0x555721167fb3 - core::panicking::panic_fmt::hfd368e3fbdabea26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/panicking.rs:67:14
[INFO] [stdout]   15:     0x555721168493 - core::result::unwrap_failed::he54eb4b2f125b26f
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/result.rs:1687:5
[INFO] [stdout]   16:     0x55572116d5ca - core::result::Result<T,E>::unwrap::h6e89a7a8b412d439
[INFO] [stdout]   17:     0x5557211707da - rust_out::main::_doctest_main_src_lib_rs_49_0::hfa33107c09cf8f8b
[INFO] [stdout]   18:     0x555721170536 - rust_out::main::h2731449a68dfa004
[INFO] [stdout]   19:     0x55572116c393 - core::ops::function::FnOnce::call_once::hd1715aa1b26fc35c
[INFO] [stdout]   20:     0x55572116aaf6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8d2b4d09ce515535
[INFO] [stdout]   21:     0x55572116be19 - std::rt::lang_start::{{closure}}::hc9a918c63b0dc835
[INFO] [stdout]   22:     0x55572118967e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2eb19b8ce4148df4
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/core/src/ops/function.rs:287:13
[INFO] [stdout]   23:     0x55572118967e - std::panicking::try::do_call::h2e900feff5d504c5
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   24:     0x55572118967e - std::panicking::try::h8854836cb85aa9f2
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   25:     0x55572118967e - std::panic::catch_unwind::h706025dd4c48f64b
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   26:     0x55572118967e - std::rt::lang_start_internal::{{closure}}::h7be5b97f4a07a91a
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/rt.rs:148:48
[INFO] [stdout]   27:     0x55572118967e - std::panicking::try::do_call::h59847e9d0a176965
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:485:40
[INFO] [stdout]   28:     0x55572118967e - std::panicking::try::h399a918ba8522823
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panicking.rs:449:19
[INFO] [stdout]   29:     0x55572118967e - std::panic::catch_unwind::hca7ca6c55b2a2e26
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/panic.rs:140:14
[INFO] [stdout]   30:     0x55572118967e - std::rt::lang_start_internal::h2c807a81560459eb
[INFO] [stdout]                                at /rustc/1b7dd2252b99671ce5d1cb9664c5f8636329436d/library/std/src/rt.rs:148:20
[INFO] [stdout]   31:     0x55572116bdf7 - std::rt::lang_start::hc4bd3329ce767e23
[INFO] [stdout]   32:     0x555721170915 - main
[INFO] [stdout]   33:     0x7f35ea5f2d90 - <unknown>
[INFO] [stdout]   34:     0x7f35ea5f2e40 - __libc_start_main
[INFO] [stdout]   35:     0x555721168625 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/csv.rs - csv (line 15)
[INFO] [stdout]     src/csv.rs - csv::write_matrix_to_csv (line 271)
[INFO] [stdout]     src/csv.rs - csv::write_matrix_to_csv_with_headers (line 308)
[INFO] [stdout]     src/lib.rs - (line 49)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 197 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.95s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "53c88fc4d21b7afd65ccfad10a3e2adb4896b7fbb6e05c8830452c4d8712ad79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c88fc4d21b7afd65ccfad10a3e2adb4896b7fbb6e05c8830452c4d8712ad79", kill_on_drop: false }`
[INFO] [stdout] 53c88fc4d21b7afd65ccfad10a3e2adb4896b7fbb6e05c8830452c4d8712ad79
