[INFO] fetching crate matrix_operations 0.1.5...
[INFO] testing matrix_operations-0.1.5 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate matrix_operations 0.1.5 into /workspace/builds/worker-1-tc2/source
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate matrix_operations 0.1.5 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6d68ddc113779c46a80433b34f67fc43dc122f533307ca1524c8a27127f42ba
[INFO] running `Command { std: "docker" "start" "-a" "b6d68ddc113779c46a80433b34f67fc43dc122f533307ca1524c8a27127f42ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6d68ddc113779c46a80433b34f67fc43dc122f533307ca1524c8a27127f42ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d68ddc113779c46a80433b34f67fc43dc122f533307ca1524c8a27127f42ba", kill_on_drop: false }`
[INFO] [stdout] b6d68ddc113779c46a80433b34f67fc43dc122f533307ca1524c8a27127f42ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3254e1286e7ccf35b5557aa6623a3dd524fb510ad4a228391f7ebf745d0a2a61
[INFO] running `Command { std: "docker" "start" "-a" "3254e1286e7ccf35b5557aa6623a3dd524fb510ad4a228391f7ebf745d0a2a61", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_operations v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "3254e1286e7ccf35b5557aa6623a3dd524fb510ad4a228391f7ebf745d0a2a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3254e1286e7ccf35b5557aa6623a3dd524fb510ad4a228391f7ebf745d0a2a61", kill_on_drop: false }`
[INFO] [stdout] 3254e1286e7ccf35b5557aa6623a3dd524fb510ad4a228391f7ebf745d0a2a61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93fbb0a8a8aafccab67be427269b5c70ed8d0234fb6d829c33b83e035d4f4edc
[INFO] running `Command { std: "docker" "start" "-a" "93fbb0a8a8aafccab67be427269b5c70ed8d0234fb6d829c33b83e035d4f4edc", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_operations v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "93fbb0a8a8aafccab67be427269b5c70ed8d0234fb6d829c33b83e035d4f4edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93fbb0a8a8aafccab67be427269b5c70ed8d0234fb6d829c33b83e035d4f4edc", kill_on_drop: false }`
[INFO] [stdout] 93fbb0a8a8aafccab67be427269b5c70ed8d0234fb6d829c33b83e035d4f4edc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50ab9f8a4533e6aa93ff95172f96853614700182fa416695200742142711a001
[INFO] running `Command { std: "docker" "start" "-a" "50ab9f8a4533e6aa93ff95172f96853614700182fa416695200742142711a001", 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/matrix_operations-ea959467c523db74)
[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_matrix (line 54) ... 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 141) ... 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>::add_scalar (line 33) ... 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::Matrix<T>::add (line 201) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::f64::add (line 498) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i64::add (line 431) ... 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>::sum (line 10) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::u16::add (line 277) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i128::add (line 453) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i16::add (line 387) ... 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 255) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_assign (line 123) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv (line 60) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::u32::add (line 299) ... 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::u64::add (line 321) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::u128::add (line 343) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv (line 42) ... ok
[INFO] [stdout] test src/csv.rs - csv::write_matrix_to_csv_with_headers (line 308) ... FAILED
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_excluding_columns (line 195) ... ok
[INFO] [stdout] test src/csv.rs - csv (line 15) ... FAILED
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add (line 219) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_columns (line 115) ... ok
[INFO] [stdout] test src/csv.rs - csv::write_matrix_to_csv_with_headers (line 322) ... ok
[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::f64::div (line 320) ... ok
[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_excluding_columns (line 214) ... ok
[INFO] [stdout] test src/csv.rs - csv::write_matrix_to_csv (line 271) ... FAILED
[INFO] [stdout] test src/div_impl.rs - div_impl::Matrix<T>::div (line 11) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u128::div (line 253) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::Matrix<T>::div_assign (line 55) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_columns (line 134) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u16::div (line 121) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i64::div (line 231) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u8::div (line 77) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_columns (line 98) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i32::div (line 187) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::f32::div (line 297) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u64::div (line 209) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i16::div (line 143) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column (line 834) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column (line 806) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i8::div (line 99) ... 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_from_vec (line 942) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column (line 820) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i128::div (line 275) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 18) ... 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_initialized (line 895) ... 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_column_from_vec (line 956) ... 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 1126) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row (line 1098) ... 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_columns_from_matrix (line 1005) ... 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_from_vec (line 1249) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::as_slice (line 551) ... 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 1235) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_initialized (line 1158) ... 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_type (line 1388) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row (line 1112) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::as_2d_vec (line 583) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::as_vec (line 567) ... 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>::add_row_initialized (line 1172) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_slice (line 424) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_2d_vec (line 505) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::fmt (line 270) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::eq (line 212) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_rows_from_matrix (line 1315) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_vec (line 466) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::fmt (line 303) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_slice (line 443) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_vec (line 485) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_2d_vec (line 523) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_column (line 623) ... 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 732) ... 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 664) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_columns (line 679) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 106) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_row (line 717) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index_mut (line 247) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_column (line 638) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 120) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_rows (line 780) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_rows (line 769) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 167) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 142) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::new (line 337) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::new (line 356) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 153) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::remove_column (line 1072) ... 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 1057) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::new_default (line 376) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::new_initialised (line 400) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::remove_row (line 1344) ... ok
[INFO] [stdout] test src/macro_matrix.rs - macro_matrix::matrix (line 22) ... ok
[INFO] [stdout] test src/macro_matrix.rs - macro_matrix::matrix (line 6) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::shape (line 607) ... 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>::mul (line 239) ... 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 142) ... 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_one_by_one (line 48) ... 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_assign (line 177) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::i128::mul (line 487) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::i8::mul (line 311) ... 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_scalar (line 10) ... 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 (line 267) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrices (line 73) ... ok
[INFO] [stdout] test src/operations.rs - operations (line 5) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::u16::mul (line 333) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::f32::mul (line 509) ... 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::i16::mul (line 355) ... 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::i64::mul (line 443) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::f64::mul (line 532) ... 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::u32::mul (line 377) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_scalar (line 233) ... 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_matrix_with_1col_matrix (line 202) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1col_matrix (line 168) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1row_matrix (line 103) ... 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 187) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_between_matrices (line 434) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrices (line 56) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix (line 256) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_rows (line 360) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_columns (line 323) ... 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::apply_between_matrices (line 415) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrices (line 506) ... ok
[INFO] [stdout] test src/operations.rs - operations::dot_matrices (line 766) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1col_matrix (line 600) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_with_param (line 279) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_columns (line 302) ... 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 487) ... 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_1row_matrix (line 568) ... ok
[INFO] [stdout] test src/operations.rs - operations::dot_matrices (line 746) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1col_matrix (line 619) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub (line 192) ... ok
[INFO] [stdout] test src/operations.rs - operations::div_matrix_with_scalar (line 464) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1row_matrix (line 554) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_assign (line 116) ... 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/sub_impl.rs - sub_impl::Matrix<T>::sub (line 174) ... 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_matrix (line 31) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_matrix (line 49) ... 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::f32::sub (line 382) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i128::sub (line 450) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub (line 159) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i32::sub (line 316) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::f64::sub (line 405) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i64::sub (line 360) ... 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::i8::sub (line 538) ... 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::Matrix<T>::sub_assign (line 98) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i16::sub (line 272) ... 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::isize::sub (line 494) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u64::sub (line 338) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u8::sub (line 516) ... 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::u32::sub (line 294) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u16::sub (line 250) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[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] 
[INFO] [stdout] thread 'main' panicked at src/csv.rs:11:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63939a0a2cc2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x63939a0a2cc2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x63939a0a2cc2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x63939a0a2cc2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x63939a0c1d93 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x63939a0c1d93 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x63939a0a09e3 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x63939a0a09e3 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x63939a0a2b12 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x63939a0a3b86 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x63939a0a3989 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x63939a0a4452 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x63939a0a42ea - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x63939a0a31b9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x63939a0a3f7d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x63939a0c0920 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x63939a0c0d36 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   17:     0x63939a081e2a - rust_out::main::_doctest_main_src_csv_rs_308_0::h21ce866ebb023b56
[INFO] [stdout]   18:     0x63939a081a36 - rust_out::main::h4293891446a396e5
[INFO] [stdout]   19:     0x63939a07fc83 - core::ops::function::FnOnce::call_once::h1b7f0f4a0fa90646
[INFO] [stdout]   20:     0x63939a07fbd6 - std::sys::backtrace::__rust_begin_short_backtrace::h93ddb45b5142a0f2
[INFO] [stdout]   21:     0x63939a07fb19 - std::rt::lang_start::{{closure}}::hc7952c01b1103b9a
[INFO] [stdout]   22:     0x63939a09e4c0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3929e8466919df6
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   23:     0x63939a09e4c0 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x63939a09e4c0 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x63939a09e4c0 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x63939a09e4c0 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x63939a09e4c0 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x63939a09e4c0 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x63939a09e4c0 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x63939a09e4c0 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x63939a07fb01 - std::rt::lang_start::hcc2a7507424cf42d
[INFO] [stdout]   32:     0x63939a081ec5 - main
[INFO] [stdout]   33:     0x7303d4e191ca - <unknown>
[INFO] [stdout]   34:     0x7303d4e1928b - __libc_start_main
[INFO] [stdout]   35:     0x63939a07dd55 - _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] 
[INFO] [stdout] thread 'main' panicked at src/csv.rs:17:69:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5bcc1bcb5332 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5bcc1bcb5332 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5bcc1bcb5332 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5bcc1bcb5332 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5bcc1bcd1313 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5bcc1bcd1313 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5bcc1bcb3053 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5bcc1bcb3053 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5bcc1bcb5182 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5bcc1bcb61f6 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5bcc1bcb5ff9 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x5bcc1bcb6ac2 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x5bcc1bcb695a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x5bcc1bcb5829 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x5bcc1bcb65ed - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x5bcc1bcd0600 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x5bcc1bcd0976 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   17:     0x5bcc1bc9442c - rust_out::main::_doctest_main_src_csv_rs_15_0::h94641bd0ab2064ac
[INFO] [stdout]   18:     0x5bcc1bc94066 - rust_out::main::h4293891446a396e5
[INFO] [stdout]   19:     0x5bcc1bc8fa53 - core::ops::function::FnOnce::call_once::h1b7f0f4a0fa90646
[INFO] [stdout]   20:     0x5bcc1bc8f206 - std::sys::backtrace::__rust_begin_short_backtrace::h93ddb45b5142a0f2
[INFO] [stdout]   21:     0x5bcc1bc8f149 - std::rt::lang_start::{{closure}}::hc7952c01b1103b9a
[INFO] [stdout]   22:     0x5bcc1bcb0ac0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3929e8466919df6
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   23:     0x5bcc1bcb0ac0 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x5bcc1bcb0ac0 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x5bcc1bcb0ac0 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5bcc1bcb0ac0 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5bcc1bcb0ac0 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5bcc1bcb0ac0 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5bcc1bcb0ac0 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5bcc1bcb0ac0 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5bcc1bc8f131 - std::rt::lang_start::hcc2a7507424cf42d
[INFO] [stdout]   32:     0x5bcc1bc944c5 - main
[INFO] [stdout]   33:     0x7403bbbbf1ca - <unknown>
[INFO] [stdout]   34:     0x7403bbbbf28b - __libc_start_main
[INFO] [stdout]   35:     0x5bcc1bc8b645 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[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] 
[INFO] [stdout] thread 'main' panicked at src/csv.rs:10:41:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5621b4287152 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5621b4287152 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5621b4287152 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5621b4287152 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5621b42a6223 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5621b42a6223 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5621b4284e73 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5621b4284e73 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5621b4286fa2 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5621b4288016 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5621b4287e19 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x5621b42888e2 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x5621b428877a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x5621b4287649 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x5621b428840d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x5621b42a4db0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x5621b42a51c6 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   17:     0x5621b42662b8 - rust_out::main::_doctest_main_src_csv_rs_271_0::h2c5f5f36011adcae
[INFO] [stdout]   18:     0x5621b4266016 - rust_out::main::h4293891446a396e5
[INFO] [stdout]   19:     0x5621b4264763 - core::ops::function::FnOnce::call_once::h1b7f0f4a0fa90646
[INFO] [stdout]   20:     0x5621b42646d6 - std::sys::backtrace::__rust_begin_short_backtrace::h93ddb45b5142a0f2
[INFO] [stdout]   21:     0x5621b4264619 - std::rt::lang_start::{{closure}}::hc7952c01b1103b9a
[INFO] [stdout]   22:     0x5621b4282950 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3929e8466919df6
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   23:     0x5621b4282950 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x5621b4282950 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x5621b4282950 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5621b4282950 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5621b4282950 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5621b4282950 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5621b4282950 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5621b4282950 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5621b4264601 - std::rt::lang_start::hcc2a7507424cf42d
[INFO] [stdout]   32:     0x5621b4266355 - main
[INFO] [stdout]   33:     0x720af98cb1ca - <unknown>
[INFO] [stdout]   34:     0x720af98cb28b - __libc_start_main
[INFO] [stdout]   35:     0x5621b42629b5 - _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] 
[INFO] [stdout] thread 'main' panicked at src/lib.rs:11:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5b91073d67f2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5b91073d67f2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5b91073d67f2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5b91073d67f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5b91073f2873 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5b91073f2873 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5b91073d4513 - std::io::default_write_fmt::h92ac9345fd53cc14
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5b91073d4513 - std::io::Write::write_fmt::h5ebaf381f8338068
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5b91073d6642 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5b91073d76b6 - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5b91073d74b9 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x5b91073d7f82 - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x5b91073d7e1a - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x5b91073d6ce9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   14:     0x5b91073d7aad - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x5b91073f1ac0 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x5b91073f1ed6 - core::result::unwrap_failed::hfbbd3c78a73fea3d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:1761:5
[INFO] [stdout]   17:     0x5b91073b5756 - rust_out::main::_doctest_main_src_lib_rs_49_0::h77285b9225773fa0
[INFO] [stdout]   18:     0x5b91073b5316 - rust_out::main::h4293891446a396e5
[INFO] [stdout]   19:     0x5b91073afb53 - core::ops::function::FnOnce::call_once::h1b7f0f4a0fa90646
[INFO] [stdout]   20:     0x5b91073aedc6 - std::sys::backtrace::__rust_begin_short_backtrace::h93ddb45b5142a0f2
[INFO] [stdout]   21:     0x5b91073aed09 - std::rt::lang_start::{{closure}}::hc7952c01b1103b9a
[INFO] [stdout]   22:     0x5b91073d1f80 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc3929e8466919df6
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:284:21
[INFO] [stdout]   23:     0x5b91073d1f80 - std::panicking::catch_unwind::do_call::hed30a66745299fca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x5b91073d1f80 - std::panicking::catch_unwind::hdfb0bc9563518507
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x5b91073d1f80 - std::panic::catch_unwind::hd0a1d748acfba573
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5b91073d1f80 - std::rt::lang_start_internal::{{closure}}::h0c1845f1b3064b93
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5b91073d1f80 - std::panicking::catch_unwind::do_call::h1114c52e864472d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5b91073d1f80 - std::panicking::catch_unwind::h91938c6665615bc7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5b91073d1f80 - std::panic::catch_unwind::h0c65d4211626564a
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5b91073d1f80 - std::rt::lang_start_internal::hc41e58da8618ff02
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5b91073aecf1 - std::rt::lang_start::hcc2a7507424cf42d
[INFO] [stdout]   32:     0x5b91073b5985 - main
[INFO] [stdout]   33:     0x79ee3d6561ca - <unknown>
[INFO] [stdout]   34:     0x79ee3d65628b - __libc_start_main
[INFO] [stdout]   35:     0x5b91073aae55 - _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 12.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "50ab9f8a4533e6aa93ff95172f96853614700182fa416695200742142711a001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ab9f8a4533e6aa93ff95172f96853614700182fa416695200742142711a001", kill_on_drop: false }`
[INFO] [stdout] 50ab9f8a4533e6aa93ff95172f96853614700182fa416695200742142711a001
